GMC Yukon XL Differentials

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

• Design type: spring loaded; multi-lip
• Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
• Excellent high temperature capabilities
• Compatible with wide range of fluids
• Delivers quality and reliable performance for every type of repair

The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

Product Features:

• Fits GM 10.5″ 14 bolt truck
• 4.10 ratio and down only
• Clutch style positraction
• Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
• Fully rebuildable
• Assembled in the USA

The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to one ton applications including Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:

• Carrier bearing puller
• Works with an impact gun to safely and easliy remove carrrier bearings

Product Features:

• GM9.5″ INTERNAL KIT (OPEN) 33 SPL. FRONT & REAR

This differential housing is a direct replacement for an original unit that has failed due to impact, normal wear, insufficient lubrication, or damaged internal components. It is made of durable materials for reliable service.

Product Features:

• Ideal solution – this differential housing is a direct replacement for an original unit that has failed due to impact, normal wear, insufficient lubrication or damaged internal components
• Exact fit – matches the fit, function and performance of the original differential housing on specified vehicles
• Durable construction – the housing and its internal components are made from quality materials to ensure reliable performance and long service life
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Differential

14T pinion gear Thrust washer.

Product Features:

• Pinion gear thrust washer
• Fits GM 10.5″ 14 bolt truck

Pinion nut for GM 7.6″ IRS, 8.6″ IRS and some Ford 9.75″, Check threads for proper fit before before installing. 22mm x 1.5mm, Uses 32mm socket.

Product Features:

• Pinion nut for GM 7.6″ IRS and 8.6″ IRS and some Ford 9.75″
• 22mm x 1.5 thread
• 32mm socket

Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty. This is a thick gear for a 4.10 & down carrier.

Product Features:

• Fits GM 10.5″ GM 14 bolt truck
• 10.50″ ring gear diameter
• 30 spline pinion
• 12 ring gear bolts
• 5.13 ratio
• Thick gear set for 4.11 and down carrier

Bearing race driver. No return.

Product Features:

• Bearing race driver
• Fits LM104911 race
• All steel construction

Eaton positraction shim kit for GM 14T.

Product Features:

• Shim kit
• Fits GM 10.5″ 14 bolt truck Eaton positraction

We’ve squeezed innovation into every ounce of Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil, the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Our unique new flexible pouch makes getting into the tightest places to lubricate gears easier than ever and with less waste. The superior detergent package-based formulation contains fully synthetic basestocks and special additives that help protect parts from rust and corrosion while providing exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity, wear resistance additives that assist in protecting gear teeth, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance.

Product Features:

• FLEXIBLE POUCH FOR EASIER USE WITH LESS WASTE in tight, hard to reach undercarriage situations.
• EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -30F to 300F degrees for dependable coverage year-round
• REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
• MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4 or MT-1 fluid
• MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Mack GO-H and GO-J; API GL-5 and API MT-1; MIL-PRF-2105E; and SAE J2360

Crush sleeve eliminator kit for GM 10.5″ 14 bolt truck. This kit contains a solid spacer & shim kit to eliminate the crush sleeve and set pinion bearing preload.

Product Features:

• Crush sleeve eliminator kit for GM 10.5″ 14 bolt truck

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:

• PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
• SMOOTH ROTATION – Crowned raceways for even load distribution
• OE-STYLE DESIGN – Engineered to meet OE specifications
• COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
• RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), Thread locking compound, marking compound with brush, and gasket. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application. This kit does not include ring gear bolts.

Product Features:

• Fits 1998 and up GM 10.5″ 14 bolt truck
• Included are Timken bearings and races, pinion bearings and races, pilot bearing, pinion seal, complete shim kit, pinion nut, crush sleeve , thread locker, marking compound with brush, and gasket.

This differential carrier bearing adjuster is designed to match the performance of an original equipment bearing adjuster on specified vehicle makes, models and years. It is engineered to help ensure that the preload on the carrier bearings can be adjusted accurately and that the bearings are correctly compressed so the differential operates properly with minimal noise and wear. This adjuster is manufactured to exacting specifications to reliably replace a factory bearing adjuster that is damaged or requires replacement when the differential is serviced.

Product Features:

Product Features:
• Direct replacement – this differential carrier bearing adjuster is designed to match the performance of an original equipment bearing adjuster on specified vehicle makes, models and years
• Ideal solution – manufactured to exacting specifications to reliably replace a factory bearing adjuster that is damaged or requires replacement when the differential is serviced
• Restores function – engineered to help ensure that the preload on the carrier bearings can be adjusted accurately and that the bearings are correctly compressed so the differential operates properly
• Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

High-quality Differential Component Shim

Product Features:

• SHIM KIT FITS-8.25-F7.5-AMC20-GM0

10.5″ GM 14 bolt truck ring gear bolt 4.56 & up. 9/16″ x 18. 2.522″ overall length.

Product Features:

• Ring gear bolt for GM 10.5″ 14 bolt truck
• 4.56 and up ratio
• 1/2″ x 18 thread
• 2.522″ overall length

Axle Housing Cover Gasket

Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a 10 year warranty against manufacturing defects. This axle has 33 spline, is 34 5/8″ long & has 6 lugs.

Product Features:

• Fits 2014 and up GM 9.5 & 9.76 with 12 bolt ring gear
• 34 5/8″ long
• 33 spline
• 1.620″ bearing journal

Value-priced bearing meets all cataloged application requirements.

Product Features:

• Brand may vary by location

Ensure a leak-free repair when servicing a differential. This differential gasket is a direct replacement for the original gasket and should be replaced every time work is performed on the differential housing.

Product Features:

• Ideal replacement – this differential directly replaces the original gasket
• Required for routine service – this gasket should be replaced every time work is performed on the differential housing
• Durable construction – this differential gasket is made of durable materials for leak-free performance
• Quality tested – this gasket has been tested for a guaranteed fit

10.5″ GM 14 bolt truck pinion nut. 1 1/2″ socket, 15/16″ x 16 thread.

Product Features:

• Pinion nut for GM 10.5″ 14 bolt truck
• 15/16″ x 16 thread
• 1.5″ socket

14T cover gasket.

Product Features:

• Cover gasket
• Fits GM 10.5″ 14 bolt truck