1979 Dodge D300 Differentials

Keep Your 1979 Dodge D300 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1979 Dodge D300 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Covers, Differential Pinion Seals, 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 Dorman, FELPRO, and National. For example, Dorman Differentials start at just $7.99 with an average 4.2 star rating. FELPRO and National offer similar pricing and quality, backed by strong customer feedback. With over 102 reviews and a solid 4 star average, you can shop with confidence knowing other Dodge D300 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1979 Dodge D300 Differential at Advance Auto Parts is around $275.45, with a range that starts at $2.29 and goes up to $1,487.99. With 272 options in stock from 14 trusted brands, finding the right fit is easy. Popular picks like Ring Gear Bolt, Oil Drain Plug Differential Plug Chrysler 2008-2000, Head Size, and Tapered Roller Bearing Cone start at just $2.99 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 1979 Dodge D300 in peak condition, inside and out.

Looking for the perfect Differential for your 1979 Dodge D300? 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 Dodge D300. Whether you’re driving a 1979 model or another popular model year like 1975, 1976, 1977, 1978, 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 1979 Dodge D300 Differentials

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$46.99

Cross pin shaft for standard open Chrysler 9.25″, .860″ diameter. Will not fit posi!

Product Features:

Cross pin shaft for Chrysler 9.25″
Fits standard open differentials only
0.860″ diameter

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$211.99

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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$316.99

Yukon 1541H alloy 5 lug rear axle for ’79 and older Chrysler 9.25″ 2WD with a length of 31-11/16″ and 31 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a C-clip axle.

Product Features:

31 spline
5 lug
31 11/16″ long
Fits Chrysler 9.25″ in 1979 and down Dodge 2WD truck

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$369.99

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 standard rotation Dana Spicer 60
9.75″ ring gear diameter
29 spline pinion
12 ring gear bolts
5.86 ratio

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$579.99

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!

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$13.99

Pinion seal for 8.75″ Chrysler or for 9.25″ Chrysler with 41 or 89 housing.Yukon Mighty seal.

Product Features:

Pinion seal
Fits Chrysler 8.75″ with ’41’ and ’89’ case housings and 2000 and down Chrysler 9.25″

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$2.99

Product Features:

RING GEAR BOLT 8.5″ 7.5″ 7/16 X 20 LEFT HAND

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$301.99

Yukon standard open spider gear replacement kit for Dana 60 and 61 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.

Product Features:

Spider gear kit
Fit Dana Spicer 60 open differential with 35 spline axles
Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

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$12.99

9.25″ pinion gear thrust washer.

Product Features:

Pinion gear thrust washer for Chrysler 9.25″ rear

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$17.49

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

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$8.99

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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$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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$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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$98.99

Six piece side gear thrust washer kit for Chrysler 8″ and 9.25″.

Product Features:

Side gear thrust washer kit
Fits Chrysler 8″ and 9.25″

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$20.49

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

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$289.99

Yukon yoke for Chrysler 9.25″ with a 7260 U/joint size. 2.125″ snap ring span, 1.078″ cap diameter. Inside snap ring.All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits Chrysler 9.25″ rear
29 spline
7260 u-joint size
Inside snap ring design
2.125″ snap ring span
1.078″ cap diameter
Strap style

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$17.99

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

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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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$229.99

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 Dana Spicer 60 rear
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.

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$7.99

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

from

$126.99

Product Features:

Carrier shim kit
Fits Dana Spicer 70 and 70HD

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$1487.99

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 selectability. The Yukon Zip locker is an air operated locker that provides selectable traction for off road or street use. This unit features 4320 Chrome Moly internals for added strength. Assembled in the USA! compressor sold separately. All Zip Lockers are backed by the best warranty in the business! All Zip Lockers come with a six (6) year warranty, including any collaterally damaged parts and associated labor, up to $2,000, for the first two (2) years. This is a narrow case locker. If you have a wide housing, please order two DS 42563 with your locker. This locker is ABS compatible.

Product Features:

Fits Dana Spicer 60 with 35 spline axles
4.10 and down ratio only
Forged case and 8620 internals for added strength
Works with a variety of air delivery systems
Assembled in the USA

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$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

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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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$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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$276.99

Set-up carrier bearing kit (2 bearings, no races) for Dana 60 and 70. 387A. No return.

Product Features:

Set up bearing kit
Fits Dana Spicer 60
Easily slips on and off carrier journals to allow for easier carrier shim adjustment

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$231.99

Product Features:

DANA-70 R/P 5.86 STD .625″ OFFSET

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$8.99

Positraction clutch guide.

