1979 Dodge B300 Differentials

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Keep Your 1979 Dodge B300 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 B300 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Differential Cover Gaskets, Differential Oil, and Differential Pinion Seals. 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, National, and Felpro. For example, Dorman Differentials start at just $7.99 with an average 4.2 star rating. National and Felpro offer similar pricing and quality, backed by strong customer feedback. With over 1,420 reviews and a solid 3.8 star average, you can shop with confidence knowing other Dodge B300 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1979 Dodge B300 Differential at Advance Auto Parts is around $288.90, with a range that starts at $1.25 and goes up to $1,487.99. With 247 options in stock from 15 trusted brands, finding the right fit is easy. Popular picks like Motive Gear Ring Gear Bolt, 14066913, Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002, and Dorman Oil Drain Plug Differential Plug 2008-2000, Head Size, 090-062CD 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 B300 in peak condition, inside and out.

Essential 1979 Dodge B300 Differentials

Yukon Gear – Yukon Gear Set Up Bearing, 56041 (Part No.56041)

Yukon Gear Set Up Bearing, 56041

from

$152.99
Set-up bearing (one bearing). HM803149. No return.
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Spicer – Spicer Differential Companion Flange, 29 Spline Male Pilot 1350 Series Builder Axle Compatible, 2010948 (Part No.2010948)

Spicer Differential Companion Flange, 29 Spline Male Pilot 1350 Series Builder Axle Compatible, 2010948

from

$106.99
Demand genuine Spicer. Dana design, engineering, testing and manufacturing processes all work in conjunction with one another to ensure unparalleled performance that non-genuine parts simply cannot deliver.
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Yukon Gear – "Yukon Gear Redline Synthetic ""Shock Proof"" Oil – 4 Quarts, 15004" (Part No.15004)

"Yukon Gear Redline Synthetic ""Shock Proof"" Oil - 4 Quarts, 15004"

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Yukon Gear – "Yukon Gear Bolt/Screw for Adjuster Lock for Chrysler 7.25"", 8.25"", 8.75"", 9.25"", 33233" (Part No.33233)

"Yukon Gear Bolt/Screw for Adjuster Lock for Chrysler 7.25"", 8.25"", 8.75"", 9.25"", 33233"

from

$15.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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National – National Bearing Race, HM807010 (Part No.HM807010)

National Bearing Race, HM807010

from

$27.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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Yukon Gear – Yukon Gear Full-Floating Blank, Dana 60, 35 Spline Diameter, Non-Drilled Axle Shaft, 21005 (Part No.21005)

Yukon Gear Full-Floating Blank, Dana 60, 35 Spline Diameter, Non-Drilled Axle Shaft, 21005

from

$232.99
Yukon Master Overhaul Kits give you all the high-quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses high-quality Koyo/Timken bearings and races along with high quality seals and small parts. Yukon Master Overhaul Kits are the most comprehensive and complete kits on the market because Yukon does extensive research to ensure that every kit has everything you need for your application.
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Yukon Gear – Yukon Gear Zip Locker Bulkhead Fitting, 34001 (Part No.34001)

Yukon Gear Zip Locker Bulkhead Fitting, 34001

from

$27.99
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 select ability.
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Yukon Gear – Yukon Gear Rubber Fill Plug For Chrysler, 33463 (Part No.33463)

Yukon Gear Rubber Fill Plug For Chrysler, 33463

from

$22.99
“Yukon 4340 Chrome-Moly replacement inner axle for Dana 60 with a length of 16.17″” and 35 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “”No Questions Asked”” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.”
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National – National Tapered Roller Bearing Cone, HM803146 (Part No.HM803146)

National Tapered Roller Bearing Cone, HM803146

from

$40.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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Yukon Gear – Yukon Gear Spindle Boring Tool Replacement Bit for Dana 60, 56050 (Part No.56050)

Yukon Gear Spindle Boring Tool Replacement Bit for Dana 60, 56050

from

$499.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.
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USA Standard Gear – USA Standard Gear Differential Open Unit/Component, 59014 (Part No.59014)

USA Standard Gear Differential Open Unit/Component, 59014

from

$484.99
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 Limited warranty against defects on their ring & pinion sets.
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Yukon Gear – Yukon Gear Crush Sleeve, 33094 (Part No.33094)

Yukon Gear Crush Sleeve, 33094

from

$15.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Needa Parts – Needa Parts Rubber Differential Plug Chrysler 2008-2000 (Sold by each), 090-062 (Part No.090-062)

Needa Parts Rubber Differential Plug Chrysler 2008-2000 (Sold by each), 090-062

from

$10.99
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.
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Yukon Gear – "Yukon Gear Ltd. Slip Clutch Guide, Chry 9.25/Dana 44/50/GM 12 Bolt/8.2""/8.5""/8.6""/Nis M226, 33352" (Part No.33352)

