Proven Durability. Validated Performance.
For decades, MAHLE has been a leading OEM supplier of engine components for Heavy Duty applications. Built on this proven OE expertise, our aftermarket portfolio delivers the quality, durability, and reliability required to meet the demands of today's commercial vehicles.
With more than 2,795 SKUs, MAHLE offers comprehensive coverage across key Heavy Duty engine component categories, helping distributors and workshops source the right parts for everything from routine repairs to complete engine rebuilds.
Our portfolio continues to grow, with an additional 109 SKUs currently in development to further expand coverage and support evolving market needs.
Complete Engine Solutions. Trusted Performance.
From pistons, cylinder kits, bearings, valves, and gaskets to advanced engine components, MAHLE provides the parts professionals rely on to maximize uptime, extend engine life, and keep Heavy Duty vehicles performing at their best.
Engineering insights
An engine performs only as well as the interaction of its components. Pistons, rings, cylinder liners, bearings, and valve train parts are engineered as a complete system. As an OE manufacturer, MAHLE applies this systems approach to its aftermarket portfolio, helping workshops restore original performance rather than simply replacing worn parts.
How we ensure quality
- Advanced material selection and metallurgical expertise
- High-temperature, fatigue, and endurance testing
- Precision dimensional inspection
- Validation under demanding operating conditions
Coverage That Matters
Want to learn more? Meet our team at the booth or use the form below to request a follow-up.
Piston 001 PI 00191 000
Intensive research and development, top quality, and a wide variety of piston type for every kind of engine have convinced all of the famous engine manufacturers to use MAHLE pistons. Of course we also make our pistons available in original equipment quality for the aftermarket.
A failure can make itself noticeable as follows:
- Oil consumption
- Reduced performance
- Smoke from the exhaust
Causes for a defect could be:
- Contaminant-related wear
- Faulty fuel injection system
- Turbocharger damage
Piston Ring Set 001 RS 00174 0V0
Piston rings made by MAHLE are found in every leading vehicle brand worldwide. Together with engine manufacturers, MAHLE engineers develop and test the optimal ring set for pistons in new engines. The piston, piston rings, and cylinder wall must be coordinated perfectly so that the engine will function optimally for a long time.
A failure can make itself noticeable as follows:
- Oil consumption
- Reduced performance
- Smoke from the exhaust
Causes for a defect could be:
- Contaminant-related wear
- Faulty fuel injection system
- Turbocharger damage
Cylinder Liner 001 LW 00138 000
MAHLE develops and tests its cylinder liners in close cooperation with all international engine manufacturers. Every customer has a unique set of expectations regarding the type or hardness of the alloy. But all of them expect that MAHLE will provide precise manufacturing while complying with minimal tolerances—and their expectations are met, thanks to well-trained employees, CNC machines, and constant in-line quality inspection. And the same goes for the repair shops in the aftermarket.
A failure can make itself noticeable as follows:
- Oil consumption
- Reduced performance
- Smoke from the exhaust
Causes for a defect could be:
- Contaminant-related wear
- Faulty fuel injection system
- Turbocharger damage
Repair Kit for Piston/Cylinder Liner 001 AY 00197 090
MAHLE Engine Parts Assemblies combine the complete piston, piston rings, and cylinder liner into a perfectly matched repair kit. Designed as a system, the assembly ensures optimal fit, performance, and durability—just like in the original engine design. Compared to sourcing individual components, the MAHLE repair kit simplifies engine repair, reduces installation time, and minimizes the risk of misalignment or premature wear. The result: reliable engine performance, extended service life, and a cost-effective, professional repair solution from a single source.
A failure can make itself noticeable as follows:
- Oil consumption
- Reduced performance
- Smoke from the exhaust
Causes for a defect could be:
- Contaminant-related wear
- Faulty fuel injection system
- Turbocharger damage
Intake Valve 001 VE 32002 000
In cooperation with international engine manufacturers, MAHLE develops the tribological system of valve train components: valves, valve guides, and valve seat inserts. The greatest challenge with valves is defining the design. In order to withstand the extreme mechanical, chemical, and thermal loads, and to guarantee optimal heat dissipation, our valves are designed for a wide variety of operating conditions.
A failure can make itself noticeable as follows:
- Oil consumption
- Reduced performance
- Smoke from the exhaust
Causes for a defect could be:
- Contaminant-related wear
- Faulty fuel injection system
- Turbocharger damage
Exhaust Valve 001 VA 32003 000
In cooperation with international engine manufacturers, MAHLE develops the tribological system of valve train components: valves, valve guides, and valve seat inserts. The greatest challenge with valves is defining the design. In order to withstand the extreme mechanical, chemical, and thermal loads, and to guarantee optimal heat dissipation, our valves are designed for a wide variety of operating conditions.
A failure can make itself noticeable as follows:
- Oil consumption
- Reduced performance
- Smoke from the exhaust
Causes for a defect could be:
- Contaminant-related wear
- Faulty fuel injection system
- Turbocharger damage
Valve Seat Ring 001 SE 32210 100
In cooperation with international engine manufacturers, MAHLE develops the tribological system of valve train components: valves, valve guides, and valve seat inserts. The greatest challenge with valves is defining the design. In order to withstand the extreme mechanical, chemical, and thermal loads, and to guarantee optimal heat dissipation, our valves are designed for a wide variety of operating conditions.
