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Version 2.2

Overrun damper, for GRÜMER AK 3509 AWS/AWUS 2020, 390 mm, bore Ø 12 mm, up to year of manufacture 1996

70203

Replacement overrun damper for GRÜMER AK 3509 AWS/AWUS 2020 overrun brakes.

Fits models up to model year 1996. Length 390 mm, bore Ø 12 mm.

Cross-reference nos.: 4017990, 02.3722.42.00, 05.323.00.35.0, 1000568262; Dealer part nos.: 800070, 830070, 10018055

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Description

Overrun damper as a replacement part for GRÜMER overrun couplings AK 3509 AWS and AK 3509 AWUS 2020 on trailers up to year of manufacture 1996. The damper slows the movement of the drawbar and prevents the trailer from running abruptly into the towing vehicle when decelerating.

Dampers of different lengths are listed for these types. Before ordering, check the year of manufacture on the type plate and measure the distance between the eye centres on the removed damper.

If the drawbar can be pushed in without noticeable resistance with the trailer uncoupled, the damping has worn out.

Features
Extended length (mm)
390
Extended length range (mm)
300-399
Housing connection
Eye 12 mm
Max. weight range (kg)
  • 3500
Retracted length (mm)
260
Retracted length range (mm)
250-349
Rod connection
Eye 12 mm
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