GMC Sierra 3500 HD Drivetrains

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

Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The 4WD Indicator Light Switch provides instant visual feedback on 4WD engagement, helping drivers quickly verify the vehicle¿s drive mode and ensuring optimal performance in off-road or slippery conditions. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:

• Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
• Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
• Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
• Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.

This universal joint strap kit is designed to match the original components required to repair and resecure universal joints on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:

• Direct replacement – this universal joint strap kit is designed to match the original components required to repair and resecure universal joints on specified vehicles
• Ideal solution – this kit is a reliable replacement for original components that are missing or have failed due to fatigue
• Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

This transfer case housing matches the fit and function of a cracked or leaking original equipment housing. Durably constructed, this housing includes new seals to ensure a leak-free installation.

Product Features:

• Ideal replacement – this transfer case housing is a direct replacement for a cracked or leaking original equipment housing
• Durable construction – this 100% new housing is precision-manufactured for reliable longevity
• Cost-effective solution – offers original equipment quality at a competitive price compared to original equipment
• Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life

Ensure a leak-free repair when servicing axle bearings or parking brake shoes. This axle shaft flange seal is a direct replacement for the original gasket and should be replaced every time work is performed at the axle flange.

Product Features:

• Ideal replacement – this axle shaft flange seal directly replaces the original gasket without having to visit the dealer
• Required for routine service – this gasket should be replaced every time work is performed at the axle flange
• Durable construction – this axle shaft flange gasket is made of tough, durable materials for leak-free performance
• Quality tested – this flange gasket has been designed and tested for a guaranteed fit

Spider Gear Kit

aFe Power’s new front differential cover brings performance engineering to the protection of your axle’s differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs for maximum strength. This cover comes with all necessary hardware for easy installation. Pro Series differential covers include an oil level sight glass and magnetic deep reach fill plug. This cover is finished with black powder-coating and machined fins for a distinctive look. Increased Oil Capacity: This cover has an increased oil capacity over stock for better performance over a longer duration. Built-in Internal/External Fins: Built-in internal and external fins transfer heat from the oil to the outside air for maximum cooling. Magnetic Plugs: This system incorporates a magnetic drain and deep reach fill plug to capture loose particles for maximum protection. Calibration Plug: Calibration plug set to the factory oil level to eliminate overfilling. Oil Level Sight Glass: A pre-installed oil level sight glass allows quick and easy oil inspection. When it comes to engineering for power, performance, protection and value, aFe Power is the only choice.

Product Features:

• Durable Cast Aluminum
• Magnetic Drain and Fill Plugs Capture Loose Particles
• Calibration Plug Set to Factory Fill Level Eliminates Overfilling
• Oil Level Sight Glass for Quick/Easy Inspection

11.5″ GM standard Open pinion gear Thrust washer.

Product Features:

• Pinion gear thrust washer
• Fits GM 11.5″

Left hand adjuster lock nut for 9.25″ GM.

Product Features:

• Side adjuster lock nut
• Fits GM 9.25″

This drive shaft repair kit is designed to match the original hardware required to repair the drive shaft on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:

• Direct replacement – this drive shaft repair kit is designed to match the original hardware required to repair the drive shaft on specified vehicle
• Ideal solution – this kit is a reliable replacement for original components that have failed due to fatigue
• Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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

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!

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

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

Product Features:

• Axle o-ring
• Fits Chrysler 9.25″ IFS

Differential Cover B

Product Features:

• Brand may vary by location

Carquest Premium constant velocity (C.V.) axle shaft assemblies are 100% new units that are designed to meet or exceed OE specifications. Every part number is tested to guarantee a proper fit and reliable performance. Carquest Premium CV axles are assembled with a specially formulated high-temperature moly grease to resist friction and wear of the bearings and joints. Our strict engineering and quality specifications ensure a long-lasting repair that is guaranteed with an industry-leading warranty.

Product Features:

• Designed to meet or exceed OE specifications for fit, form and function
• 100% new axle and components
• New axle nut or attaching hardware included when applicable
• Bearings, races and housings are heat-treated for longer life
• Precision-engineered seal mating surfaces for leak-free performance
• High moly CV joint grease with stainless-steel boot bands

Product Features:

• RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
• PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding durability and performance
• 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

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

Product Features:

• Cross pin shaft
• Fits GM 9.5″

Standard Open cross pin bolt lock ring for 11.5″ GM.

Product Features:

• Cross pin bolt lock ring
• Fits GM 11.5″

Product Features:

• Cross pin bolt
• Fits GM 9.5″ and 9.25″ IFS

When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.

Product Features:

• OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
• Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
• The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
• Zerk allows for lubricating at regular intervals to help extend the life of the part.

When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.

Product Features:

• OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
• Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
• The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
• Zerk allows for lubricating at regular intervals to help extend the life of the part.

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