1979 AMC Spirit Differentials

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Keep Your 1979 AMC Spirit in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1979 AMC Spirit looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Seals, Differential Pinion Bearing Kits, and Rear Housing Cover Gaskets. 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 Motive Gear, National, and Driveworks. For example, Motive Gear Differentials start at just $2.99 with an average 4.1 star rating. National and Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 631 reviews and a solid 4.7 star average, you can shop with confidence knowing other AMC Spirit owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1979 AMC Spirit Differential at Advance Auto Parts is around $125.72, with a range that starts at $2.99 and goes up to $526.69. With 40 options in stock from 9 trusted brands, finding the right fit is easy. Popular picks like Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002, Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 13089, and Felpro Axle Housing Cover Gasket, RDS 13889 start at just $8.29 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 1979 AMC Spirit in peak condition, inside and out.

Essential 1979 AMC Spirit Differentials

Driveworks – Driveworks Taper Bearing Set, S-A-6 (Part No.S-A-6)

Driveworks Taper Bearing Set, S-A-6

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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Motive Gear – Motive Gear Differential Gear Install Kit, AM20IK (Part No.AM20IK)

Motive Gear Differential Gear Install Kit, AM20IK

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

Motive Gear Differential Pinion Nut, 379570S

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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Driveworks – Driveworks Taper Bearing Set, S-A-5 (Part No.S-A-5)

Driveworks Taper Bearing Set, S-A-5

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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Motive Gear – Motive Gear Differential Ring and Pinion, D35-373 (Part No.D35-373)

Motive Gear Differential Ring and Pinion, D35-373

from

$191.99
Motive Gear Differential Ring and Pinion, D35-373.
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Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891

from

$35.99
Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it€™s designed to help prevent leaks, reduce wear and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.
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Victor Reinz – Victor Reinz Differential Carrier Gasket, 71-14837-00 (Part No.71-14837-00)

Victor Reinz Differential Carrier Gasket, 71-14837-00

from

$13.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Powertrax – Powertrax Grip PRO Traction System, GT443527 (Part No.GT443527)

Powertrax Grip PRO Traction System, GT443527

from

$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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Powertrax – Powertrax Differential Lock Assembly, 9201202900 (Part No.9201202900)

Powertrax Differential Lock Assembly, 9201202900

from

$522.99
For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax 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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National – National Shaft Repair Sleeve, 99139 (Part No.99139)

National Shaft Repair Sleeve, 99139

from

$41.49
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.
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Felpro – Felpro Axle Housing Cover Gasket, RDS 13889 (Part No.RDS 13889)

Felpro Axle Housing Cover Gasket, RDS 13889

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

Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 13089

from

$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.
See More

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

Motive Gear Differential Bearing Kit - Koyo, R20R

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
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LuK – LuK Repair Kit, Differential, GDK335-MK (Part No.GDK335-MK)

LuK Repair Kit, Differential, GDK335-MK

from

$363.99
Each LuK Differential Bearing Kit contains all the OE quality bearings needed for a professional transmission repair. Differential bearing kits are the perfect repair solution for a broken transmission. We carefully select OE quality components for each individual transmission for a professional repair.
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Motive Gear – Motive Gear Differential Pinion Shim Kit, 1127 (Part No.1127)

Motive Gear Differential Pinion Shim Kit, 1127

from

$21.29
Motive Gear Differential Pinion Shim Kit, 1127.
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Powertrax – Powertrax Differential Lock Assembly, 1710-LR (Part No.1710-LR)

Powertrax Differential Lock Assembly, 1710-LR

from

$368.99
For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.
See More

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

Motive Gear Differential Pinion Seal, 470331N

from

$17.49
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 on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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National – National Tapered Roller Bearing Cone, HM88648 (Part No.HM88648)

National Tapered Roller Bearing Cone, HM88648

from

$27.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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National – National Bearing Race, LM501314 (Part No.LM501314)

National Bearing Race, LM501314

from

$11.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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Motive Gear – Motive Gear Differential Carrier Shim Kit, 1130 (Part No.1130)

Motive Gear Differential Carrier Shim Kit, 1130

from

$18.99
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 on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
See More

Motive Gear – Motive Gear Differential Ring and Pinion, D35-488 (Part No.D35-488)

Motive Gear Differential Ring and Pinion, D35-488

from

$187.99
Motive Gear Differential Ring and Pinion, D35-488.
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Motive Gear – Motive Gear Differential Ring and Pinion, D35-456 (Part No.D35-456)

Motive Gear Differential Ring and Pinion, D35-456

from

$187.99
Motive Gear Differential Ring and Pinion, D35-456.
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Motive Gear – Motive Gear Differential Ring and Pinion, AM20-410 (Part No.AM20-410)

Motive Gear Differential Ring and Pinion, AM20-410

from

$229.99
Motive Gear Differential Ring and Pinion, AM20-410.
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Motive Gear – Motive Gear Differential Ring and Pinion, AM20-354 (Part No.AM20-354)

Motive Gear Differential Ring and Pinion, AM20-354

from

$268.99
Motive Gear Differential Ring and Pinion, AM20-354.
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Motive Gear – Motive Gear Differential Crush Sleeve, 3507575 (Part No.3507575)

Motive Gear Differential Crush Sleeve, 3507575

from

$2.99
Motive Gear Differential Crush Sleeve, 3507575.
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Most Popular Differential Pinion Seal for 1979 AMC Spirits

Enhance your 1979 AMC Spirit with this popular Differential Pinion Seal we have in stock, for $17.49.

