Fifth Wheel Spring Kit 1-KP181 1-KP183 1-KP190 Fit for Fontaine No Slack NT 6000

Fifth Wheel Spring Kit for Fontaine No Slack NT 6000

This fifth wheel spring kit includes replacement springs for the No Slack NT 6000 fifth wheel coupling system, restoring proper tension and secure locking action. It is designed for Fontaine No Slack NT 6000 fifth wheels and references OEM cross-reference numbers 1-KP181, 1-KP183, and 1-KP190.

Overview

This fifth wheel spring kit provides the essential replacement springs needed to maintain the reliable locking mechanism of a No Slack NT 6000 fifth wheel. The kit is engineered for the Fontaine No Slack NT 6000 series, ensuring the jaw assembly stays firmly engaged during operation. It is a direct service part for fleet maintenance and over-the-road trucking applications, keeping the fifth wheel functioning safely.

Built For Performance

• Includes multiple spring components for a complete renewal of the locking mechanism tension
• Engineered to meet the operational load requirements of the No Slack NT 6000 series
• Replaces worn springs that can cause slack or jaw release issues
• Constructed from durable spring steel for long service life under heavy use
• Supports consistent locking engagement for safer coupling and uncoupling

Fits These Machines

• for Fontaine No Slack NT 6000

On-The-Job Use

• Used during routine maintenance of Class 8 truck fifth wheels to restore proper jaw tension
• Ideal for repair shops servicing over-the-road trailers and tractors
• Commonly installed when a fifth wheel shows signs of excessive slack or locking failure

Specs At A Glance

Good To Know

Q: What does this fifth wheel spring kit do? A: It supplies the springs that tension the locking jaws in a No Slack NT 6000 fifth wheel, keeping the kingpin securely held during transit. Replacing worn springs prevents coupling failures.

Q: How do I know if this fits my fifth wheel? A: Verify your fifth wheel model is a Fontaine No Slack NT 6000 and check the existing part numbers against 1-KP181, 1-KP183, or 1-KP190. Serial number variations can affect fit, so confirm before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.