1975 Mercury Grand Marquis Differentials

Essential 1975 Mercury Grand Marquis Differentials

National – Shaft Repair Sleeve (Part No.99181)

Shaft Repair Sleeve

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$37.49
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
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Richmond Gear – Differential Cross Shaft (Part No.CSPF9)

Differential Cross Shaft

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$26.49
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.
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Yukon Gear – Crush Sleeve Eliminator Kit For Ford 9" (Part No.55041)

Crush Sleeve Eliminator Kit For Ford 9"

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$68.99
9″ Ford 2 piece solid preload pinion spacer, Daytona or standard.

Product Features:
  • Crush sleeve eliminator kit for Ford 9″ with 28 spline pinion
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Yukon Gear – Trao Loc Spring For Ford 8.8", 31 Spline (Part No.33516)

Trao Loc Spring For Ford 8.8", 31 Spline

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$99.99
Product Features:
  • Trac Loc spring for Ford 8.8″
  • 31 spline applications only
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Yukon Gear – 9" Ford Gasket (Part No.23012)

9" Ford Gasket

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$11.99
9″ Ford gasket.

Product Features:
  • Dropout gasket
  • Fits Ford 9″
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Powertrax – Lock Right Locker (Part No.1822-LR)

Lock Right Locker

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$371.99
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 – Pinion Gear For 8" And 9" Ford (Part No.16160)

    Pinion Gear For 8" And 9" Ford

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    $23.99
    Pinion gear for 8″ and 9″ Ford.

    Product Features:
    • Pinion gear
    • Fits Ford 8″ and 9″
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    Yukon Gear – Pinion Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford (Part No.33297)

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

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    $8.99
    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.
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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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    Motive Gear – Differential Pinion Nut (Part No.379570S)

    Differential Pinion Nut

    from

    $6.49
    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 – Trac Loc Clutch Guide For 9" Ford (Part No.33250)

    Trac Loc Clutch Guide For 9" Ford

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    $4.99
    Trac Loc clutch guide for 9″ Ford.

    Product Features:
    • Clutch guide
    • Fits Ford 8″ and 9″
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    Motive Gear – Differential Spool (Part No.FS8.8-31)

    Differential Spool

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    $192.99


    Product Features:
    • FULL SPOOL FORD 8.8″ 31 SPL
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    Pro-King – Differential Pinion Shim Kit (Part No.742G200A)

    Differential Pinion Shim Kit

    from

    $18.49
    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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    Yukon Gear – One (1) Specialty Bearing Race To Adapt Small Bearing Journal Into A 3.250" Dropout (Part No.32157)

    One (1) Specialty Bearing Race To Adapt Small Bearing Journal Into A 3.250" Dropout

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    $51.99
    One (1) specialty bearing race to adapt small bearing journal into a 3.250″ dropout. This adapter allows the use of a 28 or 31 spline carrier, positraction or locker in a 3.250″ dropout. This is a perfect solution if you are currently running 28 or 31 spline axles but are looking to upgrade to 35 spline later, or are stepping down from 35 spline but don’t want to buy a new dropout.

    Product Features:
    • Carrier race
    • Fits Ford 9″
    • Conversion race to install small bearing carrier into 3.250″ dropout
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    Yukon Gear – The Carrier Bearing Puller (Part No.56034)

    The Carrier Bearing Puller

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    $689.99
    The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

    Product Features:
    • Carrier bearing puller
    • Works with an impact gun to safely and easliy remove carrrier bearings
    • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications
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    Dorman – Ring And Pinion Bearing Installation Kit (Part No.697-101)

    Ring And Pinion Bearing Installation Kit

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    $164.99
    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
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    Motive Gear – Nodular Differential Housing (Part No.26325)

    Nodular Differential Housing

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    $533.99


    Product Features:
    • NODULAR HOUSING 9″ FORD 3.25″ BORE
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    Motive Gear – Differential Gear Install Kit (Part No.F8.8IK)

    Differential Gear Install Kit

    from

    $35.99


    Product Features:
    • MINI INSTALL KIT FORD 8.8
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    Yukon Gear – Silver Aluminum Pinion Supprt For 9" Ford Daytona (Part No.32037)

    Silver Aluminum Pinion Supprt For 9" Ford Daytona

    from

    $269.99
    Plain Silver aluminum pinion Supprt for 9″ Ford Daytona, HD 6061.

    Product Features:
    • Fits Ford 9″ with 28 spline pinion
    • Larger inner pinion bearing reduces gear deflection under high load
    • Races installed
    • 6061 aluminum
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    Yukon Gear – Standard Open Spider Gear Kit For 8.8" Ford (And IFS) With 28 Spline Axles (Part No.16019)

    Standard Open Spider Gear Kit For 8.8" Ford (And IFS) With 28 Spline Axles

    from

    $285.99
    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.
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    Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

    Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

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    $148.99
    Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
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    Yukon Gear – Trac Loc For Ford 9" Wtih 31 Spline Axles – Street Design (Part No.26010)

    Trac Loc For Ford 9" Wtih 31 Spline Axles - Street Design

    from

    $789.99
    The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Trac Loc uses a nodular case, billet side hat, and forged internals for higher strength than stock Trac-Locs. The units use composite clutches for high performance and long life. All units are Rebuildable. Yukon offers a one year warranty against manufacturing defects.

