OE 6421802101 — Oil Pump for Mercedes-Benz

Bulk pricing is tiered: 10 pieces, 50 pieces and full-carton quantities each carry a different unit rate. Piece price also moves with packing format and whether your own brand is printed on the carton, so tell us the landed quantity you are planning.

Position depends on the platform. On most Mercedes-Benz applications the oil pump sits on the cooling system assembly and can be reached from the engine bay or the underbody without removing the dashboard. Torque figures and disassembly order are given in the workshop manual for each model.

The Related OE References table above lists the alternates we see most often in trade inquiries. Cross-references work because the engineering envelope is shared across the cooling system family — always confirm dimensions and connector layout before you swap.

Standard minimum order is 10 pieces per part number. Mixed orders that combine 6421802101 with other cooling system references are welcome — that is how most clients fill an LCL or FCL container without over-stocking a single line.

Noise normally traces to worn internal surfaces, a loose mount, a dry bearing or contact with a neighbouring part. Isolate it by reproducing the sound at a fixed speed, then compare against the reference photo for 6421802101 to confirm the right replacement.

OEM means the part was produced for the vehicle maker's assembly line; aftermarket means it is made independently to the same engineering drawing. For a oil pump the practical gap is usually tooling age and packaging rather than fit, provided the tolerance class matches.