Red Line MT-85 75W85 GL-4 Synthetic Gear Oil is a premium manual transmission lubricant engineered to improve shift quality and protect internal components. Formulated to provide the ideal coefficient of friction for synchronizers, this synthetic fluid eliminates "notchy" shifting even in cold temperatures. Unlike many standard gear oils, MT-85 is completely safe for brass synchronizers because it lacks the reactive sulfurs found in GL-5 oils that cause corrosion and premature wear.

This 75W85 formula satisfies the viscosity requirements for 85W gear oils as well as SAE 30 and 5W30 motor oils often specified for manual gearboxes. It is a direct solution for transmissions requiring Chrysler MS-9070 specifications or those used in heavy-duty NV4500 applications.

• Enhanced Shift Performance: Provides quicker, smoother engagement and consistent synchronizer friction.
• Component Protection: High-performance synthetic base provides superior gear protection and extended synchro life.
• Broad Compatibility: Recommended for GL-1, GL-3, and GL-4 applications, including special synchromesh fluid specifications.
• Brass-Safe Chemistry: Non-corrosive to yellow metals, ensuring the longevity of synchronizer rings.
• Common Fitments: Ideal for Nissan 350Z, 370Z, Maxima, Altima, Sentra; Mitsubishi Evolution; select Hyundai and Kia models; and Quaife manual transmissions.

Fits select Nissan 350Z/370Z, Mitsubishi Evolution, Hyundai, Kia, and NV4500 transmissions in Chevrolet and Dodge trucks.

Red Line MT-85 is a 75W85 GL-4 synthetic gear oil specifically engineered to improve synchronizer performance and protect manual transmissions. Formulated without the reactive sulfurs found in many GL-5 fluids, it is completely safe for yellow metals, preventing the corrosion of brass synchronizers while providing the exact coefficient of friction needed for smooth, rapid engagement. This fluid effectively eliminates notchy shifting and gear clash, even in cold temperatures.

• Satisfies gear oil viscosity requirements for 75W85 and 85W
• Matches motor oil viscosities for SAE 30 and 5W30 applications
• Meets API Service Class GL-1, GL-3, and GL-4 specifications
• Meets Chrysler specification MS-9070 for NV4500 transmissions
• Optimized for Quaife synchronizer manual transmission applications
• Advanced synthetic formula maintains film strength under high load
• Volume: 1 Quart

Red Line MT-90 75W90 GL-4 Gear Oil is a high-performance lubricant engineered for manual transmissions and transaxles in select Nissan, Mazda, Mitsubishi, VW, Audi, Lotus, and Toyota models, as well as Mendeola transmissions and Atlas transfer cases.

Designed specifically to improve shifting performance and component longevity, MT-90 provides the perfect coefficient of friction for synchronizer engagement. Unlike many GL-5 oils that contain reactive sulfurs, this GL-4 formula is completely safe for yellow metals, preventing the corrosion of brass synchronizers. Its synthetic stability eliminates notchy shifting and gear clashing even in cold climates, ensuring smooth transitions across a wide temperature range.

• Satisfies viscosity requirements for 75W90, 80W90, and 90 gear oils.
• Compatible with motor oil viscosities SAE 40, 10W40, and 15W40.
• Recommended for GL-1, GL-3, and GL-4 applications.
• Safe for brass synchros; lacks reactive sulfurs found in GL-5 oils.
• High-performance protection for gears and synchronizers.
• 5-gallon container for shop use or large fleet maintenance.

Red Line MT-90 75W90 GL-4 is a fully synthetic manual transmission lubricant designed to improve shift feel and provide superior synchronizer protection. Formulated specifically for units requiring a GL-4 fluid, MT-90 lacks the reactive sulfurs found in most GL-5 oils that can corrode brass and other yellow metal synchronizers. This makes it an ideal solution for eliminating notchy shifting and grinding, even during cold operation.

