Unlock peak fifth‑wheel performance with the Automann KP6000KSP spring kit—a direct replacement for Fontaine's 6000/7000/7000CC series (No Slack NT). Expertly engineered for smooth, reliable coupling and uncoupling, this kit is essential for maintaining safe and efficient trailer connections.
Direct OEM replacement for Fontaine KITSPRING / KIT‑SPRING—fully compatible with Fontaine 6000, 7000, 7000CC series fifth wheels
Perfect fit for major OEM brands including Freightliner, Mack (#3065‑KITSPRING), Navistar, and Midwest—thanks to extensive cross-referencing
Triple-spring assembly includes:
KP181 Handle Spring
KP183 Timer Spring
KP190 Bumper Spring
Restores smooth engagement, latch reliability, and eliminates slack in the No Slack NT fifth-wheel system
| Component | Function |
|---|---|
| KP181 Handle Spring | Ensures firm coupling action |
| KP183 Timer Spring | Regulates auto‑timed release |
| KP190 Bumper Spring | Cushions latch engagement |
UPC: 889626248313
Manufacturer SKU/Part #: KP6000KSP
Weight: ~1.15 lb (per Sadler Power Train)
Warranty: 1‑year limited coverage on materials & workmanship
| Brand/Category | OEM Part # |
|---|---|
| Fontaine | KITSPRING / KIT‑SPRING |
| Mack | 3065‑KITSPRING |
| Freightliner | FON KIT SPRING |
| Midwest | FW KIT‑SPRING |
| Navistar | KITSPRING |
| Automann | ATMKP6000KSP (alt.) |
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