1966 Pontiac GTO Differentials

Essential 1966 Pontiac GTO Differentials

Yukon Gear – Dropout Pinion Seal For Oldsmobile And Pontiac (Part No.30100)

Dropout Pinion Seal For Oldsmobile And Pontiac

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$65.99
Dropout pinion seal for Oldsmobile and Pontiac.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits Oldsmobile dropout
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Yukon Gear – Redi Sleeve For GM 8.5", 9.5" & 8.2" Bop Yokes (Part No.30229)

Redi Sleeve For GM 8.5", 9.5" & 8.2" Bop Yokes

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$57.99
8.5, 9.5, & 8.2 Buick, Oldsmobile, Pontiac GM REDI sleeve yoke saver.Yukon Mighty seal.

Product Features:
  • Pinion Redi-sleeve
  • Fits GM 8.5″, 9.5″ and 8.2″ Buick, Oldsmobile and Pontiac
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USA Standard Gear – Spartan Spring & Pin Kit, Fits Smaller Designs (Part No.17011)

Spartan Spring & Pin Kit, Fits Smaller Designs

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$26.99
Spartan spring & pin kit, fits smaller designs.

Product Features:
  • Replacement spring and pin kit for Spartan Locker
  • Fits Dana 30, Dana 44, AMC Model 20, AMC Model 35, and Toyota designs
  • Includes 4 springs and 4 alignment pins
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Motive Gear – Differential Crush Sleeve (Part No.3507575)

Differential Crush Sleeve

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$2.49


Product Features:
  • CRUSH SLEEVE 7.25 & 8.25 MIN ORDER 5000
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Dorman – Differential Ring And Pinion Set (Part No.697-812)

Differential Ring And Pinion Set

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$216.99
This differential ring and pinion directly replaces the original equipment on specific vehicle years, makes and models.

Product Features:
  • Direct replacement – this ring and pinion set matches the fit and function of the original components on certain vehicle applications
  • Effective fix – eliminates grinding and whining from failed original bearings
  • Thoroughly tested – vehicle try-on testing and rigorous quality control measures ensure longevity
  • Trustworthy quality – backed by team of designers and engineers in the United States
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National – Bearings (Part No.M88010)

Bearings

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$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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Pro-King – Differential Bearing Cone (Part No.742G255)

Differential Bearing Cone

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$19.79
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 Master Bearing Kit – Koyo (Part No.R10REMK)

Differential Master Bearing Kit - Koyo

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$113.99
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:
  • GM 10 BOLT 8.5″ MSTR KIT W/EATON OR AUBURN PRO
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Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

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$44.99
3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:
  • Includes three quarts of conventional oil
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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

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$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 Install Kit For GM 8.5" Differential (Part No.13069)

Pinion Install Kit For GM 8.5" Differential

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$173.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

Product Features:
  • Fits GM 8.5″ rear
  • Included are pinion bearings and races, pinion seal, crush sleeve , complete pinion shim kit, and marking compound with brush.
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Yukon Gear – 1541H Alloy Rear Axle For GM 8.2" (Part No.21289)

1541H Alloy Rear Axle For GM 8.2"

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$234.99
Yukon 1541H alloy rear axle for GM 8.2″ with length of 29-7/8″ and 28 splines axle shaft for use with Buick, Oldsmobile, and Pontiac. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. long splines can be chopped off.

Product Features:
  • Fits 8.2″ Buick, Oldsmobile and Pontiac
  • 28 spline
  • 29 7/8″ long
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Richmond Gear – Differential Cross Shaft (Part No.CSPGM12)

Differential Cross Shaft

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$27.49
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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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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Powertrax – Lock Right Locker (Part No.1940-LR)

Lock Right Locker

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$441.99
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 – 8.6" GM 12P 12T & F8.8 Carrier Installation Kit (Part No.57010)

    8.6" GM 12P 12T & F8.8 Carrier Installation Kit

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    $121.99
    Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.6″, 12 bolt car and 12 bolt truck differential. This kit contains carrier bearings, races and shims.

    Product Features:
    • Fits GM 12 bolt passenger car and truck and 8.6″
    • Includes carrier bearings and races and “super” carrier shim kit
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    Motive Gear – Differential Gear Install Kit (Part No.GM8.5OIK)

    Differential Gear Install Kit

    from

    $62.99


    Product Features:
    • 8.5 “O” AXLE MINI INSTALLATION KIT
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    Felpro – Axle Housing Cover Gasket (Part No.RDS 6431)

    Axle Housing Cover Gasket

    from

    $9.79
    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 – Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette (Part No.55002)

    Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette

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    $59.99
    Product Features:
    • Super carrier shim kit for Ford 8.8″, GM 12 bolt passenger car and truck, GM 8.0″, 8.6″, 8.6″ IRS and 1963-1979 Corvette
    • Interlocking design makes installation much easier
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    Spectre – Differential Cover (Part No.60879)

    Differential Cover

    from

    $189.99
    Spectre’s Polished Aluminum Differential Covers feature a finned design and 10 bolt assembly for optimum fit and function. Includes 10 SAE standard bolts for installation. You’ll need to supply your own bolts if your vehicle uses metric bolts. Manufactured using high quality materials this product was designed to perform as well as they look.

