Coupling damper (also referred to as a shock absorber or gas strut) for an AL-KO coupling model 90S/S1/S2/S/3 post 1985 to present.
Damper part number 359987.
(Older dampers may have a 100mm extension , later replaced by an eye incorporated into the shaft)
Fits AL-KO couplings with the following Eti Numbers -
The Eti number is made up of 6 digits beginning 811, this can sometimes be found on the details stamped on the green oval ID plate fitted on top of the ALKO product body (On a caravan this may be under the cowling).