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, Differential Bearings, 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 Felpro, National, and Valvoline. For example, Felpro Differentials start at just $7.49 with an average 4.6 star rating. National and Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 3,968 reviews and a solid 4 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 $259.14, with a range that starts at $2.29 and goes up to $1,566.99. With 319 options in stock from 15 trusted brands, finding the right fit is easy. Popular picks like Taper Bearing Cone, Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket, and 3 Qt – 80W90 Conventional Gear Oil With Posi Additive start at just $8.29 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 – 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
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Yukon Gear – Chrysler 8.75" (Coarse Spline) Pinion Nut (Part No.33137)

Chrysler 8.75" (Coarse Spline) Pinion Nut

from

$5.99
Chrysler 8.75″ (coarse spline) pinion nut. 3/4″ x 16.

Product Features:
  • Pinion nut
  • Fits Chrysler 8.75″ with 10 spline pinion
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Yukon Gear – Seal Housing For Dana 60, Zip Locker, With O-Rings (Part No.34039)

Seal Housing For Dana 60, Zip Locker, With O-Rings

from

$79.99
Seal housing for Dana 60, Zip locker, with o-rings.

Product Features:
  • Seal housing for Dana Spicer 60
  • Includes o-rings
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Yukon Gear – Dana 60, Dana 70 & Dana 80 Cover Bolt (Part No.33235)

Dana 60, Dana 70 & Dana 80 Cover Bolt

from

$5.99
3/8″ cover bolt, Dana 60, Dana 70 & Dana 80.

Product Features:
  • Cover bolt for Dana Spicer 60, 70 and 80
  • 3/8″
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Yukon Gear – Pinion Install Kit For Chrysler 8.75" (#42) Differential (Part No.13006)

Pinion Install Kit For Chrysler 8.75" (#42) Differential

from

$359.99
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 Chrysler 8.75″ ’42’ case
  • Included are pinion bearings and races, pinion seal, pinion nut, complete pinion shim kit, and marking compound with brush.
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Yukon Gear – High Performance Replacement Ring & Pinion Gear Set For Dana 60 In A 5.38 Ratio (Part No.24064)

High Performance Replacement Ring & Pinion Gear Set For Dana 60 In A 5.38 Ratio

from

$456.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:
  • Fits standard rotation Dana Spicer 60
  • 9.75″ ring gear diameter
  • 29 spline pinion
  • 12 ring gear bolts
  • 5.38 ratio
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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
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Yukon Gear – Master Overhaul Kit For Chrysler 8.75" #42 Housing With 25520/90 Differential Bearings (Part No.14010)

Master Overhaul Kit For Chrysler 8.75" #42 Housing With 25520/90 Differential Bearings

from

$474.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & 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 Timken bearings and races along with high quality seals and small parts. Included in this kit 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), Thread locking compound, marking compound with brush, and gasket. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application.

Product Features:
  • Fits Chrysler 8.75″ ’42’ case with 25520 carrier races
  • Included are Timken bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, thread locker, marking compound with brush, and gasket.
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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
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Yukon Gear – Replacement Clutch Set For Dana 44 Powr Lok, Aggressive (Part No.16151)

Replacement Clutch Set For Dana 44 Powr Lok, Aggressive

from

$232.99
Product Features:
  • Clutch kit
  • Fits Dana Spicer 44 and Chrysler 8.75″ Powr Lok
  • Aggressive design
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Yukon Gear – 1541H Alloy Rear Axle For Chrysler 8.75" (Part No.21408)

1541H Alloy Rear Axle For Chrysler 8.75"

from

$284.99
Yukon 1541H alloy cut to fit rear axle for Chrysler 8.75″ measuring 28″-32″ with 30 splines and 5×4.5 bolt pattern. for use with A, C & E-Body. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. Must use Green bearing.

