Fits select 1989-1996 Nissan 300ZX and Maxima (3.0L).

Maintain optimal operating temperatures with this Koyo replacement radiator, engineered specifically for 3.0L non-turbo engines paired with a manual transmission. This unit is designed to provide efficient heat dissipation, replacing worn or leaking OE radiators to ensure your cooling system can handle the thermal demands of both daily driving and spirited use.

• Direct Replacement: Designed to fit factory mounting points and hose locations.
• Transmission Compatibility: Specially for Manual Transmission (MT) models.
• Application: Specifically for Non-Turbo (Naturally Aspirated) configurations.
• Full Fitment: 1990-1996 Nissan 300ZX (Base and 2+2) and 1989-1994 Nissan Maxima (GXE and SE).
• Manufacturer Part Number: VH020241

Fits 1971-1974 Toyota Corolla Base (1.6L) models equipped with manual transmissions.

This Koyo radiator is engineered to provide efficient thermal management for classic 1970s Corolla applications. As a direct-fit replacement for the TE27, TE28, and TS21 chassis, it ensures the 1.6L engine maintains proper operating temperatures. Every unit is manufactured to precise tolerances to replace a worn or leaking factory radiator, restoring the cooling system's integrity and reliability.

• Direct-fit replacement for manual transmission 1971-1974 Toyota Corolla
• Engineered specifically for the TE27, TE28, and TS21 chassis
• Designed to meet or exceed cooling requirements for the 1.6L engine
• Durable construction for long-term service life
• Manufacturer Part Number: VH012825

Fits 2013-2020 Scion FR-S, 2013-2024 Subaru BRZ, and 2022-2024 Toyota GR86 (2.0L / 2.4L).

This Koyo replacement radiator (VH012664N) is engineered to maintain optimal operating temperatures for the ZN6/ZC6 and ZN8/ZD8 platforms. Designed for a precise fit, it serves as a direct replacement for the factory unit, accommodating both manual and automatic transmission (MT/AT) configurations. Whether you are addressing a leaking OE core or performing routine cooling system maintenance, this radiator provides the reliability required for the high-revving FA20 and FA24 boxer engines.

• Manufacturer Part Number: VH012664N
• Fitment: 2013-2024 BRZ/FR-S/GR86 chassis
• Engine Compatibility: 2.0L and 2.4L variants
• Transmission: Compatible with both MT and AT models
• Construction: Built to meet or exceed OE cooling specifications for consistent thermal management

Fits 2010-2020 Toyota 4Runner (4.0L).

Protect your engine from overheating during demanding trail sessions with the Koyorad VH012493 aluminum radiator. Engineered specifically for the 5th Gen 4Runner, this radiator replaces the factory unit with a robust, all-aluminum design built to withstand the vibration and thermal stress of off-road environments.

• Fully TIG-welded construction for superior strength and leak resistance
• High-density core designed to maximize heat dissipation over the OE unit
• Designed to utilize factory mounting points and cooling fan shrouds
• Manufacturer Part Number: VH012493

Note: This product is designed and intended for off-road use only.

Fits 2003-2009 Toyota 4Runner and Lexus GX470 (4.7L).

The Koyorad VH011703N is an all-aluminum radiator engineered to handle the increased thermal demands of the 4.7L V8 engine in demanding environments. By replacing the standard factory unit featuring plastic tanks with a fully TIG-welded aluminum construction, this radiator offers significantly improved heat dissipation and long-term structural integrity. This high-performance core is designed for maximum cooling efficiency during heavy-duty cycles, ensuring your cooling system remains reliable when it matters most.

• High-grade aluminum core and tanks for superior heat transfer and durability.
• Precision TIG-welded construction eliminates the common failure points of OE plastic tanks.
• Direct fitment for the 4.7L V8 powertrain configurations.
• Intended for off-road use only.
• Manufacturer Part Number: VH011703N.

Fits 2001-2005 Lexus IS300 models equipped with manual transmissions.

