Alloy USA Dana 30 XJ/YJ Reverse 3.73 Ratio Ring and Pinion - D30373R

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  • Alloy USA | Part Number: ALYD30373R
  • Popular Axle Manufacture:Dana
  • Axle Location:Front
  • Axle Type:Dana 30 Reverse
  • Fitment:Universal Fit
  • Gear Ratio:3.73


These affordable high strength gears from Alloy USA come in all popular sizes the satisfy every modified vehicles gearing needs. Oversize tires require a higher ratio ring and pinion to restore the lost power caused by the larger tires. All Alloy USA gears are forged from high quality 8640 steel and machined on precision Gleason Machines for accuracy and easy set up.

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Question & Answers

2 Answered questions

Q: Hello, I have a 1991 Jeep Wrangler YJ, manual 5 speed, l6 4.0L, with the 3.07:1 Dana 30 front differential. Will this ring and pinion gear fit in that case? Thank you Answer this question

A: Hello Les, the Alloy USA Dana 30 XJ/YJ Reverse 3.73 Ratio part# ALYD30373R will require a 3.73 and up carrier. Thank you for your inquiry.

Answered by mikey on 03/01/2015

Q: I can use this ring and pinion on my wrangler sport unlimited 2013 front dana 30 on front? Answer this question

A: Hello No this gear is for the older YJ/XJ Jeeps 1995 and older. The 373's that we do offer are made by Dana and the part number is D/S 2005021-5

Answered by Rody on 01/13/2015


As an Omix-ADA brand, Alloy USA specializes in manufacturing high performance drivetrains, axle shafts and kits and performance ring and pinion sets. The company's 20+ years of experience in aftermarket performance products makes Alloy USA an ally of off-road enthusiasts interested in running heavy-duty components that go the distance. Alloy's replacement parts for Jeep applications have a well-deserved reputation for blending state-of-the-art technology with durability at affordable costs. Among the Alloy USA products 4WD carries are wheel spacers, ring and pinions and installation kits and replacement axle shafts and they are all extremely durable to withstand duress on the trail and to be compatible with oversized tires. Shop Alloy USA Now


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