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

Get your Jeep Gladiator JT ready to venture off the beaten path with bigger, heavier off-road tires and you’ll need larger ring and pinion gearing to match. Dana 44™ AdvanTEK® axles can help you avoid premature part wear and handle higher torque loads, and Dana offers convenient bundles so you can complete the job and hit the trails. The resources found at SpicerParts.com/Calculators can also help you figure out just what you’ll need.

Gearing Bundle

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

Spicer® Ring & Pinion Upgrade Bundles for 2020 and Newer Jeep® Gladiator JT with Dana 44™ AdvanTEK® Axles

Spicer® Bundle for the Gladiator® JT 3.73 ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 44™ AdvanTEK® Front 10046055
Master Overhaul Kit Dana 44™ AdvanTEK® Front 10040469
Spicer® Ring & Pinion Dana 44™ AdvanTEK® Rear 10062017
Master Overhaul Kit Dana 44™ AdvanTEK® Rear 10040478

Spicer® Bundle for the Gladiator® JT 4.56 ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 44™ AdvanTEK® Front 10050939
Master Overhaul Kit Dana 44™ AdvanTEK® Front 10040469
Spicer® Ring & Pinion Dana 44™ AdvanTEK® Rear 10067141
Master Overhaul Kit Dana 44™ AdvanTEK® Rear 10040478

Spicer® Bundle for the Gladiator® JT 5.13 ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 44™ AdvanTEK® Front 10051004
Master Overhaul Kit Dana 44™ AdvanTEK® Front 10040469
Spicer® Ring & Pinion Dana 44™ AdvanTEK® Rear 10067157
Master Overhaul Kit Dana 44™ AdvanTEK® Rear 10040478

Spicer® Bundle for the Gladiator® JT 4.10 ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 44™ AdvanTEK® Front 10006435
Master Overhaul Kit Dana 44™ AdvanTEK® Front 10040469
Spicer® Ring & Pinion Dana 44™ AdvanTEK® Rear 10062033
Master Overhaul Kit Dana 44™ AdvanTEK® Rear 10040478

Spicer® Bundle for the Gladiator® JT 4.88 Ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 44™ AdvanTEK® Front 10051746
Master Overhaul Kit Dana 44™ AdvanTEK® Front 10040469
Spicer® Ring & Pinion Dana 44™ AdvanTEK® Rear 10073110
Master Overhaul Kit Dana 44™ AdvanTEK® Rear 10040478

Spicer® Bundle for the Gladiator® JT 5.38 Ratio

Description Axle Model Spicer Part #
Spicer® Ring & Pinion Dana 44™ AdvanTEK® Front 10050979
Master Overhaul Kit Dana 44™ AdvanTEK® Front 10040469
Spicer® Ring & Pinion Dana 44™ AdvanTEK® Rear 10067204
Master Overhaul Kit Dana 44™ AdvanTEK® Rear 10040478

Watch Dana Aftermarket Engineering Manager Zack Heisey go through a Ring and Pinion Gear Swap for the Jeep® Wrangler® JL in this episode of Dana Crate Axle Garage.

Front and Rear Axle Components for Jeep® Gladiator® JT

Spicer® FRONT Axle Components for Dana 44™ AdvanTEK® Axles on the Jeep® Gladiator® JT

Description Spicer Part #
RTV Sealant (2.8 oz.) 38615
Friction Modifier/POSI Additive 43161
Inner Pinion Bearing Kit 10071953
Outer Pinion Bearing Kit 10040461
Pinion Shim Kit 10040475
Differential Bearing Kit 10071915
Differential Bearing Shim Kit 10040476
Collapsible Spacer 10008364
Pinion Nut 2009625
Ring Gear Bolts 10008806
Ring Gear Bolts - 10 pk. 10040474
Pinion Oil Seal 10010013
Carrier Cover Bolts 10050881
Carrier Cover Bolts - 12 pk. 10062575
Axle Shaft Nut 2008564
Axle Shaft Snap Ring 10025587
Axle Shaft Tube Guide 10019730
Axle Shaft Deflector 10062341
FAD Removal Spacer Kit 10045078
Companion Flange Assy. 10009588
Transfer Case End Yoke (1310 Series) 10016266* 
Transfer Case End Yoke (1350 Series) 10016268*

Spicer® REAR Axle Components for Dana 44™ AdvanTEK® Axles on the Jeep® Gladiator® JT

Description Spicer Part #
RTV Sealant (2.8 oz.) 38615
Friction Modifier/POSI Additive 43161
Inner Pinion Bearing Kit 10071953
Outer Pinion Bearing Kit 2014578-2
Pinion Bearing Shim Kit 10040475
Differential Bearing Kit 10071915
Differential Bearing Shim Kit 10040476
Collapsible Spacer 10008361
Pinion Seal 10039487
Companion Flange 10020110
Pinion Nut 2009625
Transfer Case End Yoke (1310 Series) 10016266* 
Transfer Case End Yoke (1350 Series) 10016268* 
Differential Cover Bolts 10050881
Ring Gear Bolts 10008806
Ring Gear Bolts - 10 pk. 10040474
Wheel Bearing Retainer - Narrow Track 10032011
Wheel Bearing Retainer - Wide Track 10032012
Wheel Bearing Assy. 565903-1
Outboard Axle Shaft Seal 10026762
Axle Shaft Bolt 10047625

Jeep® Gladiator® JT Torque Specifications

Model Pinion Bearing Preload (Inch/Lbs) Backlash (.001 Inch) Ring Gear Bolt Torque (Foot/Lbs) Bearing Cap Torque (Foot/Lbs)
Dana 44 JL Front 15-20 6-10 135 70
Dana 44 JL Rear 14-19 6-10 135 70