Used 1991 Meritor/Rockwell RS21-230 (Stock #21-177-3)

Differentials & Differential Parts / Rear Rears (Tandem Rear or Single)
Truck Year
1991
Differential Make (Rear)
Meritor/Rockwell
Differential Model (Rear)
RS21-230
Truck Make
Ford

Rockwell 21,000 lb rated 2speed , with a ratio of 7.17 and 10.00 gas ratio . Can be sold as a...