AMC American Differentials

Your One-Stop Shop For Trusted AMC American Differentials

If you’re in search of AMC American Differentials aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 40 Differentials from top brands with prices ranging from $6.99 to $1,566.99.

Beyond great prices, we stock trusted brands manufacturing all types of Differentials for your AMC American.

And don’t forget to read customer reviews across all Differentials categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Differentials have to cost top dollar, and we prove it. Browse our top AMC American Differentials below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential AMC American Differentials

National – Bearing Race (Part No.M86610)

Bearing Race

from

$9.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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Motive Gear – Differential Pinion Nut (Part No.379570S)

Differential Pinion Nut

from

$6.99
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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Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6629)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

from

$7.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Motive Gear – Differential Carrier Shim Kit (Part No.1130)

Differential Carrier Shim Kit

from

$18.99


Product Features:
  • CARRIER SHIMS – AMC MODEL 20
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National – Differential Pinion Seal (Part No.5778)

Differential Pinion Seal

from

$23.49
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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
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Powertrax – Lock Right Locker (Part No.1710-LR)

Lock Right Locker

from

$368.99
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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    National – Shaft Repair Sleeve (Part No.99193)

    Shaft Repair Sleeve

    from

    $43.99
    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
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    National – Tapered Roller Bearing Cone (Part No.25577)

    Tapered Roller Bearing Cone

    from

    $32.99
    Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

    Product Features:
    • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
    • OE-STYLE DESIGN – Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    National – Multi-Purpose Bearing (Part No.A-36)

    Multi-Purpose Bearing

    from

    $27.99
    Product Features:
    • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
    • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
    • OE-STYLE DESIGN: Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    Motive Gear – Differential Ring and Pinion (Part No.AM20-354)

    Differential Ring and Pinion

    from

    $268.99


    Product Features:
    • AMC MODEL 20 R&P-3.54 RATIO
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    Motive Gear – Differential Ring and Pinion (Part No.AM20-331)

    Differential Ring and Pinion

    from

    $251.99


    Product Features:
    • AMC MODEL 20 R&P-3.31 RATIO
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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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    Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4104)

    Differential Pinion Solid Spacer Kit w/Shims

    from

    $10.49


    Product Features:
    • SOLID SPACER FORD 8.8″ & 9″
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    Felpro – Axle Housing Cover Gasket (Part No.RDS 13889)

    Axle Housing Cover Gasket

    from

    $12.49
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    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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    Motive Gear – Differential Master Bearing Kit – Timken (Part No.R20RMKT)

    Differential Master Bearing Kit - Timken

    from

    $119.99
    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:
    • KIT BRG & SEAL MSTR AMC MODEL 20
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    Motive Gear – Differential Bearing Kit – Timken (Part No.R20RT)

    Differential Bearing Kit - Timken

    from

    $88.99
    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:
    • KIT BRG & SEAL AMC MODEL 20
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    Motive Gear – Differential Gear Install Kit (Part No.AM20IK)

    Differential Gear Install Kit

    from

    $52.79
    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!
    See More

    Yukon Gear – Bearing Race Driver Set, 21 Piece (Part No.56030)

    Bearing Race Driver Set, 21 Piece

    from

    $1566.99
    21 Piece bearing race driver set. (Box wt: 140lbs) No return.

    Product Features:
    • Bearing race driver set
    • 21 pieces
    • All steel construction
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    Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

    MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

    from

    $35.99
    Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

    Product Features:
    • Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
    • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
    • 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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    Motive Gear – Differential Pinion Shim Kit (Part No.1127)

    Differential Pinion Shim Kit

    from

    $21.29


    Product Features:
    • PINION SHIMS – AMC MODEL 20
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    Differentials Brands You Can Trust For Your AMC American

    8 trusted brands of Differentials line our shelves, ready to help keep your AMC American running smooth. Below are some of the most popular brands and their top Differentials offerings:

    Popular Driveworks Differentials

    Driveworks products for the AMC American span several categories. Some of the highest-rated Driveworks Differentials that will fit your AMC American are:
    Taper Bearing Cone
    from $10.99
    (3)
    Taper Bearing Cone
    Differential Bearings

    Top AMC American Differentials from Valvoline

    Your AMC American will be purring again thanks to Valvoline brand Differentials available for online order or in-store pick up. Popular Valvoline parts include:

    Most Purchased AMC American Differentials from Valvoline

    When you buy the most frequently purchased Valvoline brand Differentials, you can be confident it will be the right part for your AMC American. Here are the Valvoline Differentials Advanced Auto customers buy the most:
    Multi-Purpose Bearing
    from $16.99
    (25)
    Multi-Purpose Bearing
    Differential Bearings
    Differential Pinion Seal
    from $23.49
    (4)
    Differential Pinion Seal
    Differential Pinion Seals

    FAQs for AMC American Differentials

    What are the most purchased Differentials for the AMC American?

    Out of 40 Differentials for the AMC American, the most popular in our inventory are:
    Multi-Purpose Bearing
    from $16.99
    (25)
    Multi-Purpose Bearing
    Differential Bearings
    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket
    from $7.99
    (10)
    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket
    Rear Housing Cover Gaskets
    Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket
    from $8.29
    (12)
    Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket
    Rear Housing Cover Gaskets

    What are the top-rated AMC American Differentials?

    Top-rated Differentials for your AMC American based on customer reviews/ratings are:
    Differential Pinion Seal
    from $23.49
    (4)
    Differential Pinion Seal
    “Works well fit right in. Love national seals”
    Shaft Repair Sleeve
    from $43.99
    (2)
    Shaft Repair Sleeve
    “As a mechanic I dont have time or money to waste on inferior products, which this is not. Great product,great price”
    Bearing Race
    from $11.99
    (2)
    Bearing Race
    “Reasonable price and woks well. front diff 2006 Escalade esv”