1979 Dodge W300 Differentials

Keep Your 1979 Dodge W300 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 W300 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Covers, Differential Oil, 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, 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 39 reviews and a solid 4 star average, you can shop with confidence knowing other Dodge W300 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1979 Dodge W300 Differential at Advance Auto Parts is around $273.77, with a range that starts at $2.29 and goes up to $1,487.99. With 265 options in stock from 15 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 Bearing Race 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 4WD Components and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1979 Dodge W300 in peak condition, inside and out.

Essential 1979 Dodge W300 Differentials

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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Powertrax – No-Slip Traction System (Part No.9203923105)

No-Slip Traction System

from

$557.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
  • See More

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

    Pinion Seal For 8.75" Chrysler Or For 9.25" Chrysler With 41 Or 89 Housing

    from

    $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″
    See More

    Yukon Gear – Replacement Trail Repair Kit For Dana 60 With 1310 Size U/Joint And U-Bolts (Part No.32282)

    Replacement Trail Repair Kit For Dana 60 With 1310 Size U/Joint And U-Bolts

    from

    $251.99
    Yukon replacement trail repair kit for Dana 60 with 1310 size U/joint and u-bolts. This kit comes with a yoke, U/joint, pinion seal, U/bolt or strap kit, pinion nut, and pinion nut washer (if applicable).

    Product Features:
    • Fits Dana Spicer 60 and 70
    • 1310 u-joint size
    • Kit includes yoke, U-joint, pinion seal, pinion nut and washer, U-bolts and threadlocker
    See More

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

    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

    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.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    See More

    National – Tapered Roller Bearing Cone (Part No.HM803146)

    Tapered Roller Bearing Cone

    from

    $38.49
    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
    See More

    Yukon Gear – Zip Locker For Dana 60 With 35 Spline Axles, 4.56 & Up (Part No.34024)

    Zip Locker For Dana 60 With 35 Spline Axles, 4.56 & Up

    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.

    Product Features:
    • Fits Dana Spicer 60 with 35 spline axles
    • 4.56 and up ratio only
    • Forged case and 8620 internals for added strength
    • Works with a variety of air delivery systems
    • Assembled in the USA
    See More

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

    Differential Plug, Rubber

    from

    $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
    See More

    Yukon Gear – Zip Locker Bulkhead Fitting Kit (Part No.34000)

    Zip Locker Bulkhead Fitting Kit

    from

    $36.99
    Product Features:
    • Bulkhead fitting kit
    • Includes bulkhead fitting, outer fitting and o-ring
    See More

    USA Standard Gear – 4340 Chrome-Moly Replacement Inner Axle For GM & Dodge Dana 60 Front, 35 Spline (Part No.35123)

    4340 Chrome-Moly Replacement Inner Axle For GM & Dodge Dana 60 Front, 35 Spline

    from

    $299.99
    Product Features:
    • Fits Dana Spicer 60 front in 1979-1991 GM and 1979-1990 Dodge trucks
    • 4340 Chromoly
    • Left hand inner axle
    • 35 spline
    • 35.1″ from end of splines to center of u-joint bore
    See More

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

    Dana 60 & Dana 70 Power Lok Case Bolt

    from

    $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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    National – Bearing Race (Part No.HM88610)

    Bearing Race

    from

    $15.49
    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
    See More

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

    Differential Side Bearing Screw Adjuster For 9.25" Chrysler

    from

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

    Product Features:
    • Side adjuster for Chrysler 9.25″ rear
    See More

    Yukon Gear – Replacement Pinion Preload Shims For Dana 60, Dana 61 & Dana 70-U (Part No.55015)

    Replacement Pinion Preload Shims For Dana 60, Dana 61 & Dana 70-U

    from

    $19.99
    Product Features:
    • Pinion preload shims for Dana Spicer 60 and 70U
    See More

    FAG US – Repair Sleeve (Part No.SR3506)

    Repair Sleeve

    from

    $53.99
    The FAG repair sleeve is a precision element that provides additional sealing for damaged shafts. Made of heat-treated stainless steel, the FAG repair sleeve signifcantly increases the life of the shaft and prevents premature wear. Since no shaft removal or machining is required during the repair, the repair sleeve is a cost effective repair solution to protect damaged surfaces.

