Brand: EXCEL from Richmond
JK NON-RUB DANA 30F/44R 4.88
App/Model: Dana 30 JK Reverse|Dana 44 JK
California Proposition 65: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
Cover Bolt Quantity: 10
Differential Carrier Break: 3.73 Ratio and Higher
Differential Model: Dana 30 JK Reverse|Dana 44 JK
Gear Ratio: 4.88
Pinion Gear Tooth Quantity: 8
Pinion Shaft Diameter: 1.376 Inch
Pinion Spline Count: 24
Ring Gear Bolt Quantity: 10
Ring Gear Material: 8620 Steel
Ring Gear Outside Diameter: 7.12 Front (D30488FJK)|8.5 Rear (D44488JK) Inch
Ring Gear Rotation: Reverse Front (D30488FJK)|Standard Rear (D44488JK)
Ring Gear Tooth Quantity: 39
Taxonomy A: LD Differential
Taxonomy B: Ring and Pinion Gear Packages
Taxonomy C: Front and Rear
Taxonomy D: 4.88
For Dana 30 Front and Dana 44 Rear – Ring and Pinions Including Timken Bearing Kits; For JK; 4.88 Ratio; Requires 3.73 and Higher Carrier; If Currently Using A 3.21 Ratio You Will Need To Purchase A New Front Carrier

Installation Instructions

Warranty Period: 1 Year or 50,000 Miles

Replaces:

• Revolution Gear & Axle: REV-JK-NON-488-K

Applications:

• 2007-2018 Jeep Wrangler