Heavy-Duty 301SQ47E King Pin Repair Kit Premium Steering Axle King Pin Set Fit Mack

This complete 301SQ47E king pin set is a direct OEM replacement repair kit exclusively engineered for Mack heavy-duty trucks, consisting of high-strength forged king pins, durable bronze bushings, rubber oil seals, thrust bearings and all necessary installation hardware, all treated with advanced anti-rust and wear-resistant coating to withstand harsh road conditions, heavy loads, mud and water erosion; it effectively eliminates loose steering, wheel wobble and abnormal front axle noise caused by worn original king pin components, restores precise steering control and driving safety, features precise dimensional matching for bolt-on installation without extra modification, and extends front axle service life to lower long-term fleet maintenance expenses for truck repair shops and logistics operators.