Fits select 2007-2017 Dodge, Ram, Ford, Kenworth, and Peterbilt vehicles (6.7L Turbo Diesel).

This Mahle OE piston ring set is engineered for engine rebuilds requiring a .020-inch oversize. Designed to meet or exceed original equipment requirements, these rings are manufactured to minimize friction and ring mass, which directly improves engine efficiency and reduces oil consumption in high-demand diesel applications. The moly-coated top rings provide a durable, heat-resistant seal against the cylinder wall, ensuring a long service life and consistent compression during the combustion cycle.

• Precision-engineered for 6.7L Cummins Turbo Diesel engines
• .020in (0.50mm) oversize for bored cylinder applications
• Moly-coated construction for superior wear resistance and heat management
• Advanced design reduces internal friction and minimizes oil consumption
• Manufactured to strict OE tolerances for reliable seating and sealing

Fits select 2007-2017 Dodge/Ram 2500, 3500, 4500, 5500, Ford F-650, F-750, Kenworth T170, T270, T370, and Peterbilt 330, 335 (6.7L).

Mahle OE piston rings are engineered to the exacting standards required by modern high-output diesel engines. Designed to minimize friction and ring mass, these moly-coated rings effectively reduce engine oil consumption while extending service life. Whether you are performing a standard rebuild or addressing worn factory components, Mahle provides the sealing performance and thermal stability needed to restore the efficiency of the 6.7L Cummins engine.

• Original Equipment (OE) quality and precision fitment
• Standard size ring set for factory bore dimensions
• Moly-faced top rings for enhanced durability and reduced friction
• Engineered to minimize oil consumption and improve service life
• Specifically designed for 6.7L Turbo Diesel applications

Fits select 2008-2010 Ford F-250, F-350, F-450, and F-550 Super Duty (6.4L).

When rebuilding a high-output direct-injection diesel engine like the 6.4L Powerstroke, ring quality is critical for maintaining compression and controlling oil consumption. This Mahle Moly Piston Ring Set is engineered to meet or exceed original equipment requirements, providing a precise fit within the cylinder bore for a reliable seal and long-term durability.

Mahle utilizes advanced materials and specialized coatings to reduce friction and ring mass. These moly-faced rings are designed to withstand the high thermal loads and cylinder pressures inherent in turbo diesel applications while minimizing wear on the cylinder walls. By reducing friction and optimizing oil control, these rings help restore factory-level performance and efficiency to your Ford Super Duty.

• Direct replacement for 6.4L Direct Injection Turbo Diesel engines
• Moly-coated face reduces friction and improves wear resistance for a longer service life
• Reduced ring mass minimizes inertia to maintain a stable seal across the RPM range
• Engineered to minimize engine oil consumption and satisfy OE requirements
• Manufactured to strict tolerances for consistent fitment and sealing performance

Fits select 2003-2010 Ford E-350/E-450 Super Duty, Excursion, and F-250/F-350/F-450/F-550 (6.0L Powerstroke Diesel).

Mahle Moly piston rings are engineered to meet the demanding OE requirements of the 6.0L Powerstroke turbo diesel engine. By focusing on reduced friction and optimized ring mass, these rings help minimize engine oil consumption while extending the service life of the 363 CID power plant. Designed to maintain a precise seal under the high-pressure conditions of a turbo diesel environment, these rings ensure your engine maintains peak compression and efficiency.

• Precision engineered for the Ford 6.0L (363 CID) Powerstroke Turbo Diesel
• Advanced Moly coating for reduced friction and cylinder wall wear
• Optimized ring mass for improved oil control and longevity
• Meets or exceeds original equipment specifications for fit and performance

Fits select 2003-2010 Ford E-350, E-450, Excursion, and F-250/F-350/F-450/F-550 Super Duty (6.0L Powerstroke Turbo Diesel).

Restore factory-level sealing and performance to your 6.0L Powerstroke engine with this Mahle Moly Piston Ring Set. Engineered to meet or exceed original equipment requirements, these rings are designed to reduce friction and ring mass, which directly contributes to minimized engine oil consumption and a longer service life. As a leader in diesel engine technology, Mahle uses advanced materials and manufacturing tolerances to ensure each ring provides a consistent seal against the cylinder wall, even under the high-pressure conditions of a 363 CID turbo diesel.

