Compare 21 brands — check fitment and order online
OE part number 77121 is a O2 Sensor compatible with ALFA ROMEO, ALPINE and other makes. Available from 21 brands, priced from £38.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
O2 Sensor OE 77121 prices range from £38.99 to £83.99, with 21 brands offering compatible parts.
OE 77121 is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| MERCEDES-BENZ | B-CLASS Sports Tourer (W246, W242), A-CLASS (W176), CLA Coupe (C117), GLA-CLASS (X156) +4 |
| RENAULT | CLIO II (BB, CB) |
| AUDI | COUPE B3 (89, 8B3) |
Choose a brand to see their compatible parts for OE 77121.
Products matched to OE number 77121.
| Attribute | Value |
|---|---|
| Guarantee | 3 years guarantee |
| Weight [kg] | 0,139 |
| Cable Length [mm] | 350 |
| Manufacturer | HYUNDAI |
| Length [mm] | 320 |
| Overall Length [mm] | 570 |
| Housing Colour | blue |
| Length [mm] | 630 |
| Manufacturer Restriction | NTK |
| Overall Length [mm] | 700 |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 77121 is a manufacturer's reference code for O2 Sensor used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 21 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 77121.