1978 Dodge D100 Differentials

Essential 1978 Dodge D100 Differentials

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

Model 35 (Standard Open & Tracloc) 8.25" Chrysler Tracloc Cross Pin Bolt

from

$13.99
Model 35 (standard Open & TracLoc) 8.25″ Chrysler TracLoc cross pin bolt.

Product Features:
  • Cross pin bolt for AMC Model 35 with c-clip axles
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Felpro – DIFFERENTIAL GASKET (Part No.RDS 55047)

DIFFERENTIAL GASKET

from

$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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Driveworks – Cylindrical Bearing (Part No.S-R1561TV)

Cylindrical Bearing

from

$31.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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National – Multi Purpose Seal (Part No.5126)

Multi Purpose Seal

from

$18.99
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:
  • 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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Yukon Gear – 9.25" Chrysler Rear Cover Gasket (Part No.23002)

9.25" Chrysler Rear Cover Gasket

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$12.99
9.25″ Chrysler rear cover gasket.

Product Features:
  • Cover gasket
  • Fits Chrysler 9.25″ rear
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USA Standard Gear – Chrysler 8.25" Spartan Locker Cross Pin Shaft (Part No.17035)

Chrysler 8.25" Spartan Locker Cross Pin Shaft

from

$49.99
Product Features:
  • USA Standard Gear heavy-duty cross pin shaft
  • Fits Chrylser 8.25″ with 27 and 29 spline axles
  • Works with Spartan Locker or standard open spider gears
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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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Yukon Gear – Bearing Race Driver (Part No.56020)

Bearing Race Driver

from

$215.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M802011 race
  • All steel construction
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Richmond Gear – RngPnn (Part No.49-0078-1)

RngPnn

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$426.99
RngPnn

USA Standard Gear – Spartan Locker For Chrysler 8.25" With 29 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17038)

Spartan Locker For Chrysler 8.25" With 29 Spline Axles, Includes Heavy-Duty Cross Pin Shaft

from

$799.99
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 one year warranty against defect.

Product Features:
  • Fits Chrysler 8.25″ with 29 spline axles
  • Made from 9310 steel for added strength
  • Replaces the spiders in a standard carrier case
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Yukon Gear – Differential Side Bearing Screw Adjuster For 9.25" Chrysler (Part No.33256)

Differential Side Bearing Screw Adjuster For 9.25" Chrysler

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$64.99
Differential side bearing screw adjuster for 9.25″ Chrysler.

Product Features:
  • Side adjuster for Chrysler 9.25″ rear
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National – Bearings (Part No.M86610)

Bearings

from

$9.49
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
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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
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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Powertrax – Grip LOK Traction System (Part No.LK436035)

Grip LOK Traction System

from

$684.99
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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Dorman – Differential Pinion Yoke Assembly (Part No.697-541)

Differential Pinion Yoke Assembly

from

$231.99
A worn or damaged differential pinion flange can lead to driveline vibrations and fluid leaks. This part is designed to match the performance of the original equipment pinion flange on specified vehicles. It has been engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is rusted, worn or damaged. It is made of rugged materials for reliable service and durability.

Product Features:
  • Direct replacement – this differential pinion flange is designed to match the performance of the original equipment flange on specified vehicles.
  • Ideal solution – engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is worn or damaged.
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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USA Standard Gear – Pinion Installation Kit For Chrysler 9.25" Rear (Part No.60004)

Pinion Installation Kit For Chrysler 9.25" Rear

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$135.99
9.25″ Chrysler REAR PINION KIT .

Product Features:
  • Fits 2000 and down Chrysler 9.25″ rear
  • Uses Koyo bearings and races
  • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, marking compound and brush.
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Yukon Gear – Steel Cover For Chrysler 8.25" (Part No.32312)

Steel Cover For Chrysler 8.25"

from

$159.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses t

Product Features:
  • Fits Chrysler 8.25″
  • Steel
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Motive Gear – Differential Gear Install Kit (Part No.C9.25IK)

Differential Gear Install Kit

from

$28.99
Product Features:
  • MINI INSTALL KIT CHRYSLER 9.25 9 1/4″
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Yukon Gear – Set Up Bearing (Part No.56045)

Set Up Bearing

from

$153.99
M802048 set-up bearing (one bearing). No return.

Product Features:
  • Set up bearing
  • Fits M802048 pinion bearing
  • Easily slips on and off pinion journal to allow for easier pinion depth adjustment
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Yukon Gear – Ring Gear Bolt For Chrysler 9.25" Rear (Part No.33033)

Ring Gear Bolt For Chrysler 9.25" Rear

from

$9.99
Ring gear bolt for Chrysler 9.25″ rear, 7/16″ x 18.

