1991 GMC C3500HD Differentials

For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.

Product Features:

• The Power Trax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Power Trax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
• Power Trax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
• Power Trax 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.
• Power Trax ia an Extreme Traction System

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

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

Product Features:

• 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:

• Brand may vary by location

Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

Product Features:

• For Ford 9″, GM 10.5″, & Chrysler 11.5″ differentials
• Fits LM104911 race
• All-steel construction
• For accurate installation of bearing races

Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

Product Features:

• Fits HM807010 race
• All-steel construction
• For accurate installation of bearing races

Product Features:

• DANA-60 R/P 4.10 STD MG (USES PRE-LOAD SHIMS)

Product Features:

• DANA-70 R/P 4.88 STD MG .625″ OFFSET

If you’re repairing or rebuilding a front or rear differential and want the best performance and longevity from the bearings being replaced, choose this premium differential kit. It includes high-precision bearings manufactured to tighter tolerances and engineered to last longer than common lower-grade bearings that have more backlash when subjected to the torque generated within the differential. This convenient kit also saves the time needed to source individual components. Check the product attributes and fitment details to select the correct premium differential kit for your application.

Product Features:

• Ideal solution – this premium differential bearing kit features high-precision bearings to help ensure longer bearing life, prevent backlash, and restore proper differential operation
• Direct replacement – the components in this all-in-one kit are engineered to precisely match the fit and function of the original equipment bearings for a seamless installation
• Increased reliability – the premium bearings in this kit are manufactured to exacting tolerances and specifications from high quality materials to help ensure optimal performance
• Application-specific – check the product attributes and fitment details to choose the correct kit for your application
• Contents: Bearings; Shims; Crush Collar; Hardware; Gasket Material; Gear Marking Compound; Application Brush; Thread Lock Compound

This differential bearing kit includes all necessary installation components for a differential ring and pinion on certain vehicle years, makes and models.

Product Features:

• Convenient kit – this ring and pinion bearing installation kit includes all necessary components for a complete repair on certain vehicle applications
• Related repair – smart to have on hand when installing a differential ring and pinion
• Durable construction – built for reliable longevity, free of defects in materials and workmanship
• Trustworthy quality – backed by team of designers and engineers in the United States

Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:

• 33 spline
• 5 lug
• Fits GM 12 bolt passenger car in 1964-1967 Chevelle and 1967-1969 Camaro
• Includes two axles and c-clip eliminator kit

Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.

Product Features:

• Fits Dana Spicer 80
• 37 spline
• 1480 u-joint size
• 4.188″ snap ring span
• 1.375″ cap diameter
• Outside snap ring design
• Strap style

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

Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.

Product Features:

• Pinion seal
• Fits 1998 and up GM 10.5″ 14 bolt truck

Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it’s designed to help prevent leaks, reduce wear & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:

• FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
• HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
• IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
• ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:

• Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

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

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

Product Features:

• 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

Ring/Pinion Sets

USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:

• Fits Dana Spicer 80
• 11.25″ ring gear diameter
• 37 spline pinion
• 12 ring gear bolts
• 5.38 ratio

Value-priced bearing meets all cataloged application requirements.

Product Features:

• Brand may vary by location

Yukon replacement loaded standard open case For Dana 80, 35 spline, 4.10 & up, non-ABS.

Product Features:

• Standard open carrier case
• Includes spider gears
• Fits Dana Spicer 80 with 35 spline axles
• 4.10 and up ratio only
• Not compatible with ABS applications

Differential

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

• Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Unsurpassed quality you can trust
• Validated for fit, form and function
• Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

Set-up carrier bearing kti (2 bearings, no races) for Dana 70 HD and Dana 80. 469. No return.

Product Features:

• Set up bearing kit
• Fits Dana Spicer 80
• Easily slips on and off carrier journals to allow for easier carrier shim adjustment

Value-priced bearing meets all cataloged application requirements.

Product Features:

• Brand may vary by location