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We have made it easy to use Genuine Spicer Parts for your Jeep Gear Swap Upgrade Service

Ring and Pinion As Jeep enthusiasts upgrade their axles to accommodate larger tires, Dana understands the range of parts needed to make that modification successful. That’s why we’ve engineered a range of ring and pinion sets to match these axle ratios.

Ring & Pinion Sets

When it is time to regear your Jeep remember to demand Genuine Spicer Parts

Spicer® Ring & Pinion Upgrade Bundles for 2007-2018 Jeep® Wrangler® JK Rubicon®

Spicer® Bundle for the JK Rubicon® 3.73 Ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 44™ Front 2013742-5
Master Overhaul Kit Dana 44™ Front 2017106
Spicer® Ring & Pinion Dana 44™ Rear 2008688
Master Overhaul Kit Dana 44™ Rear 2010110*

Spicer® Bundle for the JK Rubicon® 4.10 Ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 44™ Front 2005024-5
Master Overhaul Kit Dana 44™ Front 2017106
Spicer® Ring & Pinion Dana 44™ Rear 2007772
Master Overhaul Kit Dana 44™ Rear 2010110*

Spicer® Bundle for the JK Rubicon® 4.56 Ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 44™ Front 2019746
Master Overhaul Kit Dana 44™ Front 2017106
Spicer® Ring & Pinion Dana 44™ Rear 2018737
Master Overhaul Kit Dana 44™ Rear 2010110*

Spicer® Bundle for the JK Rubicon® 4.88 Ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 44™ Front 2019749
Master Overhaul Kit Dana 44™ Front 2017106
Spicer® Ring & Pinion Dana 44™ Rear 2018737
Master Overhaul Kit Dana 44™ Rear 2010110*

Spicer® Bundle for the JK Rubicon® 5.13 Ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 44™ Front 2019752
Master Overhaul Kit Dana 44™ Front 2017106
Spicer® Ring & Pinion Dana 44™ Rear 2018756
Master Overhaul Kit Dana 44™ Rear 2010110*

Spicer® Bundle for the JK Rubicon® 5.38 Ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 44™ Front 10010738
Master Overhaul Kit Dana 44™ Front 2017106
Spicer® Ring & Pinion Dana 44™ Rear 10027182
Master Overhaul Kit Dana 44™ Rear 2010110*

Spicer® Ring & Pinion Upgrade Bundles for 2007-2018 Jeep® Wrangler® JK Non-Rubicon

Spicer® Bundle for the JK NON-Rubicon 3.73 Ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 30™ Front 2005021-5
Master Overhaul Kit Dana 30™ Front 2017378
Spicer® Ring & Pinion Dana 44™ Rear 2008688
Master Overhaul Kit Dana 44™ Rear 2017109*

Spicer® Bundle for the JK NON-Rubicon 4.10 Ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 30™ Front 2005027-5
Master Overhaul Kit Dana 30™ Front 2017378
Spicer® Ring & Pinion Dana 44™ Rear 2007772
Master Overhaul Kit Dana 44™ Rear 2017109*

Spicer® Bundle for the JK NON-Rubicon 4.56 Ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 30™ Front 10026645 
Master Overhaul Kit Dana 30™ Front 2017378
Spicer® Ring & Pinion Dana 44™ Rear 2018737
Master Overhaul Kit Dana 44™ Rear 2017109*

Spicer® Bundle for the JK NON-Rubicon 4.88 Ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 30™ Front 10026639
Master Overhaul Kit Dana 30™ Front 2017378
Spicer® Ring & Pinion Dana 44™ Rear 2018747
Master Overhaul Kit Dana 44™ Rear 2017109*

Spicer® Bundle for the JK NON-Rubicon 5.13 Ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 30™ Front 10026642
Master Overhaul Kit Dana 30™ Front 2017378
Spicer® Ring & Pinion Dana 44™ Rear 2018756
Master Overhaul Kit Dana 44™ Rear 2017109*

*2007 model year required Master Overhaul Kit PN# 2017102
**Non-Rubicon Factory 3.21 Ratio Front Dana 30 requires PN#2010999 Front Differential Carrier