    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
    See More

    Yukon Gear – Replacement Carrier Shim Kit For Dana 60, 70, 70HD, 70U & 80 (Part No.55011)

    Replacement Carrier Shim Kit For Dana 60, 70, 70HD, 70U & 80

    from

    $13.99
    Product Features:
    • Carrier shim kit for Dana Spicer 60, 70, 70HD, 70U and 80
    See More

    Yukon Gear – Replacement Inner Slinger For Dana 60 (Part No.33014)

    Replacement Inner Slinger For Dana 60

    from

    $9.99
    Product Features:
    • Inner oil slinger for Dana Spicer 60
    See More

    Yukon Gear – Replacement Baffle For Dana 70 & 70HD (Part No.33003)

    Replacement Baffle For Dana 70 & 70HD

    from

    $7.99
    Product Features:
    • Oil baffle
    • Fits Dana Spicer 70 and 70HD
    See More

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

    Dana 44 JK / 60 / 70U Pinion Nut Washer Replacement

    from

    $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″
    See More

    Motive Gear – Differential Bearing Kit – Timken (Part No.R9.25RT)

    Differential Bearing Kit - Timken

    from

    $112.99
    Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

    Product Features:
    • KIT BRG & SEAL CHRYSLER 9.25″
    See More

    USA Standard Gear – Replacement Spider Gear Set For Dana 60, 35 Spline (Part No.39009)

    Replacement Spider Gear Set For Dana 60, 35 Spline

    from

    $198.99
    Product Features:
    • Spider gear kit
    • Fits Dana Spicer 60, 35 spline open differential
    • Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
    See More

    USA Standard Gear – Master Overhaul Kit for ’00 & Down Chrysler 9.25" Rear Differential. (Part No.37002)

    Master Overhaul Kit for '00 & Down Chrysler 9.25" Rear Differential.

    from

    $267.99
    USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.

    Product Features:
    • Fits 2000 and down Chrysler 9.25″ rear
    • Uses Koyo bearings and races
    • Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.
    See More

    Yukon Gear – Grizzly Locker For Dana 60, 4.56 & Up, 40 Spline (Part No.28025)

    Grizzly Locker For Dana 60, 4.56 & Up, 40 Spline

    from

    $1191.99
    The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! 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 40 spline axles
    • 4.56 and up ratio only
    • Patented internal design reduces common locker failures
    • 8620 internals for added strength
    • Assembled in the USA
    See More

    Yukon Gear – Pinion Install Kit For Dana 60 Rear Differential (Part No.13032)

    Pinion Install Kit For Dana 60 Rear Differential

    from

    $295.99
    Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

    Product Features:
    • Fits Dana Spicer 60 rear
    • Included are pinion bearings and races, pinion seal, crush sleeve , complete pinion shim kit, and marking compound with brush.
    See More

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

    Clutch Pack

    from

    $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.
    See More

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

    Hardcore Diff Cover For Dana 50, Dana 60 & Dana 70

    from

    $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
    See More

    Yukon Gear – Carrier Installation Kit For Dana 60 Differential (Part No.57005)

    Carrier Installation Kit For Dana 60 Differential

    from

    $194.99
    Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Dana 60 differential. This kit contains carrier bearings, races and shims.

    Product Features:
    • Fits Dana Spicer 60
    • Includes carrier bearings and races and carrier shim kit
    See More

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

    Differential Pinion Yoke Assembly

    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.

    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
    See More

    Popular 1979 Dodge W300 Differentials Categories

    Most Popular Differential Covers for 1979 Dodge W300s

    Enhance your 1979 Dodge W300 with one of the 6 Differential Covers we have in stock, starting at just $73.99.

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

    Chrome Cover For Chrysler 9.25"

    from

    $73.99
    Toyota wheel seal for ’80-’97 Full float Landcruiser outer rear, ’86-’95 dually pick-up.Yukon Mighty seal.

    Product Features:
    • Fits Chrysler 9.25″ rear
    • Chrome
    See More

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

    Steel Cover For Dana 60 Standard Rotation

    from

    $114.99
    Product Features:
    • Fits standard rotation Dana Spicer 60
    • Steel
    See More

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

    Hardcore Diff Cover For Dana 50, Dana 60 & Dana 70

    from

    $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
    See More

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

    Polished Aluminum Replacement Cover For Dana 60

    from

    $269.99
    Polished aluminum replacement cover for Dana 60 (standard rotation only).

    Product Features:
    • Fits standard rotation Dana Spicer 60
    • Finned polished aluminum
    See More

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

    Steel Cover For Chrysler 9.25" Rear

    from

    $93.99
    Product Features:
    • Fits Chrysler 9.25″ rear
    • Steel
    See More

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

    Chrome Replacement Cover For Dana 60 And 61 Standard Rotation

    from

    $89.99
    Chrome replacement cover for Dana 60 and 61(not reverse rotation!).

