Fifth Wheels
JSK37F – Fontaine Replacement
JSK37F
Replacement
Top Plate
JOST is dedicated to making change easy. Replace old, worn-out Fontaine top plates with the new JOST JSK37F top plate model. Rebuild in just 30 minutes for a brand-new JOST top plate with top-of-the-line safety features. JOST will extend a new five-year warranty with your new JOST top plate, and we will warrant any unused coverage remaining on your current bracket.
Replacement top plate - Fontaine Models
Replaces “F” Models:*
- 5000, 6000 & 7000
- 5092 & H5092
Replaces Kits:
- KIT-RPR-5092L
- KIT-RPR-7000
*Is not compatible with the 7″ LWS Series Sliders.
Please Note: Installing your JSK37F fifth wheel top plate will raise the installed fifth wheel height by 5/16″.
Download the jost fifth wheel catalog
A comprehensive look into each of the JOST fifth wheel products.
Interested in jost fifth wheel products?
Use our dealer locator tool to find a certified parts dealer near you.
Request Info
Looking for more information? Have a question about a product or part? Fill out the form to submit your request.
Warranty Statements
Claims should be filed with JOST or any authorized sales or service outlet within 60 days of product failure.
Support Help
Have a question you’d like to talk to us about? We’re here to help. Just let us know what you’re looking for.
JOST International is a world market leader for the commercial trucking industry. As a pioneer of efficient, safe, and innovative systems for trucks and trailers, we proudly supply fifth wheel couplings, trailer landing gear, kingpins, turntables, and more.
JOST International - Member of JOST-World