The Koyorad Racing Radiator (VH010934N) is engineered to provide superior cooling for enthusiasts who push their IS300 beyond the limits of the factory hardware. This unit replaces the standard plastic-tank radiator with a robust, all-aluminum construction designed to handle the thermal loads of spirited driving and track use. By utilizing precision TIG-welded seams and high-quality brazing, Koyorad ensures a durable and reliable cooling solution that fits within the factory mounting points of manual transmission models.

• Direct fitment for 2001-2005 Lexus IS300 (Manual Transmission only)
• High-performance all-aluminum construction for improved heat dissipation
• Precision TIG-welded tanks for maximum durability under pressure
• Engineered to replace worn or failing OE radiators
• Manufacturer Part Number: VH010934N

Fits 2000-2005 Toyota MR2 Spyder Base (1.8L).

The Koyo VH010929 all-aluminum radiator is a critical cooling system upgrade for the manual transmission MR2 Spyder. While factory radiators rely on plastic end tanks that become brittle and prone to cracking with age and heat cycles, Koyo utilizes full aluminum construction and precision TIG welding to ensure long-term durability and increased thermal capacity.

Designed as a direct-fit replacement, this radiator maintains factory mounting points for a straightforward installation while providing the improved heat dissipation necessary for spirited driving or track environments. The all-aluminum design offers superior pressure resistance and cooling efficiency compared to standard OE units.

• Direct replacement for factory radiator utilizing OE mounting points
• Full all-aluminum construction for improved heat dissipation and durability
• Precision TIG-welded end tanks for superior leak resistance
• Specifically engineered for manual transmission (MT) applications
• Manufacturer Part Number: VH010929

Designed specifically for the thermal demands of a 3SGE BEAMS 2.0L engine swap, this Koyo manual radiator (VH010681) provides the cooling efficiency required for the 1985-1987 Toyota Corolla chassis. This radiator is engineered to solve the packaging and cooling challenges inherent in swapping this high-revving powerplant into the RWD Corolla platform.

• Fits 1985-1987 Toyota Corolla models with 3SGE BEAMS 2.0L engine swap and manual transmission
• Optimized core design for high-performance heat dissipation
• Retains essential cooling capacity for track and spirited driving
• Direct fitment for the manual transmission RWD chassis configuration
• Manufacturer Part Number: VH010681

Fits 1996-2002 Toyota 4Runner Base, Limited, and SR5 models (2.7L / 3.4L) equipped with a 5-speed manual transmission.

The Koyo N-FLO Triple Pass radiator (VH010665N) is a high-performance cooling solution engineered for the 3rd Generation 4Runner. Unlike standard single-pass designs, the N-FLO technology directs coolant through the core three times, significantly increasing heat dissipation efficiency. This is a critical upgrade for vehicles subjected to towing, heavy off-roading, or engine-intensive modifications where maintaining stable operating temperatures is vital.

• N-FLO Triple Pass Technology: Maximizes cooling surface contact for superior thermal management.
• Manual Transmission Only: Specifically designed for 5MT models; does not include an internal transmission oil cooler.
• Material: All-aluminum construction with precision TIG-welded tanks for durability under pressure.
• Cap Requirement: Requires Koyo radiator cap PN SK-C13 (the factory Toyota OEM cap is not compatible).
• Installation: Designed to bolt into factory mounting points for a direct-fit replacement.

Note: Verify fitment for 1996-2001 Base and 1996-2002 SR5/Limited models with 2.7L or 3.4L engines and manual transmissions only.

Fits 1995-2004 Toyota Tacoma (Base, DLX, Limited, Pre Runner, S-Runner, and SR5) equipped with the V6 engine.

The Koyorad VH010513 is a precision-engineered cooling solution designed as a direct fit for manual transmission 1995-2004 Toyota Tacoma V6 4x4 and Pre Runner models. This radiator is built to exacting tolerances to ensure reliable thermal management under demanding conditions. Please note that this unit requires a Koyorad SK-C13 or equivalent "mini style" radiator cap, as the factory OEM cap is not compatible with this housing.

