1994 Mercury Grand Marquis Differentials

Essential 1994 Mercury Grand Marquis Differentials

Dorman – Differential Clutch Kit (Part No.697-780)

Differential Clutch Kit

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$262.99
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
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Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Differential Shaft Lock Bolt

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$5.99
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
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Yukon Gear – Trac Loc Internals For 8" & 9" Ford, 31 Spline, Includes Hub & Clutches (Part No.16027)

Trac Loc Internals For 8" & 9" Ford, 31 Spline, Includes Hub & Clutches

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$487.99
Yukon Trac Loc internals for 8″ & 9″ Ford, 31 spline, includes hub & clutches. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fits Ford 9″ with Trac Loc positraction with 31 spline axles
  • Includes two side gears, four pinion gears, cross pin shaft, clutch hub, roll pin and spider gear thrust washers.
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Yukon Gear – Side Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford (Part No.33298)

Side Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford

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$6.99
Side gear thrust washer (0.750″ shaft) for 8.8″ Ford.

Product Features:
  • Side gear thrust washer for Ford 8.8″
  • 0.750″ diameter cross pin shaft applications only
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Yukon Gear – 8.8" Ford Cover Gasket (Part No.23011)

8.8" Ford Cover Gasket

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$12.99
8.8″ Ford cover gasket.

Product Features:
  • Cover gasket
  • Fits Ford 8.8″
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Yukon Gear – Cover Bolt For Ford 7.5", 8.8" & 9.75" (Part No.33554)

Cover Bolt For Ford 7.5", 8.8" & 9.75"

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$6.99
Yukon 1541H alloy replacement rear axle for Dana 60, 70, and 80, 35 spline. (40″ to 43.5″) Full float axle (8×3.96″ ). Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a full-floating axle.

Product Features:
  • 35 spline
  • 8 x 3.96″ bolt pattern
  • Cut to length design fits 40″-43.5″ applications
  • Fits Dana Spicer 60, 70 and 80
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Motive Gear – Differential Pinion Shaft (Part No.B7AZ4211A)

Differential Pinion Shaft

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$13.59


Product Features:
  • FORD 9″ CROSS PIN
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Yukon Gear – Pinion Nut (Part No.33154)

Pinion Nut

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$7.99
Pinion nut for Ford 7.5″, 8″, 8.8″, 9 3/8″ & 9″. 1 1/6″ socket, 3/4″ x 20 thread.

Product Features:
  • Pinion nut for Ford 7.5″, 8″ and 9″
  • 3/4″ x 20 thread
  • 1 1/6″ socket
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Powertrax – Lock Right Locker (Part No.1810-LR)

Lock Right Locker

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$339.99
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!
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    Yukon Gear – Mini Spool For Ford 8.8" With 28 Spline Axles (Part No.32225)

    Mini Spool For Ford 8.8" With 28 Spline Axles

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    $218.99
    Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100% power to both tires at all times. These units are not recommended for street-driven vehicles. We recommend full spools for vehicles with large tires or high horsepower. These units come with a one year warranty against manufacturing defects.

    Product Features:
    • Fits Ford 8.8″ with 28 spline axles
    • Provides 100% traction to both wheels at all times
    • Installs into standard open carrier case
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    Driveworks – Tapered Roller Bearing (Part No.S-LM-603012)

    Tapered Roller Bearing

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    $6.79
    Product Features:
    • Brand may vary by location
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    Felpro – Differential Cover Gasket (Part No.RDS 55003)

    Differential Cover Gasket

    from

    $6.79
    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
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    Yukon Gear – Spider Gear Kit For Ford 8.8", 31 Spline, Trac Loc Posi (Part No.16106)

    Spider Gear Kit For Ford 8.8", 31 Spline, Trac Loc Posi

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    $363.99
    Yukon spider gear kit for Ford 8.8″, 31 spline, Trac Loc posi. 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. This kit does not include cross pin shaft or clutches.

    Product Features:
    • Spider gear kit
    • Fit Ford 8.8″ Trac Loc positraction with 31 spline axles
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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    Yukon Gear – Chrome Cover For 7.5" Ford (Part No.32008)

    Chrome Cover For 7.5" Ford

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    $42.99
    Chrome cover for 7.5″ Ford.

    Product Features:
    • Fits Ford 7.5″
    • Chrome
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    Motive Gear – Differential Pinion Seal (Part No.7044NA)

    Differential Pinion Seal

    from

    $12.99
    All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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    Yukon Gear – 1.250" Pinion Adaptor Sleeve (Stock Pinion Into Large Support) (Part No.32239)

    1.250" Pinion Adaptor Sleeve (Stock Pinion Into Large Support)

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    $74.99
    1.250″ pinion adaptor sleeve (stock pinion into large support).

    Product Features:
    • Adapter sleeve
    • Fits Ford 9″
    • Adapts 28 spline pinion into 35 spline pinion support
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    Pro-King – Differential Clutch Pack (Part No.762B119)

    Differential Clutch Pack

    from

    $133.99
    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.
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    Pro-King – Differential Internal Nest Kit (Part No.761A717)

    Differential Internal Nest Kit

    from

    $309.99
    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.
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    Timken – Differential Pinion (Part No.J7021374649TIM)

    Differential Pinion

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    $12.34
    Differential Pinion

    Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

    MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

    from

    $12.79
    Product Features:
    • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks
    • Long-life friction modifiers and premium base oils help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
    • Enhanced cleaning additives help reduce varnish formation and keep the transmission running properly longer
    • Engineered with a unique blend of viscosity modifiers and base oils to provide better oil flow at low temperatures and greater film protection at higher temperatures
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    Dorman – Differential Yoke including Seal and Pinion Nut (Part No.697-507)

    Differential Yoke including Seal and Pinion Nut

    from

    $48.99
    A worn or damaged differential pinion flange can lead to driveline vibrations and fluid leaks. This part is designed to match the performance of the original equipment pinion flange on specified vehicles. It has been engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is rusted, worn or damaged. It is made of rugged materials for reliable service and durability.

