1979 Pontiac Grand Prix Differentials

Essential 1979 Pontiac Grand Prix Differentials

Motive Gear – Differential Pinion Nut (Part No.3752901)

Differential Pinion Nut

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$7.49
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both o
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USA Standard Gear – Master Overhaul Kit for the GM 8.5 Differential with HD Posi or Locker (Part No.37057)

Master Overhaul Kit for the GM 8.5 Differential with HD Posi or Locker

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$208.99
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 GM 8.5″ rear with aftermarket positraction
  • 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, thread locker, marking compound with brush and gasket.
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Yukon Gear – Pinion Nut Washer (Part No.33167)

Pinion Nut Washer

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$14.99
Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.5″, 8.6″ & 9.5″.

Product Features:
  • Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.625″, 7.6″ IFS, 8.5″, 8.6″ and 9.5″.
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Driveworks – Taper Bearing Cone (Part No.S-M-86649)

Taper Bearing Cone

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$8.79
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Felpro – Differential Cover Gasket (Part No.RDS 13410)

Differential Cover Gasket

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$11.49
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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Richmond Gear – RngPnnInstlKt (Part No.83-1019-B)

RngPnnInstlKt

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$39.49
RngPnnInstlKt

Powertrax – No-Slip Traction System (Part No.9207853005)

No-Slip Traction System

from

$544.99
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!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 – 14 Plate Dura Grip Composite Clutches, GM 7.5 (Part No.16119)

    14 Plate Dura Grip Composite Clutches, GM 7.5

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    $202.99
    14 plate DURAGRIP COMPOSITE clutches, GM 7.5.

    Product Features:
    • Clutch kit
    • Fits GM 7.5″ and 7.625″ with Dura Grip positraction
    • Steel clutches
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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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    Yukon Gear – Positraction Clutch Guide (Part No.33352)

    Positraction Clutch Guide

    from

    $8.99
    Positraction clutch guide.

    Product Features:
    • Clutch guide for Chrysler 9.25″, Dana Spicer 44, Dana Spicer 50, Ford 8.8″, GM 12 bolt passenger car, GM 8.2″, 8.5″ and 8.6″, 1963-1979 Corvette and Nissan Titan
    • Compatible with Dura Grip positractions only
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    Motive Gear – Differential Pinion Seal (Part No.8460N)

    Differential Pinion Seal

    from

    $8.29
    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 – Notched Cross Pin Shaft For 7.5" GM (Part No.33435)

    Notched Cross Pin Shaft For 7.5" GM

    from

    $73.99
    Notched cross pin shaft for 7.5″ GM. This cross pin shaft is not compatible with Powertrax Lock Rights or Spartan Lockers.

    Product Features:
    • Cross pin shaft
    • Fits GM 7.5″
    • Notched
    • Not compatible with Spartan Lockers or Lock Rights
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    Yukon Gear – Steel Cover For GM 7.5" & 7.625" (Part No.32331)

    Steel Cover For GM 7.5" & 7.625"

    from

    $61.99
    Product Features:
    • Fits GM 7.5″ and 7.625″
    • Steel
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    Richmond Gear – Differential Mini Spool (Part No.78-1028-1)

    Differential Mini Spool

    from

    $124.99
    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 – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

    Redline Synthetic "Shock Proof" Oil - 4 Quarts

    from

    $137.99
    Redline Synthetic “Shock Proof” Oil. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil
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    Yukon Gear – Bearing Race Driver (Part No.56020)

    Bearing Race Driver

    from

    $188.99
    Bearing race driver. No return.

    Product Features:
    • Bearing race driver
    • Fits M802011 race
    • All steel construction
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    Pro-King – Differential Internal Nest Kit (Part No.741A717)

    Differential Internal Nest Kit

    from

    $184.99
    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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    Powertrax – No-Slip Traction System (Part No.9207752605)

    No-Slip Traction System

    from

    $518.99
    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!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!
  • See More

    Yukon Gear – Ring Gear Bolt (Part No.33046)

    Ring Gear Bolt

    from

    $6.99
    Ring gear bolt for GM 12 bolt car & truck, 8.2″, 8.2″ for Buick/Olds/Pontiac, 63-79 Corvette & 55-62 GM Car & Truck. 3/8″ x 24.

    Product Features:
    • Ring gear bolt for GM 12 bolt passenger car and truck, 1955-1964 passenger car and truck, GM 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and 1963-1979 Corvette
    • 3/8″ x 24 thread
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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 – GM 8.2" Crush Sleeve (Part No.33103)

    GM 8.2" Crush Sleeve

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    $16.99
    GM 8.2″ crush sleeve w/OEM ring & pinion (NOT AFTERMARKET ring & pinion). 2.470″ long.

