JSK37 Fifth Wheel Locking Bar
Allan Davis
on
13/08/2026
JSK37 Fifth Wheel Locking Bar
$70.00
JSK37 fifth wheel locking bar for compatible JOST coupling lock mechanisms, with a 20mm mounting hole and 234.5 × 64.5 × 25mm body, used as the locking bolt within matching JSK37 fifth wheel assemblies.
Part number 118.023.
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Description
Overview
The JSK37 fifth wheel locking bar is the locking bolt used inside compatible JOST JSK37 coupling mechanisms to secure the lock during trailer coupling. Its 20mm mounting hole and 234.5 × 64.5 × 25mm body make the physical dimensions important when matching an existing component.
Features
- 20mm mounting hole
- 234.5mm overall length
- 64.5mm width and 25mm thickness
- Single locking component for compatible JSK37 mechanisms
Specifications and Materials
The bar is supplied as one locking component for the fifth wheel mechanism.
Part number: 118.023.
See the official JOST JSK37 E/EW spare parts information
Compatibility and Fitment
Use on compatible JSK37 fifth wheels that use this standard locking-bolt arrangement. Check the coupling model, serial number, existing bar dimensions and handle version before fitting. Long-handle type J versions use a different locking component, so JSK37 family identification alone is not enough.
These cross-references show where this part replaces the part numbers and applications listed. Some installations may need minor changes.
SK3205-06, SK320506
Related Parts
Check the related service parts below against the trailer setup before ordering.
| Use | Part number | Part type |
|---|---|---|
| Lock mechanism | SK 3205-07 | Guide |
| Lock mechanism | SK 3105-20 | Double tension spring |
| Lock mechanism | SK 3221-52 Z | Lock jaw |
Compliance and Safety
Inspect the mating lock jaw, guide, springs and bar contact surfaces for wear or damage before reassembly. After installation, confirm the fifth wheel closes fully around the king pin and that the locking mechanism operates freely through its complete travel.
Trailer Applications
The JSK37 fifth wheel locking bar is used in heavy-vehicle fifth wheel coupling service where the existing JOST lock mechanism uses the matching bar dimensions and standard locking arrangement.
Cross-reference and Suitability
This part cross-references to or suits the following equivalent part numbers and compatible alternatives:
| SK3205-06 | SK320506 |
Why Choose ICS Trailers
The critical check is the locking arrangement, not just the JSK37 name. Different JSK37 versions and handle configurations can use different locking components. ICS Trailers can compare the old bar, 20mm hole, overall dimensions, coupling model and serial number before ordering, and can also help identify the surrounding guide, spring and lock-jaw parts when the fifth wheel needs a broader lock repair.
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