• Fits 6.0L (363 CID) Powerstroke Turbo Diesel engines
• Moly-faced top rings for superior heat resistance and durability
• Engineered to reduce internal friction and reciprocating mass
• Designed to minimize oil consumption and blow-by
• Meets or exceeds OE specifications for fit and material quality

Fits select 2003-2010 Ford E-350, E-450, Excursion, and F-250/F-350/F-450/F-550 Super Duty (6.0L Powerstroke Turbo Diesel / 363 CID).

Restore factory-level sealing and efficiency with this Mahle Moly Piston Ring Set. Engineered to meet or exceed original equipment requirements, these rings are designed to minimize engine oil consumption while reducing friction and ring mass. Mahle utilizes advanced metallurgy to provide a longer service life and reliable performance in the demanding environment of a 6.0L Powerstroke turbo diesel engine.

• Direct replacement for worn or damaged OE piston rings
• Moly-faced construction for improved durability and heat resistance
• Designed to optimize cylinder wall lubrication and reduce friction
• Engineered to maintain strict tolerances for oil control
• Displacement: 6.0L / 363 CID

Fits select 1994-2003 Ford E-350, E-450, E-550, Excursion, F-250, F-350, F-450, and F-550 models (7.3L).

Mahle piston rings are engineered to meet strict original equipment requirements, providing a reliable seal for high-compression 7.3L turbo diesel engines. Designed for the Navistar 445 block, these rings focus on reducing friction and ring mass, which directly contributes to minimized oil consumption and an extended service life for the engine's rotating assembly.

As a leader in piston ring technology, Mahle ensures these components maintain proper cylinder wall tension under the extreme pressures of DI and IDI turbo diesel operation. This sleeve assembly ring set provides the precision tolerances necessary for a professional-grade engine overhaul or restoration of factory performance.

• Specifically for 7.3L Power Stroke Turbo Diesel engines
• Optimized to reduce internal friction and engine oil consumption
• Engineered for high durability in DI (Direct Injection) and IDI applications
• Precision tolerances to meet or exceed OE specifications
• Compatible with Navistar 445 and 96-100 sleeve assembly requirements

Fits select 1994-2003 Ford E-350, F-250, F-350, F-450, F-550, and Excursion (7.3L Turbo Diesel).

Maintain peak engine performance and cylinder seal integrity with MAHLE piston rings. Designed to meet or exceed original equipment requirements, these rings are engineered specifically for the 7.3L Navistar-based Powerstroke platform. By reducing friction and ring mass, this set minimizes engine oil consumption while providing the durability required for heavy-duty diesel service life. Whether you are performing a standard rebuild or a sleeve assembly refresh, these rings provide the precision fitment needed for high-compression diesel environments.

• Precision-engineered for 7.3L DI/IDI Navistar Turbo Diesel engines
• Reduced ring mass and friction coefficients for improved mechanical efficiency
• Technical design focused on minimizing engine oil consumption
• Manufactured to OE standards for superior service life and reliability
• Compatible with Ford Trk 445 applications

Fits select 1994-2003 Ford F-250, F-350, F-450, F-550 Super Duty, E-Series, and Excursion (7.3L Turbo Diesel).

Restore engine compression and efficiency with this Mahle piston ring set, engineered specifically for the Ford/Navistar 445 7.3L Turbo Diesel engine. These rings are designed to meet or exceed OE requirements, addressing the high-pressure demands of both Direct Injection (DI) and Indirect Injection (IDI) Power Stroke platforms. By utilizing advanced metallurgy and precise tolerances, Mahle rings effectively minimize engine oil consumption and reduce internal friction, extending the service life of your diesel powerplant.

• Engineered for the Navistar 445 (7.3L) Turbo Diesel engine
• Optimized to reduce friction and ring mass for improved response
• Designed to minimize oil blow-by and consumption
• Direct replacement for worn OE piston rings
• High-grade materials for long-term durability in heavy-duty towing and hauling

Fits 1994-2003 Ford E-350/E-450/E-550, Excursion, F-250/F-350/F-450/F-550, and F-Super Duty models (7.3L Diesel V8).

