1978 Dodge D300 Differentials

Find your specific 1978 Dodge D300 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 Dodge D300 Differentials

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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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$64.99

Differential side bearing screw adjuster for 9.25″ Chrysler.

Product Features:

Side adjuster for Chrysler 9.25″ rear

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$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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$79.99

Seal housing for Dana 60, Zip locker, with o-rings.

Product Features:

Seal housing for Dana Spicer 60
Includes o-rings

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$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!

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$574.99

Ring and Pinion Kit

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$24.99

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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$299.99

Product Features:

Fits Dana Spicer 60
4.10 ratio and down only
Fits standard open differentials only

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$153.99

M804049 set-up bearing (one bearing). No return.

Product Features:

Set up bearing
Fits HM804049 pinion bearing
Easily slips on and off pinion journal to allow for pinion depth adjustment

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$8.99

Product Features:

Clutch guide for Chrysler 9.25″, Dana Spicer 44 and Dana Spicer 60
For Trac Loc positraction applications only

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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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$37.99

Replacement redi-sleeve yoke saver for 8.75″ c, 9.25″ c, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD .Yukon Mighty seal.

Product Features:

Redi-Sleeve yoke saver
Fits Chrysler 8.75″ and 9.25″ rear, Dana Spicer 60, 70, 70U and 70HD

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$249.99

Product Features:

Installation kit
Includes o-ring for bulkhead fitting, bulkhead fitting, outer fitting, switch, front and rear switch cover, solenoid, zip ties and 20′ air line

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$5.99

Dana 60 pinion gear Thrust washer, standard Open & TracLoc (also 8.75″ Chrysler STD) Dana 70 2PC.

Product Features:

Pinion gear thrust washer for Dana Spicer 60
Fits standard open and Trac Loc applications

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$7.99

Dana 60 & Dana 70 Power Lok case bolt.

Product Features:

Power Lok case bolt for Dana Spicer 60 and 70
7/16 x 14 thread
3.5″ long
9/16″ hex head

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$288.99

Product Features:

Nodular iron for added strength
Thick design
Durable powder coat finish
Magnetic drain plug
Made in USA
High strength stainless steel fasteners

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$689.99

The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:

Carrier bearing puller
Works with an impact gun to safely and easliy remove carrrier bearings
Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications

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$939.99

Differential

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$289.99

Yukon replacement standard open spider gear kit for Dana 70 and 80 with 35 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

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$57.99

Product Features:

Crush sleeve eliminator kit for GM 8.5″, 8.6″ and Chrysler 9.25″ rear

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$684.99

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$3.99

Product Features:

Pinion nut washer for Chrysler 7.25″, 8.25″, 8.75″ with 29 spline pinion, Jeep JK rear, Dana Spicer 60, 70, 70U and 70HD and 2007-2010 Ford 10.5″

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$266.99

Yukon forged replacement yoke for Dana 60, stronger than billet, with a 1350 U/joint size. 3.625″ snap ring span, 1.188″ cap diameter. Outside snap ring. This yoke uses u-bolts. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits Dana Spicer 60, 70, 70U and 70HD
29 spline
1350 u-joint size
3.625″ snap ring span
1.188″ cap diameter
Outside snap ring design
U-bolt style

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$4.99

Product Features:

Side gear thrust washer for Dana Spicer 60, 70, 70U, 70HD and 80
Fits standard open differentials only

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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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$184.99

Product Features:

D70 HD BEARING SEAL & GASKET M/K

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$112.99

Product Features:

CARRIER BEARING KIT FORD 10.5″

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$15.99

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

Popular 1978 Dodge D300 Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Cover Plugs

Differential Clutch Packs

Differential Ring and Pinions

Differential End Yokes

Differential Lock Assemblies

Differential Air System Seal Housings

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bearings

Differential Carrier Bearing Adjusters

Front Differential Cover Gaskets

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Complete Differentials

Differential Drain Plugs

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 Bearing Baffles

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Oil Deflectors

Differential Carrier Bolts

Differential Pinion Gear Washers

Limited Slip Differential Assemblies

Differential Clutch Pack Clips

Maybe you’re in the middle of a full rebuild of that 1978 Dodge D300. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 277 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 D300 running smoothly.

