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Compare 24 brands — check fitment and order online
OE part number 21803 is a Engine cooling water pump compatible with AUDI, AUDI (FAW) and other makes. Available from 24 brands, priced from £36.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Engine cooling water pump OE 21803 prices range from £36.99 to £73.99, with 24 brands offering compatible parts.
OE 21803 is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| AUDI | A6 C5 Avant (4B5, 4B6), A6 C5 (4B2, 4B4), A8 D2 (4D2, 4D8), A4 B6 Avant (8E5) +1 |
| VW | PASSAT B5.5 Variant (3B6), PASSAT B5.5 (3B3) |
| MERCEDES-BENZ | 124 Saloon (W124), 190 (W201), 124 T-Model (S124) |
Choose a brand to see their compatible parts for OE 21803.
Products matched to OE number 21803.
| Attribute | Value |
|---|---|
| Distance of mounting bores [mm] | 32 |
| Packaging height [cm] | 22,5 |
| Su korpusu: | Taip |
| Weight [kg] | 0,75 |
| Drive Type | 9 |
| Packaging length [cm] | 20 |
| Guarantee | 1 year guarantee or up to 20,000km |
| Water Pump Pulley Diameter [mm] | 56,2 |
| Impeller Diameter [mm] | 82 |
| Water Pump Pulley Diameter [mm] | 59 |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 21803 is a manufacturer's reference code for Engine cooling water pump used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 24 compatible aftermarket brands that match the same specification — often at a lower price than the original. All parts listed above are verified to match OE 21803.