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Oil pump chain guide A6421800371

Description

Oil pump chain guide by MERCEDES, catalog number A6421800371. Confirmed catalog fitment: Mercedes-Benz C-Class S203 (2001–2007), Mercedes-Benz C-Class S204 (2007–2014), Mercedes-Benz C-Class W203 (2000–2007), Mercedes-Benz C-Class W204 (2007–2014), Mercedes-Benz CLK A209 (2003+) and other body variants. For an accurate match, compare the number and identification with the removed part and confirm the vehicle specification by VIN. The fitment list is a reference and does not replace a vehicle-specific compatibility check.

OIL PUMP CHAIN GUIDE. The oil pump chain guide is a component of the engine oil pump drive system designed to stabilize the operation of the chain drive mechanism. The main function of this part is to reduce chain vibrations and oscillations while maintaining proper chain alignment and tension during engine operation. The oil pump chain drive transfers rotational motion from the crankshaft or intermediate mechanism to the oil pump, which is responsible for circulating engine oil through the lubrication system. The chain guide is installed along the chain path and acts as a guiding and damping element that prevents excessive chain movement, reduces noise and minimizes wear of the drive components. The design of the chain guide typically includes a metal base combined with a wear‑resistant contact surface made of polymer or composite materials resistant to oil, temperature and mechanical stress. This construction ensures smooth chain operation and improves the reliability of the engine lubrication system. A reliable oil pump chain guide supports stable oil pump performance, reduces wear of the chain drive and extends the service life of engine components. The catalog includes oil pump chain guides of various types and configurations designed for installation on gasoline and diesel engines used in passenger cars, SUVs and commercial vehicles.

Compatibility

Fits 43 vehicles

Nothing found

About the manufacturer · MERCEDES

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the...
Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the brand is part of Mercedes‑Benz Group and is recognized globally as a leading manufacturer of passenger cars, commercial vehicles and genuine automotive spare parts. Under the Mercedes‑Benz brand a wide range of original components is produced for the company’s vehicles, including engine parts, cooling system components, suspension elements, braking systems, transmission components, electronic modules, body parts and various maintenance and service items. Genuine Mercedes‑Benz parts are designed according to strict factory engineering standards and undergo comprehensive quality control throughout the production process. This ensures precise fitment, reliable performance and full compatibility with the vehicles they are intended for. According to feedback from car owners and automotive repair professionals, Mercedes‑Benz genuine parts are highly regarded for their excellent build quality, long service life and dependable operation even under demanding driving conditions. Many users also highlight the perfect fit and ease of installation of original components. The most frequently mentioned drawback is the relatively high price compared with many aftermarket alternatives, although many vehicle owners consider the cost justified due to the durability, safety and preservation of the vehicle’s original factory performance.

Additional information
Oil pump chain guide by MERCEDES, catalog number A6421800371, is listed for vehicle repair or maintenance. The catalog identifies the item as “Oil pump chain guide”. Confirmed catalog fitment: Mercedes-Benz C-Class S203 (2001–2007), Mercedes-Benz C-Class S204 (2007–2014), Mercedes-Benz C-Class W203 (2000–2007), Mercedes-Benz C-Class W204 (2007–2014), Mercedes-Benz CLK A209 (2003+), Mercedes-Benz CLK C209 (2002–2009) and other body variants. Fitment is based on the catalog links between the part and vehicle bodies. It helps narrow the search, but final compatibility must be confirmed for the exact vehicle specification. The primary ordering references are part number A6421800371 and manufacturer MERCEDES. Parts can differ within the same vehicle model by production year, engine, transmission, installation side, or position. Before purchase, compare the number and identification with the removed component and verify body, year, and specification by VIN. Also compare appearance, connectors, mountings, dimensions, and included items whenever those details are relevant to this part.

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