    Product Features:
    • Direct replacement – this differential pinion flange is designed to match the performance of the original equipment flange on specified vehicles
    • Ideal solution – engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is worn or damaged
    • Durable construction – designed and manufactured to strict specifications for reliable performance
    • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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    Yukon Gear – Pinion Depth Shims For GM 8.25" IFS, 8.5", 12 Bolt Car, Ford 8.8" & Chrysler 8.25" (Part No.55009)

    Pinion Depth Shims For GM 8.25" IFS, 8.5", 12 Bolt Car, Ford 8.8" & Chrysler 8.25"

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    $27.99
    8.25″ IFS, 8.5″, 12P, 7.5″ F, 8.8″ F, 8.25″ Chrysler pinion shim kit.

    Product Features:
    • Pinion depth shims for GM 8.25″ IFS, 8.5″, 8.6″, 12 bolt passenger car, Ford 7.5″ and 8.8″, Chrysler 8.25″
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    Dorman – Ford 8.8 Ring Gear with 31-splines and ABS Ring (Part No.630-413)

    Ford 8.8 Ring Gear with 31-splines and ABS Ring

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    $193.99
    Axle shaft damaged or bearings worn out? This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

    Product Features:
    • Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
    • Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
    • Durable construction – designed to rigorous standards and tested to ensure performance
    • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
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    Richmond Gear – RngPnnInstlKt (Part No.83-1011-B)

    RngPnnInstlKt

    from

    $48.99
    RngPnnInstlKt

    Dorman – Help – Pinion Crush Sleeves (Part No.81056)

    Pinion Crush Sleeves

    from

    $5.99
    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
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    Yukon Gear – Un-Notched Cross Pin Shaft For 7.5" Ford – Oem, Not Auburn Gear (Part No.33330)

    Un-Notched Cross Pin Shaft For 7.5" Ford - Oem, Not Auburn Gear

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    $36.99
    Un-notched cross pin shaft for 7.5″ Ford. OEM, not Auburn gear.

    Product Features:
    • Cross pin shaft for Ford 7.5″
    • 3.45 and down ratios only
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    Yukon Gear – Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16042)

    Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

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    $41.99
    Product Features:
    • Shim kit
    • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
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    Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

    Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5"

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    $59.99
    Product Features:
    • Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
    • Interlocking design makes installation much easier
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    1994 Mercury Grand Marquis Differentials

    Maybe you’re in the middle of a full rebuild of that 1994 Mercury Grand Marquis. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 220 different Differentials in our inventory ranging from $0.99 to $2,064.99. That means you can find the exact parts or products you need to keep that 1994 Mercury Grand Marquis running smoothly.

    Differentials are only as good as their brand. We stock 13 different brands to make sure you have plenty of trusted parts to choose from for your 1994 Mercury Grand Marquis. Valvoline, Felpro, and National are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

    We know you’ll find the perfect Differentials for your 1994 Mercury Grand Marquis, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 770 reviews in this category, some of the top rated parts include Bearings with 5.0 stars and Differential Master Bearing Kit – Timken with 4.0 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1994 Mercury Grand Marquis rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

    Differentials Brands To Make Your 1994 Mercury Grand Marquis Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1994 Mercury Grand Marquis demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Grand Marquis the best it can be. Be sure to browse some of our top Differentials brands and parts.

    Popular Powertrax Differentials

    We carry Powertrax parts in our stock across Differential Open Unit and Components categories, plus more. For a 1994 Mercury Grand Marquis, our most popular Powertrax Differentials include:
    Lock Right Locker
    from $444.99
    (1)
    Lock Right Locker
    Differential Open Unit and Components

    FAQs for 1994 Mercury Grand Marquis Differentials

    What are the most purchased Differentials for the 1994 Mercury Grand Marquis?

    Out of 220 Differentials for the 1994 Mercury Grand Marquis, the most popular in our inventory are:
    Differential Cover Gasket
    from $14.99
    (121)
    Differential Cover Gasket
    Rear Housing Cover Gaskets
    Multi Purpose Seal
    from $11.99
    (28)
    Multi Purpose Seal
    Differential Pinion Seals
    Differential Shaft Lock Bolt
    from $5.99
    (11)
    Differential Shaft Lock Bolt
    Differential Pinion Shaft Lock Bolts

    What are the top-rated 1994 Mercury Grand Marquis Differentials?

    Top-rated Differentials for your 1994 Mercury Grand Marquis based on customer reviews/ratings are:
    Bearings
    from $15.99
    (9)
    Bearings
    “as advertised”
    Differential Master Bearing Kit - Timken
    from $137.99
    (8)
    Differential Master Bearing Kit – Timken
    “These Timken bearings work great in my 10 second drag car.”
    Bearings
    from $10.49
    (4)
    Bearings
    “Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”