This high-performance gear oil is popular in manual transmissions for select Nissan, Mazda, Mitsubishi, VW/Audi, Lotus Elise/Exige, and Toyota vehicles, as well as Mendeola transmissions and Atlas transfer cases. It provides the correct coefficient of friction for smooth engagement while maintaining high-temperature stability under performance driving conditions.

• API Service Class: GL-4
• Viscosity Grade: SAE 75W90
• Viscosity Equivalency: Satisfies 75W90, 80W90, and 90 gear oil requirements
• Motor Oil Equivalency: Replaces SAE 40, 10W40, and 15W40 in transmission applications
• Safe for yellow metal synchronizers and brass bushings
• Improves shift speed and synchronizer life
• Size: 1 Gallon

Red Line MT-90 is a full-synthetic 75W90 GL-4 gear oil engineered specifically for manual transmissions and transaxles. It is a popular choice for select Nissan, Mazda, Mitsubishi, VW/Audi, Toyota, and Lotus Elise/Exige vehicles, as well as Mendeola transmissions and Atlas transfer cases. By providing the precise coefficient of friction needed for synchronizer engagement, MT-90 eliminates notchy shifting and improves gear change speed even in cold climates.

Unlike many GL-5 gear oils that contain reactive sulfur compounds, MT-90 is formulated to be completely safe for brass and yellow metal synchronizers. It satisfies the viscosity requirements for 75W90, 80W90, and 90 gear oils, and can be used in applications specifying SAE 40, 10W40, or 15W40 motor oil.

• Service Class: GL-4 (also recommended for GL-1 and GL-3 applications)
• Viscosity Grade: 75W90
• Safe for brass synchronizers; lacks reactive sulfurs that cause damage
• Improves shift feel and synchronizer life
• Replaces special synchromesh fluids in various manual gearboxes
• Container Size: 1 Quart

Red Line MTL 75W80 GL-4 is a full-synthetic manual transmission lubricant engineered to provide excellent protection and improved shift quality in a wide range of passenger cars and light trucks. This fluid features a specific coefficient of friction that allows for faster synchronizer engagement, eliminating notchy shifting even in cold weather. Unlike many GL-5 gear oils, MTL is formulated without reactive sulfurs, making it completely safe for brass and yellow metal synchronizers.

• Satisfies gear oil viscosity requirements for 75W and 80W, as well as motor oil viscosities of SAE 30, 10W30, and 5W30
• Recommended for GL-1, GL-3, and GL-4 applications and specialized synchromesh fluids
• Direct replacement for GM Synchromesh (9985648), Auto-Trak II (12378508), and Chrysler spec MS-9224
• Ideal for NV1500, NV3500, NV3550, and NV5600 truck transmissions found in Dodge and Jeep vehicles
• Commonly used in BMW, Honda/Acura, Ford Focus, late-model Mini Cooper, Mitsubishi, and Land Rover LT77S transmissions
• Manufacturer Part Number: 50205

Red Line MTL 75W80 GL-4 is a full-synthetic manual transmission and transaxle lubricant engineered to provide the correct coefficient of friction for rapid synchronizer engagement. By eliminating the notchy shifting often experienced in cold temperatures, this fluid ensures smoother gear transitions and extended synchro life across a wide range of operating temperatures.

Formulated specifically for manual transmissions, MTL is safe for use with brass and other yellow metal synchronizers, as it lacks the reactive sulfurs found in most GL-5 gear oils that lead to premature component wear. It is a highly compatible fluid that satisfies the gear oil viscosity requirements of 75W and 80W, as well as motor oil viscosities of SAE 30, 10W30, and 5W30.