    Product Features:
    • Polished aluminum
    • 10 bolt cover with finned design
    • Gasket included
    • 10 gold Iridite 3/8 inch -18 x 3/4 inch differential cover bolts included
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    Yukon Gear – Star Washer For GM 12 Bolt Posi Cross Pin Bolt (Part No.33348)

    Star Washer For GM 12 Bolt Posi Cross Pin Bolt

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    $5.99
    Star washer for GM 12 bolt posi cross pin bolt.

    Product Features:
    • Star washer
    • Fits GM 12 bolt passenger car
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    National – Bearings (Part No.LM102910)

    Bearings

    from

    $6.99
    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
    See More

    Yukon Gear – Ring Gear Bolt (Part No.33049)

    Ring Gear Bolt

    from

    $6.99
    Ring gear bolt for GM 7.5″, 7.6″, 7.6″ IRS, 8.0″, 8.25″ IFS, 8.5″, 8.6″ & 8.6″ IRS. 7/16″ x 20.

    Product Features:
    • Ring gear bolt for GM 7.5″, 7.625″, 7.6″ IRS, 8.0″, 8.25″ IFS, 8.5″, 8.6″ and 8.6″ IRS
    • 7/16″ x 20
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    Yukon Gear – Cast Yoke For GM 8.5" With A 1350 U/Joint Size (Part No.41092)

    Cast Yoke For GM 8.5" With A 1350 U/Joint Size

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    $234.99
    Yukon cast yoke for GM 8.5″ with a 1350 U/joint size. 3.625″ snap ring span, 1.188″ cap diameter. Outside snap ring. This yoke uses straps. All Yukon yokes come with a one year warranty against manufacturing defects.

    Product Features:
    • Fits GM 8.5″
    • 30 spline
    • 1350 u-joint size
    • Outside snap ring design
    • 3.625″ snap ring span
    • 1.188″ cap diameter
    • Strap style
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    USA Standard Gear – Spartan Locker For GM 12 Bolt Car & Truck With 30 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17032)

    Spartan Locker For GM 12 Bolt Car & Truck With 30 Spline Axles, Includes Heavy-Duty Cross Pin Shaft

    from

    $672.99
    The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

    Product Features:
    • Fits GM 12 bolt car and truck with 30 spline axles
    • Made from 9310 steel for added strength
    • Replaces the spiders in a standard carrier case
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    Yukon Gear – Positraction Internals For GM 12 Bolt Car And Truck With 33 Spline Axles (Part No.16040)

    Positraction Internals For GM 12 Bolt Car And Truck With 33 Spline Axles

    from

    $305.99
    Yukon positraction internals for GM 12P and 12T with 33 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects.

    Product Features:
    • Spider gear kit
    • Fits GM 12 bolt passenger car with 33 spline Dura Grip positraction
    • Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
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    USA Standard Gear – Master Overhaul Kit for the GM 8.5 Differential (Part No.37055)

    Master Overhaul Kit for the GM 8.5 Differential

    from

    $206.99
    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
    • 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 – 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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    1966 Pontiac GTO Differentials

    Maybe you’re in the middle of a full rebuild of that 1966 Pontiac GTO. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 128 different Differentials in our inventory ranging from $0.91 to $1,020.00. That means you can find the exact parts or products you need to keep that 1966 Pontiac GTO running smoothly.

    Differentials are only as good as their brand. We stock 11 different brands to make sure you have plenty of trusted parts to choose from for your 1966 Pontiac GTO. Driveworks, National, and Motive 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 1966 Pontiac GTO, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 91 reviews in this category, some of the top rated parts include Bearings with 5.0 stars and Differential Cover Gasket with 4.4 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1966 Pontiac GTO 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 1966 Pontiac GTO Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1966 Pontiac GTO 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 GTO the best it can be. Be sure to browse some of our top Differentials brands and parts.

    Popular Mr. Gasket Differentials

    We carry Mr. Gasket parts in our stock across Rear Differential Cover Gaskets categories, plus more. For a 1966 Pontiac GTO, our most popular Mr. Gasket Differentials include:
    Differential Gasket
    from $18.09
    (1)
    Differential Gasket
    Rear Differential Cover Gaskets

    Top 1966 Pontiac GTO Differentials from Driveworks

    Driveworks products are another trusted brand when it comes to Differentials for your 1966 Pontiac GTO. Popular Driveworks parts include:
    Taper Bearing Set
    from $10.29
    (38)
    Taper Bearing Set
    Differential Bearings

    FAQs for 1966 Pontiac GTO Differentials

    What are the most purchased Differentials for the 1966 Pontiac GTO?

    Out of 128 Differentials for the 1966 Pontiac GTO, the most popular in our inventory are:
    Bearings
    from $16.99
    (25)
    Bearings
    Differential Bearings
    3 Qt - Penzoil 80W90 Conventional Gear Oil
    from $44.99
    This product is not rated
    3 Qt – Penzoil 80W90 Conventional Gear Oil
    Differential Oil
    Ring Gear Bolt
    from $2.49
    This product is not rated
    Ring Gear Bolt
    Differential Ring Gear Bolts

    What are the top-rated 1966 Pontiac GTO Differentials?

    Top-rated Differentials for your 1966 Pontiac GTO based on customer reviews/ratings are:
    Bearings
    from $15.99
    (9)
    Bearings
    “as advertised”
    Differential Cover Gasket
    from $7.49
    (7)
    Differential Cover Gasket
    “good”
    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.”