    Product Features:
    • Fits standard rotation Dana Spicer 60
    • Chrome
    See More

    Best-Selling 1979 Dodge W300 Differential Oil

    Upgrade your W300 with one of our 3 best-selling Differential Oil.

    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
    See More

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

    Redline Synthetic "Shock Proof" Oil - 3 Quarts

    from

    $99.99
    Redline Synthetic “Shock Proof” Oil. 3 Quarts.

    Product Features:
    • Includes three quarts of Redline Shockproof oil
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

    Redline Synthetic "Shock Proof" Oil - 4 Quarts

    from

    $137.99
    Redline Synthetic “Shock Proof” Oil. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil
    See More

    Top-Quality Rear Differential Cover Gaskets for 1979 Dodge W300s

    Choose a high-quality OEM or aftermarket Rear Differential Cover Gasket for Dodge W300s and enjoy top-notch performance from $9.99.

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

    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

    from

    $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
    See More

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

    9.25" Chrysler Rear Cover Gasket

    from

    $12.99
    9.25″ Chrysler rear cover gasket.

    Product Features:
    • Cover gasket
    • Fits Chrysler 9.25″ rear
    See More

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

    Differential Cover Gasket

    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.

    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.
    See More

    Top Picks for 1979 Dodge W300 Differential Pinion Seals

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

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

    Multi-Purpose Seal

    from

    $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
    See More

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

    Differential Pinion Seal

    from

    $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.
    See More

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

    Replacement Pinion Seal For Dana 44HD, Dana 60 & Dana 70

    from

    $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
    See More

    FAG US – Shaft Seal (Part No.SS3284)

    Shaft Seal

    from

    $26.49
    Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

    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
    See More

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

    Pinion Seal For 8.75" Chrysler Or For 9.25" Chrysler With 41 Or 89 Housing

    from

    $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″
    See More

    Top-Rated Differential Bearings for 1979 Dodge W300s

    Make a smart move for your 1979 Dodge W300 with products all priced from $6.99 to $30.99.

    National – Bearing Race (Part No.382A)

    Bearing Race

    from

    $10.99
    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
    See More

    National – Bearing Race (Part No.28622)

    Bearing Race

    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
    See More

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

    Tapered Roller Bearing Cone

    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
    See More

    National – Bearing Race (Part No.382S)

    Bearing Race

    from

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

    9.25" Chrysler, Dana 60 Semi-Float X/P Bolt, 80 & Up, 5/16" Head, Tapered Shoulder

    from

    $9.99
    Product Features:
    • Cross pin bolt for Dana Spicer 60 with c-clip axles
    See More

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

    Cross Pin Bolt

    from

    $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
    See More

    Top-Rated Differential Brands For Your 1979 Dodge W300

    When it comes to finding the perfect Differential for your 1979 Dodge W300, 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 W300, providing peace of mind with parts that meet or exceed OEM standards.

    Popular FELPRO 1979 Dodge W300 Differentials

    If you’re looking for a top-quality Differential for your 1979 Dodge W300, 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 W300 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.
    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket
    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 W300 Differentials

    For those in search of a high-quality Differential for their 1979 Dodge W300, Advance Auto Parts offers a great selection of National Differentials. With 3 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 $10.99, with an average price of $23.49, giving you a range of options to suit your budget. Backed by over 8 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.
    Shaft Repair Sleeve
    from $41.99
    (1)
    Shaft Repair Sleeve
    “Came with installation tool and instructions. Easy to install. Found that rather than beating the sleeve on the entire way, once started on, clamp in”
    Bearing Race
    from $10.99
    (6)
    Bearing Race
    “Fit perfectly. No difficulty replacing my old ones.”
    Bearing Race
    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 W300 Differentials

    What are the best-selling Differentials for 1979 Dodge W300s?

    Out of 265 Differentials that fit 1979 Dodge W300s, the following parts are the top sellers:

    What’s the price range for 1979 Dodge W300 Differentials?

    The prices of Differentials for the 1979 Dodge W300 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 W300?

    The average price for Differentials for the 1979 Dodge W300 is $273.77. 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 W300 model years?

    Yes, we carry Differentials for 4 model years of Dodge W300s 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 W300?

    The cheapest 1979 Dodge W300 Differentials we carry are:

    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 W300?

    The one 1979 Dodge W300 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 W300?

    As of 11/2/25, these are some of the most in-demand types of Differentials for a 1979 Dodge W300:

    Can I get help with 1979 Dodge W300 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 W300 Differentials?

    Advance Auto Parts keeps returns simple. For new Dodge W300 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.