Gear Set Service

The CCC PARTS TDAA401781529 Gear Set Service (cross-ref Meritor A40178-1-529 / A401781529) provides a precision-matched ring gear and pinion for rear differential rebuilds. Designed to OEM tooth geometry and hardness, it helps re-establish correct contact pattern, limiting vibration, heat build-up, and premature wear after overhaul. This 5.29 ratio set is commonly specified for Meritor SSHD forward rear axle applications. Available through Wofford Truck Parts.

CCC PARTS Part No: TDAA401781529

$829.94

Specifications

For demanding driveline repairs, TDAA401781529 from CCC PARTS is an OEM-equivalent Meritor service gear set referenced as A40178-1-529. It includes a matched ring (37 teeth) and pinion (7 teeth) delivering a 5.29 ratio, ideal for restoring factory gearing in Meritor SSHD axle families. Accurate tooth profiles support quiet running and proper load carry when backlash and pattern are set to spec. Built for heavy highway and vocational service, and sold by Wofford Truck Parts for dependable fleet support.

Weight

70.2