1984 Mercury Grand Marquis Differentials

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

MiniSpool

Yukon standard open spider gear kit for 9″ Ford with 31 spline axles and 4-pinion design. 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
• Fit Ford 9″ open differential with 31 spline axles
• Includes two side gears, four pinion gears, cross pin shaft, roll pins and spider gear thrust washers.

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.

Product Features:

• Trac Loc positraction
• Fits Ford 8.8″ with 31 spline axles

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 Ford 7.5″
• 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:

• Pinion depth shim kit
• Fits Ford 9″ with 7/16″ pinion support bolts

Yukon Performance 2-3/16″ deck steel spool for 9″ Ford with 40 spline axles. Spool uses 2″ journal bearings (45 degree). Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:

• Fits Ford 9″ with 40 spline axles
• Provides 100% traction to both wheels at all times
• Not recommended for street driven vehicles

8.6″ GM 99-08 PINION Bearing & SEAL KIT .

Product Features:

• Pilot bearing
• Fits Ford 9″
• 0.656″ thick

Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Ford 8.8″ differential. This kit contains carrier bearings, races and shims.

Product Features:

• Fits Ford 8.8″
• Includes carrier bearings and races and “super” carrier shim kit

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 Ford 9″ with Daytona pinion support
• Included are pinion bearings and races, pinion seal, crush sleeve eliminator , complete pinion shim kit, and marking compound with brush.

Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:

• BEARING KIT FORD 9″ W/3.062 CARRIER BRGS & STD PINION SUPPORT MSTR KIT

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

Worn or damaged differential end yoke causing driveline vibrations? This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.

Product Features:

• Direct replacement – this differential end yoke matches the fit and construction of the original yoke
• Excellent value – this replacement end yoke offers original equipment quality at a fraction of the price of dealer parts
• Quality materials – this end yoke is machined from cast iron for strength and is precision machined for reliability
• Validated fit – this differential end yoke has been tested to confirm accurate fit

This differential disc kit is a low-cost, time-saving repair solution for the posi-traction function. They are designed to match the fit and performance of the original disc on specific vehicle years, makes and models.

Product Features:

• Direct replacement – this differential clutch kit provides the necessary components for repairing the original equipment on specific vehicles
• Quality materials – all components are built for reliable longevity and performance
• Smart solution – provides original equipment fit and function for a competitive price compared to original manufacturer
• Trustworthy quality – backed by team of designers and engineers in the United States

Pinion gear thrust washer (0.750″ shaft) for 8.8″ Ford.

Product Features:

• Pinion gear thrust washer
• Fits Ford 8.8″
• 0.750″ I.D.

Yukon standard open spider gear kit for 8.8″ Ford (and IFS) with 28 spline axles and 3/4″ pin. 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
• Fit Ford 8.8″ open differential with 28 spline axles
• Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

Remanufactured Rear Axle assemblies are completely disassembled, thoroughly cleaned and reassembled using new wear parts. Units are assembled, sealed & include backing plates, axle shafts & fluid.

Product Features:

• Rear axles are assembled with backing plates & axle shafts, and filled with fluid prior to shipping
• Axles are fully painted & shipped securely in environmentally safe and recyclable containers that are the perfect size for returning your original core
• Our complete Rear axle assemblies mean you just hang brakes, connect suspension & go! Your installation will be simple and trouble free
• Remember to match axle ratio to original. For 4WD rear axle must match front axle ratio

Ford 8″ & 9″ standard Open, AG, & Detroit locker ring gear bolt, 1.0″ long, Ford.

Product Features:

• Ring gear bolt for Ford 8″ and 9″
• For use with standard open carrier, Auburn Gear limited slip and Detroit Locker
• 1.0″ long

This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

• Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles
• Required replacement – when servicing the differential
• 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

The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! 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!

Value-priced bearing meets all cataloged application requirements.

Product Features:

• Brand may vary by location

Side gear thrust washer (0.875″ shaft) for 8.8″ Ford.

Product Features:

• Side gear thrust washer for Ford 8.8″
• 0.875″ diameter cross pin shaft applications only

DiffrlCover

This differential pinion shaft lock bolt 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 pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
• Ideal solution – this bolt 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

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.

Pinion seal for 7.5″, 8.8″, and 9.75″ Ford, and also 1985-’86 9″ Ford.Yukon Mighty seal.

Product Features:

• Pinion seal
• Fits Ford 7.5″, 8.8″ and some 9.75″
• 2.785″ O.D.

Value-priced seal meets all cataloged application requirements.

Product Features:

• Brand may vary by location