1981 Pontiac Grand Prix Differentials

Essential 1981 Pontiac Grand Prix Differentials

USA Standard Gear – Pinion Installation Kit For GM 8.5" Rear (Part No.60012)

Pinion Installation Kit For GM 8.5" Rear

from

$115.99
8.5″ GM PINION KIT .

Product Features:
  • Fits GM 8.5″ rear
  • 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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Motive Gear – Differential Pinion Shim Kit (Part No.1104)

Differential Pinion Shim Kit

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$12.99


Product Features:
  • KIT SHIM
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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 Gear Install Kit (Part No.GM7.5IK)

Differential Gear Install Kit

from

$49.99


Product Features:
  • MINI INSTALL KIT GM 7.5
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Driveworks – Taper Bearing Cup (Part No.S-LM-501314)

Taper Bearing Cup

from

$7.29
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Yukon Gear – 8.2" Buick, Oldsmobile, Pontiac Cover Gasket, 10 Bolt Holes (Part No.23019)

8.2" Buick, Oldsmobile, Pontiac Cover Gasket, 10 Bolt Holes

from

$13.99
8.2″ Buick, Oldsmobile, Pontiac cover gasket, 10 bolt holes.

Product Features:
  • Cover gasket
  • Fits 8.2″ in Buick, Oldsmobile and Pontiac
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Yukon Gear – Pinion Nut (Part No.33152)

Pinion Nut

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$9.99
Pinion nut for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.25″, 8.5″, 8.6″, 9.25″ IFS, 9.5″ & Oldsmobile Dropouts. 1 1/4″ socket, 7/8″ x 14 thread.

Product Features:
  • Pinion nut for GM 7.2″, 7.5″, 7.625″, 8.0″, 8.25″ IFS, 8.5″, 8.6″, 9.25″ IFS and 9.5″
  • 7/8″ x 14 thread
  • 1 1/4″ socket
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USA Standard Gear – Standard Spider Gear Set For GM 8.5", 28 Spline (Part No.39026)

Standard Spider Gear Set For GM 8.5", 28 Spline

from

$209.99
Product Features:
  • Spider gear kit
  • Fits GM 8.5″ 28 spline open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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National – Shaft Repair Sleeve (Part No.99166)

Shaft Repair Sleeve

from

$34.99
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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Yukon Gear – Posi Spring Kit For GM 7.5", With Preload Plates (Part No.33206)

Posi Spring Kit For GM 7.5", With Preload Plates

from

$153.99
Product Features:
  • Positraction spring kit
  • Fits GM 7.5″ and 7.625″ Dura Grip
  • Includes preload plates
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Yukon Gear – Standard Open Carrier Case, GM 7.625", 3.23 & Up (Part No.20102)

Standard Open Carrier Case, GM 7.625", 3.23 & Up

from

$481.99
7.625″ GM standard Open case, 3.23 & up, Large & SM windows, loaded. 28 Spline.

Product Features:
  • Standard open carrier case and spiders
  • 7.5″ & 7.625″ 28 spline applications
  • 3.23 and up ratio only
  • Large and Small windows
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Richmond Gear – RngPnn (Part No.49-0095-1)

RngPnn

from

$389.99
RngPnn

Richmond Gear – RngPnnInstlKt (Part No.83-1021-1)

RngPnnInstlKt

from

$182.99
RngPnnInstlKt

Valvoline – ATF for Mercon®V Applications Conventional, 1 Quart (Part No.822345)

ATF for Mercon®V Applications Conventional, 1 Quart

from

$12.99
Valvoline ATF for MERCON®V Applications is a high-quality transmission fluid meeting and exceeding the requirements of the Ford Mercon V specification which covers most Ford passenger cars and light-duty trucks (except those specifying MERCON®SP, MERCON®LV or Type F fluids), including Lincoln and Mercury, as well as most pre-2006 GM vehicles and many imports. Recommended for use in the following applications: MERCON®V, MERCON®, DEXRON®-III, DEXRON®-II, Caterpillar TO-2, Allison C-4. Other applications include Power steering fluid where a DEXRON® or MERCON® fluid is recommended. Suitable to use in Nissan Matic D, Matic J and Matic K.

Product Features:
  • Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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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"

from

$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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Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt

from

$9.99
5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:
  • Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
  • 1/2″ head
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Yukon Gear – Cross Pin Bolt (Part No.33067)

Cross Pin Bolt

from

$6.99
Cross pin bolt for Chrysler 8.25″, 9.25″ rear, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 7.2″ IFs, 7.5″, 7.6″, 8.0″, 8.25″ IFS & 8.5″.

