1973 Plymouth Roadrunner Differentials

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Keep Your 1973 Plymouth Roadrunner in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1973 Plymouth Roadrunner looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Covers, Rear Differential Cover Gaskets, and Differential Carrier Bearing Set. 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 National, Motive Gear, and Felpro. For example, National Differentials start at just $14.99 with an average 4.3 star rating. Motive Gear and Felpro offer similar pricing and quality, backed by strong customer feedback. With over 344 reviews and a solid 3.9 star average, you can shop with confidence knowing other Plymouth Roadrunner owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1973 Plymouth Roadrunner Differential at Advance Auto Parts is around $253.27, with a range that starts at $1.25 and goes up to $1,487.99. With 303 options in stock from 15 trusted brands, finding the right fit is easy. Popular picks like Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002, Motive Gear Ring Gear Bolt, 14066913, and National Tapered Roller Bearing Cone, LM104949 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 1973 Plymouth Roadrunner in peak condition, inside and out.

Essential 1973 Plymouth Roadrunner Differentials

Yukon Gear – "Yukon Gear Chrysler 8.75"" (Coarse Spline) Pinion Nut Washer, 33162" (Part No.33162)

"Yukon Gear Chrysler 8.75"" (Coarse Spline) Pinion Nut Washer, 33162"

from

$9.99
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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Spicer – Spicer Differential End Yoke, 3-4-11891-1X (Part No.3-4-11891-1X)

Spicer Differential End Yoke, 3-4-11891-1X

from

$159.99
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 Differential, 26039 (Part No.26039)

Yukon Gear Differential, 26039

from

$869.99
Yukon Gear Differential, 26039. EXTERNAL SUPPLY>FDO>BACK ROOM-FDO>APPLICATION SPECIFIC from Yukon Gear
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Yukon Gear – "Yukon Gear Differential Carrier Side Bearing Screw Adjuster for Chrysler 7.25"" and 8.25"", 33257" (Part No.33257)

"Yukon Gear Differential Carrier Side Bearing Screw Adjuster for Chrysler 7.25"" and 8.25"", 33257"

from

$42.99
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 Power Lok Drive Belleville Plate for Dana 44, 16171 (Part No.16171)

Yukon Gear Power Lok Drive Belleville Plate for Dana 44, 16171

from

$41.99
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 other general maintenance items. You can count on Yukon to fulfill all your differential small parts needs.
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Driveworks – Driveworks Taper Bearing Set, S-A-17 (Part No.S-A-17)

Driveworks Taper Bearing Set, S-A-17

from

$12.49
Value-priced bearing meets all cataloged application requirements.
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Yukon Gear – Yukon Gear Replacement Carrier Shim Kit for Dana 60, 61 & 70U, 55020 (Part No.55020)

Yukon Gear Replacement Carrier Shim Kit for Dana 60, 61 & 70U, 55020

from

$104.99
Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.
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Yukon Gear – Yukon Gear Replacement Positraction Internals for Dana 60 and 70 with 35 Spline Axles, 16008 (Part No.16008)

Yukon Gear Replacement Positraction Internals for Dana 60 and 70 with 35 Spline Axles, 16008

from

$832.99
Yukon Gear & Axle spider gear kits feature higher quality materials and better manufacturing techniques than OEM to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.
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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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Yukon Gear – Yukon Gear Carrier Installation Kit for Dana 60 Differential, 57005 (Part No.57005)

Yukon Gear Carrier Installation Kit for Dana 60 Differential, 57005

from

$194.99
Yukon Carrier Installation Kits are a convenient and low-cost solution for carrier changes in cases where one is upgrading to a positraction limited slip differential, a mechanical locker, or an air operated locker. These kits contain carrier bearings and races and a carrier shim kit.
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Yukon Gear – "Yukon Gear Minor Install Kit for Chrysler 89 8.75"" Differential, 12007" (Part No.12007)

"Yukon Gear Minor Install Kit for Chrysler 89 8.75"" Differential, 12007"

from

$111.99
Yukon Minimum Installation Kits are a low-cost solution for ring and pinion gear changes in newer vehicles where the bearings can be reused. Kits include all high-quality components for a smooth differential set up.
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Motive Gear – Motive Gear Differential Ring and Pinion, D60-354 (Part No.D60-354)

Motive Gear Differential Ring and Pinion, D60-354

from

$275.99
Motive Gear Differential Ring and Pinion, D60-354.
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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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USA Standard Gear – USA Standard Gear Spartan Locker For Dana 60 Differential With 35 Spline Axles, Includes Heavy-Duty Cross Pin Shaft, 17004 (Part No.17004)

USA Standard Gear Spartan Locker For Dana 60 Differential With 35 Spline Axles, Includes Heavy-Duty Cross Pin Shaft, 17004

from

$829.99
The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.
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Victor Reinz – Victor Reinz Differential Cover Gasket, 71-14825-00 (Part No.71-14825-00)

