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 43 Differentials from top brands with prices ranging from $6.49 to $1,566.99.

Beyond great prices, we stock trusted brands manufacturing all types of Differentials for your AMC American. Of the 7 OEM and aftermarket parts brands we carry, some of the most popular are National, FELPRO, and Driveworks.

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.

Essential AMC American Differentials

National – Bearings (Part No.31520)

Bearings

from

$10.99
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 – 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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Felpro – DIFFERENTIAL GASKET (Part No.RDS 13089)

DIFFERENTIAL GASKET

from

$6.79
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
See More

National – Shaft Repair Sleeve (Part No.99155)

Shaft Repair Sleeve

from

$38.49
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:
  • 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
See More

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 – Bearings (Part No.02820)

Bearings

from

$9.99
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

Motive Gear – Differential Pinion Shim Kit (Part No.1127)

Differential Pinion Shim Kit

from

$21.29


Product Features:
  • PINION SHIMS – AMC MODEL 20
See More

Powertrax – No-Slip Traction System (Part No.9201202900)

No-Slip Traction System

from

$522.99
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

    Driveworks – Camshaft Seal (Part No.S-99139)

    Camshaft Seal

    from

    $23.99
    Product Features:
    • Brand may vary by location
    See More

    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

    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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    National – Shaft Repair Sleeve (Part No.99139)

    Shaft Repair Sleeve

    from

    $39.99
    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
    See More

    Motive Gear – Differential Ring and Pinion (Part No.AM20-410)

    Differential Ring and Pinion

    from

    $229.99


    Product Features:
    • AMC MODEL 20 R&P-4.10 RATIO
    See More

    Motive Gear – Differential Ring and Pinion (Part No.AM20-456)

    Differential Ring and Pinion

    from

    $231.99


    Product Features:
    • AMC MODEL 20 R&P-4.56 RATIO
    See More

    National – Bearings (Part No.25523)

    Bearings

    from

    $19.79
    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

    FAG US – CONE (Part No.KLM603049)

    CONE

    from

    $23.79
    CONE

    Felpro – Differential Cover Gasket (Part No.RDS 13889)

    Differential Cover Gasket

    from

    $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
    See More

    Felpro – Axle Housing Cover Gasket (Part No.RDS 12758)

    Axle Housing Cover Gasket

    from

    $12.49
    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
    See More

    Motive Gear – Differential Pinion Nut (Part No.379570S)

    Differential Pinion Nut

    from

    $6.49
    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

    National – Multi Purpose Seal (Part No.5778V)

    Multi Purpose Seal

    from

    $69.99
    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:
    • Design type: spring loaded; multi-lip
    • Temperature range: -100°F to 450°F; -73°C to 232°C
    • Resistant to hydrocarbon/oxygenate blends and provides superior performance
    • Provides excellent dry running capabilities, low coefficient of friction and excellent resistance to chemicals
    • Delivers quality and reliable performance for every type of repair
    See More

    National – Multi Purpose Seal (Part No.470331N)

    Multi Purpose Seal

    from

    $18.79
    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
    See More

    Driveworks – Oil Seal (Part No.S-470331N)

    Oil Seal

    from

    $9.49
    Value-priced seal meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R20RMK)

    Differential Master Bearing Kit - Koyo

    from

    $131.99
    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 & SL MSTR AMC 20
    See More

    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
    See More

    Motive Gear – Differential Bearing Kit – Koyo (Part No.R20R)

    Differential Bearing Kit - Koyo

    from

    $103.99
    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&SL AMC MDL 20DIFF
    See More

    Differentials Brands You Can Trust For Your AMC American

    7 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 National Differentials

    National products for the AMC American span several categories. Some of the highest-rated National Differentials that will fit your AMC American are:
    Shaft Repair Sleeve
    from $43.99
    (2)
    Shaft Repair Sleeve
    Differential Pinion Pilot Bearings
    Shaft Repair Sleeve
    from $39.99
    (1)
    Shaft Repair Sleeve
    Pinion Shaft Seals
    Multi Purpose Seal
    from $23.29
    (4)
    Multi Purpose Seal
    Differential Pinion Seals

    Top AMC American Differentials from Felpro

    Your AMC American will be purring again thanks to Felpro brand Differentials available for online order or in-store pick up. Popular Felpro parts include:
    DIFFERENTIAL GASKET
    from $6.79
    (12)
    DIFFERENTIAL GASKET
    Rear Differential Cover Gaskets
    Axle Housing Cover Gasket
    from $6.49
    (10)
    Axle Housing Cover Gasket
    Rear Housing Cover Gaskets

    Most Purchased AMC American Differentials from National

    When you buy the most frequently purchased National brand Differentials, you can be confident it will be the right part for your AMC American. Here are the National Differentials Advanced Auto customers buy the most:
    Bearings
    from $23.99
    (7)
    Bearings
    Front Differential Pinion Bearings
    Multi Purpose Seal
    from $23.29
    (4)
    Multi Purpose Seal
    Differential Pinion Seals
    Axle Housing Cover Gasket
    from $6.49
    (10)
    Axle Housing Cover Gasket
    Rear Housing Cover Gaskets

    FAQs for AMC American Differentials

    What are the most purchased Differentials for the AMC American?

    Out of 43 Differentials for the AMC American, the most popular in our inventory are:
    Bearings
    from $23.99
    (7)
    Bearings
    Front Differential Pinion Bearings
    Oil Seal
    from $10.49
    (3)
    Oil Seal
    Differential Pinion Seals
    Bearings
    from $9.49
    This product is not rated
    Bearings
    Rear Differential Pinion Bearings

    What are the top-rated AMC American Differentials?

    Top-rated Differentials for your AMC American based on customer reviews/ratings are:
    Differential Pinion Nut
    from $6.49
    (1)
    Differential Pinion Nut
    “If a pinion nut is ever removed from the pinion shaft, it is recommended NOT to reuse it. Replace it with a BRAND NEW nut, even if the old nut is rel”