Product Features:
  • Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 botl car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS
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Motive Gear – Differential Mini Spool (Part No.MS7.5-28)

Differential Mini Spool

from

$101.99


Product Features:
  • MINI SPOOL GM 7 1/2″ 28 SPLINE
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Yukon Gear – Clutch Guide For GM 7.5" & 7.6" Dura Grip (Part No.33251)

Clutch Guide For GM 7.5" & 7.6" Dura Grip

from

$10.99
Product Features:
  • Clutch guide
  • Fits GM 7.5″ and 7.625″ Dura Grip
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Powertrax – Lock Right Locker (Part No.1910-LR)

Lock Right Locker

from

$376.99
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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    Dorman – Help – Pinion Crush Sleeves (Part No.81057)

    Pinion Crush Sleeves

    from

    $5.29
    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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    USA Standard Gear – Pinion Installation Kit For ’82-’99 GM 7.5" & 7.625" (Part No.60010)

    Pinion Installation Kit For '82-'99 GM 7.5" & 7.625"

    from

    $153.99
    7.5″ & 7.625″ GM 82-99 PINION KIT .

    Product Features:
    • Fits 1982-1999 GM 7.5″ and 7.625″
    • Uses Koyo bearings and races
    • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, marking compound and brush.
    See More

    Yukon Gear – Posi Shim Kit For GM 7.5" & 7.625" Eaton Positraction (Part No.16047)

    Posi Shim Kit For GM 7.5" & 7.625" Eaton Positraction

    from

    $42.99
    Product Features:
    • Shim kit
    • Fits GM 7.5″ and 7.625″ with Eaton positraction
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    Yukon Gear – Bearing Race Driver (Part No.56017)

    Bearing Race Driver

    from

    $215.99
    Bearing race driver. No return.

    Product Features:
    • Bearing race driver
    • Fits HM89410 race
    • All steel construction
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    Yukon Gear – 8.5" & 8.6" GM Standard Open Pinion Gear Thrust Washer – Also Fits 8.5" Eaton With 0.795" Cross Pin (Part No.33385)

    8.5" & 8.6" GM Standard Open Pinion Gear Thrust Washer - Also Fits 8.5" Eaton With 0.795" Cross Pin

    from

    $10.99
    8.5″ & 8.6″ GM standard Open pinion gear Thrust washer. also fits 8.5″ Eaton with 0.795″ cross pin.

    Product Features:
    • Pinion gear thrust washer for GM 8.5″ and 8.6″
    • Fits standard open differentials only
    • 0.795″ I.D.
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    Pro-King – Differential Ring Gear Bolt (Part No.742J935)

    Differential Ring Gear Bolt

    from

    $0.91
    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

    Yukon Gear – Standard Open Side Gear Thrust Washer For 8.5" GM (Part No.33304)

    Standard Open Side Gear Thrust Washer For 8.5" GM

    from

    $15.99
    Standard open side gear thrust washer for 8.5″ GM.

    Product Features:
    • Side gear thrust washer
    • Fits GM 8.5″
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    USA Standard Gear – Standard Spider Gear Set For GM 8.5", 30 Spline (Part No.39027)

    Standard Spider Gear Set For GM 8.5", 30 Spline

    from

    $214.99
    Product Features:
    • Spider gear kit
    • Fits GM 8.5″ 30 spline open differential
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
    See More

    1981 Pontiac Grand Prix Differentials

    Maybe you’re in the middle of a full rebuild of that 1981 Pontiac Grand Prix. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 207 different Differentials in our inventory ranging from $2.49 to $1,153.99. That means you can find the exact parts or products you need to keep that 1981 Pontiac Grand Prix 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 1981 Pontiac Grand Prix. Driveworks, National, and Yukon Gear 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 1981 Pontiac Grand Prix, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,146 reviews in this category, some of the top rated parts include Bearings with 4.7 stars and Wheel Bearing and Seal Kit with 5.0 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1981 Pontiac Grand Prix 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 1981 Pontiac Grand Prix Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1981 Pontiac Grand Prix 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 Prix 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 Rear Differential Cover Gaskets categories, plus more. For a 1981 Pontiac Grand Prix, our most popular Felpro Differentials include:
    DIFFERENTIAL GASKET
    from $7.99
    (45)
    DIFFERENTIAL GASKET
    Rear Differential Cover Gaskets

    FAQs for 1981 Pontiac Grand Prix Differentials

    What are the most purchased Differentials for the 1981 Pontiac Grand Prix?

    Out of 207 Differentials for the 1981 Pontiac Grand Prix, the most popular in our inventory are:
    Taper Bearing Set
    from $10.29
    (38)
    Taper Bearing Set
    Differential Bearings
    Bearings
    from $16.99
    (25)
    Bearings
    Differential Bearings
    Differential Shaft Lock Bolt
    from $5.99
    (11)
    Differential Shaft Lock Bolt
    Differential Pinion Shaft Lock Bolts

    What are the top-rated 1981 Pontiac Grand Prix Differentials?

    Top-rated Differentials for your 1981 Pontiac Grand Prix based on customer reviews/ratings are:
    Bearings
    from $18.79
    (3)
    Bearings
    “as advertised”
    Wheel Bearing and Seal Kit
    from $151.99
    (2)
    Wheel Bearing and Seal Kit
    “All you need to overhaul a diff, at a good price”
    Taper Bearing Cone
    from $17.99
    (2)
    Taper Bearing Cone
    “good deal”