Victor Reinz Differential Cover Gasket, 71-14825-00

from

$8.49
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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Yukon Gear – "Yukon Gear Axle Kit For Chrysler 8.75"", 21759" (Part No.21759)

"Yukon Gear Axle Kit For Chrysler 8.75"", 21759"

from

$649.99
“Yukon axle kit for Chrysler 8.75″”. This kit contains two green bearings, ten axle studs and two cut to length axles that fit A, B & E body cars, 5 x 4.5″” pattern.”
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Yukon Gear – "Yukon Gear Bearing Install Kit for Chrysler 8.75"" Two Pinion (#89) Differential, 11007" (Part No.11007)

"Yukon Gear Bearing Install Kit for Chrysler 8.75"" Two Pinion (#89) Differential, 11007"

from

$264.99
Yukon Bearing Installation Kits are perfect for shops and builders who have shims on the shelf and are looking to save cost over a Master Overhaul Kit. This kit uses Timken bearings and races along with all high-quality small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to properly install your ring and pinion gear set.
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Yukon Gear – "Yukon Gear Cross Pin Roll Pin, 8.75"" Chrysler/Ford 8"", 9""/Model 20, 35, .0.260"" diameter, 33334" (Part No.33334)

"Yukon Gear Cross Pin Roll Pin, 8.75"" Chrysler/Ford 8"", 9""/Model 20, 35, .0.260"" diameter, 33334"

from

$5.99
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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Motive Gear – Motive Gear Differential Crush Sleeve, 1118 (Part No.1118)

Motive Gear Differential Crush Sleeve, 1118

from

$6.99
Motive Gear Differential Crush Sleeve, 1118.
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Yukon Gear – Yukon Gear Set Up Bearing, 56046 (Part No.56046)

Yukon Gear Set Up Bearing, 56046

from

$153.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.
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Yukon Gear – "Yukon Gear Pinion Install Kit for Chrysler 9.25"" Differential, 13011" (Part No.13011)

"Yukon Gear Pinion Install Kit for Chrysler 9.25"" Differential, 13011"

from

$276.99
Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.
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Powertrax – Powertrax Differential Lock Assembly, 9203923105 (Part No.9203923105)

Powertrax Differential Lock Assembly, 9203923105

from

$557.99
For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.
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Yukon Gear – "Yukon Gear Replacement Redi-Sleeve Yoke Saver, 8.75"" C, 9.25"" C, Dana 60/61/70/70U/70HD, 30228" (Part No.30228)

"Yukon Gear Replacement Redi-Sleeve Yoke Saver, 8.75"" C, 9.25"" C, Dana 60/61/70/70U/70HD, 30228"

from

$37.99
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 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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Yukon Gear – "Yukon Gear Pinion Gear Thrust washer, D60/Standard Open/TracLoc /8.75"" Chrysler /D70 2PC, 33287" (Part No.33287)

"Yukon Gear Pinion Gear Thrust washer, D60/Standard Open/TracLoc /8.75"" Chrysler /D70 2PC, 33287"

from

$5.99
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 Positraction Spiders for Chrysler 9.25"" Dura Grip, 31 Spline, No Clutches, 16180" (Part No.16180)

"Yukon Gear Positraction Spiders for Chrysler 9.25"" Dura Grip, 31 Spline, No Clutches, 16180"

from

$389.99
Yukon Gear & Axle spider gear kits utilize the highest quality materials and best production techniques in the industry to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.
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National – National Multi-Purpose Seal, 5126 (Part No.5126)

National Multi-Purpose Seal, 5126

from

$19.29
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.
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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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Popular 1973 Plymouth Roadrunner Differentials Categories

Most Popular Differential Covers for 1973 Plymouth Roadrunners

Enhance your 1973 Plymouth Roadrunner with one of the 4 Differential Covers we have in stock, starting at just $73.99.

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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Best-Selling 1973 Plymouth Roadrunner Rear Differential Cover Gaskets

Upgrade your Roadrunner with one of our 4 best-selling Rear Differential Cover Gaskets, earning an average 5 stars rating across 1 reviews.

Felpro – Felpro Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket, RDS 6583 (Part No.RDS 6583)

Felpro Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket, RDS 6583

from

$7.49
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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Yukon Gear – "Yukon Gear 8.75"" Chrysler Gasket, 23001" (Part No.23001)

"Yukon Gear 8.75"" Chrysler Gasket, 23001"

from

$12.99
“8.75”” Chrysler gasket. EXTERNAL SUPPLY>FDO>BACK ROOM-FDO>APPLICATION SPECIFIC from Yukon Gear”
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Mr. Gasket – Mr. Gasket Differential Cover Gasket, 81 (Part No.81)

Mr. Gasket Differential Cover Gasket, 81

from

$23.69
Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit.
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Victor Reinz – Victor Reinz Differential Cover Gasket, 71-14825-00 (Part No.71-14825-00)

Victor Reinz Differential Cover Gasket, 71-14825-00

from

$8.49
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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Top-Quality Differential Carrier Bearing Set for 1973 Plymouth Roadrunners

Choose a high-quality OEM or aftermarket Differential Carrier Bearing Set for Plymouth Roadrunners and enjoy top-notch performance from $12.49.

