The Bilstein B1 Replacement Ball Joint Kit is a direct-fit service part for the ball joints originally installed in Bilstein B8 control arms. It includes all of the necessary mounting hardware and is built to Bilstein OE quality standards, letting you refresh a worn joint and get back on the road or trail.
| Type | Replacement Ball Joint Kit (B1 Components) |
| Quantity | 1 (kit includes mounting hardware) |
| Part Number | 13-100131 |
Documents: Installation Instructions (PDF) | Warranty (PDF)
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
