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OE part number 6K9857521C is a Side mirror compatible with SEAT, VW and other makes. Available from 2 brands, priced from £38.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Side mirror OE 6K9857521C prices range from £38.99 to £58.99, with 2 brands offering compatible parts.
Original installation position for OE 6K9857521C. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 6K9857521C is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| VW | PASSAT B3/B4 Variant (3A5, 35I), PASSAT B3/B4 (3A2, 35I), CADDY II Box Body/MPV (9K9A), CADDY II MPV (9K9B) +2 |
| SEAT | INCA (6K9) |
Choose a brand to see their compatible parts for OE 6K9857521C.
Products matched to OE number 6K9857521C.
| Attribute | Value |
|---|---|
| Model Year to | 99 |
| Exterior/Interior Mirror | for mirror heating |
| Number of circuits | 8 |
| Number of connectors | 7 |
| Exterior/Interior Mirror | without wide angle mirror |
| Supplementary Article/Info 2 | with cover |
| Supplementary Article/Info 2 | with two plugs |
| Number of pins | 10 |
| Width [mm] | 180 |
| Quality | Original |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 6K9857521C is a manufacturer's reference code for Side mirror used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 2 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 6K9857521C.