Product Features:

Clutch guide for Chrysler 9.25″, Dana Spicer 44, Dana Spicer 50, Ford 8.8″, GM 12 bolt passenger car, GM 8.2″, 8.5″ and 8.6″, 1963-1979 Corvette and Nissan Titan
Compatible with Dura Grip positractions only

Popular 1979 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

Front Housing Cover Gaskets

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 Cases

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

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

Differential Ring and Pinion Kits

Limited Slip Differential Assemblies

Differential Clutch Pack Clips

Best-Selling 1979 Dodge D300 Differential Pinion Seals

Upgrade your D300 with one of our 4 best-selling Differential Pinion Seals.

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$17.49

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:

Design type: spring loaded; multi-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

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$16.49

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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$39.99

Replacement pinion seal for Dana 44HD, Dana 60 & Dana 70 .Yukon Mighty seal.

Product Features:

Pinion seal
Pinion seal
Fits Dana Spicer 44HD, 60, 70, 70U and 70HD

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$13.99

Pinion seal for 8.75″ Chrysler or for 9.25″ Chrysler with 41 or 89 housing.Yukon Mighty seal.

Product Features:

Pinion seal
Fits Chrysler 8.75″ with ’41’ and ’89’ case housings and 2000 and down Chrysler 9.25″

Top-Quality Rear Differential Cover Gaskets for 1979 Dodge D300s

Choose a high-quality OEM or aftermarket Rear Differential Cover Gasket for Dodge D300s and enjoy top-notch performance from $9.99.

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$17.99

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

$12.99

9.25″ Chrysler rear cover gasket.

Product Features:

Cover gasket
Fits Chrysler 9.25″ rear

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$9.99

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

Top Picks for 1979 Dodge D300 Differential Bearings

Invest in one of our 9 durable Differential Bearings for your 1979 Dodge, knowing you’re getting trusted brands and expert craftsmanship.

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from

$17.49

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

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$19.99

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

$30.99

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

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$8.49

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

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$17.79

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

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$21.79

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

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$9.99

Product Features:

Cross pin bolt for Dana Spicer 60 with c-clip axles

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$9.99

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

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$6.99

Cross pin bolt for Chrysler 8.25″, 9.25″ rear, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 7.2″ IFs, 7.5″, 7.6″, 8.0″, 8.25″ IFS & 8.5″.

Product Features:

Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 botl car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS

Differential Oil for 1979 Dodge D300s

Make a smart move for your 1979 Dodge D300 with products all priced from $99.99 to $148.99.

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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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$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

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$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

Top-Rated Differential Brands For Your 1979 Dodge D300

When it comes to finding the perfect Differential for your 1979 Dodge D300, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 14 trusted brands. We carry the most popular Differential brands including FELPRO, National, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1979 Dodge D300, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 1979 Dodge D300 Differentials

If you’re looking for a top-quality Differential for your 1979 Dodge D300, Advance Auto Parts has exactly what you need with our selection of FELPRO Differentials. We have 1 FELPRO Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $17.99, you’ll find the perfect Differential for your needs and budget. FELPRO Differentials for the 1979 Dodge D300 come highly rated, with over 1 customer reviews and an impressive average rating of 4.6 stars. Choosing a FELPRO Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $17.99

(1)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

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

Top-Quality National 1979 Dodge D300 Differentials

For those in search of a high-quality Differential for their 1979 Dodge D300, Advance Auto Parts offers a great selection of National Differentials. With 1 National 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 $17.49, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $17.49

(1)

Bearing Race

“I needed them quick an as inexpensive as possible. It was a great buy and experience I would do it again”

FAQs for 1979 Dodge D300 Differentials

What are the best-selling Differentials for 1979 Dodge D300s?

Out of 272 Differentials that fit 1979 Dodge D300s, the following parts are the top sellers:

Ring Gear Bolt (20520168) – $2.99
Oil Drain Plug Differential Plug Chrysler 2008-2000, Head Size (11826818) – $9.99
Tapered Roller Bearing Cone (3277410) – $19.99

What’s the price range for 1979 Dodge D300 Differentials?

The prices of Differentials for the 1979 Dodge D300 range from $2.29 up to $1,487.99 for the most premium parts.

What is the average price of a Differential for a 1979 Dodge D300?

The average price for Differentials for the 1979 Dodge D300 is $275.45. 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 Dodge D300 model years?

Yes, we carry Differentials for 4 model years of Dodge D300s between 1975 and 1980. The following model years are the most popular for Differential purchases: 1980, 1978, 1977, 1976, and 1975.

What are the cheapest Differentials for my 1979 Dodge D300?