• API Service Class: GL-4 (also recommended for GL-1 and GL-3 applications)
• Viscosity Grade: 75W80
• Compatible with select BMW, Honda/Acura, Ford Focus, and Mini Cooper manual transmissions
• Replaces GM Synchromesh, Auto-Trak II, and Chrysler spec MS-9224
• Ideal for Dodge and Jeep NV1500, NV3500, NV3550, and NV5600 truck transmissions
• Suitable for Land Rover/Range Rover LT77S applications
• Package Size: 1 Quart / 0.94 Liters
• Manufacturer Part Number: 50204

Popular in many late-model BMW, Dodge, Ford, GM, Jeep, Lexus, Mercedes-Benz, Ram, and Toyota vehicles, Red Line 75W85 GL-5 Gear Oil provides superior protection for differentials, final drives, and transfer cases. Formerly known as LightWeight Gear Oil, this synthetic lubricant is engineered for high-performance applications where a 75W85 viscosity is required.

This formula includes friction modifiers specifically for clutch-type limited-slip differentials (LSD), eliminating the need for additional additives in most setups. It is also a preferred choice for Formula racing transaxles, including the Hewland LD-200 and FTR sequential units.

• Satisfies viscosity requirements: SAE 75W80, 75W, 80W, and 85W
• Compatible motor oil viscosities: SAE 30, 10W30
• API Service Class: GL-5
• Container Size: 5 Gallon
• Features additional friction modifiers for clutch-type LSD compatibility

Note: This product is not designed for use in most manual transmissions or transaxles with synchronizers. The extreme slipperiness of this GL-5 formula may cause shifting problems by preventing synchronizer engagement.

Red Line 75W85 GL-5 Gear Oil is a fully synthetic lubricant engineered for modern high-load drivetrain components. Formerly known as LightWeight Gear Oil, this formula provides the necessary protection and thermal stability required for late-model differentials, final drives, and transfer cases. It is a popular choice for vehicles from BMW, Dodge, Ford, GM, Jeep, Lexus, Mercedes-Benz, Ram, and Toyota.

This gear oil is pre-blended with friction modifiers to ensure smooth operation in clutch-type limited-slip differentials (LSD), typically eliminating the need for additional additives. While ideal for high-pressure gear sets and racing transaxles like the Hewland LD-200 and FTR sequential, it is not intended for use in most manual transmissions or transaxles with synchronizers, as the friction coefficients may cause shifting issues.

• Viscosity Compatibility: Satisfies requirements for SAE 75W80, 75W, 80W, 85W, as well as SAE 30 and 10W30 motor oil.
• API Service Class: GL-5
• Volume: 1 Gallon (128 fl oz)
• Applications: Differentials, final drive units, and transfer cases.
• LSD Ready: Contains friction modifiers for clutch-type limited-slip units.

Red Line 75W85 GL-5 Gear Oil provides superior film strength and thermal stability for high-performance differentials, final drives, and transfer cases. Engineered with extreme-pressure additives, this lubricant satisfies the viscosity requirements of SAE 75W80, 75W, 80W, and 85W, as well as SAE 30 and 10W30 motor oil applications. It is formulated with friction modifiers to ensure proper operation of clutch-type limited-slip differentials (LSDs) without the need for additional additives.

Formerly known as Red Line LightWeight Gear Oil, this synthetic fluid is a popular choice for late-model vehicles from BMW, Dodge, Ford, GM, Jeep, Lexus, Mercedes-Benz, Ram, and Toyota. Its versatility extends to professional motorsport, where it is frequently used in Hewland LD-200 and FTR sequential transaxles. Note: Due to extreme slipperiness, this fluid is not intended for manual transmissions or transaxles equipped with synchronizers, as it may interfere with shift quality.

• Service Class: API GL-5
• Viscosity Grade: SAE 75W85
• Applications: Differentials, final drives, and transfer cases
• Compatibility: Contains friction modifiers for most clutch-type LSDs
• Race Proven: Popular in Formula racing transaxles (Hewland LD-200, FTR)

Red Line DCTF is a high-performance synthetic lubricant engineered to meet the extreme demands of modern dual-clutch transmissions. Designed for both wet- and dry-clutch systems, this fluid provides the shear stability and thermal resistance necessary to maintain precise shifting and long-term component health under high-stress conditions.