Front and Rear Axle Components for Jeep® Wrangler® JK

Spicer® Front Axle Components for Dana 30™ Axles on the Jeep® Wrangler® JK  

Description Spicer Part #
Friction Modifier/POSI Additive 43161
RTV Sealant (2.8 oz.) 38615
Inner Pinion Bearing Kit 707064X
Baffle - Pinion Oil 48741-3
Collapsible Spacer 50614
Outer Pinion Bearing Kit 706015X
Pinion Bearing Slinger - Outer 2005565
Pinion Oil Seal 2004670
Pinion Nut 44189
Carrier Cover Bolts 34279
Differential Bearing Kit 706016X
Ring Gear Bolt 41221
Companion Flange Assy. - Front Axle 2005008
Transfer Case End Yoke (1310 Series) 10016266**
Axle Shaft Nut 2008564
Axle Seal - Original Design 54381
Axle Seal - Upgraded Design 2013455*
Wheel Hub Assembly 10021363

* New design includes integrated axle guide to reduce seal damage during install and three sealing lips compared to one on the original.
** Replaces OE-Style Companion Flange at Transfer Case

Spicer® REAR Axle Components for Dana 44™ Axles on the Jeep® Wrangler® JK

Description Spicer Part #
RTV Sealant (2.8 oz.) 38615
Friction Modifier/POSI Additive 43161
Inner Pinion Bearing Kit 707064X
Outer Pinion Bearing Kit 706123X
Collapsible Spacer 46925
Pinion Thrust Washer 42737
Pinion Seal 2004101
Companion Flange 2004431
Pinion Nut Washer 30275
Pinion Nut 2001153
T-Case Yoke (1310 - 1/2 Round)* 10016266
Differential Cover Bolts 34279
Differential Bearing Shim Kit 2007294
Ring Gear Bolt-7/16” (15/16” Long) 701125-1X
Ring Gear Bolt-7/16” (3/4” Long) 701071-10
Carrier Case Cross Shaft (Std/Trac-Lok™) 703034
Carrier Case Cross Shaft (Std/Trac-Lok™) 47658
Wheel Bearing Retainer 36797
Wheel Bearing Assy. 565903
Outboard Axle Shaft Seal 52765
Axle Shaft Oil Seal Retainer 2004703
Axle Shaft Bolt 2004789

* Replaces OE-Style Companion Flange

Spicer® FRONT Axle Components for Dana 44™ Axles on the Jeep® Wrangler® JK

Description Spicer Part #
RTV Sealant (2.8 oz.) 38615
Friction Modifier/POSI Additive 43161
Inner Pinion Bearing Kit 707064X
Baffle - Pinion Oil 48741-3
Collapsible Spacer 50614
Outer Pinion Bearing Kit 706015X
Pinion Bearing Slinger - Outer 2005565
Pinion Oil Seal 2004670
Pinion Nut 44189
Carrier Cover Bolts 34279
Differential Bearing Kit 2007293
Differential Bearing Shim Kit 2007294
Companion Flange Assy. - Front Axle 2005008
Transfer Case End Yoke (1310 Series) 10016266**
Axle Shaft Nut 2008564
Axle Seal - Original Design 54381
Axle Seal - Upgraded Design 2013455*
Wheel Hub Assembly 10021363
Ball Joint Kit (Upper/Lower Per Side) 2007354
Upper Ball Joint 2005838
Lower Ball Joint 2011892
Ring Gear Bolt - 10 pk. 2007292

*New design includes integrated axle guide to reduce seal damage during install and three sealing lips compared to one on the original.
**Replaces OE-Style Companion Flange at Transfer Case.

Jeep® Wrangler® JK Torque Specifications

Model Pinion Bearing Preload (Inch/Lbs) Backlash (.001 Inch) Ring Gear Bolt Torque (Foot/Lbs) Bearing Cap Torque (Foot/Lbs)
Dana 30 JK 12-15 6-10 80 60
Dana 44 JK Front 20-30 6-10 135 80
Dana 44 JK Rear 22-35 6-10 135 80