1978 AMC Gremlin Differentials

Name: Ring Gear Bolt
Brand: Motive Gear
SKU: D8OZ4216B
Price: 1.99 USD

Keep Your 1978 AMC Gremlin in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1978 AMC Gremlin looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Pinion Shaft Bearings, Differential Pinion Seals, and Differential Bearings. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National and FELPRO. For example, National Differentials start at just $7.99 with an average 4.3 star rating. FELPRO offer similar pricing and quality, backed by strong customer feedback. With over 420 reviews and a solid 4 star average, you can shop with confidence knowing other AMC Gremlin owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 AMC Gremlin Differential at Advance Auto Parts is around $115.68, with a range that starts at $1.99 and goes up to $681.99. With 31 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like Bearing Race, Multi-Purpose Bearing, and Bearing Race start at just $9.29 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1978 AMC Gremlin in peak condition, inside and out.

Looking for the perfect Differential for your 1978 AMC Gremlin? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your AMC Gremlin. Whether you’re driving a 1978 model or another popular model year like 1970, 1971, 1972, 1973, 1974, 1975, 1976, and 1977, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.

Essential 1978 AMC Gremlin Differentials

from

$1.99

Product Features:

BOLT 9″ FORD OPEN R.G. SAME AS M-4216A200

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$526.69

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!

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$522.99

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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$16.99

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

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$2.99

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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$7.99

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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$24.49

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

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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$88.99

KIT BRG & SEAL AMC MODEL 20

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$9.29

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

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

from

$359.99

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!

from

$23.99

Product Features:

Brand may vary by location

from

$9.49

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$16.99

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: -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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$17.49

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!

from

$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

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$148.99

Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive

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$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

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$15.49

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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$8.29

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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$12.49

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

Popular 1978 AMC Gremlin Differentials Categories

Differential Oil

Pinion Shaft Bearings

Differential Open Unit and Components

Differential Bearings

Front Housing Cover Gaskets

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Pinion Seals

Rear Differential Pinion Bearings

Rear Housing Cover Gaskets

Differential Seals

Complete Differentials

Differential Ring Gear Bolts

Differential Crush Sleeves

Best-Selling 1978 AMC Gremlin Differential Pinion Seals

Upgrade your Gremlin with one of our 2 best-selling Differential Pinion Seals.

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from

$16.99

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

from

$9.49

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

Top-Quality Differential Bearings for 1978 AMC Gremlins

Choose a high-quality OEM or aftermarket Differential Bearing for AMC Gremlins and enjoy top-notch performance from $4.49.

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from

$9.29

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

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

from

$19.99

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

from

$4.49

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

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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$24.29

With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

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$19.49

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$6.69

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

Our Top Pick for a 1978 AMC Gremlin Rear Housing Cover Gasket

Invest in a durable Rear Housing Cover Gasket for your 1978 AMC, knowing you’re getting trusted brands and expert craftsmanship.

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from

$8.29

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

Differential Oil for 1978 AMC Gremlins

Make a smart move for your 1978 AMC Gremlin with products all priced from $99.99 to $148.99.

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from

$148.99

Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive

from

$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

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$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

Top-Rated Differential Brands For Your 1978 AMC Gremlin

When it comes to finding the perfect Differential for your 1978 AMC Gremlin, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 8 trusted brands. We carry the most popular Differential brands including FELPRO and National, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1978 AMC Gremlin, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 1978 AMC Gremlin Differentials

If you’re looking for a top-quality Differential for your 1978 AMC Gremlin, Advance Auto Parts has exactly what you need with our selection of FELPRO Differentials. We have 1 FELPRO Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $8.29, you’ll find the perfect Differential for your needs and budget. FELPRO Differentials for the 1978 AMC Gremlin come highly rated, with over 12 customer reviews and an impressive average rating of 4.6 stars. Choosing a FELPRO Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $8.29

(12)

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

“Quality seal. Very pliable and fit perfectly.”

Top-Quality National 1978 AMC Gremlin Differentials

For those in search of a high-quality Differential for their 1978 AMC Gremlin, Advance Auto Parts offers a great selection of National Differentials. With 3 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $7.99, with an average price of $11.42, giving you a range of options to suit your budget. Backed by over 45 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $7.99

(4)

Bearing Race

“Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”

from $16.99

(39)

Multi-Purpose Bearing

“Great bearings”

from $9.29

(2)

Bearing Race

“Reasonable price and woks well. front diff 2006 Escalade esv”

FAQs for 1978 AMC Gremlin Differentials

What are the best-selling Differentials for 1978 AMC Gremlins?

Out of 31 Differentials that fit 1978 AMC Gremlins, the following parts are the top sellers:

Bearing Race (3277402) – $9.29
Multi-Purpose Bearing (3275884) – $27.99
Bearing Race (3276988) – $15.49

What’s the price range for 1978 AMC Gremlin Differentials?

The prices of Differentials for the 1978 AMC Gremlin range from $1.99 up to $681.99 for the most premium parts.

What is the average price of a Differential for a 1978 AMC Gremlin?

The average price for Differentials for the 1978 AMC Gremlin is $115.68. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Differentials for other AMC Gremlin model years?

Yes, we carry Differentials for 7 model years of AMC Gremlins between 1970 and 1977. The following model years are the most popular for Differential purchases: 1977, 1976, 1975, 1974, 1973, 1972, 1971, and 1970.

What are the cheapest Differentials for my 1978 AMC Gremlin?

The cheapest 1978 AMC Gremlin Differentials we carry are:

Ring Gear Bolt (19640279) – $1.99
Crush Sleeve (10592883) – $2.99
Bearing Race (3277461) – $4.49
Cup (50211146) – $6.69
Bearing Race (3277585) – $7.99

Does Advance Auto Parts sell Differentials for any other 1978 AMC models?

Yes. We stock Differentials for 3 other popular 1978 AMC models. Some of the most popular are 1978 AMX Differentials, 1978 Pacer Differentials, 1978 Matador Differentials, and 1978 Concord Differentials.

What types of Differentials do you sell for my 1978 AMC Gremlin?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 1978 AMC Gremlin:

Can I get help with 1978 AMC Gremlin Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about AMC Differentials and more.

What is your return policy for AMC Gremlin Differentials?

Advance Auto Parts keeps returns simple. For new AMC Gremlin Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1978 AMC Gremlin Differentials

Motive Gear – Ring Gear Bolt (Part No.D8OZ4216B)

Powertrax – Grip PRO Traction System (Part No.GT443527)

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

National – Multi-Purpose Bearing (Part No.A-5)

Pro-King – Crush Sleeve (Part No.721A034)

National – Bearing Race (Part No.M88010)

National – Tapered Roller Bearing Cone (Part No.HM88648)

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

Motive Gear – Differential Bearing Kit – Timken (Part No.R20RT)

National – Bearing Race (Part No.LM501314)

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

Powertrax – Lock Right Locker (Part No.2310-LR)

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

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

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

Motive Gear – Differential Pinion Seal (Part No.470331N)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

National – Bearing Race (Part No.HM88610)

Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 13089)

Felpro – Axle Housing Cover Gasket (Part No.RDS 13889)

National – Multi-Purpose Bearing (Part No.A-5)

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

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

National – Bearing Race (Part No.LM501314)

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

National – Tapered Roller Bearing Cone (Part No.LM501349)

National – Bearing Race (Part No.LM67010)

FAG US – Cone (Part No.KM86649)

FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT17)

FAG US – Cup (Part No.LM67010)

Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 13089)

Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)