Nitro Master Install Kit, 186mm for Jeep Wrangler JL 2018-2021

Price $242.22
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AdvanTEK 186mm Jeep Wrangler JL Nitro Front Master Install Kit

Recommended: 3 quarts of Nitro Synthetic Plus Gear Lube

Kit Contents:

Front Pinion Seal X1

Inner Pinion Bearing & Race X1

Outer Pinion Bearing & Race X1

Carrier Brearings X2

Carrier Shim Kit X1

Pinion Depth shim Kit X1

Crush Sleeve X1

Pinion Nut X1

Front Pinion Baffle X1

Front Outer Pinion Slinger X1

Ring Gear Bolts X10

Marking Compound x1

Brush x1

Loctite x1

The kits assembled by Nitro Gear & Axle only use the highest quality bearings available from Timken & Koyo. Nitro Gear & Axle does not use any cheap Chinese bearings. By using only Timken & Koyo bearings just like all of the OEM vehicle manufacturers you can be assured that your differential will be reliable, durable, & quiet for years to come.

Nitro Gear & Axle strives to provide the highest quality differential components available. We take the steps necessary to ensure our parts are dependable. Our product range is continually growing to meet the needs of consumers for new ratios and Fits. At Nitro we know differentials, and know what it takes to provide you with high quality components.

"The Spicer and AdvanTEK Trademarks referred to herein are trademarks of Dana Limited. The Spicer and AdvanTEK trademarks are used for informational purposes only, and there is no connection between Nitro Gear & Axle or JT's Parts & Accessories and Dana."


Differential: AdvanTEK 186mm

Ring Gear Bolts: Not included

Manufacturer: Nitro Gear & Axle


2018 & Newer Jeep Wrangler JL


*All Nitro Gear & Axle brand products are warrantied to be free of manufacturer defects for the specified period. Warranty requests must be made by the original purchaser and submitted by the dealer purchased from. Any parts sent for warranty consideration must be pre-approved and shipped prepaid freight to our facility with copy of RGA for our inspection & determination. We will not pay for labor, shipping cost, loss of revenue or perishable goods, commercial losses, costs of telephone calls, shipping or general inconvenience. This is our only warranty expressed or implied. Unauthorized warranty returns may be refused. Warranty generally covers MFG defects in material or workmanship. Abuse, overloading, improper lubrication, misuse, commercial or competition use voids warranty. Normal characteristics are not warrantable, such as Gear whine. Minor cosmetic flaws, dings, burrs from shipping or manufacturing, are not considered defect, it is installer responsibility to address these at time of install. Customer is responsible for shipping charges if warranty is granted. Warranty is for the original purchaser/user, is not transferable. Warranty covers one replacement or credit solely at our discretion. Warranty determinations are at our sole discretion.

In addition to the above conditions, see special notes for these products:

Ring & Pinion - Warrantied against manufacturing defects. 2 years from date of purchase. Must provide set-up specs.

Chromoly front Axles, Excalibur Joints, 30/30 Birfield kits - Warrantied against manufacturing defects for the life of the vehicle. These products are also covered for Breakage. The Shaft / joint must be BROKEN. Wear, twisting, bending are not warrantable. Damages caused by failure of other parts are not warrantable, for example broken U-joint (other than Nitro Excalibur) causing damage to Axle ears.

Rear Chromoly Axles - Warrantied against manufacturing defects for 5 years. These products are also covered for Breakage. The Shaft must be BROKEN. Worn, twisted, or bent axles are not warrantable.


This product can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to:


Box Weight: 6 lb

Box Dimensions: 1 x 1 x 1 in

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