JOST JSK36D Fifth Wheel Coupling Slider Assembly 21442092 4203800 33914 Used Flywheels & Flexplates

Description:
Used genuine JOST JSK36D fifth wheel coupling slider assembly for tractor unit applications. This is a heavy-duty chassis-mounted saddle coupling used to connect a 50 mm king pin trailer to the towing vehicle. The photo label confirms JOST Type JSK36D, with visible approval marking ECE 55R-01 0301, class G50-X and D-value 152 kN. The images show a complete used assembly including the top plate, slider rails and manual release handles.

This part is commonly fitted across European tractor units depending on chassis specification, wheelbase, ride height and fifth wheel setup. Web references show JSK36D used on commercial vehicles including DAF XF tractor units, while the wider JOST JSK36 family is also used across MAN TGX/TGS, Volvo FH/FM, Mercedes-Benz Actros, Scania and Iveco applications where the chassis, height and mounting pattern match. Please confirm your exact part number, approval plate, mounting dimensions, slider type and vehicle specification before purchase.

Visible marks from the photos:
- JOST red ID plate present
- Type: JSK36D
- Approval: ECE 55R-01 0301
- Class: G50-X
- D-Value: 152 kN
- U20 marking visible
- Cast/stamped numbers visible: 21442092 and possible 4203800

Condition and fitting notes:
This is a used part and has been checked before dismantling. It shows normal to heavy used wear including grease residue, rust bloom, surface corrosion, scratches and age-related marks. Because fifth wheel equipment is safety-critical, installation should be carried out by a qualified commercial vehicle technician. The buyer should inspect wear limits, jaw lock, throat, bushes, slider locks, mounting bolts and lubrication condition before road use. Adjustment or service may be required depending on your application.

Shipping & Returns:
We ship across UK/EU with tracked services. Returns accepted within 30 days; buyer pays return postage. Please inspect upon arrival and message us with any concerns.

Why Buy From Us:
Genuine part, 3-month warranty, fast dispatch, secure packaging.