1988 Mercury Cougar Differentials

Essential 1988 Mercury Cougar Differentials

Yukon Gear – Ford 8" & 9" Tracloc Ring Gear Bolt (Part No.33044)

Ford 8" & 9" Tracloc Ring Gear Bolt

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$4.99
Ford 8″ & 9″ TracLoc ring gear bolt, 1-1/4″ long.

Product Features:
  • Ring gear bolt for Ford 8″ and 9″
  • For use with Trac Loc limited slip
  • 1.25″ long
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USA Standard Gear – Standard Spider Gear Set For Ford 8" & 9", 28 Spline, 2-Pinion Design (Part No.39017)

Standard Spider Gear Set For Ford 8" & 9", 28 Spline, 2-Pinion Design

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$198.99
Product Features:
  • Spider gear kit
  • Fits Ford 8″ and 9″ 28 spline open differential
  • Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
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National – Multi Purpose Seal (Part No.8181NA)

Multi Purpose Seal

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$11.79
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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USA Standard Gear – Master Overhaul Kit for the Ford 9" LM603011 Differential with Daytona Pinion Support (Part No.37038)

Master Overhaul Kit for the Ford 9" LM603011 Differential with Daytona Pinion Support

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$273.99
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 9″ with LM603011 carrier races and Daytona pinion support
  • 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, pilot bearing, thread locker, marking compound with brush and gasket.
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Yukon Gear – Bearing Race Driver (Part No.56022)

Bearing Race Driver

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$188.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M86610 race
  • All steel construction
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Felpro – Differential Cover Gasket (Part No.RDS 55341)

Differential Cover Gasket

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$14.99
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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USA Standard Gear – 9" Ford Spartan Locker Cross Pin, Short (Part No.17022)

9" Ford Spartan Locker Cross Pin, Short

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$26.99
9″ Ford Spartan locker cross pin, short.

Product Features:
  • USA Standard Gear heavy-duty cross pin shaft
  • Fits Ford 9″
  • Works with Spartan Locker or standard open spider gears
  • Short shaft for four pinion designs
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Yukon Gear – Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25" (Part No.33022)

Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25"

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$8.99
Replacement outer oil slinger for Ford 7.5″, 8.8″, 9″, 10.25″, Nissan Titan rear, Dana 44 Rubicon & 44 JK non-Rubicon.

Product Features:
  • Outer oil slinger for Ford 10.25″, 7.5″, 8.8″ and 9″ also Jeep JK and Nissan Titan rear
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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 – Carrier Installation Kit For Ford 8.8" Differential (Part No.57007)

    Carrier Installation Kit For Ford 8.8" Differential

    from

    $134.99
    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
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    Yukon Gear – 18 Plate Steel Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16110)

    18 Plate Steel Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

    from

    $483.99
    Product Features:
    • Clutch 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
    • 18 piece kit
    • Steel clutches
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    Pro-King – Differential Cross Shaft (Part No.742G930)

    Differential Cross Shaft

    from

    $2.79
    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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    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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    Powertrax – Grip LOK Traction System (Part No.LK109031)

    Grip LOK Traction System

    from

    $679.99
    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!
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    Yukon Gear – Side Gear And Thrust Washer (0.875" Shaft) For 8.8" Ford (Part No.33300)

    Side Gear And Thrust Washer (0.875" Shaft) For 8.8" Ford

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    $11.99
    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
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    Motive Gear – Differential Mini Spool (Part No.MS88-31)

    Differential Mini Spool

    from

    $101.99


    Product Features:
    • MINI SPOOL 8.8 FORD 31SPL
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    Dorman – Differential Clutch Kit (Part No.697-780)

    Differential Clutch Kit

    from

    $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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    Yukon Gear – Lightweight Steel Spool For Ford 9" With 31 Spline Axles (Part No.32046)

    Lightweight Steel Spool For Ford 9" With 31 Spline Axles

    from

    $313.99
    Yukon Performance 2-1/8″ deck lightweight steel spool for 9″ Ford with 31 spline axles. Spool uses 1.785″ journal bearings. 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 31 spline axles
    • Lightweight design
    • Provides 100% traction to both wheels at all times
    • Not recommended for street driven vehicles
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    Richmond Gear – RngPnnInstlKt (Part No.83-1011-B)

    RngPnnInstlKt

    from

    $48.99
    RngPnnInstlKt

    Yukon Gear – Set Up Bearing (Part No.56045)

    Set Up Bearing

    from

    $153.99
    M802048 set-up bearing (one bearing). No return.

    Product Features:
    • Set up bearing
    • Fits M802048 pinion bearing
    • Easily slips on and off pinion journal to allow for easier pinion depth adjustment
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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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    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"

    from

    $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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    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

    from

    $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 – Trac Loc Friction Plate, Single Sided, 4 Tab (Part No.16179)

    Trac Loc Friction Plate, Single Sided, 4 Tab

    from

    $29.99
    Product Features:
    • Friction plate
    • Fits Ford 8″ and 9″ Trac Loc
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    Yukon Gear – Trac Loc Spring For Ford 7.5" (Part No.33514)

    Trac Loc Spring For Ford 7.5"

    from

    $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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    Yukon Gear – High Performance Ring & Pinion Gear Set For Ford 9" In A 6.00 Ratio (Part No.24392)

    High Performance Ring & Pinion Gear Set For Ford 9" In A 6.00 Ratio

    from

    $489.99
    Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

    Product Features:
    • Fits Ford 9″
    • 9.00″ ring gear diameter
    • 28 spline
    • 10 ring gear bolts
    • 6.00 ratio
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    Yukon Gear – 8.8" Ford Cover Gasket (Part No.23011)

    8.8" Ford Cover Gasket

    from

    $12.99
    8.8″ Ford cover gasket.

    Product Features:
    • Cover gasket
    • Fits Ford 8.8″
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    Pro-King – Differential Cover Gasket (Part No.762B303)

    Differential Cover Gasket

    from

    $3.99
    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.
    See More

    1988 Mercury Cougar Differentials

    Maybe you’re in the middle of a full rebuild of that 1988 Mercury Cougar. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 212 different Differentials in our inventory ranging from $0.99 to $1,099.99. That means you can find the exact parts or products you need to keep that 1988 Mercury Cougar 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 1988 Mercury Cougar. 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 1988 Mercury Cougar, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,307 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 1988 Mercury Cougar 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 1988 Mercury Cougar Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1988 Mercury Cougar 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 Cougar 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 1988 Mercury Cougar, our most popular Powertrax Differentials include:
    Lock Right Locker
    from $444.99
    (1)
    Lock Right Locker
    Differential Open Unit and Components

    FAQs for 1988 Mercury Cougar Differentials

    What are the most purchased Differentials for the 1988 Mercury Cougar?

    Out of 212 Differentials for the 1988 Mercury Cougar, 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 1988 Mercury Cougar Differentials?

    Top-rated Differentials for your 1988 Mercury Cougar 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.”