1981 Mercury Grand Marquis Drivetrains

Essential 1981 Mercury Grand Marquis Drivetrains

Dorman – Rear Axle Shaft, Left or Right (Part No.630-209)

Rear Axle Shaft, Left or Right

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$258.99
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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Motive Gear – Differential Gear Install Kit (Part No.F9IK)

Differential Gear Install Kit

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$33.99
Product Features:
  • MINI INSTALL KIT FORD 9″
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Yukon Gear – Short Yoke For Ford 9" With 28 Spline Pinion And A 1310 U/Joint Size (Part No.41054)

Short Yoke For Ford 9" With 28 Spline Pinion And A 1310 U/Joint Size

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$121.99
Yukon short yoke for Ford 9″ with 28 spline pinion and a 1310 U/joint size. 3.219″ snap ring span, 1.062″ cap diameter. Outside snap ring. 4″ length. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Ford 9″
  • 28 spline
  • 1310 u-joint size
  • 3.219″ snap ring span
  • 1.062″ cap diameter
  • Outside snap ring design
  • U-bolt style
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Yukon Gear – Trac Loc Spring For Ford 7.5" (Part No.33514)

Trac Loc Spring For Ford 7.5"

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$67.99
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 Dura Grip uses a nodular case and forged 4320 in

Product Features:
  • Trac Loc spring
  • Fits Ford 7.5″
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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 – 7.5" Ford Cover Gasket (Part No.23009)

7.5" Ford Cover Gasket

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$9.99
7.5″ Ford cover gasket.

Product Features:
  • Cover gasket
  • Fits Ford 7.5″
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Redline Synthetic "Shock Proof" Oil - 3 Quarts

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$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:
  • Includes three quarts of Redline Shockproof oil
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Yukon Gear – Flange Yoke For 8.8" Ford Passenger And 8.8" Ford IFS Truck (4.3" Od) (Part No.41048)

Flange Yoke For 8.8" Ford Passenger And 8.8" Ford IFS Truck (4.3" Od)

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$286.99
Yukon flange yoke for 8.8″ Ford passenger and 8.8″ Ford IFS truck (4.3″ OD). All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Ford 8.8″
  • 30 spline
  • Round companion flange
  • 4.3″ O.D.
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Yukon Gear – Standard Open Spider Gear Kit For 8.8" Ford With 31 Spline Axles (Part No.16021)

Standard Open Spider Gear Kit For 8.8" Ford With 31 Spline Axles

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$299.99
Yukon standard open spider gear kit for 8.8″ Ford with 31 spline axles and 7/8″ 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
  • Fits Ford 8.8″ with 31 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
  • 0.875″ cross pin shaft diameter
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USA Standard Gear – Pinion Installation Kit For ’09 & Down Ford 8.8 (Part No.60009)

Pinion Installation Kit For '09 & Down Ford 8.8

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$119.99
8.8″ FORD 09 & DWN PINION KIT .

Product Features:
  • Fits 2009 and down Ford 8.8″
  • Uses Koyo bearings and races
  • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, marking compound and brush.
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National – Bearings (Part No.M802011)

Bearings

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$14.79
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Spartan – Drive Axle Assembly; Ford 98-02 Lockup Axle (Part No.RAXP1917AC)

Drive Axle Assembly; Ford 98-02 Lockup Axle

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$1993.99
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
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Yukon Gear – Standard Open & Tracloc Pinion Gear And Thrust Washer For 7.5" Ford (Part No.33296)

Standard Open & Tracloc Pinion Gear And Thrust Washer For 7.5" Ford

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$10.99
Standard Open & TracLoc pinion gear thrust washer for 7.5″ Ford.

Product Features:
  • Pinion gear thrust washer
  • Fits Ford 7.5″
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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 – Forged Yoke For Ford 8.8" With A 1350 U/Joint Size (Part No.41051)

    Forged Yoke For Ford 8.8" With A 1350 U/Joint Size

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    $246.99
    Yukon forged yoke for Ford 8.8″ with a 1350 U/joint size (stronger than billet). 3.625″ snap ring span, 1.188″ cap diameter. Outside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

    Product Features:
    • Fits Ford 8.8″
    • 30 spline
    • 1350 u-joint size
    • Outside snap ring design
    • 3.625″ snap ring span
    • 1.188″ cap diameter
    • U-bolt style
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    Yukon Gear – C/Clip (Part No.33083)

    C/Clip

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    $8.99
    C/Clip for Chrysler 8.25″, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 8.2″, 8.5″ & 8.6″.

    Product Features:
    • c-clip for Chrysler 8.25″, Ford 8.8″, GM 12 bolt car and truck and GM 8.2″, 8.5″ and 8.6″
    • .150″ thick
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    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 – Spindle Washer – I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (Part No.618-013.1)

    Spindle Washer - I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In.

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    $4.29
    This spindle nut washer 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 spindle nut washer matches the fit and function of the factory part on specified years, makes and models
    • Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
    • 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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    Spicer – SPICER U-JOINT (Part No.5-1310-1X)

    SPICER U-JOINT

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    $44.99
    SPICER U-JOINT

    Motive Gear – Differential Bearing Kit – Koyo (Part No.R9RS)

    Differential Bearing Kit - Koyo

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    $105.99
    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 FD 9″
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    Yukon Gear – The Carrier Bearing Puller (Part No.56072)

    The Carrier Bearing Puller

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    $883.99
    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 one ton applications including 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
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    Motive Gear – Performance Differential Ring and Pinion (Part No.F888331)

    Performance Differential Ring and Pinion

    from

    $263.99


    Product Features:
    • FRD 10BLT 8.8 R/P 3.31 MGP
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    Yukon Gear – Grizzly Locker For Ford 9" With 28 Spline Axles (Part No.28008)

    Grizzly Locker For Ford 9" With 28 Spline Axles

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    $947.99
    The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″ & 10″ dropouts.