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

Motive Gear Differential Pinion Seal, 470331N

from

$17.49
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 on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
See More

Best-Selling 1979 AMC Spirit Differential Pinion Bearing Kit

Upgrade your Spirit with our best-selling Differential Pinion Bearing Kit with a 4.5 Starts rating across 38 reviews.

Driveworks – Driveworks Taper Bearing Set, S-A-6 (Part No.S-A-6)

Driveworks Taper Bearing Set, S-A-6

from

$11.99
Value-priced bearing meets all cataloged application requirements.
See More

Top-Quality Rear Housing Cover Gaskets for 1979 AMC Spirits

Choose a high-quality OEM or aftermarket Rear Housing Cover Gasket for AMC Spirits and enjoy top-notch performance from $8.29.

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

Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 13089

from

$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.
See More

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

Felpro Axle Housing Cover Gasket, RDS 13889

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.
See More

Top Picks for 1979 AMC Spirit Differential Oil

Invest in one of our 3 durable Differential Oil for your 1979 AMC, knowing you’re getting trusted brands and expert craftsmanship.

Yukon Gear – Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (Part No.15002)

Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.
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Yukon Gear – "Yukon Gear Redline Synthetic ""Shock Proof"" Oil – 4 Quarts, 15004" (Part No.15004)

"Yukon Gear Redline Synthetic ""Shock Proof"" Oil - 4 Quarts, 15004"

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891

from

$35.99
Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it€™s designed to help prevent leaks, reduce wear and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.
See More

Our Top-Rated Differential Carrier Bearing Set for 1979 AMC Spirits

Make a smart move for your 1979 AMC Spirit with our Differential Carrier Bearing Set for $11.99.

Driveworks – Driveworks Taper Bearing Set, S-A-5 (Part No.S-A-5)

Driveworks Taper Bearing Set, S-A-5

from

$11.99
Value-priced bearing meets all cataloged application requirements.
See More

Top-Rated Differential Brands For Your 1979 AMC Spirit

When it comes to finding the perfect Differential for your 1979 AMC Spirit, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 9 trusted brands. We carry the most popular Differential brands including National, Driveworks, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $2.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1979 AMC Spirit, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1979 AMC Spirit Differentials

If you’re looking for a top-quality Differential for your 1979 AMC Spirit, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 2 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $11.99 and an average cost of $26.74, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1979 AMC Spirit come highly rated, with over 3 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
National Shaft Repair Sleeve, 99139
from $41.49
(1)
National Shaft Repair Sleeve, 99139
“used these speedy sleeves on the front axle of my Kubota with the wheel seals,saved me from spending 15 times more on the axle’s, Thank’s”
National Bearing Race, LM501314
from $11.99
(2)
National Bearing Race, LM501314
“good quality & price”

Top-Quality Driveworks 1979 AMC Spirit Differentials

For those in search of a high-quality Differential for their 1979 AMC Spirit, Advance Auto Parts offers a great selection of Driveworks Differentials. With 2 Driveworks 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 $11.99, giving you a range of options to suit your budget. Backed by over 108 customer ratings and an average rating of 4.2 stars, Driveworks Differentials provide both reliability and excellent performance. Choosing a Driveworks Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Driveworks Taper Bearing Set, S-A-6
from $11.99
(38)
Driveworks Taper Bearing Set, S-A-6
“HELPFUL ASSOCIATE”
Driveworks Taper Bearing Set, S-A-5
from $11.99
(70)
Driveworks Taper Bearing Set, S-A-5
“Great”

FAQs for 1979 AMC Spirit Differentials

What are the best-selling Differentials for 1979 AMC Spirits?

Out of 40 Differentials that fit 1979 AMC Spirits, the following parts are the top sellers:

What’s the price range for 1979 AMC Spirit Differentials?

The prices of Differentials for the 1979 AMC Spirit range from $2.99 up to $526.69 for the most premium parts.

What is the average price of a Differential for a 1979 AMC Spirit?

The average price for Differentials for the 1979 AMC Spirit is $125.72. 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 Spirit model years?

Yes, we carry Differentials for 3 model years of AMC Spirits between 1980 and 1983. The following model years are the most popular for Differential purchases: 1983, 1982, 1981, and 1980.

What are the cheapest Differentials for my 1979 AMC Spirit?

The cheapest 1979 AMC Spirit Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1979 AMC models?

Yes. We stock Differentials for 2 other popular 1979 AMC models. Some of the most popular are 1979 AMX Differentials, 1979 Pacer Differentials, and 1979 Concord Differentials.

What types of Differentials do you sell for my 1979 AMC Spirit?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1979 AMC Spirit:

Can I get help with 1979 AMC Spirit 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 Spirit Differentials?

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