1978 Plymouth Trailduster Differentials

Find your specific 1978 Plymouth Trailduster original or aftermarket Differentials below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.

Essential 1978 Plymouth Trailduster Differentials

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$16.99

Product Features:

Brand may vary by location

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$122.99

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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$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

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$9.49

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

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$8.99

This differential cover plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this differential cover plug matches the fit and function of the factory part on specified years, makes and models.
Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$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

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$6.99

This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles.
Required replacement – when servicing the differential
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$450.99

The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.

Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.

Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.

Powertrax® = Extreme Traction Systems!

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$28.99

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MINI INSTALL KIT CHRYSLER 9.25 9 1/4″

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$165.99

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CHRYS 9 1/4″ OPEN EMPTY CASE CAN USE ABS RING.

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$101.99

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MINI SPOOL – DANA 44, 30 SPL.

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$235.99

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DANA-44 4.88 RUBICON THICK HAS BOTH 7/16 & 3/8″ BOLT PATTERN

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$9.49

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KIT SHIM PINION

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$15.29

CUP

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$10.99

This differential cover plug is designed to match the fit & function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this differential cover plug matches the fit and function of the factory part on specified years, makes and models.
Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$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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$227.99

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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$18.99

Product Features:

CARRIER SHIM – DANA 44

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$1.99

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

Product Features:

CHRY 8 3/4″ RING GEAR BOLTS C 8.25″

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$8.49

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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$28.99

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

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$38.49

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

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$182.99

RngPnnInstlKt

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$137.99

Product Features:

SUPER KIT-CHRY 8.25

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$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

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$9.49

from

$10.49

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

Popular 1978 Plymouth Trailduster Differentials Categories

Rear Differential Cover Gaskets

Differential Bearings

Differential Pinion Pilot Bearings

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Cover Plugs

Differential Clutch Packs

Differential Ring and Pinions

Rear Differential Pinion Bearings

Differential Spools

Rear Housing Cover Gaskets

Complete Differentials

Differential Drain Plugs

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Crush Sleeves

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Spider and Pinion Gear Kits

Maybe you’re in the middle of a full rebuild of that 1978 Plymouth Trailduster. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 107 different Differentials in our inventory ranging from $1.99 to $1,566.99. That means you can find the exact parts or products you need to keep that 1978 Plymouth Trailduster running smoothly.

Differentials are only as good as their brand. We stock 11 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Plymouth Trailduster. FELPRO, National, and Motive Gear are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 1978 Plymouth Trailduster, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 560 reviews in this category, some of the top rated parts include Differential Carrier Gear Kit with 3.7 stars and Multi Purpose Seal with 4.3 stars.

So if you’re in the market for aftermarket Differentials to keep your 1978 Plymouth Trailduster rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 1978 Plymouth Trailduster Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Plymouth Trailduster demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Trailduster the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Dorman Differentials

We carry Dorman parts in our stock across Differential Ring and Pinions and Differential Bearing Kits categories, plus more. For a 1978 Plymouth Trailduster, our most popular Dorman Differentials include:

from $384.99

(2)

Differential Ring And Pinion Set

Differential Ring and Pinions

from $195.99

(1)

Ring and Pinion Bearing Installation Kit

Differential Bearing Kits

from $5.99

(11)

Differential Plug, Rubber

Differential Cover Plugs

Top 1978 Plymouth Trailduster Differentials from Felpro

Felpro products are another trusted brand when it comes to Differentials for your 1978 Plymouth Trailduster. Popular Felpro parts include:

from $9.49

(34)

Differential Cover Gasket

Rear Differential Cover Gaskets

from $6.79

(21)

DIFFERENTIAL GASKET

Rear Housing Cover Gaskets

from $6.49

(10)

Axle Housing Cover Gasket

Rear Housing Cover Gaskets

FAQs for 1978 Plymouth Trailduster Differentials

What are the most purchased Differentials for the 1978 Plymouth Trailduster?

Out of 107 Differentials for the 1978 Plymouth Trailduster, the most popular in our inventory are:

from $23.99

(7)

Bearings

Front Differential Pinion Bearings

from $2.49

This product is not rated

Ring Gear Bolt

Differential Ring Gear Bolts

from $8.99

This product is not rated

Oil Drain Plug Differential Plug Chrysler 2008-2000, Head Size

Differential Cover Plugs

What are the top-rated 1978 Plymouth Trailduster Differentials?

Top-rated Differentials for your 1978 Plymouth Trailduster based on customer reviews/ratings are:

from $219.99

(6)

Differential Carrier Gear Kit

“Great customer service”

from $23.29

(4)

Multi Purpose Seal

“Works well fit right in. Love national seals”

from $10.49

(3)

Oil Seal

“Fit the rear Dana 44 on my TJ just fine and stopped the leaking.”

1978 Plymouth Trailduster Differentials

More 1978 Plymouth Trailduster Differentials

Essential 1978 Plymouth Trailduster Differentials

Driveworks – Tapered Roller Bearing (Part No.S-M-802048)

Pro-King – Clutch Pack (Part No.723A119)

Felpro – DIFFERENTIAL GASKET (Part No.RDS 55047)

Felpro – Differential Cover Gasket (Part No.RDS 55073)

Dorman – Oil Drain Plug Differential Plug Chrysler 2008-2000, Head Size (Part No.090-062CD)

National – Bearings (Part No.02820)

Dorman – Help – Pinion Crush Sleeves (Part No.81055)

Powertrax – Lock Right Locker (Part No.1230-LR)

Motive Gear – Differential Gear Install Kit (Part No.C9.25IK)

Motive Gear – Differential Carrier (Part No.C9.25E)

Motive Gear – Differential Mini Spool (Part No.MSD44-30)

Motive Gear – Differential Ring and Pinion (Part No.D44-488GX)

Motive Gear – Differential Pinion Shim Kit (Part No.1102)

FAG US – CUP (Part No.M802011)

Needa Parts – Rubber Differential Plug Chrysler 2008-2000 (sold by each) (Part No.090-062)

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

Pro-King – Differential Internal Nest Kit (Part No.723A717)

Motive Gear – Differential Carrier Shim Kit (Part No.1115)

Pro-King – Differential Ring Gear Bolt (Part No.742G935)

Motive Gear – Ring Gear Bolt (Part No.1304)

Motive Gear – Pinion Nut (Part No.1260823)

National – Shaft Repair Sleeve (Part No.99225)

National – Shaft Repair Sleeve (Part No.99155)

Richmond Gear – RngPnnInstlKt (Part No.83-1041-1)

Motive Gear – Differential Super Bearing Kit – Koyo (Part No.R8.25RSK)

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

Motive Gear – Differential Pinion Seal (Part No.5778)

Driveworks – Oil Seal (Part No.S-5778)

Popular 1978 Plymouth Trailduster Differentials Categories