Product Features:
  • Fits Chrysler 8.75″
  • 30 spline
  • Cut to length design fits 28″-32″ applcations
  • 5 x 4.5″ bolt pattern
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Mr. Gasket – Differential Gasket (Part No.81)

Differential Gasket

from

$22.79
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.

Product Features:
  • .047″ thick cellulose/nitrile composite gasket material
  • Precision die cut
  • Reusable
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Motive Gear – Differential Pinion Shim Kit (Part No.1102)

Differential Pinion Shim Kit

from

$9.99


Product Features:
  • KIT SHIM PINION
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National – Bearing Race (Part No.M86610)

Bearing Race

from

$9.99
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
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Yukon Gear – Bolt/Screw For Adjuster Lock For Chrysler 7.25", 8.25", 8.75", 9.25" (Part No.33233)

Bolt/Screw For Adjuster Lock For Chrysler 7.25", 8.25", 8.75", 9.25"

from

$15.99
Bolt/screw for adjuster lock for Chrysler 7.25″, 8.25″, 8.75″, 9.25″.

Product Features:
  • Side adjuster lock bolt
  • Fits Chrysler 7.25″, 8.25″, 8.75″ and 9.25″
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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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Yukon Gear – Standard Open Spider Gear Kit For ’96 And Older 8.25" Chrysler With 27 Spline Axles (Part No.16002)

Standard Open Spider Gear Kit For '96 And Older 8.25" Chrysler With 27 Spline Axles

from

$301.99
Yukon standard open spider gear kit for ’96 and older 8.25″ Chrysler with 27 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fit Chrysler 8.25″ open differntial with 27 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Yukon Gear – Replacement Carrier Shim Kit For Dana 60, 61 & 70U (Part No.55020)

Replacement Carrier Shim Kit For Dana 60, 61 & 70U

from

$104.99
Product Features:
  • Carrier shims for Dana Spicer 60 and 70U
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Yukon Gear – Redi-Sleeve Yoke Saver For 8.75" C, 9.25" C, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD (Part No.30228)

Redi-Sleeve Yoke Saver For 8.75" C, 9.25" C, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD

from

$37.99
Replacement redi-sleeve yoke saver for 8.75″ c, 9.25″ c, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD .Yukon Mighty seal.

Product Features:
  • Redi-Sleeve yoke saver
  • Fits Chrysler 8.75″ and 9.25″ rear, Dana Spicer 60, 70, 70U and 70HD
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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
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Powertrax – Grip PRO Traction System (Part No.GT436035)

Grip PRO Traction System

from

$596.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
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Yukon Gear – Zip Locker For Dana 60 With 30 Spline Axles, 4.10 & Down (Part No.34021)

Zip Locker For Dana 60 With 30 Spline Axles, 4.10 & Down

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 30 spline axles
  • 4.10 and down ratio only
  • Forged case and 8620 internals for added strength
  • Works with a variety of air delivery systems
  • Assembled in the USA
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Yukon Gear – Set Up Bearing (Part No.56039)

Set Up Bearing

from

$276.99
Set-up carrier bearing kit (2 bearings, no races) for Dana 60 and 70. 387A. No return.

Product Features:
  • Set up bearing kit
  • Fits Dana Spicer 60
  • Easily slips on and off carrier journals to allow for easier carrier shim adjustment
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Yukon Gear – Minor Install Kit For Dana 60 And 61 Differential (Part No.12026)

Minor Install Kit For Dana 60 And 61 Differential

from

$151.99
Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), complete shim kit, marking compound and brush.

Product Features:
  • Fits Dana Spicer 60 rear
  • Included are a pinion seal, crush sleeve , complete shim kit, marking compound and brush.
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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″
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Yukon Gear – Zip Locker Rear Switch Cover (Part No.34010)

Zip Locker Rear Switch Cover

from

$7.99
ZIP locker rear switch cover.