• Manufacturer Part Number: VH010513
• Engineered for V6-powered manual transmission models
• Direct-fit replacement for factory mounting points
• Compatible with 4x4 and Pre Runner configurations
• Note: Use with Koyorad SK-C13 or equivalent mini style cap
• Note: Automatic transmission models require a mandatory external oil cooler (not included)

Fits 1989-1992 Toyota Cressida Luxury models (3.0L). This Koyo N-FLO Triple Pass performance radiator is engineered to optimize heat dissipation for manual transmission applications. The N-FLO design utilizes internal baffles to route coolant through the radiator core three times rather than once, significantly increasing cooling efficiency by extending the time coolant spends in the airflow.

As a dedicated manual transmission component, this unit does not include an internal transmission fluid cooler (Manual Only). It is designed to meet or exceed OE cooling standards, providing a precise fit for the 1989-1992 Cressida chassis.

• Manufacturer Part Number: VH010195N
• Series: N-FLO Triple Pass
• Transmission: Manual Transmission Only
• Engine Compatibility: 3.0L I6
• Construction: High-efficiency aluminum core

Fits 2007-2009 Nissan 350Z (Base, Enthusiast, Grand Touring, Nismo, and Touring) equipped with the VQ35HR engine and manual transmission.

Maintain optimal operating temperatures with this Koyo replacement radiator (MPN: V2999). Specifically engineered for the dual-intake VQ35HR engine variant found in the later Z33 chassis, this radiator serves as a direct-fit cooling solution for manual transmission (MT) models. Built to meet strict cooling requirements, it replaces worn or leaking factory units to ensure reliable heat dissipation during daily driving or high-load conditions.

• Manufacturer Part Number: V2999
• Transmission: Manual Transmission (MT)
• Engine: VQ35HR (3.5L V6)
• Configuration: Direct-fit factory replacement

Confirmed Fitment:

• 2007-2008 Nissan 350Z Base
• 2007-2009 Nissan 350Z Enthusiast
• 2007-2009 Nissan 350Z Grand Touring
• 2007-2008 Nissan 350Z Nismo
• 2007-2009 Nissan 350Z Touring

Fits 2008-2015 Mitsubishi Lancer models, including Evolution X (GSR, MR, SE, Final Edition), Ralliart, and DE/ES/GT/GTS trims.

This Koyo performance radiator is engineered as a direct replacement for the cooling systems in the Mitsubishi Evolution X and Ralliart platforms. Designed to handle the high thermal demands of turbocharged engines, this unit is compatible with both manual (MT) and automatic (AT) transmission configurations. Whether you are maintaining a daily driver or preparing for track use, this radiator provides the reliability and fitment expected from a precision cooling component.

• Manufacturer Part Number: V2979
• Compatible with both Automatic (AT) and Manual (MT) transmissions
• Direct fitment to factory mounting points
• Specifically designed for 4B11T turbocharged Lancer models and naturally aspirated trims
• High-grade construction for improved heat dissipation

Fits 2004-2008 Mazda RX-8 (1.3L) models equipped with manual transmissions.

The Koyorad V-Series Racing All Aluminum Radiator (V2695) is a high-performance cooling solution engineered for the unique thermal demands of the rotary engine. This radiator features a robust, all-aluminum construction that replaces the failure-prone plastic tanks of the factory unit. Designed for both street and track use, the V-Series core provides maximum cooling efficiency and heat dissipation without adding unnecessary bulk.

• Precision TIG-welded all-aluminum construction for long-term durability
• V-Series slim core design optimizes heat transfer while maintaining critical airflow
• Direct fit for manual transmission (MT) models using factory mounting points
• Polished finish for a professional engine bay appearance
• Manufacturer Part Number: V2695

Fits select 2003-2007 Infiniti G35 models equipped with the VQ35DE engine and manual transmission.

The Koyo V2588 radiator is a precision-engineered replacement designed to restore and maintain the cooling efficiency of your Infiniti G35. Manufactured to strict OE standards, this radiator ensures a direct-fit installation into the factory mounting points without the need for modifications. Its construction is specifically tailored for vehicles with a manual transmission, providing optimal thermal management for the VQ35DE power plant.