    Product Features:
    • Fits Ford 9″ with 31 spline axles
    • Trac Loc positraction
    • Clutch style positraction
    • Street design
    • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
    • Fully rebuildable
    • Assembled in the USA
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    Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4105)

    Differential Pinion Solid Spacer Kit w/Shims

    from

    $22.79


    Product Features:
    • FORD 9″ SOLID SPACER KIT
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    Yukon Gear – O-Ring For 9" Ford (Part No.30028)

    O-Ring For 9" Ford

    from

    $14.99
    O-ring for 9″ Ford.Yukon Mighty seal.

    Product Features:
    • Pinion support o-ring
    • Fits Ford 9″
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    Felpro – Differential Carrier Gasket (Part No.RDS 55074)

    Differential Carrier Gasket

    from

    $8.49
    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 – Short Cross Pin Shaft Without Block For 9" Ford (Part No.33335)

    Short Cross Pin Shaft Without Block For 9" Ford

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    $11.99
    Short cross pin shaft without block for 9″ Ford.

    Product Features:
    • Cross pin shaft
    • Fits Ford 9″
    • Short design
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    Yukon Gear – Bearing Race Driver (Part No.56020)

    Bearing Race Driver

    from

    $215.99
    Bearing race driver. No return.

    Product Features:
    • Bearing race driver
    • Fits M802011 race
    • All steel construction
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    Yukon Gear – Bearing Race Driver (Part No.56023)

    Bearing Race Driver

    from

    $219.99
    Bearing race driver. No return.

    Product Features:
    • Bearing race driver
    • Fits M88010 race
    • All steel construction
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    Popular 1975 Mercury Grand Marquis Differentials Categories

    1975 Mercury Grand Marquis Differentials

    Maybe you’re in the middle of a full rebuild of that 1975 Mercury Grand Marquis. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 378 different Differentials in our inventory ranging from $1.99 to $1,211.99. That means you can find the exact parts or products you need to keep that 1975 Mercury Grand Marquis running smoothly.

    Differentials are only as good as their brand. We stock 10 different brands to make sure you have plenty of trusted parts to choose from for your 1975 Mercury Grand Marquis. National, Yukon Gear, and Driveworks 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 1975 Mercury Grand Marquis, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 124 reviews in this category, some of the top rated parts include Bearings with 4.8 stars and Multi Purpose Seal with 5.0 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1975 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 1975 Mercury Grand Marquis Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1975 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 Felpro Differentials

    We carry Felpro parts in our stock across Automatic Transmission Differential Carrier Gaskets categories, plus more. For a 1975 Mercury Grand Marquis, our most popular Felpro Differentials include:
    Differential Carrier Gasket
    from $8.49
    (9)
    Differential Carrier Gasket
    Automatic Transmission Differential Carrier Gaskets

    Top 1975 Mercury Grand Marquis Differentials from National

    National products are another trusted brand when it comes to Differentials for your 1975 Mercury Grand Marquis. Popular National parts include:
    Multi Purpose Seal
    from $11.99
    (28)
    Multi Purpose Seal
    Differential Pinion Seals
    Bearings
    from $15.99
    (9)
    Bearings
    Front Differential Pinion Bearings
    Bearings
    from $6.99
    (6)
    Bearings
    Differential Bearings

    FAQs for 1975 Mercury Grand Marquis Differentials

    What are the most purchased Differentials for the 1975 Mercury Grand Marquis?

    Out of 378 Differentials for the 1975 Mercury Grand Marquis, the most popular in our inventory are:
    3 Qt - Penzoil 80W90 Conventional Gear Oil
    from $44.99
    This product is not rated
    3 Qt – Penzoil 80W90 Conventional Gear Oil
    Differential Oil
    Oil Seal
    from $4.79
    (1)
    Oil Seal
    Differential Pinion Seals
    Cover Bolt For Ford 7.5", 8.8" & 9.75"
    from $6.99
    This product is not rated
    Cover Bolt For Ford 7.5", 8.8" & 9.75"
    Differential Cover Bolts

    What are the top-rated 1975 Mercury Grand Marquis Differentials?

    Top-rated Differentials for your 1975 Mercury Grand Marquis based on customer reviews/ratings are:
    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.”
    Multi Purpose Seal
    from $15.79
    (3)
    Multi Purpose Seal
    “good quality”
    Shaft Repair Sleeve
    from $37.99
    (1)
    Shaft Repair Sleeve
    “Very delicate piece, but came shipped quite safely and not damaged. High quality.”