Description
Coats 8183772 Assist Arm / Wheel Lift Cylinder Seal Kit for Coats Tire Changers
This is a replacement assist arm cylinder seal kit for many newer Coats tire changers. The kit includes all necessary rubber seals, piston, O-rings, and shaft seals for a complete rebuild of the assist arm (wheel lift) cylinder. The assist arm cylinder raises and lowers the wheel assist arm on GTS and APX series machines. These cylinders are straightforward to rebuild using basic hand tools. Replace this kit when the cylinder leaks air or loses lifting ability.
Product Information
- Brand / Equipment: Coats Tire Changers
- Manufacturer / Reference Part Number: 8183772, 183772, 8183811, 183811
- Store SKU: COS3811-1
- Component: Assist Arm / Wheel Lift Air Cylinder Seal Kit
- Kit Contents: (2) piston seals, (1) shaft seal, (1) wear band, (2) end cap O-rings – complete cylinder rebuild
- Listed Application: Coats GTS and APX series tire changers – assist arm / wheel lift cylinder
Fitment and Ordering Notes
Listed compatible Coats models: GTS50, GTS60, GTS70, APX80, APX90, TI. Verify your machine model and cylinder application before ordering. Part numbers 8183811/183811 and 8183772/183772 are interchangeable designations for the same kit. Rebuild requires basic hand tools.