Differentials are only as good as their brand. We stock 15 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Dodge D300. Yukon Gear, 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 Dodge D300, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 165 reviews in this category, some of the top rated parts include Differential Carrier Gear Kit with 3.7 stars and DIFFERENTIAL GASKET with 3.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1978 Dodge D300 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 D300 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Dodge D300 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 D300 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 Dodge D300, 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

Top 1978 Dodge D300 Differentials from National

National products are another trusted brand when it comes to Differentials for your 1978 Dodge D300. Popular National parts include:

from $9.99

(8)

Bearings

Rear Differential Pinion Bearings

from $22.99

(3)

Bearings

Differential Bearings

from $17.49

(1)

Bearings

Differential Bearings

FAQs for 1978 Dodge D300 Differentials

What are the most purchased Differentials for the 1978 Dodge D300?

Out of 277 Differentials for the 1978 Dodge D300, the most popular in our inventory are:

from $57.99

This product is not rated

3 Qt – 80W90 Conventional Gear Oil With Posi Additive

Differential Oil

from $2.49

This product is not rated

Ring Gear Bolt

Differential Ring Gear Bolts

from $5.99

This product is not rated

Dana 60, Dana 70 & Dana 80 Cover Bolt

Differential Cover Bolts

What are the top-rated 1978 Dodge D300 Differentials?

Top-rated Differentials for your 1978 Dodge D300 based on customer reviews/ratings are:

from $219.99

(6)

Differential Carrier Gear Kit

“Great customer service”

from $8.29

(4)

DIFFERENTIAL GASKET

“Great Product”

from $15.99

(1)

Differential Cover Gasket

“OEM only uses silicone , the gasket set with a thin layer of silicone is a much better sealant method”

1978 Dodge D300 Differentials

More 1978 Dodge D300 Differentials

Essential 1978 Dodge D300 Differentials

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

Yukon Gear – Differential Side Bearing Screw Adjuster For 9.25" Chrysler (Part No.33256)

Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Yukon Gear – Seal Housing For Dana 60, Zip Locker, With O-Rings (Part No.34039)

Powertrax – Grip PRO Traction System (Part No.GT436035)

Yukon Gear – Ring and Pinion Kit (Part No.24017)

Motive Gear – Differential Pinion Seal (Part No.6808N)

Yukon Gear – Replacement Standard Carrier Case For Dana Spicer 60, 4.10 And Down (Part No.20030)

Yukon Gear – Set Up Bearing (Part No.56046)

Yukon Gear – Chrysler 9.25" And Dana 44 / 60 Tracloc Clutch Guide Replacement (Part No.33249)

National – Bearings (Part No.15245)

Yukon Gear – Redi-Sleeve Yoke Saver For 8.75" C, 9.25" C, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD (Part No.30228)

Yukon Gear – Zip Locker Install Kit (Part No.34026)

Yukon Gear – Dana 60 Pinion Gear Thrust Washer, Standard Open & Tracloc (Also 8.75" Chrysler Std) Dana 70 2Pc (Part No.33287)

Yukon Gear – Dana 60 & Dana 70 Power Lok Case Bolt (Part No.33236)

Yukon Gear – Hardcore Diff Cover For Dana 50, Dana 60 & Dana 70 (Part No.32352)

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

Yukon Gear – Differential (Part No.26040)

Yukon Gear – Replacement Standard Open Spider Gear Kit For Dana 70 And 80 With 35 Spline Axles, XHD Design (Part No.16181)

Yukon Gear – Crush Sleeve Eliminator Kit For GM 8.5" & Chrysler 9.25" (Part No.55048)

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

Yukon Gear – Dana 44 JK / 60 / 70U Pinion Nut Washer Replacement (Part No.33164)

Yukon Gear – Forged Replacement Yoke For Dana 60, Stronger Than Billet, With A 1350 U/Joint Size (Part No.41029)

Yukon Gear – Side Gear Thrust Washer For Dana 60, 70 & 80 (Part No.33532)

USA Standard Gear – Pinion Installation Kit For Chrysler 9.25" Rear (Part No.60004)

Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R70HRMK)

Motive Gear – Differential Carrier Bearing Kit – Koyo (Part No.R10.5CK)

Felpro – Differential Cover Gasket (Part No.RDS 6014)

Popular 1978 Dodge D300 Differentials Categories