Compare 15 brands — check fitment and order online
OE part number 20857 is a Catalyst converter compatible with ABARTH, ALFA ROMEO and other makes. Available from 15 brands, priced from £158.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Catalyst converter OE 20857 prices range from £158.99 to £387.99, with 15 brands offering compatible parts.
OE 20857 is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| OPEL | OMEGA B (V94), OMEGA B Estate (V94) |
| VAUXHALL | OMEGA (B) Saloon (V94), OMEGA (B) Estate (V94) |
| MERCEDES-BENZ | S-CLASS (W140) |
| MITSUBISHI | OUTLANDER I (CU W) |
| CITROËN | C3 I (FC, FN) |
| VW | GOLF VI (5K1) |
| AUDI | A3 (8P1), A3 Sportback (8PA) |
Choose a brand to see their compatible parts for OE 20857.
Products matched to OE number 20857.
| Attribute | Value |
|---|---|
| Inner Diameter [mm] | 13 |
| Inner Diameter [mm] | 12,6 |
| Length 1 [mm] | 40 |
| Weight [kg] | 0,47 |
| Width [mm] | 34 |
| Inner Diameter [mm] | 14,5 |
| Height [mm] | 81 |
| Length [mm] | 52,5 |
| Outer Diameter 1 [mm] | 36 |
| Packaging height [cm] | 6,5 |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 20857 is a manufacturer's reference code for Catalyst converter used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 15 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 20857.