    Product Features:
    • Fits Ford 9″ with 28 spline axles
    • Patented internal design reduces common locker failures
    • 8620 internals for added strength
    • Assembled in the USA
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    National – Bearings (Part No.M88010)

    Bearings

    from

    $10.49
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
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    Yukon Gear – Axle Seal For 5707 Or 1563 Bearing (Part No.30196)

    Axle Seal For 5707 Or 1563 Bearing

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    $6.99
    Axle seal for 5707 OR 1563 bearing.Yukon Mighty seal.

    Product Features:
    • Rear axle seal
    • 2.250″ O.D.
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    MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.369)

    Greaseable Premium Universal Joint

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    $19.99
    Backed by superior materials and rigorous testing, MOOG Heavy Duty universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

    Product Features:
    • BUILT TO LAST — Rugged design specifically engineered for fleets, off-highway and commercial vehicles
    • STRONG AND DURABLE — Bearing cups are cold-formed, case-hardened and precision ground for strength and durability
    • KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
    • GREASEABLE DESIGN — Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution
    • INHIBITS PREMATURE WEAR — Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear
    • RELIABLE PERFORMANCE — Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup
    • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
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    Yukon Gear – 7.5" Ford Notched Cross Pin Shaft (Part No.33430)

    7.5" Ford Notched Cross Pin Shaft

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    $84.99
    7.5″ Ford notched cross pin shaft. Not Auburn gear. This cross pin shaft is not compatible with Powertrax Lock Rights or Spartan Lockers.

    Product Features:
    • Notched cross pin shaft for Ford 7.5″
    • 3.73 and up ratios
    • Not compatible with Spartan Locker or Powertrax Lock Right
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    USA Standard Gear – 9" Ford Spartan Locker Cross Pin, Long (Part No.17021)

    9" Ford Spartan Locker Cross Pin, Long

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    $49.99
    Product Features:
    • USA Standard Gear heavy-duty cross pin shaft
    • Fits Ford 9″
    • Works with Spartan Locker or standard open spider gears
    • Long shaft
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    Popular 1981 Mercury Grand Marquis Drivetrains Categories

    1981 Mercury Grand Marquis Drivetrains

    You count on your 1981 Mercury Grand Marquis to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Drivetrains. With 240 Drivetrains ranging in price from $0.99 to $1,099.99, you’re sure to find everything you need for your 1981 Mercury Grand Marquis.

    Brands matter. If you want to shop a specific Drivetrains brand, we stock 16 different brands like Moog, Driveworks, and Felpro. 1981 Mercury Grand Marquis Drivetrains start as low as $0.99!

    One of the best ways to find top quality OEM or aftermarket Drivetrains is by asking professionals. Short of that, you can shop with confidence thanks to our 4,000 extensive product reviews on 1981 Mercury Grand Marquis Drivetrains. Some of the top-rated Drivetrains products we carry are Oil Seal with 4.8 stars and Greaseable Super Strength Universal Joint with 3.9 stars.

    Did we mention you can order your Drivetrains from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Drivetrains inventory for your 1981 Mercury Grand Marquis below to get started!

    Top-Rated Drivetrains Brands For Your 1981 Mercury Grand Marquis

    Trusted Drivetrains OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1981 Mercury Grand Marquis running right for years to come. In our inventory you’ll find brands like Moog, Driveworks, Felpro, and even more.

    Popular Powertrax Drivetrains

    You’ll find popular Powertrax brand products across Differentials. All are waiting to get your 1981 Mercury Grand Marquis back on the road. Some of the top-rated Powertrax products in these categories are:
    Lock Right Locker
    from $444.99
    (1)
    Lock Right Locker
    Differential Open Unit and Components

    FAQs for 1981 Mercury Grand Marquis Drivetrains

    What are the most purchased Drivetrains for the 1981 Mercury Grand Marquis?

    Out of 240 Drivetrains for the 1981 Mercury Grand Marquis, the most popular in our inventory are:
    Differential Cover Gasket
    from $14.99
    (121)
    Differential Cover Gasket
    Rear Housing Cover Gaskets
    Universal Joint
    from $15.99
    (33)
    Universal Joint
    U-Joints
    Universal Joint
    from $15.99
    (65)
    Universal Joint
    U-Joints

    What are the top-rated 1981 Mercury Grand Marquis Drivetrains?

    Top-rated Drivetrains for your 1981 Mercury Grand Marquis based on customer reviews/ratings are:
    Oil Seal
    from $5.49
    (38)
    Oil Seal
    “Exact fit , price was good”
    Greaseable Super Strength Universal Joint
    from $36.99
    (35)
    Greaseable Super Strength Universal Joint
    “Good ujoint”
    Non-Greaseable Super Strength Universal Joint
    from $32.99
    (30)
    Non-Greaseable Super Strength Universal Joint
    “Working great.”