Product Features:
  • Ring gear bolt for Chrysler 9.25″ rear
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USA Standard Gear – Open Spider Gear Set For Chrysler 9.25", 31 Spline (Part No.39004)

Open Spider Gear Set For Chrysler 9.25", 31 Spline

from

$209.99
Product Features:
  • Fits Chrysler 9.25″ rear with open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Yukon Gear – Pinion Nut (Part No.33142)

Pinion Nut

from

$10.99
Pinion nut for Chrysler 7.25″, 8.0″ IFS, 8.25″, 8.75″ fine spline, 9.25″ front & rear, 7/16″ x 14.

Product Features:
  • Pinion nut for Chrysler 8.0″ IFS, 8.25″, 8.75″ with 29 spline pinion and 9.25″ rear
  • 7/8″ x 14 thread
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Dorman – Help – Differential Plug, Rubber (Part No.65293)

Differential Plug, Rubber

from

$5.99
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
See More

Yukon Gear – Carrier Installation Kit For ’76 & Up Chrysler 8.25" Rear (Part No.57014)

Carrier Installation Kit For '76 & Up Chrysler 8.25" Rear

from

$78.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for ’76 & up Chrysler 8.25″ rear.

Product Features:
  • Fits 1976 and up Chrysler 8.25″
  • Includes carrier bearings and races
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Motive Gear – Differential Super Bearing Kit – Koyo (Part No.R9.25RSK)

Differential Super Bearing Kit - Koyo

from

$141.99


Product Features:
  • SUPER KIT-CHRY 9.25(NON-HD)
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Yukon Gear – 8.25" Chrysler Pinion Gear Thrust Washer (Part No.33273)

8.25" Chrysler Pinion Gear Thrust Washer

from

$26.99
8.25″ Chrysler pinion gear thrust washer.

Product Features:
  • Pinion gear thrust washer
  • Fits Chrysler 8.25″
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Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

from

$148.99
Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
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Powertrax – Grip PRO Traction System (Part No.GT436035)

Grip PRO Traction System

from

$596.99
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!
See More

1978 Dodge D100 Differentials

Maybe you’re in the middle of a full rebuild of that 1978 Dodge D100. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 184 different Differentials in our inventory ranging from $2.29 to $1,566.99. That means you can find the exact parts or products you need to keep that 1978 Dodge D100 running smoothly.

Differentials are only as good as their brand. We stock 12 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Dodge D100. FELPRO, Yukon Gear, 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 Dodge D100, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 984 reviews in this category, some of the top rated parts include Differential Carrier Gear Kit with 3.7 stars and Differential Ring And Pinion Set with 5.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1978 Dodge D100 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 Dodge D100 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Dodge D100 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 D100 the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Yukon Gear Differentials

We carry Yukon Gear parts in our stock across Differential Cross Pins categories, plus more. For a 1978 Dodge D100, our most popular Yukon Gear Differentials include:
Cross Pin Shaft For Standard Open Chrysler 9.25"
from $46.99
(1)
Cross Pin Shaft For Standard Open Chrysler 9.25"
Differential Cross Pins

Top 1978 Dodge D100 Differentials from Felpro

Felpro products are another trusted brand when it comes to Differentials for your 1978 Dodge D100. Popular Felpro parts include:
Differential Cover Gasket
from $9.49
(34)
Differential Cover Gasket
Rear Differential Cover Gaskets
DIFFERENTIAL GASKET
from $6.79
(21)
DIFFERENTIAL GASKET
Rear Housing Cover Gaskets

FAQs for 1978 Dodge D100 Differentials

What are the most purchased Differentials for the 1978 Dodge D100?

Out of 184 Differentials for the 1978 Dodge D100, the most popular in our inventory are:
3 Qt - 80W90 Conventional Gear Oil With Posi Additive
from $57.99
This product is not rated
3 Qt – 80W90 Conventional Gear Oil With Posi Additive
Differential Oil
Bearings
from $23.99
(7)
Bearings
Front Differential Pinion Bearings
Ring Gear Bolt
from $2.49
This product is not rated
Ring Gear Bolt
Differential Ring Gear Bolts

What are the top-rated 1978 Dodge D100 Differentials?

Top-rated Differentials for your 1978 Dodge D100 based on customer reviews/ratings are:
Differential Carrier Gear Kit
from $219.99
(6)
Differential Carrier Gear Kit
“Great customer service”
Differential Ring And Pinion Set
from $384.99
(2)
Differential Ring And Pinion Set
“good”
Ring and Pinion Bearing Installation Kit
from $195.99
(1)
Ring and Pinion Bearing Installation Kit
“This newly designed applicator works incredibly well. *Note that Nissan changed color code A15 from Red Brawn to Sparkle Red, but they are the same c”