PARTCRAFT STEER M-100 Steering Gear Part No: 4037

The 4037 STEER M-100 steering gear is a heavy-duty steering gearbox engineered for commercial trucks that face tough operating conditions, including heavy loads, long trips, and rough terrain. Its durable cast housing, hardened internal gears, and robust bearings work together to deliver smooth, stable steering control even under stress. The gearbox reduces steering effort, improves alignment stability, and helps extend the life of adjacent steering and suspension components. Whether replacing worn steering gear or upgrading an older system, 4037 offers dependable steering performance and reliability. Wofford Truck Parts supplies the M-100 pre-tested and ready for installation, providing fleets and owner-operators a trusted solution to maintain control and safety on the road.