1973 Buick Estate Wagon Differentials

USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.

Product Features:

• Fits GM 8.5″ rear
• Uses Koyo bearings and races
• Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.

Product Features:

• RING GEAR BOLT 8.5″ 7.5″ 7/16 X 20 LEFT HAND

8.5″ GM EXTRA HD standard Open case (uses larger bearings).

Product Features:

• Standard open carrier case
• Fits GM 8.5″ with 28 or 30 spline axles
• 2.73 and up ratio only
• Does not include spider gears
• Has larger carrier carrier bearing journals for high strength

Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON*, DEXRON*-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:

• Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
• Enhanced anti-shudder protection for smooth shifting and maximum power transfer
• Developed with anti-wear technology to help improve transmission durability
• Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.

Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.

Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.

Powertrax® = Extreme Traction Systems!

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Engineered for the sealing repair environment
• Validated for fit, form and function
• Unsurpassed quality you can trust

This kit uses Koyo 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. USA Standard Gear 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 GM 8.5″ with LM102911 carrier races
• Uses Koyo bearings and races
• Included are carrier bearings and races, pinion bearings and races, pinion seal, pinion nut, crush sleeve, marking compound and brush.

8.5, 9.5, & 8.2 Buick, Oldsmobile, Pontiac GM REDI sleeve yoke saver.Yukon Mighty seal.

Product Features:

• Pinion Redi-sleeve
• Fits GM 8.5″, 9.5″ and 8.2″ Buick, Oldsmobile and Pontiac

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Engineered for the sealing repair environment
• Validated for fit, form and function
• Unsurpassed quality you can trust

Spartan spring & pin kit, fits smaller designs.

Product Features:

• Replacement spring and pin kit for Spartan Locker
• Fits Dana 30, Dana 44, AMC Model 20, AMC Model 35, and Toyota designs
• Includes 4 springs and 4 alignment pins

Product Features:

• Crush sleeve eliminator kit for GM 7.5″, 7.625″ and 8.2″

Crush sleeve for GM 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.2″ & 8.2″ Buick/Olds/Pontiac. .625″ long.

Product Features:

• Crush sleeve for GM 7.5″, 7.625″, 7.6″ IFS, 8.2″ and 8.2″ Buick, Oldsmobile and Pontiac
• 0.625″ tall

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 gear set does not have an ABS provision on the pinion.

Product Features:

• Fits GM 8.5″ and 8.6″
• 8.50″ ring gear diameter
• 30 spline pinion
• 10 ring gear bolts
• 5.38 ratio

Product Features:

• GM 10BL 8.5″ R/P 4.56 MG FRT/REAR

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

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

With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:

• High-precision and High-quality components used in all KITs
• Coverage of classic and new high-tech solutions for the best system coverage

High-quality Differential Component Shim

Product Features:

• SHIM KIT FITS-8.25-F7.5-AMC20-GM0

Product Features:

• KIT SHIM

Product Features:

• CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
• PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
• SMOOTH ROTATION: Crowned raceways and rollers 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

Product Features:

• GM12 BOLT CAR SOLID SPACER & SHIMS

For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!

Yukon standard open spider gear kit for 8.5″ GM with 28 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:

• Spider gear kit
• Fits GM 8.5″ open differential with 28 spline axles
• Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

Product Features:

• Spider gear kit
• Fits GM 8.5″ 28 spline open differential
• Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

HM89449 set-up bearing (one bearing). No return.

Product Features:

• Set up bearing
• Fits HM89449 pinion bearing
• Easily slips on and off pinion journal to allow for pinion depth adjustment

We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.

Product Features:

• High-precision and High-quality components used in all KITs
• Coverage of classic and new high-tech solutions for the best system coverage

Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.

Value-priced seal meets all cataloged application requirements.

Product Features:

• Brand may vary by location

Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

Product Features:

• High-precision and High-quality components used in all KITs
• Coverage of classic and new high-tech solutions for the best system coverage