CCC PARTS Gear Set Service Part No: TDAA385121
$741.64
The CCC PARTS TDAA385121 Gear Set Service (cross-ref Meritor A38512-1 / A385121) supplies a matched ring and pinion for rear differential rebuilds. Built to OEM tooth geometry and heat-treat standards, it helps re-establish proper contact pattern, minimizing vibration and premature wear after an axle overhaul. This 3.70 ratio set is specified for Meritor LR100 and QR100 axle families and is ideal for fleet maintenance. Available from Wofford Truck Parts.
Specifications
For heavy-duty drive-axle repairs, TDAA385121 from CCC PARTS is an OEM-equivalent Meritor differential service gear set. Cross-referenced to A38512-1, it includes a precision-matched ring gear (37 teeth) and pinion (10 teeth) to deliver a 3.70 ratio in Meritor LR100/QR100 axles. Correct setup restores smooth torque distribution, quiet operation, and long gear life. Manufactured to maintain OEM backlash and contact targets when installed to spec. Sold by Wofford Truck Parts for reliable fleet support.
Weight
51.7
Compatibility
Trucks equipped with Meritor LR100 drive axles, 3.70 ratio
Trucks equipped with Meritor QR100 drive axles, 3.70 ratio
Trucks equipped with Meritor QR100 drive axles, 3.70 ratio
Alternative Part Numbers
- A-38512-1
- A38512-1
- A385121
- VTC-208A
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