1978 AMC Pacer Differentials

Name: Ring & Pinion Gear Set For Model 20 In A 4.56 Ratio
Brand: USA Standard Gear
SKU: 36231
Price: 308.99 USD

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1978 AMC Pacer 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 Pacer looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Differential Covers, and Rear Differential 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 National, Motive Gear, and Driveworks. For example, National Differentials start at just $11.99 with an average 4.3 star rating. Motive Gear and Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 2,036 reviews and a solid 5 star average, you can shop with confidence knowing other AMC Pacer owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 AMC Pacer Differential at Advance Auto Parts is around $170.65, with a range that starts at $1.99 and goes up to $1,286.99. With 165 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like Multi-Purpose Bearing, 3 Qt – 80W90 Conventional Gear Oil with Posi Additive, and Tapered Roller Bearing Cone start at just $16.99 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 Pacer in peak condition, inside and out.

Looking for the perfect Differential for your 1978 AMC Pacer? 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 Pacer. Whether you’re driving a 1978 model or another popular model year like 1975, 1976, 1977, 1979, and 1980, 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 Pacer Differentials

from

$308.99

USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:

Fits AMC Model 20
8.875″ ring gear diameter
28 spline pinion
8 ring gear bolts
4.56 ratio

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.

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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$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

from

$57.99

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

from

$11.99

Model 35 cover gasket.

Product Features:

Cover gasket
Fits AMC Model 35

from

$14.99

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

from

$284.99

Model 35 3.55 & up + 3.27, standard Open case, BLT, 1.560″ side gear hub BORE, 1-5/8″ tall.

Product Features:

Standard open carrier case
Fits AMC Model 35
3.54 ratio and up only
Does not include spider gears
1.560″ side gear bore

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$7.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$689.99

Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

Product Features:

Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or GM and Chrysler 11.5″ 1-ton applications
Works with an impact gun to safely and easily remove carrier bearings
Comes with a handy bench-top stand
For 1-ton applications shop Yukon part YT P22

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.

Product Features:

The Power Trax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Power Trax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
Power Trax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
Power Trax 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.
Power Trax ia an Extreme Traction System

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$27.99

Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.

Product Features:

Pinion depth shims for GM 8.25″ IFS, 8.5″, 8.6″, 12 bolt passenger car, Ford 7.5″ and 8.8″, Chrysler 8.25″

from

$657.99

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 Limited warranty against defect.

Product Features:

Fits AMC Model 20
Made from 9310 steel for added strength
Replaces the spiders in a standard carrier case

from

$269.99

These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design made from aluminum and polished to perfection.

Product Features:

Fits AMC Model 20
Finned polished aluminum

from

$248.99

Yukon replacement trail repair kit for AMC Model 20 with 1310 size U/joint and u-bolts. This kit comes with a yoke, U/joint, pinion seal, U/bolt kit, pinion nut, and pinion nut washer (if applicable).

Product Features:

Fits AMC Model 20
1310 u-joint size
Kit includes yoke, U-joint, pinion seal, pinion nut and washer, U-bolts and threadlocker

from

$2.79

Product Features:

CRUSH SLEEVE 7.25 & 8.25 MIN ORDER 5000

from

$52.79

from

$275.99

Yukon Gear & Axle spider gear kits feature higher quality materials and better manufacturing techniques than OEM to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.

Product Features:

Spider gear kit
Fits AMC Model 35 open differential with 1.620″ side gear bore
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

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$5.99

Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:

Roll pin
Fits AMC Model 35

from

$248.99

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 AMC Model 20
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.

from

$171.99

Yukon Gear & Axle clutch kits fit popular Chrysler diffs outfitted with a Trac Loc style positraction unit feature stout clutch plates, ensuring total traction and long-lasting performance.

Product Features:

Clutch kit
Fits Chrysler 8.25″ Trac Loc positraction

from

$78.99

The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver select ability.

Product Features:

Seal housing for Dana Spicer 30 and AMC Model 35
Includes O-rings

from

$175.99

Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.

Product Features:

Fits AMC Model 20
Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.

from

$148.99

This kit uses Koyo bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and brush. USA Standard Gear does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your ring & pinion set.

