1981 Dodge Ramcharger 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:

• 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

Product Features:

• DANA 44 R/P 3.92 STD MG

Castrol® Transmax® ATF/CVT Universal is a premium full-synthetic transmission fluid engineered for exceptional performance in both traditional step-shifting automatic transmissions and modern continuously variable transmissions (CVTs). Featuring Castrol Smooth Drive® Technology, it ensures enhanced friction durability for seamless gear shifts and superior high-temperature protection to resist oxidation. This advanced formulation offers unmatched protection against copper corrosion, extending the life of your transmission system. Its broad compatibility covers a wide range of ATF and CVT applications, including Dexron VI, Mercon LV, Toyota WS, Honda DW-1, Nissan Matic S, and many more, making it ideal for diverse vehicle types, including hybrids. Designed to improve workshop efficiency and simplify inventory management, this fluid is a versatile solution for professional mechanics and DIY enthusiasts alike. Packaged in a convenient 1-gallon size, it delivers outstanding value and reliability for maintaining optimal transmission performance.

Product Features:

• Enhanced friction durability for smooth transmission performance
• Superior high temperature protection to effectively resist oxidation
• Unsurpassed protection against copper corrosion
• Broad scope of vehicle applications improves workshop efficiency and inventory management
• ATF Applications: Dexron VI (Dexron III, Dexron), Mercon LV (Mercon SP, Mercon V, Mercon), JASO 1A (03), JASO 1A LV (13), Toyota T IV, Toyota T III, Toyota WS, Honda/Acura DW 1/Z 1, Nissan Matic D, Matic J, Matic S, Hyundai/Kia SP IV, SP III
• ATF Applications: Mazda ATF M-V, M-III, FZ, Mitsubishi SP IV, SP III, IIM, II, PA, J3, VW/Audi (6, 8 & 9 speed automatics), BMW/Mini (6, 8 and 9 speed automatics), Jaguar/Land Rover (6, 8 & 9 speed automatics), Porsche (6, 8 & 9 speed automatics)
• ATF Applications: Volvo (6, 8 and 9 speed automatics), Volvo Transmission Oil 97342, AT102, Mercedes-Benz (7 and 9 speed automatics)
• CVT Applications: Toyota CVT Fluid TC, Toyota CVT Fluid FE , Nissan CVT Fluid NS-1, Nissan CVT Fluid NS-2, Nissan CVT Fluid NS-3, Subaru i-CVT Fluid, Subaru i-CVT FG, Subaru Lineartronic High Torque Chain CVTF, Honda HCF-2

Yukon 1541H replacement inner axle for Dana 44 with a length of 18.3 inches and with 30 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H front axles come with a one year warranty against manufacturing defects.

Product Features:

• 30 spline
• 18.3″ long
• Fits Dana Spicer 44 in 1972-1974 Dodge 1/2 ton
• Right hand inner
• 1541H alloy
• 5-760X U-joint size

Dana 60 & Dana 70 Power Lok case bolt.

Product Features:

• Power Lok case bolt for Dana Spicer 60 and 70
• 7/16 x 14 thread
• 3.5″ long
• 9/16″ hex head

Bearing race driver for Dana 44 rear. (TK 31520) No return.

Product Features:

• Bearing race driver
• Fits 31520 race
• All steel construction

Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:

• For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
• The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
• Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
• Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
• Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.

Dana 50 Dana 60 Dana 70 & Dana 80 roll PIN, 0.225″ DIA, for X/P shaft, 1.87″ LNG.

Product Features:

• Roll pin for Dana Spicer 50, 60, 70, 70U, 70HD and 80
• 0.225″ diameter
• 1.870″ long

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

Product Features:

• Oil baffle for Dana Spicer 30, Dana Spicer 44 IFS, Dana Spicer 50, AMC Model 35 IFS

Product Features:

• Cover gasket
• Fits Dana Spicer 44

Yukon replacement standard open carrier case for Dana 44, 3.92 & up, 2-3/8″ tall.

Product Features:

• Standard open carrier case
• Fits Dana Spicer 44 with 30 spline axles
• 3.92 and up ratio only
• Does not include spider gears

This differential cover plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

• Direct replacement – this differential cover plug matches the fit and function of the factory part on specified years, makes and models
• Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
• Durable construction – this part is 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

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!

Differential side bearing screw adjuster for 9.25″ Chrysler.

Product Features:

• Side adjuster for Chrysler 9.25″ rear

The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability. The Yukon Zip locker is an air operated locker that provides selectable traction for off road or street use. This unit features 4320 Chrome Moly internals for added strength. Assembled in the USA! compressor sold separately. All Zip Lockers are backed by the best warranty in the business! All Zip Lockers come with a six (6) year warranty, including any collaterally damaged parts and associated labor, up to $2,000, for the first two (2) years. This is a narrow case locker. If you have a wide housing, please order two DS 42563 with your locker. This locker is ABS compatible.

Product Features:

• Fits Dana Spicer 60 with 30 spline axles
• 4.10 and down ratio only
• Forged case and 8620 internals for added strength
• Works with a variety of air delivery systems
• Assembled in the USA

Replacement ring gear bolt for Model 35, Dana 25, 27, 30 & 44. 3/8″ x 24.

Product Features:

• Ring gear bolt for Dana Spicer 25, 27, 30, 44 and AMC Model 35
• 3/8″ x 24 thread

Set-up carrier bearing kit (2 bearings, no races) for Dana 60 and 70. 387A. No return.

Product Features:

• Set up bearing kit
• Fits Dana Spicer 60
• Easily slips on and off carrier journals to allow for easier carrier shim adjustment

Seal housing for Dana 60, Zip locker, with o-rings.

Product Features:

• Seal housing for Dana Spicer 60
• Includes o-rings

USA Standard Gear open spider gear set for Chrysler 8.25″, 27 spline .

Product Features:

• Spider gear kit
• Fits Chrysler 8.25″ 27 spline open differential
• Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

Bolt/screw for adjuster lock for Chrysler 7.25″, 8.25″, 8.75″, 9.25″.

Product Features:

• Side adjuster lock bolt
• Fits Chrysler 7.25″, 8.25″, 8.75″ and 9.25″

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

Product Features:

• Fits Chrysler Dana Spicer 44 with 30 spline axles
• 3.73 and down ratio only
• Provides 100% traction to both wheels at all times
• Not recommended for street driven vehicles

This differential cover plug is designed to match the fit & function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

• Direct replacement – this differential cover plug matches the fit and function of the factory part on specified years, makes and models.
• Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
• Durable construction – this part is 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

Yukon replacement yoke for Dana 30, 44, and 50 with 26 spline and a 1330 U/joint size. 3.625″ snap ring span, 1.125″ cap diameter. Outside snap ring. This yoke uses u-bolts. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

• Fits Dana Spicer 44
• 26 spline
• 1330 u-joint size
• 3.625″ snap ring span
• 1.125″ cap diameter
• Outside snap ring design
• U-bolt style

Product Features:

• Side gear thrust washer for Ford 8″, Ford 9″ and AMC Model 20
• 0.030″ thick

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 Chrysler 9.25″ rear
• Included are a pinion seal, crush sleeve , complete shim kit, marking compound and brush.

3/8″ cover bolt, Dana 60, Dana 70 & Dana 80.

Product Features:

• Cover bolt for Dana Spicer 60, 70 and 80
• 3/8″