Mahle NAVI piston rings are engineered to meet the demanding requirements of original equipment manufacturers, focusing on reduced friction and minimized ring mass to optimize engine efficiency. This 14420N-010 set is designed specifically for 7.3L Power Stroke engines that have been bored .010" over stock. The chrome-faced construction provides superior durability and heat resistance, ensuring a long service life and consistent oil control in high-compression diesel environments.

• Manufacturer Part Number: 14420N-010
• Configuration: Set for one (1) cylinder/piston
• Bore Specification: .010" Oversize
• Material: Chrome-faced rings for high-wear resistance
• Fitment: 7.3L Diesel V8 Power Stroke engine
• OE-driven design for reduced friction and improved oil consumption

Fits select 1994-2003 Ford F-250/F-350/F-450/F-550 Super Duty, Excursion, and E-Series (7.3L Turbo Diesel).

This Mahle 445 Sleeve Assy piston ring set is engineered to meet the rigorous demands of the 7.3L Power Stroke and Navistar diesel platforms. Developed to satisfy OE requirements, these rings focus on reducing friction and ring mass to minimize oil consumption while providing a long-lasting service life in heavy-duty applications.

By utilizing advanced materials and precise manufacturing tolerances, MAHLE ensures that each ring in this set provides the necessary seal for the high-compression environment of a turbo diesel engine. Whether you are performing a standard refresh or a complete engine overhaul, these rings deliver the technical precision required for DI and IDI engines.

• Fits 7.3L Turbo Diesel (DI/IDI) Navistar engines
• Engineered to reduce internal friction and reciprocating mass
• Designed to minimize engine oil consumption and restore compression
• Manufactured to strict OE specifications for fit and finish
• Includes necessary rings for sleeve assembly applications
• Part Number: 445

Fits select 2011-2020 Chrysler 300, Dodge Challenger, Charger, Durango, and Jeep Grand Cherokee (6.4L).

When performing a top-end rebuild or addressing a head gasket failure, sealing integrity is critical. This Mahle OE engine cylinder head gasket set provides the professional-grade components required to restore a factory-quality seal between the cylinder heads and the engine block. Engineered to meet original equipment specifications, these gaskets are designed to withstand the high cylinder pressures and thermal cycles typical of the 6.4L Hemi engine.

• Manufactured to OE specifications for a precise, drop-in fit and reliable performance.
• Constructed from high-grade materials to prevent fluid cross-contamination and maintain compression.
• Comprehensive kit designed for the 6.4L (392 CID) Hemi V8 engine.
• Engineered to handle the demanding heat and pressure of SRT and Scat Pack applications.

Fits 2015-2018 Ford F-250 and F-350 Super Duty.

The Mahle OE engine conversion gasket set provides the critical lower engine seals required for a thorough engine rebuild or bottom-end service. Also known as a lower gasket set, this kit is engineered to meet or exceed original equipment specifications, ensuring a precise fit and a reliable seal against oil and coolant leaks. Every gasket in this kit is manufactured to the strict tolerances trusted by OEMs and technicians worldwide.

• Original equipment (OE) quality for professional-grade reliability
• Includes essential gaskets for the lower engine block, oil pan, and timing cover
• Manufactured from premium materials designed to withstand high thermal and mechanical stress
• Engineered for precise fitment and leak-free performance

This conversion set is typically used in conjunction with a head gasket set to complete a full engine overhaul, providing all the necessary components to seal the engine's crankcase and lower block assemblies.

Fits 1998.5-2002 Dodge Cummins (5.9L).

This Mahle OE rebore kit is designed for precision engine restoration on 24-valve 5.9L Cummins diesel engines. Sized specifically for a 4.016-inch bore, this single-cylinder kit allows for accurate cylinder overhauls while maintaining original equipment tolerances. Mahle components are engineered with high-strength materials to withstand the extreme thermal loads and high compression ratios found in heavy-duty diesel applications, ensuring reliable oil control and reduced blow-by.

• Precision-engineered for 4.016in bore applications
• OE-grade material construction for long-term durability
• Specifically designed for 1998.5-2002 24V 5.9L Cummins engines
• Includes necessary components to overhaul a single cylinder

Fits select Cummins 4.5L and 6.7L B-series engines.