"Yukon Gear Ltd. Slip Clutch Guide, Chry 9.25/Dana 44/50/GM 12 Bolt/8.2""/8.5""/8.6""/Nis M226, 33352"

from

$8.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – Yukon Gear Steel Cover for Dana 60 Standard Rotation, 32321 (Part No.32321)

Yukon Gear Steel Cover for Dana 60 Standard Rotation, 32321

from

$114.99
These Yukon replacement diff covers are a direct bolt-on.
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USA Standard Gear – USA Standard Gear Differential Rebuild Kit, 60017 (Part No.60017)

USA Standard Gear Differential Rebuild Kit, 60017

from

$225.99
USA Standard Gear Differential Rebuild Kit, 60017.
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Yukon Gear – "Yukon Gear Differential Side Bearing Screw Adjuster for 9.25"" Chrysler, 33256" (Part No.33256)

"Yukon Gear Differential Side Bearing Screw Adjuster for 9.25"" Chrysler, 33256"

from

$64.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – Yukon Gear Zip Locker For Dana 60 With 35 Spline Axles, 4.10 & Down, 34022 (Part No.34022)

Yukon Gear Zip Locker For Dana 60 With 35 Spline Axles, 4.10 & Down, 34022

from

$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.
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Yukon Gear – Yukon Gear Dana 60, Dana 70 & Dana 80 Cover Bolt, 33235 (Part No.33235)

Yukon Gear Dana 60, Dana 70 & Dana 80 Cover Bolt, 33235

from

$5.99
“3/8″” cover bolt, Dana 60, Dana 70 & Dana 80.”
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Motive Gear – Motive Gear Differential Bearing Kit – Koyo, R70R (Part No.R70R)

Motive Gear Differential Bearing Kit - Koyo, R70R

from

$157.99
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
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Yukon Gear – "Yukon Gear Chrysler 9.25"" and Dana 44 / 60 Tracloc Clutch Guide Replacement, 33249" (Part No.33249)

"Yukon Gear Chrysler 9.25"" and Dana 44 / 60 Tracloc Clutch Guide Replacement, 33249"

from

$8.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – Yukon Gear Zip Locker Rear Switch Cover, 34010 (Part No.34010)

Yukon Gear Zip Locker Rear Switch Cover, 34010

from

$7.99
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 select ability.
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Yukon Gear – Yukon Gear Seal Housing for Dana 60, Zip Locker, with O-Rings, 34039 (Part No.34039)

Yukon Gear Seal Housing for Dana 60, Zip Locker, with O-Rings, 34039

from

$79.99
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 select ability.
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Felpro – Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6095-1 (Part No.RDS 6095-1)

Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6095-1

from

$9.49
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.
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Dorman – Dorman Differential Pinion Yoke Assembly, 697-541 (Part No.697-541)

Dorman Differential Pinion Yoke Assembly, 697-541

from

$234.99
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.
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Motive Gear – Motive Gear Differential Gear Install Kit, D60IK (Part No.D60IK)

Motive Gear Differential Gear Install Kit, D60IK

from

$63.99
Motive Gear Differential Gear Install Kit, D60IK.
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Pro-King – Pro-King Differential Internal Nest Kit, 723A717 (Part No.723A717)

Pro-King Differential Internal Nest Kit, 723A717

from

$161.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Motive Gear – Motive Gear Differential Carrier Shim Kit, 1106 (Part No.1106)

Motive Gear Differential Carrier Shim Kit, 1106

from

$18.99
Motive Gear Differential Carrier Shim Kit, 1106.
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Popular 1979 Dodge B300 Differentials Categories

Most Popular Rear Differential Cover Gasket for 1979 Dodge B300s

Enhance your 1979 Dodge B300 with this popular Rear Differential Cover Gasket we have in stock, for $9.99.

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

Victor Reinz Differential Cover Gasket, 71-14868-00

from

$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.
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Best-Selling 1979 Dodge B300 Differential Oil

Upgrade your B300 with one of our 2 best-selling Differential Oil.

Yukon Gear – Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (Part No.15002)

Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.
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Yukon Gear – "Yukon Gear Redline Synthetic ""Shock Proof"" Oil – 4 Quarts, 15004" (Part No.15004)

"Yukon Gear Redline Synthetic ""Shock Proof"" Oil - 4 Quarts, 15004"

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Top-Quality Differential Pinion Seals for 1979 Dodge B300s

Choose a high-quality OEM or aftermarket Differential Pinion Seal for Dodge B300s and enjoy top-notch performance from $13.99.

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

Yukon Gear Replacement Pinion Seal for Dana 44HD, Dana 60 & Dana 70, 30208

from

$39.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Yukon Gear – "Yukon Gear Pinion Seal for 8.75"" Chrysler Or for 9.25"" Chrysler with 41 or 89 Housing, 30121" (Part No.30121)

"Yukon Gear Pinion Seal for 8.75"" Chrysler Or for 9.25"" Chrysler with 41 or 89 Housing, 30121"

from

$13.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Top Picks for 1979 Dodge B300 Differential Covers

Invest in one of our 5 durable Differential Covers for your 1979 Dodge, knowing you’re getting trusted brands and expert craftsmanship.

