Coupling damper fits BPW/Grümer AK 3509 - Before year 1998; cc=390

Overrun damper BPW/Peitz/Grümer AK 3509 before 1998 CC dimension 390 mm for trailer

Overrun damper for BPW, Peitz and Grümer AK 3509 overrun brake on trailer for models before 1998. The CC dimension is 390 mm and the damper functions as an overrun damper in the overrun mechanism during braking. Always check model, design, dimensions and compatibility before installation.

Overrun damper in overrun brake system on trailer

The overrun damper in the trailer's overrun brake system absorbs the movement that occurs when the trailer pushes against the towing vehicle during braking. Check that the correct model, production year and CC dimension match the existing overrun brake before installation. Replace the damper in case of wear or when the function is no longer correct.