4.88 Ratio Differential Ring and Pinion for 7.125 (Inch) (10 Bolt)
Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer our ring and pinions for easy setup, superior strength, quality, and our vast ratio selection. Motive Gear produces the industry's widest range of OEM replacement ring and pinions. Engineered to the highest standards, every Motive Gear product goes through rigid quality control processes in our in-house lab. In combination with Motive Gear's performance and axle divisions: Motive Gear Performance and TEN Factory, there simply isn't a better value in drivetrain components.
D30-488RJK Application Notes
Warranty
1 Year or 50,000 Miles
D30-488RJK Specifications
Cover Bolt Quantity
10
Differential Carrier Break
3.73 Ratio and Higher
Differential Case Design Type
Dana AdvanTEK M186, Dana 30 JK Reverse, Dana 30 JL Reverse
Pinion Gear Tooth Quantity
8
Pinion Shaft Diameter
1.376 (Inch)
Pinion Spline Count
24
Ring & Pinion Gear Ratio
4.88
Ring Gear Bolt Quantity
10
Ring Gear Diameter
7.125 (Inch)
Ring Gear Material
8620 Steel
Ring Gear Rotation
Reverse
Ring Gear Tooth Quantity
39
Taxonomy A
LD Differential, LD Differential, LD Differential, LD Differential, LD Differential
Taxonomy B
Ring and Pinion, Ring and Pinion, Ring and Pinion, Ring and Pinion, Ring and Pinion
Taxonomy C
Dana AdvanTEK M186, Dana 30 JK Reverse, Dana 30 JL Reverse, Dana AdvanTEK M186, Dana 30 JK Reverse, Dana 30 JL Reverse, Dana AdvanTEK M186, Dana 30 JK Reverse, Dana 30 JL Reverse, Dana AdvanTEK M186, Dana 30 JK Reverse, Dana 30 JL Reverse, Dana AdvanTEK M186, Dana 30 JK Reverse, Dana 30 JL Reverse
Taxonomy D
Front, Front, Front, Front, Front
Vehicle Applications
-
2007 – 2011 Dodge Nitro
Application notes:
- For Dana 30
- 4.88 Ratio
- 3.73 Ratio Carrier and Higher
-
2008 – 2012 Jeep Liberty
Application notes:
- For Dana 30
- 4.88 Ratio
- 3.73 Ratio Carrier and Higher
-
2007 – 2020 Jeep Wrangler
Application notes:
- For Dana 30
- 4.88 Ratio
- 3.73 Ratio Carrier and Higher
-
2021 Jeep Wrangler
Application notes:
- For Dana 30 JL
- 4.88 Ratio
- Requires a 3.73 and Numerically Higher Ratio Carrier
