Are your semi truck's worn-out king pins causing uneven tire wear, a shaking front end, and dangerous driving conditions? Don't compromise on safety. Upgrade to the Steer King Pin Qwik Kit by FleetRun, designed specifically for Volvo and Mack trucks with FXL axles.
With cross-reference part numbers including Stemco / Kaiser K536M, Volvo 85108338, Meritor R201338/R202035, Mack 301SQ53, and more, our kit includes everything you need for a complete replacement job on both sides. The kit breakdown includes 2x king pins, nut retainers, upper and lower covers, sealing rings, bushings, bearings, and a shim kit.
Our king pins are 8.82 inches in length with a bottom diameter of 62mm, featuring a heavy-duty design and upgraded bushing thickness for enhanced durability. The top diameter is 40mm, with a threaded M40x1.5 thread and a spindle bore diameter of 2.55-2.56 inches. The pin type is tapered and the bushing type is spiral/quick thread, eliminating the need for reaming or honing during installation.
Say goodbye to uneven tire wear, front-end shaking, and unsafe driving conditions with our Steer King Pin Qwik Kit. Trust in FleetRun for reliable and high-quality replacement parts for your Volvo or Mack truck. Upgrade your steering performance and ensure a smooth and safe ride on the road. Installation instructions and FAQs are available for your convenience. Visit our Shop Talk page for additional tips and troubleshooting from our experienced technicians and shops. Don't wait, invest in the safety of your truck today!
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- Installation Instructions
What can cause uneven tire wear, even after doing alignment?
One possible cause of uneven tire wear on the steer axle, even if the alignment is correct, could be worn-out king pins. King pins play a crucial role in the steering system of a vehicle, and when they become worn or damaged, they can result in uneven tire wear, shaking front end, and other dangerous driving conditions. Replacing the king pins with high-quality replacement parts, such as the Steer King Pin Qwik Kit by FleetRun, designed specifically for Volvo and Mack trucks, can help resolve this issue and ensure a smooth and safe ride on the road.