• Direct-fit replacement for the factory radiator
• Designed specifically for Infiniti G35 models with Manual Transmission (MT)
• Optimized for the 3.5L VQ35DE V6 engine
• Built to meet or exceed original equipment specifications for fitment and durability
• Manufacturer Part Number: V2588

Fits 2002-2005 Honda Civic Si (2.0L).

Maintain optimal engine temperatures and cooling efficiency with this Koyo replacement radiator, designed specifically for the 2002-2005 Honda Civic Si (EP3). Engineered to meet or exceed OE cooling standards, this radiator is a direct-fit solution for manual transmission models, ensuring reliable performance for the K-series engine under various driving conditions.

• Direct fit for 2002-2005 Honda Civic Si (EP3) chassis
• Specifically designed for Manual Transmission (MT) applications
• Precision-engineered to factory mounting points for easy installation
• Compatible with the 2.0L engine
• Manufacturer Part Number: V2574

Fits 2002-2006 Acura RSX Base and Type-S models equipped with manual transmissions.

The Koyo V2425 radiator is a precision-engineered cooling solution designed to replace the factory unit in manual transmission Acura RSX models. Whether you are addressing a failing OE radiator or maintaining a performance build, this component ensures efficient heat dissipation and thermal management. Its design focuses on reliable fitment and consistent cooling performance under varying driving conditions.

• Transmission Type: Manual Transmission (MT) only.
• Direct Fit: Compatible with factory mounting points for 2002-2006 RSX chassis.
• Critical Requirement: This radiator requires the use of a non-OEM radiator cap (sold separately) for a proper seal.
• Application Compatibility: Fits both Base and Type-S trim levels.
• Manufacturer Part Number: V2425

Fits 2003-2005 Dodge Neon SRT-4 (2.4L Turbo).

Maintain optimal operating temperatures with this Koyo replacement radiator, specifically engineered for the 2003-2005 Dodge Neon SRT-4. Designed for vehicles equipped with manual transmissions, this unit ensures reliable heat dissipation under the high-demand conditions common to turbocharged 2.4L engines. Koyo radiators are built to meet or exceed OE specifications for fitment and cooling efficiency, providing a direct-replacement solution that integrates seamlessly with factory mounting points and cooling fans.

• Manufacturer Part Number: V2362
• Fitment: 2003-2005 Dodge Neon SRT-4
• Engine: 2.4L Turbo
• Transmission: Manual (MT)
• Construction: Engineered for high-flow cooling and durability

Upgrade your vehicle’s cooling efficiency with the Koyorad V2356 Racing All-Aluminum Radiator. Specifically designed for 2001-2005 Lexus IS300 Base and Sportcross models equipped with manual transmissions, this performance radiator provides superior heat dissipation compared to factory units with plastic tanks.

Constructed from high-grade aluminum, the V-Series core features precision TIG-welding and a polished finish. This radiator is engineered for a direct-fit installation, utilizing factory mounting points while providing the durability needed for track use and high-performance street driving. By eliminating the common failure points of OE radiators, Koyorad ensures reliable temperature management under extreme conditions.

• Fits 2001-2005 Lexus IS300 (Manual Transmission models only)
• All-aluminum construction with high-strength TIG welds
• Direct-fit design compatible with factory mounting and fan shrouds
• Manufacturer Part Number: V2356
• Polished aluminum finish for a clean engine bay aesthetic

Fits 1991-2005 Acura NSX Base, T, and Alex Zanardi Edition models equipped with the 3.2L engine and manual transmission.

This Koyo performance radiator is engineered as a direct-fit cooling solution for the first-generation Acura NSX. Designed to replace a worn or leaking factory unit, it maintains critical engine temperatures during spirited driving or daily use by providing efficient thermal management. This radiator utilizes factory mounting points to ensure a straightforward installation process that retains the original fit and finish.

• Direct-fit replacement for the original equipment radiator
• Designed specifically for Manual Transmission (MT) applications
• Maintains engine cooling efficiency and reliability
• Precision manufactured to meet OE fitment standards
• Manufacturer Part Number: V2032

Fits 1994-2001 Acura Integra GS, GS-R, LS, RS, Special Edition, and Type R models equipped with a manual transmission.