    Product Features:
    • Crush sleeve for GM 8.2″ with OEM ring and pinion set
    • 2.470″ tall
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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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    Yukon Gear – Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck (Part No.55064)

    Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck

    from

    $39.99
    8″ Toyota, 7.5″ GM, 8.2″ GM, 12T, pinion shim set, & Mazda truck.

    Product Features:
    • Pinion depth shim kit for Toyota 7.5″, 8″ and V6
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    National – Bearings (Part No.A-6)

    Bearings

    from

    $16.99
    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 – 8.5" GM Extra HD Standard Open Case (Uses Larger Bearings) (Part No.20084)

    8.5" GM Extra HD Standard Open Case (Uses Larger Bearings)

    from

    $266.99
    8.5″ GM EXTRA HD standard Open case (uses larger bearings).

    Product Features:
    • Standard open carrier case
    • Fits GM 8.5″ with 28 or 30 spline axles
    • 2.73 and up ratio only
    • Does not include spider gears
    • Has larger carrier carrier bearing journals for high strength
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    Motive Gear – Performance Differential Ring and Pinion (Part No.G885342)

    Performance Differential Ring and Pinion

    from

    $322.99


    Product Features:
    • GM 10BL 8.5 R/P 3.42 FRT/REAR MGP
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    Yukon Gear – Adapter Sleeve Fro GM 7.2", 7.625" & 8.0" Yokes To Use Triple Lip Pinion Seal (Part No.41210)

    Adapter Sleeve Fro GM 7.2", 7.625" & 8.0" Yokes To Use Triple Lip Pinion Seal

    from

    $25.99
    Yukon 4340 Chrome-Moly replacement outer stub for D44 ’87-’94 Wrangler with a length of 8.31″ and 27 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

    Product Features:
    • 27 spline
    • 8.31″ long
    • Fits Dana Spicer 30 in 1987-1994 Wrangler
    • Outer stub
    • 5-760X U-joint size
    • 4340 Chromoly
    • For WARN hub conversion only
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    Yukon Gear – Mini Spool For GM 8.5" With 30 Spline Axles (Part No.32233)

    Mini Spool For GM 8.5" With 30 Spline Axles

    from

    $188.99
    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 GM 8.5″ with 30 spline axles
    • Installs into a standard open carrier case
    • Provides 100% traction to both wheels at all times
    • Not recommended for street driven vehicles
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    1979 Pontiac Grand Prix Differentials

    Maybe you’re in the middle of a full rebuild of that 1979 Pontiac Grand Prix. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 203 different Differentials in our inventory ranging from $2.49 to $1,014.99. That means you can find the exact parts or products you need to keep that 1979 Pontiac Grand Prix running smoothly.

    Differentials are only as good as their brand. We stock 12 different brands to make sure you have plenty of trusted parts to choose from for your 1979 Pontiac Grand Prix. National, Yukon Gear, and Felpro 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 1979 Pontiac Grand Prix, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,170 reviews in this category, some of the top rated parts include Multi Purpose Seal with 4.0 stars and Bearings with 5.0 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1979 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 1979 Pontiac Grand Prix Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1979 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 1979 Pontiac Grand Prix, our most popular Felpro Differentials include:
    DIFFERENTIAL GASKET
    from $7.99
    (45)
    DIFFERENTIAL GASKET
    Rear Differential Cover Gaskets

    FAQs for 1979 Pontiac Grand Prix Differentials

    What are the most purchased Differentials for the 1979 Pontiac Grand Prix?

    Out of 203 Differentials for the 1979 Pontiac Grand Prix, the most popular in our inventory are:
    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
    Ring Gear Bolt
    from $2.49
    This product is not rated
    Ring Gear Bolt
    Differential Ring Gear Bolts

    What are the top-rated 1979 Pontiac Grand Prix Differentials?

    Top-rated Differentials for your 1979 Pontiac Grand Prix based on customer reviews/ratings are:
    Multi Purpose Seal
    from $15.99
    (4)
    Multi Purpose Seal
    “Perfect”
    Bearings
    from $10.49
    (2)
    Bearings
    “Reasonable price and woks well. front diff 2006 Escalade esv”
    GM Differential Cover Camaro/S-10
    from $47.99
    (1)
    GM Differential Cover Camaro/S-10
    “this cover went right on. it comes with a gasket & bolts plus the chrome looks great. you cant beat the price for all you get.”