Compare 19 brands — check fitment and order online
OE part number 400009 is a V-ribbed belt deflection/guide pulley compatible with ABARTH, ALFA ROMEO and other makes. Available from 19 brands, priced from £2.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
V-ribbed belt deflection/guide pulley OE 400009 prices range from £2.99 to £139.99, with 19 brands offering compatible parts.
Original installation position for OE 400009. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 400009 is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| SEAT | ALTEA XL (5P5, 5P8), LEON (1P1) |
| AUDI | A3 (8P1), A3 Sportback (8PA) |
| SKODA | OCTAVIA II Combi (1Z5), OCTAVIA II (1Z3) |
| VW | GOLF V (1K1), GOLF VI (5K1) |
| MERCEDES-BENZ | 124 Saloon (W124) |
| PEUGEOT | 505 (551A) |
Choose a brand to see their compatible parts for OE 400009.
Products matched to OE number 400009.
| Attribute | Value |
|---|---|
| Width [mm] | 26,0 |
| Height [mm] | 19 |
| Outer Diameter [mm] | 80 |
| Belt Pulley Ø [mm] | 70,0 |
| Width of castor bearing surface [mm] | 25 |
| Diameter [mm] | 80 |
| Surface | 6 |
| Width [mm] | 27 |
| Width [mm] | 39 |
| Belt Pulley Ø [mm] | 64 |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 400009 is a manufacturer's reference code for V-ribbed belt deflection/guide pulley used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 19 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 400009.