Tailgate Check Cable

What Is a Tailgate Check Cable?

A tailgate check cable is a simple but essential component of your truck's tailgate system. When you lower the tailgate, these cables — typically one on each side — extend taut to act as a built-in limiter, preventing the tailgate from dropping too far and placing excess stress on its hinges. Think of them as the safety straps that hold your tailgate at a level, usable position while you load and unload cargo.

Without a functioning check cable, a lowered tailgate can swing too far down, potentially damaging the hinge assembly, the tailgate itself, or even the vehicle's body panels. In a worst-case scenario, a failed cable can allow the tailgate to drop completely while in motion, creating a serious road hazard. For a component that sees repeated use on work trucks, off-road rigs, and everyday haulers alike, the check cable takes considerable wear and tear over the life of the vehicle.

Signs Your Tailgate Check Cable Needs Replacing

Tailgate check cables are often overlooked during routine maintenance, but a few telltale signs indicate it's time to inspect or replace them:

• Sagging tailgate: If your tailgate drops lower than it should when opened, one or both cables may be stretched or broken.
• Visible fraying or corrosion: Exposed cables are susceptible to rust and fraying, especially in regions that use road salt in winter.
• Loose or detached cable end: The cable attaches to brackets on the tailgate and the truck body — a failed end fitting means the cable is no longer doing its job.
• Difficulty closing the tailgate: A kinked or improperly tensioned cable can interfere with smooth tailgate operation.

What to Look for When Shopping

Tailgate check cables are highly vehicle-specific, so it's critical to verify fitment before purchasing. Key factors to consider include the cable length, end fitting style, and the mounting hardware included with the part. OEM-specification cables are generally the safest bet for a direct, hassle-free replacement, as they are engineered to match the exact geometry and load ratings of the original equipment. Aftermarket options may also be available, but always confirm they meet or exceed the original specifications.

Installation is typically straightforward — most cables clip or bolt into place without specialized tools — making this a practical DIY repair for truck owners of any skill level.

Top Brands for Tailgate Check Cables

When it comes to sourcing a reliable tailgate check cable, brand matters. Mopar Performance is the go-to choice for Chrysler, Dodge, Ram, and Jeep truck owners. As the factory parts arm of Stellantis, Mopar delivers OEM-grade components engineered to the exact tolerances of the original build — ensuring a fit and function that matches what rolled off the assembly line. For owners who want a replacement that requires zero guesswork, Mopar Performance tailgate check cables are the definitive choice.