• Engineered for wet- and dry-style dual-clutch transmissions (DCT).
• Compatible with VW/Audi DSG, BMW DCT, Porsche PDK, and Ferrari systems.
• Maintains consistent frictional characteristics for smooth, synchronized shift quality.
• Provides superior protection for internal gears, synchronizers, and bearings.
• Fully compatible with other lubricants designed for dual-clutch applications.
• Sold in 1-quart containers.

Proper fluid maintenance is critical for DCT longevity; always refer to your vehicle manufacturer’s service manual for specific service intervals and capacity requirements.

Red Line D6 ATF is a shear-stable, full-synthetic lubricant engineered for modern transmissions requiring low-viscosity fluids. As Red Line's lowest viscosity ATF, this formulation offers superior thermal stability and consistent shift quality even under high-load conditions. It is specifically developed to maintain its viscosity and film strength in high-efficiency 6, 7, and 8-speed transmissions where precise line pressure and component protection are critical.

• Satisfies requirements for Dexron-VI, Mercon SP, Mercon LV, Honda DW-1, Toyota WS, Mercedes Benz NAG-2, and ZF-LG 6, 6+, and 8 fluids.
• Highly shear-stable formula ensures consistent operation and prevents viscosity breakdown over extended service intervals.
• Suitable for use in both automatic and manual transmissions where the listed specifications are required.
• Full-synthetic base stocks provide improved oxidation resistance and cold-weather flow compared to conventional fluids.
• Size: 1 Gallon (128 fl oz).

Red Line D6 ATF is a high-performance, full-synthetic transmission fluid engineered for modern transmissions requiring low-viscosity lubricants. As Red Line's most shear-stable ATF, it provides consistent shifting and component protection across a wide range of operating temperatures. This formulation is ideal for both automatic and select manual transmissions where specific low-viscosity fluids are required.

• Performance Standards: Designed to satisfy Dexron-VI, Mercon SP, Mercon LV, Honda DW-1, Toyota WS, Mercedes Benz NAG-2, ZF-LG 6, 6+, and 8 fluid specifications.
• Shear Stability: Red Line's most shear-stable ATF formulation for consistent operation over extended drain intervals.
• Low Viscosity: Engineered for reduced internal friction and improved fuel efficiency in modern gearboxes.
• Application: Suitable for use in automatic and manual transmissions calling for the listed fluid standards.
• Volume: 1 Quart (32 fl oz).

Red Line C+ ATF is a fully synthetic automatic transmission fluid engineered specifically to satisfy Chrysler ATF+, +2, +3 (Type 7176), and ATF+4 (Type 9602) requirements. This high-performance lubricant is designed to provide the specific frictional characteristics necessary for proper torque converter lock-up and smooth shifting in Chrysler, Dodge, and Jeep transmissions.

Compared to standard petroleum-based fluids, Red Line C+ ATF provides 30% greater operating viscosity and significantly improved thermal stability. With only one-third the evaporation of Chrysler-style petroleum ATFs, it maintains its protective properties longer, even under heavy towing or high-heat conditions.

• Satisfies Chrysler ATF+, +2, +3 (Type 7176), and ATF+4 (Type 9602) requirements
• Provides 30% greater operating viscosity than petroleum-based Chrysler ATFs
• Reduces evaporation to 1/3 that of petroleum fluids for improved longevity
• Synthetic formula offers superior thermal stability and oxidation resistance
• Container Size: 1 Gallon

Red Line Synthetic C+ ATF is a high-performance transmission fluid engineered specifically for Chrysler-style applications. This fully-synthetic formula provides 30% greater operating viscosity than traditional petroleum-based fluids, maintaining a more consistent film strength under heavy load and high-temperature conditions.

By reducing evaporation to just one-third that of conventional petroleum ATFs, this fluid minimizes deposit formation and maintains its chemical integrity over longer service intervals. It is designed to satisfy the specific frictional requirements of Chrysler automatic transmissions, ensuring smooth shifting and optimal torque converter lock-up performance.