Maintain factory compression and combustion efficiency with this Mahle OE Piston Set. As an original equipment manufacturer for Cummins, Mahle produces these pistons to the exact tolerances required for heavy-duty diesel service. This set of six 107mm bore pistons is designed to handle the high cylinder pressures and thermal loads inherent in turbocharged B-series platforms.

• Bore Diameter: 107mm (4.210in)
• Engine Compatibility: Cummins 4.5L and 6.7L B-Series
• Quantity: Set of 6 Pistons
• OE Reference Number: 4931888
• Build: Precision-machined for proper oil control and thermal stability

Replacing worn factory pistons with Mahle OE units restores engine performance, reduces blow-by, and ensures long-term reliability for your Cummins powerplant. These components provide a direct-fit solution for engine overhauls and rebuilds.

Fits 1991-1993 Dodge D250, D350, W250, and W350 models equipped with the Cummins 5.9L engine.

Mahle OE replacement pistons are engineered to the same specifications as the factory components to ensure reliable performance and durability. These Cummins B 5.9L L6 standard-bore pistons feature compensated ring grooves to maintain proper ring loading and precise oil control. The expansion-controlled design allows for tighter fitting clearances, which reduces engine noise, cylinder wear, and emissions while optimizing oil management.

Designed for the professional engine builder, this set arrives ready for immediate installation. Each piston comes with the piston rings pre-mounted, and the necessary wrist pins and clips are included to streamline the assembly process.

• Engine Series: Cummins B 5.9L L6
• Bore Size: Standard (STD)
• Configuration: Set of 6 pistons
• Key Features: Compensated ring grooves and PCR (Pre-Cup Relief)
• Design: Expansion-controlled for reduced noise and wear
• Included Components: Pre-mounted piston rings, wrist pins, and retainer clips

Ensure your engine's rotating assembly is properly supported with this Mahle MS series main bearing set. Designed as a direct replacement for worn factory bearings, these standard (STD) size main bearings are engineered to maintain precise oil clearances and provide the durability required for turbocharged applications.

Fits select VW and Audi models equipped with the 1.8L Turbo engine.

• Series: Mahle MS (Main Set)
• Size: STD (Standard)
• Engine Compatibility: 1.8L Turbo
• Application: Crankshaft main support
• Material: High-strength alloy designed for fatigue resistance and load capacity
• Construction: Engineered to meet or exceed OE tolerances for reliable performance

Fits select 2015-2021 Volkswagen Golf VII, GTI, and Golf R models equipped with the 2.0T Gen 3 engine.

Engineered for high-stress environments, the Mahle MS Race Rod Bearing Set provides the technical durability required for modified Gen 3 EA888 engines. These standard-size bearings are designed to withstand increased cylinder pressures and high-RPM operation, offering superior load capacity compared to standard OE components. This makes them a critical upgrade for track-focused builds or high-horsepower street applications where bearing reliability is paramount.

• Manufacturer: Mahle
• Series: MS (Motorsport)
• Part Type: Rod Bearing Set
• Bearing Size: Standard
• Engine Compatibility: 2.0T Gen 3
• Application: Race/Performance

Fits 1978-1989 Porsche 930 Turbo (3.3L / 3.6L).

This Mahle MS piston and cylinder set provides the precision and thermal stability required for high-performance engine builds on the air-cooled Porsche 930 platform. Specifically engineered for 3.3L and 3.6L configurations, this kit ensures a matched fit for engines utilizing a 98mm bore and a 74.4mm stroke. These components are designed to withstand the increased cylinder pressures and temperatures common in turbocharged applications, offering a reliable solution for both standard restorations and performance upgrades.

• Brand: Mahle
• Series: MS
• Bore: 98mm
• Stroke: 74.4mm
• Fitment: Porsche 930 Turbo (1978-1989)
• Engine Compatibility: 3.3L and 3.6L
• Quantity: Full set of 6 pistons and cylinders

Mahle MS series piston rings are engineered for professional engine builders who require absolute control over ring end gaps. As a file-fit set, these rings are manufactured with additional material to allow for precision hand-filing, enabling you to set exact clearances based on your specific combustion temperatures and power-adder requirements, whether running naturally aspirated, turbocharged, or nitrous configurations.