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

Yukon Gear Steel Cover for Dana 70, 32322

from

$149.99
These Yukon replacement diff covers are a direct bolt-on.
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Yukon Gear – Yukon Gear Chrome cover for Chrysler 9.25, 32001 (Part No.32001)

Yukon Gear Chrome cover for Chrysler 9.25, 32001

from

$73.99
These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.
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Yukon Gear – Yukon Gear Steel Cover for Dana 60 Standard Rotation, 32321 (Part No.32321)

Yukon Gear Steel Cover for Dana 60 Standard Rotation, 32321

from

$114.99
These Yukon replacement diff covers are a direct bolt-on.
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Yukon Gear – "Yukon Gear Steel Cover for Chrysler 9.25"" Rear, 32314" (Part No.32314)

"Yukon Gear Steel Cover for Chrysler 9.25"" Rear, 32314"

from

$93.99
These Yukon replacement diff covers are a direct bolt-on.
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Yukon Gear – Yukon Gear Standard Rotation Dana 60 Chrome Differential Cover, 32005 (Part No.32005)

Yukon Gear Standard Rotation Dana 60 Chrome Differential Cover, 32005

from

$89.99
Chrome replacement cover for Dana 60 and 61(not reverse rotation!).
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Top-Rated Differential Bearings for 1979 Dodge B300s

Make a smart move for your 1979 Dodge B300 with products all priced from $7.99 to $32.49.

National – National Multi-Purpose Bearing, A-18 (Part No.A-18)

National Multi-Purpose Bearing, A-18

from

$18.29
Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.
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National – National Taper Bearing Cup, 15245 (Part No.15245)

National Taper Bearing Cup, 15245

from

$9.99
Manufactured with premium-grade steel, National® taper bearing cups feature crowned raceways to ensure even load distribution.
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National – National Tapered Roller Bearing Cone, 28682 (Part No.28682)

National Tapered Roller Bearing Cone, 28682

from

$32.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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National – National Bearing Race, 382S (Part No.382S)

National Bearing Race, 382S

from

$23.29
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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National – National Bearing, JL69349 (Part No.JL69349)

National Bearing, JL69349

from

$16.79
Manufactured with premium-grade steel, National® taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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Driveworks – Driveworks Tapered Roller Bearing, S-HM-803110 (Part No.S-HM-803110)

Driveworks Tapered Roller Bearing, S-HM-803110

from

$13.49
Driveworks Tapered Roller Bearing, S-HM-803110.
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Schaeffler – Schaeffler Bearing – TRB (Tapered Roller Bearing), KT45 (Part No.KT45)

Schaeffler Bearing - TRB (Tapered Roller Bearing), KT45

from

$21.99
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.
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Schaeffler – Schaeffler Cup, 15245 (Part No.15245)

Schaeffler Cup, 15245

from

$7.99
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.
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Top-Rated Differential Brands For Your 1979 Dodge B300

When it comes to finding the perfect Differential for your 1979 Dodge B300, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 15 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 B300, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1979 Dodge B300 Differentials

If you’re looking for a top-quality Differential for your 1979 Dodge B300, 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 B300 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.
Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6014
from $17.99
(1)
Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6014
“OEM only uses silicone , the gasket set with a thin layer of silicone is a much better sealant method”

Top-Quality National 1979 Dodge B300 Differentials

For those in search of a high-quality Differential for their 1979 Dodge B300, Advance Auto Parts offers a great selection of National Differentials. With 2 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 $9.99, with an average price of $14.14, giving you a range of options to suit your budget. Backed by over 44 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.
National Taper Bearing Cup, 15245
from $9.99
(8)
National Taper Bearing Cup, 15245
“It fits in Ford. I drove only few hundred miles can’t say much about it.”
National Multi-Purpose Bearing, A-18
from $18.29
(36)
National Multi-Purpose Bearing, A-18
“High quality.”

FAQs for 1979 Dodge B300 Differentials

What are the best-selling Differentials for 1979 Dodge B300s?

Out of 247 Differentials that fit 1979 Dodge B300s, the following parts are the top sellers:

What’s the price range for 1979 Dodge B300 Differentials?

The prices of Differentials for the 1979 Dodge B300 range from $1.25 up to $1,487.99 for the most premium parts.

What is the average price of a Differential for a 1979 Dodge B300?

The average price for Differentials for the 1979 Dodge B300 is $288.90. 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 B300 model years?

Yes, we carry Differentials for 4 model years of Dodge B300s 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 B300?

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 types of Differentials do you sell for my 1979 Dodge B300?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1979 Dodge B300:

Can I get help with 1979 Dodge B300 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 B300 Differentials?

Advance Auto Parts keeps returns simple. For new Dodge B300 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.