Welcome to BJ's Gears

•                BJ's Differentials

• Used Differentials • Rebuilt Differentials • Premium Rebuilt Differentials

• Eaton
  International
  Rockwell
  Spicer
  and more!

• 30-Day Warranty on our Used Differentials:
  As with all our used parts, the differentials are thoroughly checked. We remove the power divider and look over the front differentials. Each unit is checked for excessive wear and backlash. Our differentials, front or rear end are good units at budget prices.
  180-Day Warranty on our Rebuilt Differentials:
  Using aftermarket parts instead of genuine parts allows us to offer our rebuilt differential at a lower price while still providing you with a durable product of high quality. We rebuild them with the same attention to detail as our premium units.
  1-Year Warranty on our Premium Rebuilt Differentials:
  Using only "genuine" in our premium rebuilt differential assures you that a Rockwell differential has Rockwell replacement parts. We completely check out each unit, disassembling it and rebuilding it with new bearings and seals. If other parts do not meet our exacting standards they are replaced with new gears. Our premium differential is a reliable product that will provide you good service.
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  For detailed information about parts, please call (916) 372-3518
•                    BJ's Gears Enterprises Inc