A failure can make itself noticeable as follows:
- Oil consumption
- Reduced performance
- Smoke from the exhaust
Causes for a defect could be:
- Contaminant-related wear
- Faulty fuel injection system
- Turbocharger damage
Valve Seat Ring 001 SA 32211 100
In cooperation with international engine manufacturers, MAHLE develops the tribological system of valve train components: valves, valve guides, and valve seat inserts. The greatest challenge with valves is defining the design. In order to withstand the extreme mechanical, chemical, and thermal loads, and to guarantee optimal heat dissipation, our valves are designed for a wide variety of operating conditions.
A failure can make itself noticeable as follows:
- Oil consumption
- Reduced performance
- Smoke from the exhaust
Causes for a defect could be:
- Contaminant-related wear
- Faulty fuel injection system
- Turbocharger damage
Valve Guide 001 FX 32173 100
In cooperation with international engine manufacturers, MAHLE develops the tribological system of valve train components: valves, valve guides, and valve seat inserts. The greatest challenge with valves is defining the design. In order to withstand the extreme mechanical, chemical, and thermal loads, and to guarantee optimal heat dissipation, our valves are designed for a wide variety of operating conditions.
A failure can make itself noticeable as follows:
- Oil consumption
- Reduced performance
- Smoke from the exhaust
Causes for a defect could be:
- Contaminant-related wear
- Faulty fuel injection system
- Turbocharger damage
Crankshaft Bearing Shell 001 HL 21886 000
Many renowned engine manufacturers develop and test their aggregates together with MAHLE in order to benefit from decades of bearing experience. These bearings are used on valve rocker shafts, camshafts, conrods, crankshafts, and balancer shafts in combustion engines. MAHLE is continuously developing materials and production technologies and manufactures bearing shells and thrust washers with diameters from 27 to 140 mm and bushings from 6 to 105 mm. Naturally at the highest quality, even for the aftermarket.
A failure can make itself noticeable as follows:
- Oil consumption
- Reduced performance
- Smoke from the exhaust
Causes for a defect could be:
- Contaminant-related wear
- Faulty fuel injection system
- Turbocharger damage
Connecting Rod Bearing Shell 001 PL 21884 000
Many renowned engine manufacturers develop and test their aggregates together with MAHLE in order to benefit from decades of bearing experience. These bearings are used on valve rocker shafts, camshafts, conrods, crankshafts, and balancer shafts in combustion engines. MAHLE is continuously developing materials and production technologies and manufactures bearing shells and thrust washers with diameters from 27 to 140 mm and bushings from 6 to 105 mm. Naturally at the highest quality, even for the aftermarket.
A failure can make itself noticeable as follows:
- Oil consumption
- Reduced performance
- Smoke from the exhaust
Causes for a defect could be:
- Contaminant-related wear
- Faulty fuel injection system
- Turbocharger damage
Thrust Washer 001 AS 21883 000
Many renowned engine manufacturers develop and test their aggregates together with MAHLE in order to benefit from decades of bearing experience. These bearings are used on valve rocker shafts, camshafts, conrods, crankshafts, and balancer shafts in combustion engines. MAHLE is continuously developing materials and production technologies and manufactures bearing shells and thrust washers with diameters from 27 to 140 mm and bushings from 6 to 105 mm. Naturally at the highest quality, even for the aftermarket.
A failure can make itself noticeable as follows:
- Oil consumption
- Reduced performance
- Smoke from the exhaust
Causes for a defect could be:
- Contaminant-related wear
- Faulty fuel injection system
- Turbocharger damage
Camshaft Bearing Set 001 NS 22035 000
Many renowned engine manufacturers develop and test their aggregates together with MAHLE in order to benefit from decades of bearing experience. These bearings are used on valve rocker shafts, camshafts, conrods, crankshafts, and balancer shafts in combustion engines. MAHLE is continuously developing materials and production technologies and manufactures bearing shells and thrust washers with diameters from 27 to 140 mm and bushings from 6 to 105 mm. Naturally at the highest quality, even for the aftermarket.
A failure can make itself noticeable as follows:
- Oil consumption
- Reduced performance
- Smoke from the exhaust
Causes for a defect could be:
- Contaminant-related wear
- Faulty fuel injection system
- Turbocharger damage
Turbocharger 001 TC 19861 000
Used in a wide range of modern trucks and commercial vehicles, our turbochargers for commercial vehicles are the number one choice when it comes to increasing engine output and torque while reducing fuel consumption and emissions. They are designed for high mileage, deliver uncompromising quality, and boast an attractive price–performance ratio.
A failure can make itself noticeable as follows:
- Oil consumption
- Reduced performance
- Smoke from the exhaust
Causes for a defect could be:
- Contaminant-induced wear
- Poor oil supply
- Immediate shutdown of the hot engine