Description
CONVERSION KIT 2″ TO 3½” – Specification
| Part Number | Description | Specification |
|---|---|---|
| SK1790 | Split Pin | 6 x 25 mm |
| SK2106-01 | Lock Jaw Spring | Suitable for JSK38 |
| SK2405-14Z | Lock Jaw | 3.5″ (89 mm) for JSK38 (Use SK2405-14Z) |
| SK2421-56 | Wearing Ring | 3½” for JSK38 |
Kit Description
The 2″ to 3½” Conversion Kit is designed for JSK38 fifth wheel coupling systems and includes all essential wear and locking components required for conversion and maintenance.
Kit Contents
- 1 × SK1790 – Split Pin 6 × 25 mm
- 1 × SK2106-01 – Lock Jaw Spring (JSK38)
- 1 × SK2405-14Z – 3.5″ Lock Jaw (JSK38)
- 1 × SK2421-56 – 3½” Wearing Ring (JSK38)
Application
- Equipment: JSK38 Fifth Wheel Coupling
- Conversion Size: 2″ to 3½”
- Purpose: Replacement and conversion of locking mechanism components to restore proper coupling performance and wear resistance.
Important Note
Please use SK2405-14Z in place of SK2405-14.


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