Shims & Pins
A towbar shim kit is an anti-rattle solution designed to eliminate noise, clunking, and excessive play between your towbar receiver and the ball mount or tongue.
These kits typically consist of multiple stainless steel plates of varying thicknesses, inserted into the receiver hitch to ensure a snug fit.
Couplemate Stainless Towbar Anti-Rattle 4 Pcs Shim Kit
Designed and manufactured in Australia, this kit is highly rated by users for its quiet towing experience.
- Composition: 4 stainless steel pieces, allowing for various combinations to find the perfect fit for your specific receiver and tow bar.
- Suitability: Compatible with various heavy-duty tow bar receivers, including 3.5t and 4.5t capacity hitches.
- Installation: Can be completed in under five minutes with basic tools, including pliers and a hammer, for bending the plate.
Installation & Usage Tips
- Material: Always choose a kit made from high-quality stainless steel to ensure durability and prevent rust, as cheaper copies may use inferior materials.
- Fit: Use as many shims as needed to achieve a snug fit, but do not force the ball mount into the receiver. The goal is to eliminate excessive play, not create an overly tight, immovable connection that could cause stress on components.
- Safety: The shim kit is an anti-rattle device, not a structural component. Always ensure all tow bar components, including the hitch pin and clip, are correctly installed and tightened before towing.