Product Features:
  • Cover for switch
  • Rear
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Yukon Gear – Side Gear Thrust Washer For Dana 60, 70 & 80 (Part No.33532)

Side Gear Thrust Washer For Dana 60, 70 & 80

from

$4.99
Product Features:
  • Side gear thrust washer for Dana Spicer 60, 70, 70U, 70HD and 80
  • Fits standard open differentials only
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Yukon Gear – Model 35 (Standard Open & Tracloc) 8.25" Chrysler Tracloc Cross Pin Bolt (Part No.33230)

Model 35 (Standard Open & Tracloc) 8.25" Chrysler Tracloc Cross Pin Bolt

from

$13.99
Model 35 (standard Open & TracLoc) 8.25″ Chrysler TracLoc cross pin bolt.

Product Features:
  • Cross pin bolt for AMC Model 35 with c-clip axles
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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 5 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
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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
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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 – 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
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Best-Selling 1973 Plymouth Roadrunner Differential Bearings

Upgrade your Roadrunner with one of our 3 best-selling Differential Bearings, earning an average 3.75 stars rating across 6 reviews.

Driveworks – Taper Bearing Cone (Part No.S-LM-104949)

Taper Bearing Cone

from

$11.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Driveworks – Taper Bearing Cone (Part No.S-LM-102949)

Taper Bearing Cone

from

$15.49
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT36)

Bearing - TRB (Tapered Roller Bearing)

from

$34.49
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
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Top-Quality Rear Differential Cover Gaskets for 1973 Plymouth Roadrunners

Choose a high-quality OEM or aftermarket Rear Differential Cover Gasket for Plymouth Roadrunners and enjoy top-notch performance from $8.29.

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

Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket

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.

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

8.75" Chrysler Gasket

from

$12.99
8.75″ Chrysler gasket.

Product Features:
  • Dropout gasket
  • Fits Chrysler 8.75″
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Mr. Gasket – Differential Gasket (Part No.81)

Differential Gasket

from

$22.79
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.

Product Features:
  • .047″ thick cellulose/nitrile composite gasket material
  • Precision die cut
  • Reusable
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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
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Top Picks for 1973 Plymouth Roadrunner Differential Oil

Invest in one of our 6 durable Differential Oil for your 1973 Plymouth, knowing you’re getting trusted brands and expert craftsmanship.

Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

from

$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

Product Features:
  • Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

3 Qt - 80W90 Conventional Gear Oil With Posi Additive

from

$57.99
3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:
  • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
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Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:
  • Includes three quarts of conventional oil
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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
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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
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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
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Our Differential Axle Shafts for 1973 Plymouth Roadrunners

Make a smart move for your 1973 Plymouth Roadrunner with our Differential Axle Shaft for $649.99.

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

Axle Kit For Chrysler 8.75"

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.

Product Features:
  • 30 spline
  • 5 x 4.5″ bolt pattern
  • Cut to length design fits 28″-32″ applications
  • Axle kit
  • Includes two axles, two green bearings and 10 axle studs
See More

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 Valvoline, Felpro, and National, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $7.49. 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 Valvoline 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 Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $35.99, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1973 Plymouth Roadrunner come highly rated, with over 446 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
from $35.99
(446)
MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
“Good quality great price”

Top-Quality Felpro 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 Felpro Differentials. With 2 Felpro 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 $7.49, with an average price of $7.89, giving you a range of options to suit your budget. Backed by over 22 customer ratings and an average rating of 4.6 stars, Felpro Differentials provide both reliability and excellent performance. Choosing a Felpro Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket
from $8.29
(21)
Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket
“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 ”
Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket
from $7.49
(1)
Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket
“It just what i needed for my 74 cuda rear end house which is 8 3/4”

FAQs for 1973 Plymouth Roadrunner Differentials

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

Out of 319 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 $2.29 up to $1,566.99 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 $259.14. 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?

The cheapest 1973 Plymouth Roadrunner Differentials we carry are:

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 3/1/26, 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.