Product Features:

Fits AMC Model 35
Uses Koyo bearings and races
Included are carrier bearings and races, pinion bearings and races, pinion seal, pinion nut, crush sleeve, marking compound and brush.

from

$5.99

Roll pin for Chrysler 8.75″, Ford 8″ and 9″, AMC Model 20 and Model 35
0.260″ diameter

from

$215.99

Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

Product Features:

Fits M802011 race
All-steel construction
For accurate installation of bearing races

from

$22.79

FORD 9″ SOLID SPACER KIT

Popular 1978 AMC Pacer Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Front Housing Cover Gaskets

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Clutch Packs

Differential Ring and Pinions

Differential End Yokes

Differential Lock Assemblies

Differential Air System Seal Housings

Differential Spools

Differential Carrier Bearings

Automatic Transmission Differential Cover Gaskets

Front Differential Cover Gaskets

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Carrier Bearing Shims

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Gear Thrust Washers

Differential Ring and Pinion Kits

Differential Carrier Bearing Races

Differential Pinion Bearing Spacers

Most Popular Differential Bearings for 1978 AMC Pacers

Enhance your 1978 AMC Pacer with one of the 11 Differential Bearings we have in stock, starting at just $6.99.

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from

$16.99

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

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

$11.99

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

from

$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$17.99

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

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

$27.99

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

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

$21.99

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

$14.99

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

from

$13.99

Cross pin bolt for AMC Model 35 with c-clip axles

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$12.99

Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

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

from

$10.99

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

from

$6.99

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

Best-Selling 1978 AMC Pacer Differential Covers

Upgrade your Pacer with one of our 4 best-selling Differential Covers.

show more show less

from

$269.99

These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design made from aluminum and polished to perfection.

Product Features:

Fits AMC Model 20
Finned polished aluminum

from

$76.99

These Yukon replacement diff covers are a direct bolt-on.

Product Features:

Fits AMC Model 35
Steel
Metal fill plug

from

$74.99

These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.

Product Features:

Fits AMC Model 20
Chrome

from

$59.99

These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.

Product Features:

Fits AMC Model 35
Chrome

Top-Quality Rear Differential Cover Gaskets for 1978 AMC Pacers

Choose a high-quality OEM or aftermarket Rear Differential Cover Gasket for AMC Pacers and enjoy top-notch performance from $11.99.

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from

$11.99

Model 35 cover gasket.

Product Features:

Cover gasket
Fits AMC Model 35

Our Top Pick for a 1978 AMC Pacer 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

Top-Rated Differential Oil for 1978 AMC Pacers

Make a smart move for your 1978 AMC Pacer with products all priced from $12.49 to $148.99.

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from

$12.49

Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & 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 & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: 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; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:

FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations

from

$57.99

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

from

$44.99

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

Product Features:

Includes three quarts of conventional oil

from

$148.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:

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

from

$99.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:

Includes three quarts of Redline Shockproof oil

from

$137.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:

Includes four quarts of Redline Shockproof oil

Top-Rated Differential Brands For Your 1978 AMC Pacer

When it comes to finding the perfect Differential for your 1978 AMC Pacer, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 12 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 $2.79. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1978 AMC Pacer, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1978 AMC Pacer Differentials

If you’re looking for a top-quality Differential for your 1978 AMC Pacer, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 3 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 $15.66, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1978 AMC Pacer come highly rated, with over 34 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.

from $11.99

(2)

Bearing Race

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

from $17.99

(7)

Multi-Purpose Bearing

“Comparable with the Timkens I removed. NATIONAL bearings have lasted decades in many of my other machines.”

from $16.99

(25)

Multi-Purpose Bearing

“Smooth”

Top-Quality Driveworks 1978 AMC Pacer Differentials

For those in search of a high-quality Differential for their 1978 AMC Pacer, Advance Auto Parts offers a great selection of Driveworks Differentials. With 1 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 $10.99, giving you a range of options to suit your budget. Backed by over 3 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.

from $10.99

(3)

Taper Bearing Cone

“Worked for my 2006 escalade esv front diff”

FAQs for 1978 AMC Pacer Differentials

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

Out of 165 Differentials that fit 1978 AMC Pacers, the following parts are the top sellers:

Multi-Purpose Bearing (3275973) – $16.99
3 Qt – 80W90 Conventional Gear Oil with Posi Additive (11645418) – $57.99
Tapered Roller Bearing Cone (5052513) – $25.99

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

The prices of Differentials for the 1978 AMC Pacer range from $1.99 up to $1,286.99 for the most premium parts.

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

The average price for Differentials for the 1978 AMC Pacer is $170.65. 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 Pacer model years?

Yes, we carry Differentials for 4 model years of AMC Pacers between 1975 and 1980. The following model years are the most popular for Differential purchases: 1980, 1979, 1977, 1976, and 1975.

