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Pinion. Gear. Ring. A differential Ring Gear and Pinion. Ring Gear 12.40". AND. AND Assembly. AND Assembly - Driving.
Fits F-350 Super DutyF350 Super Duty; 12.40 Axle; 4.10 Ratio. F450 Super Duty; 12.40 Axle; 4.10 Ratio. F550 Super Duty; 12.40 Axle; 4.10 Ratio.
Bill Currie Ford
5815 North Dale Mabry Highway, Tampa, FL, 33614
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