• Satisfies Chrysler ATF+, +2, +3 (Type 7176) and ATF+4 (Type 9602) requirements
• Provides 30% greater operating viscosity than petroleum-based equivalents
• Reduces evaporation by 1/3 compared to standard Chrysler petroleum ATFs
• Improved thermal stability and oxidation resistance
• Container Size: 1 Quart

Red Line D4 ATF is a versatile full-synthetic fluid engineered for use where Dexron III, Dexron II, Mercon, and Mercon V fluids are recommended. Designed to handle the high-shear environment of modern automatic transmissions, it also provides the GL-4 level of gear protection required for many manual transmissions and transaxles, including T-5, T-45, T-56, and late-model BMW units.

• Replaces Toyota Type T-III/T-IV, Honda ATF-Z1, Nissan Matic D/J/K, and Mazda ATF M-V fluids.
• Suitable for use in power steering systems requiring ATF.
• Superior low-temperature flow characteristics for smoother shifting in cold weather.
• Synthetic base stocks provide high thermal stability and resistance to oxidation.
• Maintains consistent viscosity under heavy loads and high operating temperatures.

Red Line Synthetic D4 ATF is a highly versatile fluid engineered for use in automatic transmissions, manual gearboxes, and power steering systems. It provides the GL-4 level of gear protection required for many manual transmissions and transaxles, including the T-5, T-45, and T-56, as well as late-model BMW applications. Designed for superior shear stability and excellent cold-weather operation, D4 ATF ensures consistent shift quality and protection across a wide temperature range.

• Fluid Specifications: Suitable for use where Dexron III, Dexron II, Mercon, or Mercon V fluids are recommended.
• Manual Transmission Support: Provides GL-4 gear protection for manual gearboxes like the Borg-Warner T-5, T-45, and T-56.
• OEM Compatibility: Suitable for Toyota Type T-III and T-IV, Honda ATF-Z1, Nissan Matic D, J, and K, Diamond SP-II and SP-III, and Mazda ATF M-V.
• Broad Application: Fits most BMW and Audi/VW automatic transmissions requiring a high-performance synthetic fluid.
• Cold Weather Performance: Maintains low-temperature flow for improved shifting in freezing climates.
• Quantity: 1 Quart (946 mL).

Red Line Lightweight Racing ATF is engineered for superior consistency and wear protection in high-performance drag racing applications. This fluid is specifically formulated for Bracket and Heads-Up racing transmissions, providing the thermal stability needed for consistent performance pass after pass.

Designed to dissipate heat rapidly, this fluid extends the service life of clutches, gears, and seals in demanding environments. Its low-viscosity formula reduces internal frictional drag, which translates to quicker ETs and higher trap speeds. It serves as a high-performance alternative to hydraulic oils and other non-ATF fluids often used to manage heat, offering far superior film strength and extreme-pressure (EP) protection.

• Optimized for Powerglide and Turbo 400 transmissions
• Reduces internal friction for improved ET and MPH
• Enhanced heat dissipation protects clutches and seals
• Extreme-pressure protection maintains film strength under high-load racing conditions
• Compatible with petroleum and other synthetic ATFs
• Ideal for turbo and blown doorslammers in NMRA, NMCA, ORSCA, and PSCA classes
• Container Size: 1 Gallon

Red Line Racing ATF is engineered for high-performance applications requiring a Type F style fluid without friction modifiers. This synthetic fluid is designed to handle the extreme loads of racing, utilizing advanced extreme-pressure additives that provide five times the film strength of conventional petroleum-based ATFs. By omitting friction modifiers, this fluid facilitates faster shifts and quicker torque converter lock-up while maintaining superior efficiency at high operating temperatures.

• Similar to Type F fluid with higher viscosity and no friction modifiers
• Delivers 5x better film strength than petroleum ATFs for maximum component protection
• Produces faster shifts and quicker lock-up for improved track performance
• Reduces clutch and gear wear under extreme pressure and high-heat conditions
• Optimizes converter efficiency at elevated temperatures

Red Line High-Temp ATF is engineered for heavily-loaded vehicles that face extreme thermal stress. This synthetic fluid allows for reliable operation at temperatures up to 70°F higher than traditional automatic transmission fluids while maintaining a thicker, more stable viscosity to protect internal components from wear.