Constructed from advanced alloys for superior heat conductivity and wear resistance, these rings ensure a high-integrity seal against the cylinder wall to maximize compression and minimize blow-by. The MS series is designed to withstand the stresses of high-RPM operation while maintaining low friction for improved efficiency.

• Bore Diameter: 98.00mm (3.858 in)
• Top Ring Thickness: 1.2mm
• Second Ring Thickness: 1.2mm
• Oil Ring Thickness: 3.0mm
• Series: MS
• Fitment Type: File Fit

Fits select VW 2.0L TSI engines.

Engineered for high-performance builds and increased boost levels, this Mahle Motorsport Piston Set provides the structural integrity and precision required for tuning the VW 2.0L TSI platform. Forged from high-strength alloys, these pistons are designed to manage significantly higher thermal and mechanical loads than factory cast components, making them a critical upgrade for any serious engine build.

• Bore: 83mm
• Stroke: 92.8mm
• Rod Length: 144mm
• Wrist Pin: 23mm
• Dome Volume: -7.1cc
• Compression Ratio: 9.6:1
• Engine Displacement: 2.0L
• Quantity: Set of 4

Engineered for high-performance builds, this Mahle Motorsport (MS) Piston Set is designed for VW 2.0L TSi engines requiring superior strength and thermal stability. These forged pistons are built to handle increased cylinder pressures in forced induction applications, featuring a 9.5:1 compression ratio that balances efficiency with knock resistance under boost.

• Engine Compatibility: VW 2.0L TSi
• Bore Diameter: 82.5mm
• Stroke: 92.8mm
• Connecting Rod Length: 144mm
• Wrist Pin Diameter: 23mm
• Piston Dish Volume: -7.1cc
• Compression Ratio: 9.5:1
• Quantity: Complete set of 4 pistons

Engineered for high-performance Subaru EJ25 builds, this Mahle Motorsport MS Piston Set is designed to withstand the increased thermal and mechanical loads of forced induction applications. These pistons feature a 99.75mm bore, making them the ideal choice for blocks requiring a +0.25mm overbore to restore cylinder wall integrity and ensure a perfect ring seal.

This set is specifically configured for use with a 79.0mm stroke and factory-length rods utilizing a 23mm wrist pin. The -22cc dish volume yields a boost-friendly 8.5:1 compression ratio, providing an excellent balance of off-boost response and tuning safety under high load.

• Engine Application: Subaru EJ25
• Bore Size: 99.75mm (+0.25mm oversize)
• Stroke: 79.0mm
• Rod Compatibility: Stock Rod (OE length)
• Wrist Pin Diameter: 23mm
• Piston Dish: -22cc
• Compression Ratio: 8.5:1
• Quantity: Complete set of 4

This Mahle Motorsport MS Piston Set is engineered for Subaru WRX 2.5L engines, providing the thermal stability and structural integrity required for high-performance and high-boost applications. These forged pistons are designed to handle increased cylinder pressures while maintaining precise clearances and oil control.

• Engine Compatibility: 2.5L
• Bore: 100mm
• Stroke: 79mm
• Rod Length: 130.4mm
• Piston Volume: -22cc dish
• Compression Ratio: 8.5:1
• Quantity: Set of 4 pistons
• Product Series: Mahle Motorsport (MS)

Fits Chrysler 6.4L Hemi 392ci engines.

This Mahle piston set is engineered for high-performance builds, delivering the precision and durability required for the 6.4L Hemi platform. Machined from high-strength alloys to withstand elevated thermal and mechanical stresses, these pistons maintain tight tolerances for improved ring seal and power consistency. Whether you are refreshing a high-mileage street engine or building a dedicated performance Hemi, this set provides the exact geometry needed for a 3.724-inch stroke and 6.20-inch rod combination.

• Bore: 4.090 in
• Stroke: 3.724 in
• Rod Length: 6.20 in
• Compression Ratio: 11.0:1
• Displacement: 392ci (6.4L)
• Quantity: Set of 8 pistons

This Mahle Piston Set is engineered for the Chrysler Hemi 392ci (6.4L) engine platform, providing a precision-fit solution for high-performance builds. Designed to maintain tight tolerances and reliable thermal characteristics, these pistons are ideal for enthusiasts looking to achieve a specific 11:1 compression ratio in naturally aspirated applications.