Driveworks – Driveworks Taper Bearing Set, S-A-17 (Part No.S-A-17)

Driveworks Taper Bearing Set, S-A-17

from

$12.49
Value-priced bearing meets all cataloged application requirements.
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Top Picks for 1973 Plymouth Roadrunner Differential Oil

Invest in one of our 3 durable Differential Oil for your 1973 Plymouth, knowing you’re getting trusted brands and expert craftsmanship.

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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Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891

from

$35.99
Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it€™s designed to help prevent leaks, reduce wear and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.
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Top-Rated Rear Housing Cover Gaskets for 1973 Plymouth Roadrunners

Make a smart move for your 1973 Plymouth Roadrunner with products all priced from $7.49 to $8.29.

Felpro – Felpro Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket, RDS 55047 (Part No.RDS 55047)

Felpro Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket, RDS 55047

from

$8.29
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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Victor Reinz – Victor Reinz Axle Housing Cover Gasket, 71-14807-00 (Part No.71-14807-00)

Victor Reinz Axle Housing Cover Gasket, 71-14807-00

from

$7.49
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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Top-Rated Differential Brands For Your 1973 Plymouth Roadrunner

When it comes to finding the perfect Differential for your 1973 Plymouth Roadrunner, 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 Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $2.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1973 Plymouth Roadrunner, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1973 Plymouth Roadrunner Differentials

If you’re looking for a top-quality Differential for your 1973 Plymouth Roadrunner, Advance Auto Parts has exactly what you need with our selection of Felpro Differentials. We have 2 Felpro Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.49 and an average cost of $7.89, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1973 Plymouth Roadrunner come highly rated, with over 22 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: Oval Shaped 10 Bolt Hole Gasket, RDS 55047
from $8.29
(21)
Felpro Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket, RDS 55047
“I always use Fel-Pro gaskets they’re the best, but this gasket to replace the differential gasket on my son’s Jeep when I did a fluid change work and ”
Felpro Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket, RDS 6583
from $7.49
(1)
Felpro Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket, RDS 6583
“It just what i needed for my 74 cuda rear end house which is 8 3/4”

Top-Quality National 1973 Plymouth Roadrunner Differentials

For those in search of a high-quality Differential for their 1973 Plymouth Roadrunner, 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 $14.99, with an average price of $19.52, giving you a range of options to suit your budget. Backed by over 5 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 Bearing Race, LM104912
from $14.99
(1)
National Bearing Race, LM104912
“As always, these bearings did the job and last forever. Just happy I found them in stock.”
National Tapered Roller Bearing Cone, LM104949
from $24.29
(3)
National Tapered Roller Bearing Cone, LM104949
“Needed an inner bearing when doing brakes on an old hunting truck.I prefer quality parts over those made in other countries and the price difference w”
National Multi-Purpose Seal, 5126
from $19.29
(1)
National Multi-Purpose Seal, 5126
“Perfect fit and in stock for a 50 year old vehicle. Thanks Advance Auto Parts”

FAQs for 1973 Plymouth Roadrunner Differentials

What are the best-selling Differentials for 1973 Plymouth Roadrunners?

Out of 303 Differentials that fit 1973 Plymouth Roadrunners, the following parts are the top sellers:

What’s the price range for 1973 Plymouth Roadrunner Differentials?

The prices of Differentials for the 1973 Plymouth Roadrunner range from $1.25 up to $1,487.99 for the most premium parts.

What is the average price of a Differential for a 1973 Plymouth Roadrunner?

The average price for Differentials for the 1973 Plymouth Roadrunner is $253.27. 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 Plymouth Roadrunner model years?

Yes, we carry Differentials for 6 model years of Plymouth Roadrunners between 1968 and 1975. The following model years are the most popular for Differential purchases: 1975, 1974, 1972, 1971, 1970, 1969, and 1968.

What are the cheapest Differentials for my 1973 Plymouth Roadrunner?

Does Advance Auto Parts sell Differentials for any other 1973 Plymouth models?

Yes. We stock Differentials for 10 other popular 1973 Plymouth models. Some of the most popular are 1973 Gran Fury Differentials, 1973 Barracuda Differentials, 1973 Cricket Differentials, 1973 Fury Differentials, and 1973 Duster Differentials.

What types of Differentials do you sell for my 1973 Plymouth Roadrunner?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1973 Plymouth Roadrunner:

Can I get help with 1973 Plymouth Roadrunner Differential orders?

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

What is your return policy for Plymouth Roadrunner Differentials?

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