• Provides significantly higher thermal stability than standard ATFs
• Resists evaporation and prevents varnish buildup on valves and clutches in high-heat conditions
• Maintains film strength and viscosity under heavy towing or racing loads
• Replaces Dexron II®, Dexron III®, and Mercon® fluids
• Suitable for applications requiring GL-4 gear oil
• Manufacturer Part Number: 30204

OS Giken 80W-250 gear oil is a high-viscosity synthetic lubricant specifically engineered for high-load drivetrains and mechanical limited-slip differentials (LSD). This specialized formula provides an exceptionally strong oil film that maintains its integrity under the extreme pressures and temperatures encountered in competitive racing and heavy-duty track use.

This fluid is designed to optimize the performance of clutch-type differentials, ensuring smooth plate engagement while significantly reducing mechanical chatter. By minimizing friction and heat buildup, it helps extend the service life of internal components and ensures consistent torque transfer across the axles.

• Viscosity Grade: 80W-250
• Volume: 1 Liter
• Composition: Full Synthetic
• Application: Mechanical LSDs and high-load manual transmissions
• Optimized for thermal stability and shear resistance

Fits select 2008-2024 Acura, Alfa Romeo, BMW, and Cadillac models.

Motul Motylgear 75W85 is a Technosynthese lubricant engineered for mechanical transmissions, including synchronized or non-synchronized gearboxes, gearbox/differentials, and transfer cases without limited-slip systems. This extreme-pressure lubricant is reinforced with synthetic base stocks to provide superior anti-wear protection and thermal stability, whether operating under heavy shock loads at low speeds or moderate loads at high revolutions.

The 75W85 viscosity grade is specifically formulated to reduce gearbox drag and improve efficiency while guaranteeing high-level protection for gear sets. Its high fluidity at low temperatures ensures smooth, effortless gear changes during cold starts, significantly reducing the force required at the shift lever. This formula is fully compatible with all seal types and yellow metals (such as brass synchronizers) used in modern gearbox designs.

• Grade: 75W85
• Standards: API GL-4 / GL-5, MIL-L-2105D
• Volume: 1 Liter (1.05 US Quart)
• Base: Technosynthese (Semi-Synthetic)
• Properties: Anti-wear, anti-corrosion, and anti-foam reinforced
• Application: Manual transmissions and differentials without LSD

Fits select 2002-2021 Honda Insight, Mini Cooper, and Nissan Versa models.

Motul Multi CVTF is a high-performance Technosynthese lubricant specifically engineered for a wide range of vehicles equipped with Continuously Variable Transmissions (CVT). This versatile fluid is formulated for both chain-driven and belt-driven pulley designs, providing the critical metal-to-metal friction required for efficient torque transfer and improved fuel economy.

Designed to handle the demands of modern, compact, and heavily loaded gearboxes, this 100% synthetic-based fluid offers superior shear stability and oxidation resistance. It maintains consistent viscosity even at high operating temperatures, extending the service life of internal components. Motul Multi CVTF also features high anti-shudder performance to minimize engine vibrations and provide a smoother, more responsive shift feel with reduced time lag.

• Compatible with both belt/pulley and chain/pulley CVT systems.
• Optimized metal-to-metal friction for maximum power transfer and fuel efficiency.
• Advanced anti-shudder performance for increased driving comfort.
• High shear stability and oxidation resistance for extended fluid life.
• Formulated with anti-corrosion and anti-foam additives.
• Superior wear protection for belts, chains, and pulleys.
• Manufacturer Part Number: Multi CVTF
• Volume: 1 Liter

Fits select 1986-2023 Acura, AM General, Aston Martin, Audi, Bentley, and BMW models.

