Engine Crankshaft Mercedes W164 W204 W211 W212 OM642 3.0 Diesel A6420302601

Engine Crankshaft Mercedes W164 W204 W211 W212 OM642 3.0 Diesel is a key component of the crank-piston system, designed for 3.0 OM642 diesel units. The offered crankshaft comes from the Crankshafts category and is dedicated to selected Mercedes SUV and sedan models, ensuring precise engine operation and stable torque transmission.

Specifications and technical data

• SKU: A6420302601
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420302601
• Substitutable numbers: A6420302601, A 642 030 26 01
• Fuel type: Diesel
• Category: Crankshafts

Purpose and compatibility with the OM642 engine

The presented crankshaft has been designed to work with the 3.0 OM642 diesel engine used in Mercedes W164, W204, W211, and W212 models. The crankshaft construction is adapted to the characteristics of the Diesel unit, which experiences high combustion pressures and heavy dynamic loads, requiring sufficiently rigid and durable main and connecting rod journal geometry.

Choosing the right crankshaft has a direct impact on engine refinement, vibration levels, and the durability of main and connecting rod bearings. Using a component that complies with factory design specifications allows for maintaining proper balance of the crank-piston system and stable operating parameters of the power unit.

Technical and functional characteristics

The crankshaft from this series has been developed by the manufacturer for long-term operation in diesel engines, where resistance to material fatigue and dimensional stability over a long period of use are essential. The design includes an appropriate oil channel layout, which enables effective lubrication of the journals and minimizes the risk of seizure under heavy loads.

The main advantages of this solution include:

• stable torque transmission across the entire engine speed range,
• maintenance of the correct crank-piston system geometry,
• ability to operate in demanding conditions typical for diesel units,
• compatibility with factory OM642 engine equipment.

Application in service practice

A used crankshaft of this type is often chosen for overhauls or advanced diesel engine repairs when it is necessary to replace a component due to wear, mechanical damage, or balancing issues. A properly selected shaft allows for restoring the correct operation of the power unit without the need to interfere with the block construction or change the equipment.

In service practice, it is particularly important to maintain compliance with the original manufacturer's specification. Using a shaft from the same design group enables:

• maintaining factory engine operating parameters,
• reducing the risk of improper lubrication and excessive clearances,
• maintaining compatibility with existing pistons, connecting rods, and bearings.

Benefits of choosing an original Mercedes crankshaft

By choosing a crankshaft designed for specific Mercedes models with the OM642 engine, you gain a component designed for high durability and predictable behavior over a long service life. The original design ensures proper balance, which translates into lower loads on the camshaft, bearings, and other drivetrain components.

Such a solution is particularly beneficial for users who expect stable operation of the diesel unit, reduced vibrations, and maintenance of factory parameters without the need to use replacement solutions of uncertain specification.

Expanding the scope of repairs and upgrades

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional shafts, mating parts, or crank-piston system components, check the available parts in the Mercedes Crankshafts category.

During major service work on the power unit, it is also worth taking care of the condition of other vehicle components, including the chassis and wheels. A practical guide can help in making decisions regarding the regeneration or purchase of rims: Used rims like new: a guide to buying and refurbishing aluminum rims.