What are the cheapest Differentials for my 1978 AMC Pacer?

The cheapest 1978 AMC Pacer Differentials we carry are:

Ring Gear Bolt (19640279) – $1.99
Differential Crush Sleeve (20520219) – $2.79
Differential Crush Sleeve (10592883) – $2.99
Differential Cover Bolt (50333283) – $2.99
Replacement Ring Gear Bolt For Model 20, Grand Cherokee 35, "Super" Dana 30 & Dana 50 – 7/16" X 20 (11642262) – $3.99

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 Gremlin Differentials, 1978 AMX Differentials, 1978 Matador Differentials, and 1978 Concord Differentials.

What are the top-rated Differentials that fit the 1978 AMC Pacer?

The one 1978 AMC Pacer Differential we have in stock is the Ring Gear Bolt. It costs $1.99.

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

As of 6/2/26, these are some of the most in-demand types of Differentials for a 1978 AMC Pacer:

Can I get help with 1978 AMC Pacer 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 Pacer Differentials?

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

1978 AMC Pacer Differentials

USA Standard Gear – Ring & Pinion Gear Set For Model 20 In A 4.56 Ratio (Part No.36231)

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

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

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

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil with Posi Additive (Part No.15003)

Yukon Gear – Model 35 Cover Gasket (Part No.23026)

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)

Yukon Gear – Standard Open Carrier Case, Amc Model 35, 3.55 & Up (Part No.20023)

Driveworks – Tapered Cone Wheel Bearing Assembly (Part No.S-L-68149)

Yukon Gear – Carrier Bearing Puller Set (Part No.56034)

Powertrax – Differential Lock Assembly (Part No.9201202900)

Yukon Gear – Pinion Depth Shims for GM 8.25"IFS, 8.5", 12 Bolt Car, Ford 8.8", Chrysler 8.25" (Part No.55009)

USA Standard Gear – Differential Open Unit/Component (Part No.17006)

Yukon Gear – Finned Polished Aluminum Cover for AMC Model 20 (Part No.32031)

Yukon Gear – Replacement Trail Repair Kit For Amc Model 20 With 1310 Size U/Joint And U-Bolts (Part No.32286)

Motive Gear – Differential Crush Sleeve (Part No.3507575)

Motive Gear – Differential Gear Install Kit (Part No.AM20IK)

Yukon Gear – Standard Open Spider Gear Kit, Model 35, 27 Spline Axles, Hubs 1.625" Od (Part No.16129)

Yukon Gear – Model 35 Roll Pin for Cross Pin Shaft, 0.190" Diameter (Part No.33320)

USA Standard Gear – Differential Rebuild Kit (Part No.37065)

Yukon Gear – 8.25" Chrysler, Model 35, D36 Ica, & Dana 28 Tracloc Clutch Set (Part No.16147)

Yukon Gear – Seal Housing for Dana 30, Model 35 Zip Locker (Part No.34012)

Yukon Gear – Pinion Install Kit for Model 20 Differential (Part No.13082)

USA Standard Gear – Differential Bearing Kit (Part No.58017)

Yukon Gear – Cross Pin Roll Pin, 8.75" Chrysler/Ford 8", 9"/Model 20, 35, .0.260" diameter (Part No.33334)

Yukon Gear – Bearing Race Driver for Popular Ford, Gm, Amc, Chrysler, and Dana Diffs (Part No.56020)

Motive Gear – Differential Pinion Bearing Spacer (Part No.4105)

National – Multi-Purpose Bearing (Part No.A-6)

National – Bearing Race (Part No.LM501314)

Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

National – Multi-Purpose Bearing (Part No.A-17)

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

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

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)

Yukon Gear – Model 35 (Standard Open & Tracloc) 8.25" Chrysler Tracloc Cross Pin Bolt (Part No.33230)

Schaeffler – Cone (Part No.KL68149)

Schaeffler – Cup (Part No.M88010)

Schaeffler – Cup (Part No.LM48510)

Yukon Gear – Finned Polished Aluminum Cover for AMC Model 20 (Part No.32031)

Yukon Gear – Steel Cover for Amc Model 35, with Metal Fill Plug (Part No.32335)

Yukon Gear – Chrome Cover for AMC Model 20 (Part No.32019)

Yukon Gear – Chrome Cover for Model 35 (Part No.32020)

Yukon Gear – Model 35 Cover Gasket (Part No.23026)

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

Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil with Posi Additive (Part No.15003)

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

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)