MERTZBall Joint — MERTZ M-S0721
OE 57721MPN M-S0721
EAN 5902701025823
Front Right · Front Left · 17,8 mm · M14x1,5 mmCompare 26 brands — check fitment and order online
OE part number 57721 is a Ball Joint compatible with AUDI, BMW and other makes. Available from 26 brands, priced from £9.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Ball Joint OE 57721 prices range from £9.99 to £35.99, with 26 brands offering compatible parts.
OE 57721 is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| BMW | X3 (E83) |
| AUDI | A4 B8 (8K2), A4 B8 Avant (8K5), A5 Convertible (8F7), A5 (8T3) +2 |
| VW | GOLF VII (5G1, BQ1, BE1, BE2) |
| PEUGEOT | 508 SW I (8E), 508 I (8D) |
Choose a brand to see their compatible parts for OE 57721.
Products matched to OE number 57721.
| Attribute | Value |
|---|---|
| Cone Size [mm] | 13,6 |
| Thread Size | Pinch Bolt 18mm |
| Cone Size [mm] | 12,7 |
| Cone Size [mm] | 16,6 |
| Diameter [mm] | 45 |
| Height [mm] | 73 |
| Length [mm] | 60 |
| Width [mm] | 67 |
| Height [mm] | 51 |
| Thread Size 1 | M12 x 1,5 |
Common original equipment numbers linked to stocked alternatives.
OE (Original Equipment) number 57721 is a manufacturer's reference code for Ball Joint used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 26 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 57721.