Fits select 1989-2003 Dodge D250, D350, W250, W350, and Ram 2500/3500, as well as 1993-1999 Ford CF7000, F-600, F-700, F-800, L8501, and LN7000 trucks equipped with the Cummins B-Series turbocharged engine.

Maintain peak cylinder pressure and optimize oil control in your Cummins B-Series engine with this Mahle piston ring set. Specifically engineered for the high-thermal and pressure demands of turbocharged applications, these rings utilize a ceramic chrome top ring coating to provide a durable, heat-resistant seal against the cylinder wall. Mahle's OE-driven design focuses on reducing friction and ring mass to minimize parasitic loss while significantly extending service life in heavy-duty or commercial environments.

• Specifically designed for turbocharged Cummins B-Series engines
• Ceramic chrome top ring construction for superior heat resistance and durability
• Engineered to reduce internal friction and minimize engine oil consumption
• Precision-manufactured to meet or exceed original equipment requirements
• Complete set for a reliable professional-grade rebuild

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 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 1989-2003 Dodge D250, D350, Ram 2500, Ram 3500 and Ford F-600, F-700, F-800, and L-Series models equipped with the Cummins B-Series turbocharged engine.

These Mahle piston rings are engineered to meet the demanding requirements of turbocharged Cummins B-Series engines. By utilizing a ceramic chrome top ring, this set provides superior heat resistance and a high-integrity seal under the increased cylinder pressures of forced induction. These rings are designed to minimize friction and reduce ring mass, which directly improves engine efficiency and provides a longer service life compared to standard replacement sets.

• Ceramic chrome top ring construction for enhanced wear resistance in turbocharged applications
• Engineered to minimize oil consumption and maintain peak compression
• Designed to meet or exceed OE specifications for fit, tension, and material hardness
• Reduces internal friction to improve overall engine performance and longevity

Fits select 1989-2009 Dodge D250, D350, W250, W350, Ram 2500, Ram 3500, and Ram 3500 Van models equipped with Cummins B-Series turbocharged engines.

Engineered to meet rigorous OE requirements, this Mahle piston ring set is designed for the high-demand environment of turbocharged Cummins B-Series engines. These rings feature advanced ceramic chrome top ring technology, which provides superior heat resistance and durability under high cylinder pressures. By reducing ring mass and optimizing tension, this set effectively minimizes friction and engine oil consumption while extending service life during heavy-duty use or performance rebuilds.

• Ceramic Chrome Top Ring: Enhances wear resistance and manages the thermal loads typical of turbocharged diesel applications.
• Reduced Friction: Engineered to lower parasitic loss and improve overall engine efficiency.
• Oil Control: Precision-manufactured to minimize oil consumption and maintain clean combustion.
• OE Quality: Designed to the exact tolerances required for a reliable factory-style fit and seal.

Fits select 1989-2009 Dodge D250, D350, W250, W350, Ram 2500, Ram 3500, and Ram 3500 Van (3.8L / 5.9L).

These Mahle piston rings are engineered to meet strict OE requirements for Cummins ISB, ISF, and B5.9G engine platforms. Designed to optimize engine sealing, this chrome-faced ring set focuses on reducing friction and ring mass, which directly contributes to minimized oil consumption and a longer service life for the rotating assembly. Whether you are performing a standard refresh or a complete engine overhaul, these 102mm bore rings provide the precise tolerances needed to maintain compression and performance.

• Bore Diameter: 102mm / 4.017in
• Finish: Chrome-faced for durability and wear resistance
• Engine Compatibility: Cummins ISB, ISF 3.8L, and 5.9L / B5.9G
• Designed to reduce internal friction and parasitic loss
• High-grade materials minimize ring mass and oil bypass

Fits 2011-Up Navistar MaxxForce 7 diesel engines.

Designed to meet demanding OE specifications, this Mahle Moly piston ring set is engineered for professional engine rebuilds where precision and durability are critical. These rings utilize advanced metallurgy and coatings to optimize the interface between the piston and cylinder wall, ensuring consistent compression and efficient thermal transfer.

• Reduces internal engine friction and reciprocating mass for improved mechanical efficiency
• Minimizes engine oil consumption by maintaining a superior cylinder seal throughout the stroke
• Molybdenum (Moly) coating provides enhanced wear resistance and extended service life under high thermal loads
• Technically advanced design driven by strict OE requirements for the MaxxForce 7 platform

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 2018-2020 Ford F-150 and Mustang GT (5.0L).