The cheapest 1979 Dodge D300 Differentials we carry are:

Differential Crush Sleeve (20520218) – $2.29
Ring Gear Bolt (20520168) – $2.99
Dana 44 JK / 60 / 70U Pinion Nut Washer Replacement (11643194) – $3.99
Differential Plug 3/4 Inch Rubber (22145314) – $4.29
Replacement Ring Gear Bolt For Dana 60, 70, 70U & 70HD, 1/2" X 18 (11643357) – $4.99

Does Advance Auto Parts sell Differentials for any other 1979 Dodge models?

Yes. We stock Differentials for 21 other popular 1979 Dodge models. Some of the most popular are 1979 Challenger Differentials, 1979 Magnum Differentials, 1979 Ramcharger Differentials, 1979 W150 Differentials, and 1979 D150 Differentials.

What are the top-rated Differentials that fit the 1979 Dodge D300?

The one 1979 Dodge D300 Differential we have in stock is the Differential Crush Sleeve. It costs $2.29.

What types of Differentials do you sell for my 1979 Dodge D300?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 1979 Dodge D300:

Can I get help with 1979 Dodge D300 Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Dodge Differentials and more.

What is your return policy for Dodge D300 Differentials?

Advance Auto Parts keeps returns simple. For new Dodge D300 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1979 Dodge D300 Differentials

Yukon Gear – Cross Pin Shaft For Standard Open Chrysler 9.25" (Part No.33311)

Pro-King – Clutch Pack (Part No.717A119)

Yukon Gear – 1541H Alloy 5 Lug Rear Axle For ’79 And Older Chrysler 9.25" 2WD (Part No.21016)

USA Standard Gear – Replacement Ring & Pinion Gear Set For Dana 60 In A 5.86 Ratio (Part No.36315)

Powertrax – No-Slip Traction System (Part No.9203923125)

Yukon Gear – Pinion Seal For 8.75" Chrysler Or For 9.25" Chrysler With 41 Or 89 Housing (Part No.30121)

Motive Gear – Ring Gear Bolt (Part No.14066913)

Yukon Gear – Standard Open Spider Gear Replacement Kit For Dana 60 And 61 With 35 Spline Axles (Part No.16085)

Yukon Gear – 9.25" Pinion Gear Thrust Washer (Part No.33274)

National – Bearing Race (Part No.28622)

Dorman – Help – Pinion Crush Sleeve (Part No.81059)

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

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

Yukon Gear – Six Piece Side Gear And Thrust Washer Kit For Chrysler 8" And 9.25" (Part No.33278)

National – Bearing Race (Part No.HM803110)

Yukon Gear – Yoke For Chrysler 9.25" With A 7260 U/Joint Size. (Part No.41001)

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6014)

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

USA Standard Gear – Bearing Kit For Dana 60 Rear (Part No.58042)

Dorman – Help – Differential Plug, Rubber (Part No.65293)

Yukon Gear – Replacement Carrier Shim Kit For Dana 70 & 70HD (Part No.55019)

Yukon Gear – Zip Locker For Dana 60 With 35 Spline Axles, 4.10 & Down (Part No.34022)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

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

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

Yukon Gear – Set Up Bearing (Part No.56039)

Motive Gear – Differential Ring and Pinion (Part No.D70-586)

Yukon Gear – Positraction Clutch Guide (Part No.33352)

Yukon Gear – Steel Cover For Dana 70 (Part No.32322)

Yukon Gear – Chrome Cover For Chrysler 9.25" (Part No.32001)

Yukon Gear – Steel Cover For Dana 60 Standard Rotation (Part No.32321)

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

Yukon Gear – Polished Aluminum Replacement Cover For Dana 60 (Part No.32024)

Yukon Gear – Steel Cover For Chrysler 9.25" Rear (Part No.32314)

Yukon Gear – Chrome Replacement Cover For Dana 60 And 61 Standard Rotation (Part No.32005)

National – Multi-Purpose Seal (Part No.9316)

Motive Gear – Differential Pinion Seal (Part No.9316)

Yukon Gear – Replacement Pinion Seal For Dana 44HD, Dana 60 & Dana 70 (Part No.30208)

Yukon Gear – Pinion Seal For 8.75" Chrysler Or For 9.25" Chrysler With 41 Or 89 Housing (Part No.30121)

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6014)

Yukon Gear – 9.25" Chrysler Rear Cover Gasket (Part No.23002)

Victor Reinz – Differential Cover Gasket (Part No.71-14868-00)

National – Bearing Race (Part No.28622)

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

National – Tapered Roller Bearing Cone (Part No.28682)

National – Bearing Race (Part No.LM501310)

National – Bearing Race (Part No.382S)

FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT11)

Yukon Gear – 9.25" Chrysler, Dana 60 Semi-Float X/P Bolt, 80 & Up, 5/16" Head, Tapered Shoulder (Part No.33238)

FAG US – Cup (Part No.LM501310)

Yukon Gear – Cross Pin Bolt (Part No.33067)

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)