Skip to content
Free Standard Shipping on Eligible Orders Over $100 in the Contiguous U.S.
Free Standard Shipping on Eligible Orders Over $100 in the Contiguous U.S.

JSK37USD-A9PK24 Genuine JOST Fifth Wheel Air Slide Assembly LH

P/N: JSK37USD-A9PK24 Manufactured by: JOST
Original price $3,799.00 - Original price $3,799.00
Original price
$3,799.00
$3,799.00 - $3,799.00
Current price $3,799.00
1 in Stock
Condition: New
We accept:
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
Not Sure Which Part Fits?
Our support team is here to help.
+1 (828) 209-8010
Monday – Saturday | 8:00 AM – 8:00 PM (EST)
Fast 2–3 Day Shipping
30-Day Returns
In Stock & Ships Fast
Expert Support Available
2-Year Warranty

At Line Truck Parts LLC, we are committed to providing reliable automotive parts and a transparent customer experience. Eligible parts purchased directly from our website are covered by a 2-Year Limited Warranty, giving you added confidence in your purchase. Learn More

Product Overview

The JSK37USD-A9PK24 is a genuine JOST fifth wheel air slide assembly with left-hand release designed for Class 8 tractors, including specified Kenworth, Peterbilt, Freightliner, International, and Volvo applications. This coupling assembly connects the tractor to a compatible semitrailer and uses an air-actuated sliding mechanism to adjust the fifth wheel position along the mounting system.Β 

Product Features

The JSK37USD-A9PK24 fifth wheel air slide assembly is manufactured to JOST factory specifications for tractor-trailer coupling and sliding adjustment:

  • Features a left-hand air slide release configuration for operating the fifth wheel sliding mechanism.
  • Constructed from heavy-duty steel for use in Class 8 tractor coupling applications.
  • Uses an air-actuated slider to adjust fifth wheel position along the mounting assembly.
  • Provides a mechanical coupling connection between the tractor and a compatible semitrailer.
  • Designed for linehaul and vocational Class 8 tractors with compatible fifth wheel mounting arrangements.
  • Configured for specified Kenworth, Peterbilt, Freightliner, International, and Volvo tractor applications

Technical Specifications

Condition New
Part Number JSK37USD-A9PK24
Brand JOST
Part Type Fifth Wheel Air Slide Assembly
Vehicle Kenworth T680, T800, W900; Peterbilt 579, 389; Freightliner Cascadia, Coronado; International LT, ProStar; Volvo VNL Series
Release Position Left-Hand (LH)
Slider Type Air-Actuated
Material Heavy-Duty Steel
Application Class 8 Linehaul and Vocational Tractors


Installation Notes

The JSK37USD-A9PK24 fifth wheel air slide assembly is designed for installation on compatible Class 8 tractor mounting systems with pneumatic slider controls. Verify mounting dimensions, air line connections, left-hand release configuration, and the vehicle's coupling requirements before installation.

Always confirm the tractor frame mounting configuration, fifth wheel height, and coupling compatibility before installation and operation.