Engineered for a precise fit, the Koyo V083146 radiator is a high-quality replacement for 1994-2001 Acura Integra cooling systems. This unit is designed specifically for manual transmission vehicles and offers a direct bolt-on solution that maintains factory-level cooling efficiency. A key feature of this Koyo radiator is its versatility in hardware compatibility; it is designed to accommodate both Showa and Denso type OEM fan shrouds, eliminating the guesswork often associated with varied factory suppliers.

• Manufacturer Part Number: V083146
• Transmission Type: Manual (MT) only
• Compatibility: Fits both Showa and Denso fan shrouds
• Installation: Drops into factory mounting points
• Build: High-grade materials for long-term durability and heat dissipation

Fits 1994-2001 Acura Integra (GS, GS-R, LS, RS, and Type R) equipped with K-Series engine swaps (2.4L).

The Koyo V081255 is a specialized aluminum radiator engineered specifically for the cooling demands of K-Series engine conversions in the 1994-2001 Acura Integra chassis. Featuring Koyorad’s advanced N-FLO Dual Pass technology, this radiator directs coolant through the core twice to maximize heat dissipation, providing the thermal stability required for high-performance 2.4L K-swapped builds.

• N-FLO Dual Pass Tech: Routes coolant across the core twice to improve cooling efficiency over standard single-pass designs.
• K-Swap Specific: Optimized for the unique plumbing and packaging requirements of K-Series engines in the DC2 and DB8 engine bays.
• Manual Transmission Only: Designed specifically for manual transmission applications.
• Installation Requirements: This unit requires the use of custom electric fans for proper clearance and fitment.
• Manufacturer Part Number: V081255

Fits select 2013-2017 Scion FR-S, Subaru BRZ, and Toyota 86.

The Koyo Hyper Radiator Cap is an essential cooling system upgrade designed to handle the increased thermal demands of performance driving. This Blue Label version features a shallow plunger style, engineered to replace the factory cap and provide a more robust seal. By increasing the operating pressure of your cooling system, this cap raises the coolant boiling point, effectively increasing cooling efficiency and providing a vital safeguard against overheating during track sessions or spirited street use.

Constructed with high-quality components to ensure long-term durability under high-heat conditions, the SK-D13 Hyper Cap is a direct fit for the specified radiators, maintaining pressure consistency where standard OE caps may fail.

• Manufacturer Part Number: SK-D13
• Series: Hyper Radiator Cap (Blue Label)
• Style: Shallow Plunger
• Optimizes cooling system pressure for improved boiling point
• High-grade seals for heat resistance and durability

Fits all 2006-2015 Mazda Miata (NC) models.

Replace the failure-prone factory plastic unit with the Koyorad all-aluminum coolant reservoir expansion tank. Over time, the original equipment plastic tanks are known to become brittle, yellow, and eventually crack under the pressure and heat of the cooling system. This Koyorad RT001 expansion tank provides a permanent, high-strength solution that withstands extreme under-hood temperatures while adding a professional, polished look to your engine bay.

• Direct bolt-on replacement for the factory OE plastic tank
• Precision TIG-welded aluminum construction for maximum durability
• Billet aluminum filler neck accepts OE or equivalent radiator caps
• Micro-polished finish for a show-quality appearance
• Internal baffles maintain consistent coolant levels
• Manufacturer Part Number: RT001

Optimize your vehicle's cooling capacity with the Koyorad RH249525 Racing All Aluminum Pocket Radiator. Engineered for select Honda universal applications, this compact pocket-style radiator is designed to provide high-efficiency thermal management within tight engine bays or specialized racing configurations. Its full aluminum construction ensures superior heat dissipation and significant weight savings compared to standard plastic-and-aluminum OE units.

• Manufacturer Part Number: RH249525
• Material: High-grade all-aluminum core and tanks
• Construction: Precision TIG-welded for maximum durability and pressure resistance
• Fitment: Universal pocket-style design for select Honda cooling systems
• Performance: High-density core designed for demanding racing environments

Fits 1989-1998 Nissan 240SX (Base, LE, SE, and XE).

