QU42171 4.10 & Down 32 Spline Powr-Lok Diff for Dodge Dana 70, 71 Rear

QU42171 Dana Fast Ratio (4.10 & Down) 32 Spline Powr-Lok Differential for Dodge 1981-1984 W250, W350, 1992-2002 Ram 2500, Ram 3500 Dana 70 rear axles with EITHER ABS or non-ABS. Use with 3.31 to 4.10 ratio gears. Also fits 1991-1993 Dodge Dana 71 rear axles with 3.07 gears.

Also See: QU42171U Used 4.10 & down 32 Spline Powr-Lok Differential available while supplies last

Need More Info? Use the handy Links below to access over 40 years of Dan's product and vehicle specific Tech Notes to easily get the information you need for your vehicle's repair, maintenance, or upgrade project!

Dan the Gear Man® Tech Notes:
Tech Help
Matching Parts
Applications

Tech Note 1: Tech Help
When replacing your old differential case with a new one, you will need QT1098 Master Bearings and a dial indicator to determine the new shim pack thicknesses. Service procedures are covered in my TM4400 Pinion and Differential Bearing Service on Dana-Spicer Monobeam Axles.

Tech Note 2: Matching Parts
QU40351 32 Spline Differential Inner Gear Kit
QU40184 Differential Side Bearing Set
S82194 RTV Sealant
S24200 Threadlocker
QU90008 Gear Marking Compound
QU40367 Diff Cover Gasket
QU40343 Differential Cap Retaining Bolt
QT1158 Differential Bearing Installer
QT1098 Differential Master Bearings
QT1032 Differential Case Spreader

Applications
Dodge:
W250, W350 with Dana 70 32-spline rear axles with 4.10 and numerically lower gear ratios: 1981, 1982, 1983, 1984
Ram 2500, Ram 3500 with Dana 70 32-spline rear axles with 4.10 and numerically lower gear ratios: 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
Dana-Spicer Model 71 rear axles with 3.07 gear ratio: 1991, 1992, 1993