Genuine Mercedes-Benz Oil Cooler A6421800165 for OM642 V6 CDI / BlueTEC
Genuine Mercedes-Benz Oil Cooler A6421800165 for OM642 V6 CDI / BlueTEC
Genuine Mercedes-Benz engine oil cooler / oil-to-water heat exchanger for the OM642 V6 CDI diesel engine.
OE Part Number: A6421800165
Alternative Part Number Formats: A 642 180 01 65 / 6421800165
Manufacturer: Mercedes-Benz
Engine: OM642 V6 CDI / BlueTEC
Condition: New
Product Type: Engine Oil Cooler / Oil-to-Water Heat Exchanger
The Genuine Mercedes-Benz Oil Cooler A6421800165 is designed for numerous Mercedes-Benz vehicles equipped with the proven OM642 V6 diesel engine.
The oil cooler plays an important role in maintaining the correct engine oil temperature and ensuring efficient operation of the engine lubrication and cooling systems.
For OM642 repairs where genuine Mercedes-Benz quality, precise fitment and reliable performance are essential, this is an excellent OE replacement solution.
Key Benefits
✓ Genuine Mercedes-Benz part
✓ OE Part Number A6421800165
✓ Designed for numerous OM642 V6 CDI / BlueTEC applications
✓ Precise OE fitment
✓ Reliable heat transfer and engine oil cooling
✓ Ideal for OM642 engine repair and maintenance
✓ Brand new
Compatible with Numerous Mercedes-Benz Models
Depending on the engine, model year and vehicle specification, the A6421800165 oil cooler is used in various Mercedes-Benz vehicles, including:
Mercedes-Benz C-Class
W203 / S203 – C 320 CDI
W204 / S204 – C 320 CDI, C 350 CDI
Mercedes-Benz E-Class
W211 / S211 – E 280 CDI, E 320 CDI
W212 / S212 – E 300 CDI, E 350 CDI / BlueTEC
W213 / S213 – selected E 350 d versions
C207 / A207 – E 350 CDI / BlueTEC
Mercedes-Benz CLS
C219 – CLS 350 CDI
C218 / X218 – CLS 350 CDI / CLS 350 BlueTEC
Mercedes-Benz CLK
C209 / A209 – CLK 320 CDI
Mercedes-Benz S-Class
W221 – S 320 CDI, S 350 CDI / BlueTEC
W222 – selected S 350 d versions
Mercedes-Benz ML / GLE / GLS
W164 – ML 300 CDI, ML 320 CDI, ML 350 CDI / BlueTEC
W166 – ML / GLE 350 CDI / BlueTEC
X166 – selected GLS 350 d versions
C292 – selected GLE Coupé versions
Mercedes-Benz GL
X164 – GL 350 CDI / BlueTEC
Mercedes-Benz GLK / GLC
X204 – GLK 320 CDI, GLK 350 CDI
X253 / C253 – selected GLC 350 d versions
Mercedes-Benz R-Class
W251 – R 280 CDI, R 300 CDI, R 320 CDI, R 350 CDI / BlueTEC
Mercedes-Benz G-Class
W461 / W463 – various OM642 diesel versions
⚠️ Important: The vehicle list is provided for reference only. Different parts may be installed depending on the model year, engine version and individual vehicle specification.
Not sure if A6421800165 fits your Mercedes-Benz?
Simply send us your 17-digit VIN (Vehicle Identification Number) before ordering, and we will help you check compatibility.
Technical Specifications
Manufacturer: Mercedes-Benz
OE / OEM Part Number: A6421800165
Alternative Number: 6421800165
Product: Engine Oil Cooler / Oil-to-Water Heat Exchanger
Engine Family: OM642 V6 Diesel
Dimensions: approx. 28 × 11 × 5 cm
Weight: approx. 0.75 kg
Condition: New
Why Is the Oil Cooler Important for the OM642 Engine?
The engine oil cooler helps maintain the oil within the required operating temperature range.
A damaged or leaking oil cooler may lead to problems within the engine oil and cooling circuits, including oil or coolant loss.
When replacing the oil cooler, it is also recommended to inspect the seals and surrounding components for wear or damage.
Package Contents
1× Genuine Mercedes-Benz Oil Cooler A6421800165
Please refer to the product photos for the exact contents of the package.