Restore a reliable seal and prevent oil leaks with the Mahle OE Valve Cover Gasket Set. Designed to meet or exceed original equipment specifications, these gaskets are critical for maintaining the integrity of your engine's sealing surfaces, especially as heat cycles take a toll on factory rubber. This set provides a precise fit for the 5.0L Coyote engine, ensuring that oil stays contained within the valve train and away from spark plug wells and exterior engine components.

• Direct replacement for a factory-level fit and finish
• Engineered with premium materials to resist high under-hood temperatures and oil exposure
• Helps prevent oil consumption and messy leaks onto the exhaust manifold
• Complete set for a comprehensive service of both valve covers

Fits select 2011-2017 Ford F-250, F-350, F-450, and F-550 Super Duty (6.7L).

MAHLE Moly piston rings are engineered to meet the demanding original equipment requirements of the 6.7L Powerstroke diesel engine. These rings are designed to reduce internal friction and reciprocating mass, which directly contributes to minimized oil consumption and a longer service life. Built with advanced ring technology, they provide the reliable sealing performance required for high-pressure diesel combustion and heavy-duty towing applications.

• Moly-faced coating for reduced friction and improved wear resistance
• Engineered to minimize engine oil consumption
• Precision-machined to OE specifications for a perfect fit
• Reduced ring mass for improved engine efficiency

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 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 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 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 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 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 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 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 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 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 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 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

Fits select 1990-2005 Ford Escort, Mazda 323, Miata, MX-3, Protege, and Mercury Tracer (1.8L).

Engineered to meet the rigorous demands of original equipment manufacturers, the Mahle 41608 piston ring set provides a technically advanced sealing solution for your 1.8L engine. These rings are designed to reduce friction and ring mass, which directly contributes to better throttle response and minimized oil consumption. By utilizing high-quality materials and precision manufacturing, this set offers a longer service life and superior durability compared to standard replacement options.

• Advanced Materials: Features a chrome ring face for enhanced wear resistance and cylinder wall protection.
• OE Performance: Designed to exact tolerances for reduced friction and optimized engine efficiency.
• Complete Set: Includes all necessary rings to complete a single-engine rebuild for the 1839cc (1.8L) displacement.
• Proven Durability: Resists heat and high-RPM stress, maintaining consistent cylinder sealing over time.

Whether you are refreshing a high-mileage Miata or rebuilding a Protege engine, Mahle rings provide the exact fit and finish required for professional-grade results. Manufacturer Part Number: 41608.

Fits select 2009-2017 Chrysler, Dodge, Jeep, and Ram vehicles (3.6L).

This Mahle Moly Piston Ring Set (MPN 42155CP.010) is engineered to meet the rigorous demands of the Chrysler 3.6L V6 Pentastar engine. These rings are designed to restore factory compression and oil control by utilizing advanced materials that reduce friction and ring mass. The molybdenum-faced top rings provide a hard, wear-resistant surface that excels in high-heat environments while ensuring a precise seal against the cylinder bore.

• Manufacturer Part Number: 42155CP.010
• Fits 3.6L V6 Pentastar engine applications
• Molybdenum-faced top rings for superior durability and reduced internal friction
• Optimized ring tension to minimize oil consumption and improve service life
• Direct-fit replacement engineered to original equipment tolerances

Fits select 1960-1990 Chrysler, Dodge, Plymouth, and Jeep models (3.7L / 225).

Restore engine compression and oil control with this Mahle piston ring set. Engineered to meet or exceed OE requirements, these rings are designed to reduce friction and minimize mass, which directly results in lower engine oil consumption and an extended service life. This plain ring set provides a precise seal against the cylinder wall, ensuring your classic Slant-6 or industrial engine maintains peak efficiency and durability under varying load conditions.

• Manufacturer Part Number: 50276CP.030
• Engine Fitment: 3.7L / 225 CID Inline-6
• Oversize: .030 in
• Material: Technically advanced alloys for reduced friction
• High-grade surface finishes for rapid break-in and consistent sealing
• Designed for long-term service life in automotive and industrial applications