2004 GMC Sierra 3500 Differentials

Pinion nut for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.25″, 8.5″, 8.6″, 9.25″ IFS, 9.5″ & Oldsmobile Dropouts. 1 1/4″ socket, 7/8″ x 14 thread.

Product Features:

• Pinion nut for GM 7.2″, 7.5″, 7.625″, 8.0″, 8.25″ IFS, 8.5″, 8.6″, 9.25″ IFS and 9.5″
• 7/8″ x 14 thread
• 1 1/4″ socket

Crush Sleeve for Chrysler 9.25″ front, GM 8.6″ IRS, 9.25″ IFS & 9.5″. Approx 0.640″ long.

Product Features:

• Crush sleeve for Chrysler 9.25″ front, GM 8.6″ IRS, 9.25″ IFS and 9.5″
• 0.640″ tall

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

• Premium bearing design matches OEM specifications
• Precision manufactured using premium-grade steel for outstanding durability and performance
• Crowned raceways and rollers to ensure even load distribution for maximum life
• Industry leading coverage
• Professional technicians know they can depend on National

Standard open and Gov-Loc cross pin for 9.5″ GM.

Product Features:

• Cross pin shaft
• Fits GM 9.5″

11.5AAM GM & Chrysler (fits All Years) UNIVERSAL standard Open spider gear kit.

Product Features:

• Spider gear kit
• Fits GM and Chrysler 11.5″ open differential
• Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

Differential Drain P

O-ring for left hand carrier bearing adjuster for 9.25″ GM IFS.

Product Features:

• Axle o-ring
• Fits Chrysler 9.25″ IFS

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.

Product Features:

• Fits GM and Chrysler 11.5″
• 11.50″ ring gear diameter
• 30 spline pinion
• 12 ring gear bolts
• 4.56 ratio

Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

Product Features:

• Fits GM 9.25″ IFS
• Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.

Differential Bearing

Product Features:

• KIT SHIM SIDE 9.5″ GM

Yukon yoke for GM 8.25″ IFS and 9.25″ IFS (mech 3R). 2.556″ snap ring span, 1.125″ cap diameter. Inside snap ring. This yoke uses inside snap rings. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

• Fits GM 8.25″ IFS and 9.25″ IFS
• 30 spline
• Mechanics 3R u-joint size
• Inside snap ring design
• 2.556″ snap ring span
• 1.125″ cap diameter
• Strap style

Product Features:

• Brand may vary by location

Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:

• All products are designed to meet or exceed OE quality, form, fit and funtion.

aFe Power’s new rear differential cover brings performance engineering to the protection of your axle’s differential. This differential cover is constructed out of durable A356-T6 cast aluminum with reinforcing ribs for maximum strength. Mounting hardware is included for a hassle-free installation. An oil level sight glass and calibration plug set to the factory level prevents overfilling of the differential. A magnetic drain plug and a deep reach magnetic fill plug are provided for maximum protection. This cover is finished in black powder-coating with machined fins for a distinctive look. 4 Quart Gear Oil Capacity: This cover has about a 4 quart gear oil capacity at the factory fill level, factory cover holds about 3 quarts. Built-in External Fins: Built-in external fins transfer heat from the fluid to the outside air for maximum cooling. Magnetic Drain/Fill Plug: This system incorporates a magnetic drain and deep reach fill plug that captures loose particles for maximum rear-end protection. Oil Level Sight Glass: Large oil level sight glass with 1/8” NPT calibration plug set to the factory fluid level to eliminate overfilling. When it comes to engineering for power, performance, protection and value, aFe Power is the only choice.

Product Features:

• Constructed of Durable A356 Die Cast Aluminum
• Reinforcing Ribs and Black Powder coating w/Machined Fins
• Magnetic Drain and Fill Plugs Capture Loose Particles
• Large Oil Level Sight Glass w/ Calibration Plug

Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking to save cost over a Master Overhaul kit. This kit uses Timken bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your ring & pinion set..

Product Features:

• Fits 2010 and down GM and Chrysler 11.5″
• Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve , marking compound and brush.

Differential Cover B

11.5″ GM standard Open side gear Thrust washer.

Product Features:

• Side gear thrust washer
• Fits GM 11.5″

Product Features:

• Fits Chrysler and GM 11.5″ with 30 spline axles
• Provides 100% traction to both wheels at all times
• Not recommended for street driven vehicles

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:

• Designed to repair damaged, grooved or worn shafts
• Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
• Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
• Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
• Easy to install with removable flange and installation tool
• Installation tool reduces sleeve distortion and allows for installation without removal from the shaft

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

• Premium bearing design matches OEM specifications
• Precision manufactured using premium-grade steel for outstanding durability and performance
• Crowned raceways and rollers to ensure even load distribution for maximum life
• Industry leading coverage
• Professional technicians know they can depend on National

GM 9.5″ ring gear bolt. 12mm x 1.5.

Product Features:

• Ring gear bolt for GM 9.2″
• 12mm x 1.5

Right hand adjuster lock for 9.25″ GM IFS.

Product Features:

• Side adjuster lock
• Fits 2010 and down GM 9.25″ IFS
• Right hand side

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 and Chrysler 11.5″ with 30 spline axles
• Clutch style positraction
• Smooth design
• Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
• Fully rebuildable
• Assembled in the USA

Yukon 4340 cut to length shaft for GM 14T & 11.5″, 30 spline, 34.8″-38.8″. Yukon 4340 Chrome Moly alloy axles offer a strength increase over stock while retaining a low cost. Yukon 4340 Chrome Moly alloy rear axles come with a limited lifetime warranty against manufacturing defects. Please verify bolt pattern on 2011 & later models. This axle has a 3.562″ bolt pattern. Some late model applcaitons use a larger bolt pattern.

Product Features:

• Fits GM 10.5″ 14 bolt truck and GM 11.5″
• 4340 Chromoly
• 30 spline
• Cut to length design fits 34.8″-38.8″ applications

Product Features:

• MINI INSTALL KIT GM9.2IFS 98 & ON

Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), complete shim kit, marking compound and brush.

Product Features:

• Fits GM 9.25″ IFS
• Included are a pinion seal, crush sleeve, complete shim kit, marking compound and brush.

Adjuster lock bolt for left hand case half of 7.2″ and 9.25″ GM IFS.

Product Features:

• Side adjuster lock bolt
• Fits GM 7.2″ IFS and 9.25″ IFS