This complete set of eight pistons is configured for use with a 3.724-inch stroke and 6.200-inch connecting rods. Mahle utilizes advanced manufacturing techniques to ensure consistent weight and geometry across the set, which is critical for engine balance and longevity in high-RPM Hemi environments.

• Engine Compatibility: Chrysler Hemi 392ci (6.4L)
• Bore Diameter: 4.100 in
• Stroke: 3.724 in
• Connecting Rod Length: 6.200 in
• Compression Ratio: 11:1
• Quantity: Complete set of 8 pistons

Build your high-performance engine with the precision and durability of Mahle Motorsports MS series pistons. Designed for 308ci applications, these forged pistons are engineered to withstand the rigors of high-RPM use and increased cylinder pressures. This set provides a reliable foundation for racers and performance enthusiasts seeking optimized combustion efficiency and superior thermal management.

• Bore: 93.015mm
• Compression Height: 1.167"
• Stroke: 3.650"
• Rod Length: 5.933"
• Wrist Pin Diameter: 0.866"
• Piston Volume: -1.5cc
• Compression Ratio: 10.4:1
• Quantity: Set of 8

Each piston in this set is manufactured to exacting tolerances, ensuring consistent weight and balance across all cylinders. The MS series leverages Mahle's advanced forging techniques and specialized coatings to reduce friction and improve wear resistance in demanding racing or high-output street environments.

Engineered for high-performance Ford Gen 3 Coyote builds, this Mahle Motorsport (MS) Piston Set is designed for 308ci displacement configurations. These pistons provide the structural integrity required for increased mechanical loads while maintaining the precise tolerances necessary for high-RPM stability.

• Engine Application: Ford Gen 3 Coyote (5.0L)
• Bore: 3.662 in
• Stroke: 3.65 in
• Rod Length: 5.933 in
• Wrist Pin Diameter: 0.866 in
• Piston Crown Volume: 8.4cc
• Compression Ratio: 12:1
• Total Displacement: 308ci

Each set is machined with Mahle's advanced metallurgical techniques to ensure optimal thermal expansion control and ring groove stability. This kit includes the necessary components to replace factory pistons when moving to a 3.662-inch bore and 3.65-inch stroke setup.

Engineered for high-performance GM LSX builds, this Mahle Motorsport (MS) piston set is designed for 447 cubic inch displacement applications. These pistons are built to withstand the rigorous demands of high-output racing environments, providing the precise tolerances and thermal stability required for consistent power delivery.

This set is optimized for a 4.125-inch stroke and 6.125-inch connecting rods. With a 4.155-inch bore and a 1.050-inch compression height, these pistons feature a -5.8cc volume to achieve an 11.8:1 compression ratio. Each piston is machined to accept a 0.927-inch wrist pin, ensuring a secure and durable rotating assembly interface.

• Manufacturer: Mahle Motorsport
• Series: MS (Motorsport)
• Engine Application: GM LSX (447cid)
• Bore Diameter: 4.155"
• Stroke: 4.125"
• Rod Length: 6.125"
• Compression Height: 1.050"
• Wrist Pin Diameter: 0.927"
• Dome/Dish Volume: -5.8cc
• Compression Ratio: 11.8:1
• Quantity: Set of 8 pistons with pins

This Mahle Motorsport (MS) Piston Set is engineered for high-performance GM LS7 applications, specifically optimized for 430cid stroker builds. Designed to meet the rigorous demands of competitive racing and high-output street use, these pistons provide the necessary thermal stability and structural integrity required for high-RPM operation.

This set is configured for a 4.000-inch stroke and 6.067-inch connecting rods, utilizing a 4.135-inch bore diameter. With a -2.5cc effective volume, these pistons are designed to achieve an 11.8:1 compression ratio, providing an ideal balance of cylinder pressure and fuel compatibility for performance LS builds. Each piston is precision-machined to accommodate a 0.927-inch wrist pin for a secure, low-friction connection.

• Engine Type: GM LS7 (430cid)
• Bore Diameter: 4.135 in
• Stroke: 4.000 in
• Rod Length: 6.067 in
• Wrist Pin Diameter: 0.927 in
• Piston Volume: -2.5 cc
• Compression Ratio: 11.8:1