Engineered for high-demand thermal management, the Koyorad RH020539N Racing All-Aluminum Radiator is a purpose-built cooling solution for 1989-1998 Nissan 240SX (S13 and S14) chassis. This radiator is specifically configured to handle the increased heat loads of V8 engine swaps or high-boost turbocharged KA24 setups where the factory cooling system is insufficient. Unlike OE-style radiators with plastic end tanks that are prone to cracking and leaking under pressure, this unit features a fully TIG-welded construction for superior durability on the street or track.

• Manufacturer Part Number: RH020539N
• Construction: Fully TIG-welded all-aluminum for maximum structural integrity
• Application: Optimized for Nissan 240SX V8 swaps and KA24 turbo builds
• Finish: Polished aluminum
• Installation: Designed to provide enhanced cooling capacity within the 240SX engine bay

Fits 1993-1998 Toyota Supra Base and Twin Turbo models with manual transmissions.

This Koyorad performance radiator (MPN: R1856) provides enhanced cooling efficiency for the JZA80 chassis. Engineered for a precise fit, it serves as a robust replacement for worn or leaking factory units in both naturally aspirated and forced induction applications. Please note that this radiator is designed exclusively for Manual Transmission (MT) vehicles and does not include an internal transmission oil cooler.

• Fits 1993-1998 Toyota Supra Base and Twin Turbo (MT)
• Compatible with factory mounting points for a clean installation
• Manufacturer Part Number: R1856
• Designed for Manual Transmission (MT) only
• Requirement: Requires Koyorad radiator cap # SK-C13 or equivalent (factory OEM radiator cap is not compatible)

Fits 1970-1978 Nissan 240Z, 260Z, and 280Z models equipped with a manual transmission.

The Koyo R022352 is a performance-oriented radiator featuring a specialized crossflow design engineered for the S30 chassis. This radiator is designed to optimize thermal efficiency and provide reliable cooling for classic Datsun/Nissan Z-cars. Due to the unique crossflow configuration, specific plumbing adjustments are required for a proper installation.

• Manufacturer Part Number: R022352
• Core Design: High-efficiency crossflow
• Transmission: Manual Transmission (MT) only
• Installation Requirements: This radiator is not compatible with the OEM top inlet hose. Installers must use a trimmed OEM lower hose for the inlet side.
• Fan Fitment: This unit does not include provisions for a fan shroud; an OE-style mechanical fan is recommended for proper airflow.

Fits 1986-1992 Toyota Supra Base and Turbo models equipped with manual transmissions.

The Koyo R0171 is a high-performance cooling solution designed specifically for the Mark III (A70) Toyota Supra. This radiator is engineered for a direct-fit installation on manual transmission models. It features a built-in fan switch provision intended for JDM 1JZ engine configurations; however, it remains fully compatible with USDM 7M-GE and 7M-GTE models when used with a standard M16x1.5 fan switch or an equivalent plug.

• Fits both Naturally Aspirated (NA) and Turbocharged Supra models.
• Configured specifically for Manual Transmission (MT) applications.
• Integrated fan switch port for JDM 1JZ setups.
• USDM vehicles require an M16x1.5 plug or fan switch to seal the JDM provision.
• Replaces restrictive factory radiator for improved thermal management.
• Manufacturer Part Number: R0171

Fits select 2005-2009 Subaru Legacy GT and 2008-2015 WRX/STI models.

The Koyo PI-2183 13mm Coolant Reservoir Adapter is a precision-engineered fitting designed specifically for Subaru cooling system upgrades. This adapter is required to properly connect the factory coolant expansion tank to Koyo performance radiator part number VH091662, ensuring a leak-free seal and maintained pressure within the cooling circuit.

• Specifically sized 13mm fitting for Subaru OE reservoir hoses
• Direct-fit component for Koyo Radiator #VH091662
• Durable construction to withstand high engine bay temperatures
• Manufacturer Part Number: PI-2183