Motul Multi ATF is a 100% synthetic high-performance lubricant specifically engineered for most modern automatic transmissions. This advanced formulation is designed to meet the demands of manual mode, sequential mode, and electronically controlled gearboxes, providing consistent performance for systems with or without slip lockup clutches.

By utilizing a 100% synthetic base, this fluid maintains its viscosity and protective properties under high-temperature and high-load conditions. It ensures smooth gear transitions, reduces friction, and provides the shear stability required for the tight tolerances of modern transmission internals.

• Product Line: Multi ATF
• Fluid Type: 100% Synthetic
• Volume: 1 Liter (1.05 US Quart)
• Compatibility: Engineered for modern automatic transmissions including sequential and manual-mode versions
• Key Features: Optimizes slip lockup clutch performance and provides superior wear protection

Fits select 1980-2021 BMW, Cadillac, Chevrolet, Chrysler, and Dodge vehicles.

Motul GEAR FF COMP 75W140 is a 100% synthetic extreme pressure lubricant engineered for high-performance mechanical transmissions and differentials. Utilizing Ester-Technology, this oil is specifically formulated for hypoid differentials with limited slip systems (LSD), gearboxes with integrated LSD, and transfer cases operating under severe shock loads or heavy mechanical stress.

• Unshearable Oil Film: Ensures 0% shear loss, maintaining a consistent lubricating barrier even in extreme racing or high-load conditions.
• High Temperature Stability: The 140 viscosity grade provides outstanding film resistance at high temperatures to prevent metal-to-metal contact and reduce transmission noise.
• Reduced Friction: Decreases internal friction and wear, significantly lowering the effort required to switch gears during cold starts.
• Broad Compatibility: Safe for all types of seals and yellow materials (brass/bronze) used in modern and classic gearbox designs.

Technical Specifications: 75W140 Viscosity, 100% Synthetic Ester-Technology, Part Number: GEAR FF COMP.

Fits select 1989-2024 Alfa Romeo, Aston Martin, and Audi models (V6, V8, V10, V12, and L4 engines).

Motul Gear 300 LS is a 100% synthetic extreme pressure lubricant engineered for high-performance and racing vehicles. Specifically formulated for gearboxes and rear axles, this 75W90 fluid is ideal for synchronized or non-synchronized manual transmissions, differentials, and transfer cases operating under severe conditions. Whether facing high-speed shock loads or low-speed heavy torque, this lubricant maintains an unshearable oil film for maximum drivetrain protection.

• Superior Protection: 0% shear loss ensures a stable oil film in extreme racing conditions.
• Enhanced Shifting: High lubricating power reduces friction and improves gear engagement, even during cold starts.
• Thermal Stability: 90-weight viscosity provides outstanding oil film resistance at high temperatures to reduce transmission noise.
• Compatibility: Safe for all seal types and yellow metals (brass/bronze) used in gearbox designs.
• Standards: Meets API GL-4 and GL-5 / MIL-L-2105D specifications.
• Part Number: Gear 300 LS 75W90

Fits select 1982-2018 Acura, Alfa Romeo, Aston Martin, Audi, and Bentley models. Motul Gear 300 75W-90 is a 100% synthetic lubricant engineered specifically for high-performance and racing vehicles. Using an ester-based formula, this gear oil is designed for manual transmissions (synchronized or non-synchronized), differentials, and transfer gearboxes without limited slip systems. It is formulated to withstand heavy shock loads, high temperatures, and extreme pressure while providing superior anti-wear protection.

• Performance Standards: Meets API GL-4 and GL-5 specifications.
• Shear Stability: 0% shear loss ensures a stable, unshearable oil film even under racing conditions.
• Cold Start Efficiency: High lubricating power reduces friction and lowers gear lever effort during cold operation.
• Compatibility: Safe for all seal types and yellow metals (brass/bronze) typically found in gearbox internals.
• Operating Range: Optimized for both high revolution speeds at moderate loads and low revolution speeds under heavy loads.
• Volume: 1 Liter (1.05 US Quart) bottle.