1978 Plymouth Trailduster Differentials

Essential 1978 Plymouth Trailduster Differentials

Pro-King – Differential Case (Empty) (Part No.723A714)

Differential Case (Empty)

from

$243.99
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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National – Multi Purpose Seal (Part No.8516N)

Multi Purpose Seal

from

$17.29
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Motive Gear – Differential Carrier (Part No.C9.25E)

Differential Carrier

from

$165.99


Product Features:
  • CHRYS 9 1/4″ OPEN EMPTY CASE CAN USE ABS RING.
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National – Bearings (Part No.LM102910)

Bearings

from

$6.99
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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Motive Gear – Differential Bearing Kit – Timken (Part No.R8.25RT)

Differential Bearing Kit - Timken

from

$102.99
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 CHRYSLER 8.25″
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Motive Gear – Differential Carrier Gear Kit (Part No.C9.25BI)

Differential Carrier Gear Kit

from

$219.99


Product Features:
  • C9.25 OPEN INTERNAL KIT, 1984-UP
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Motive Gear – Differential Pinion Shim Kit (Part No.1102)

Differential Pinion Shim Kit

from

$9.49


Product Features:
  • KIT SHIM PINION
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Felpro – Differential Cover Gasket (Part No.RDS 55073)

Differential Cover Gasket

from

$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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National – Shaft Repair Sleeve (Part No.99138)

Shaft Repair Sleeve

from

$27.49
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Dorman – Oil Drain Plug Differential Plug Chrysler 2008-2000, Head Size (Part No.090-062CD)

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

from

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

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$12.79
Product Features:
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks
  • Long-life friction modifiers and premium base oils help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • Enhanced cleaning additives help reduce varnish formation and keep the transmission running properly longer
  • Engineered with a unique blend of viscosity modifiers and base oils to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Pro-King – Crush Sleeve (Part No.723A034)

Crush Sleeve

from

$2.49
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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Pro-King – Differential Ring Gear Bolt (Part No.742G935)

Differential Ring Gear Bolt

from

$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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Motive Gear – Differential Gear Install Kit (Part No.C8.25IK)

Differential Gear Install Kit

from

$39.99
Product Features:
  • MINI INSTALL KIT CHRYSLER 8.25 8 1/4″
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National – Bearings (Part No.31520)

Bearings

from

$12.29
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

Motive Gear – Differential Ring and Pinion (Part No.C8.25-373)

Differential Ring and Pinion

from

$272.99
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 o
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Powertrax – Grip LS Traction System (Part No.LS308229)

Grip LS Traction System

from

$505.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
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National – Bearings (Part No.M804010)

Bearings

from

$25.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

Motive Gear – Differential Spool (Part No.FSD44-30)

Differential Spool

from

$193.99


Product Features:
  • FULL SPOOL-DANA 44, 30 SPL. 3.92-UP
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Motive Gear – Drive Shaft Pinion Yoke (Part No.MG1310-6010)

Drive Shaft Pinion Yoke

from

$117.99


Product Features:
  • PINION YOKE
  • CAST:1310
  • U-BOLT STYLE
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Pro-King – Clutch Pack (Part No.723A119)

Clutch Pack

from

$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.
See More

Motive Gear – Differential Carrier Gear Kit (Part No.706027XR)

Differential Carrier Gear Kit

from

$102.99


Product Features:
  • DANA-44 OPEN INTERNAL KIT
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Felpro – Axle Housing Cover Gasket (Part No.RDS 6629)

Axle Housing Cover Gasket

from

$6.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Powertrax – No-Slip Traction System (Part No.9203822705)

No-Slip Traction System

from

$527.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
  • See More

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

    Differential Internal Nest Kit

    from

    $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.
    See More

    Motive Gear – Differential Pinion Nut (Part No.1260823)

    Differential Pinion Nut

    from

    $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 o
    See More

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

    Rubber Differential Plug Chrysler 2008-2000 (sold by each)

    from

    $10.99
    Our Differential Cover Plug is manufactured from high quality rubber. Durable design ensures a long service life.

    Product Features:
    • Direct replacement for a proper fit every time
    • Conveniently available in packs of different quantities
    • Easy to install
    • Dorman’s Differential Cover Plugs are constructed to strict engineering quality standards
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    Needa Parts – Differential Plug, Rubber, Chrysler 2008-2000 (Part No.65293)

    Differential Plug, Rubber, Chrysler 2008-2000

    from

    $5.99
    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
    See More

    1978 Plymouth Trailduster Differentials

    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 108 different Differentials in our inventory ranging from $1.99 to $658.99. 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 10 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Plymouth Trailduster. Valvoline, Felpro, and National 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 2,810 reviews in this category, some of the top rated parts include Axle Housing Cover Gasket with 4.3 stars and Bearings with 5.0 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 Needa Parts Differentials

    We carry Needa Parts parts in our stock across Differential Drain Plugs categories, plus more. For a 1978 Plymouth Trailduster, our most popular Needa Parts Differentials include:
    Differential Plug, Rubber, Chrysler 2008-2000
    from $5.99
    (11)
    Differential Plug, Rubber, Chrysler 2008-2000
    Differential Drain Plugs

    FAQs for 1978 Plymouth Trailduster Differentials

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

    Out of 108 Differentials for the 1978 Plymouth Trailduster, the most popular in our inventory are:
    Differential Cover Gasket
    from $9.49
    (34)
    Differential Cover Gasket
    Rear Differential Cover Gaskets
    DIFFERENTIAL GASKET
    from $6.79
    (21)
    DIFFERENTIAL GASKET
    Rear Differential Cover Gaskets
    Ring Gear Bolt
    from $2.49
    This product is not rated
    Ring Gear Bolt
    Differential Ring Gear Bolts

    What are the top-rated 1978 Plymouth Trailduster Differentials?

    Top-rated Differentials for your 1978 Plymouth Trailduster based on customer reviews/ratings are:
    Axle Housing Cover Gasket
    from $6.49
    (10)
    Axle Housing Cover Gasket
    “fit perfectly and was easy to work with.no more leaking rear differential.”
    Bearings
    from $15.99
    (9)
    Bearings
    “as advertised”
    Differential Carrier Gear Kit
    from $219.99
    (6)
    Differential Carrier Gear Kit
    “Great customer service”