1968 Plymouth Roadrunner Differentials

Keep Your 1968 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 1968 Plymouth Roadrunner looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Rear Housing Cover Gaskets, 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 National, Motive Gear, and DriveWorks. For example, National Differentials start at just $7.99 with an average 4.3 star rating. Motive Gear and DriveWorks offer similar pricing and quality, backed by strong customer feedback. With over 330 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 1968 Plymouth Roadrunner Differential at Advance Auto Parts is around $259.60, with a range that starts at $3.99 and goes up to $1,487.99. With 317 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like Tapered Cone/Cup Wheel Bearing Set, Dana 60, Dana 70 & Dana 80 Cover Bolt, and Taper Bearing Cone start at just $5.99 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 1968 Plymouth Roadrunner in peak condition, inside and out.

Essential 1968 Plymouth Roadrunner Differentials

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.HM88542)

Tapered Roller Bearing Cone

from

$23.49
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 – 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″
See More

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 – Replacement Cover Gasket For Dana 50, Dana 60 & Dana 70 (Part No.23007)

Replacement Cover Gasket For Dana 50, Dana 60 & Dana 70

from

$13.99
Product Features:
  • Cover gasket
  • Fits Dana Spicer 60, 70, 70U and 70HD
See More

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

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

Differential Gear Install Kit

from

$63.99


Product Features:
  • INSTLTN KIT-DANA 60 & 61
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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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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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USA Standard Gear – 8.75" Chrysler 89 Drop Out Case, Up To 500 Hp, Nodular Iron (Part No.59001)

8.75" Chrysler 89 Drop Out Case, Up To 500 Hp, Nodular Iron

from

$474.99
Product Features:
  • Dropout housing
  • Fits Chrylser 8.75″
  • ’89’ case design
  • Nodular iron for added strength
See More

Yukon Gear – Replacement Outer Oil Slinger For Dana 60, 70, 70U & 70HD (Part No.33019)

Replacement Outer Oil Slinger For Dana 60, 70, 70U & 70HD

from

$5.99
Product Features:
  • Outer oil slinger for Dana Spicer 60, 70, 70U and 70HD
See More

Yukon Gear – Pinion Install Kit For Chrysler 9.25" Differential (Part No.13011)

Pinion Install Kit For Chrysler 9.25" Differential

from

$276.99
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, 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 9.25″ rear
  • Included are pinion bearings and races, pinion seal, crush sleeve , complete pinion shim kit, and marking compound with brush.
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Motive Gear – Differential Ring and Pinion (Part No.D60-354)

Differential Ring and Pinion

from

$275.99


Product Features:
  • DANA-60 R/P 3.54 STD MG 24813-5X (USES PRE-LOAD SHIMS)
See More

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

Chrysler 9.25" And Dana 44 / 60 Tracloc Clutch Guide Replacement

from

$8.99
Product Features:
  • Clutch guide for Chrysler 9.25″, Dana Spicer 44 and Dana Spicer 60
  • For Trac Loc positraction applications only
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Yukon Gear – High Performance Ring & Pinion Gear Set For ’09 & Down Chrysler 9.25" In A 3.90 Ratio (Part No.24014)

High Performance Ring & Pinion Gear Set For '09 & Down Chrysler 9.25" In A 3.90 Ratio

from

$539.99
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 has an updated, proprietary, design that provides longer life and higher durability than the competition. 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. We reccomend an OEM gear for van applications. This gear set is for ’09 and older applications only.

Product Features:
  • Fits 2010 and down Chrysler 9.25″ rear
  • 9.25″ ring gear diameter
  • 29 spline pinion
  • 12 ring gear bolts
  • 3.90 ratio
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Motive Gear – Drive Shaft Pinion Yoke (Part No.MG1350-8759)

Drive Shaft Pinion Yoke

from

$254.99


Product Features:
  • BILLET HP 1350-29 SPLINE YOKE
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USA Standard Gear – Chrysler 8.25" Spartan Locker Cross Pin Shaft (Part No.17035)

Chrysler 8.25" Spartan Locker Cross Pin Shaft

from

$49.99
Product Features:
  • USA Standard Gear heavy-duty cross pin shaft
  • Fits Chrylser 8.25″ with 27 and 29 spline axles
  • Works with Spartan Locker or standard open spider gears
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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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Yukon Gear – Differential (Part No.26037)

Differential

from

$854.99
Differential

Yukon Gear – Crush Sleeve Eliminator Kit For GM 8.5" & Chrysler 9.25" (Part No.55048)

Crush Sleeve Eliminator Kit For GM 8.5" & Chrysler 9.25"

from

$57.99
Product Features:
  • Crush sleeve eliminator kit for GM 8.5″, 8.6″ and Chrysler 9.25″ rear
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Yukon Gear – Ring Gear Bolt For Chrysler 9.25" Rear (Part No.33033)

Ring Gear Bolt For Chrysler 9.25" Rear

from

$9.99
Ring gear bolt for Chrysler 9.25″ rear, 7/16″ x 18.

Product Features:
  • Ring gear bolt for Chrysler 9.25″ rear
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USA Standard Gear – Steel Spool For Dana 60 With 35 Spline Axles, 4.56 & Up (Part No.59018)

Steel Spool For Dana 60 With 35 Spline Axles, 4.56 & Up

from

$369.99
Product Features:
  • Fits Chrysler Dana Spicer 60 with 35 spline axles
  • 4.56 and up ratio only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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Richmond Gear – RngPnnInstlKt (Part No.83-1041-M)

RngPnnInstlKt

from

$224.99
RngPnnInstlKt

Yukon Gear – Rubber Fill Plug For Chrysler (Part No.33463)

Rubber Fill Plug For Chrysler

from

$22.99
Product Features:
  • Rubber fill plug
  • Fits Chrysler 7.25″, 8.25″ and 9.25″
See More

Yukon Gear – Replacement Standard Carrier Case For Dana Spicer 60, 4.10 And Down (Part No.20030)

Replacement Standard Carrier Case For Dana Spicer 60, 4.10 And Down

from

$299.99
Product Features:
  • Fits Dana Spicer 60
  • 4.10 ratio and down only
  • Fits standard open differentials only
See More

Yukon Gear – Bearing Race Driver (Part No.56014)

Bearing Race Driver

from

$215.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits HM88510 race
  • All steel construction
See More

USA Standard Gear – Open Spider Gear Set For Chrysler 8.25", 27 Spline (Part No.39002)

Open Spider Gear Set For Chrysler 8.25", 27 Spline

from

$209.99
USA Standard Gear open spider gear set for Chrysler 8.25″, 27 spline .

Product Features:
  • Spider gear kit
  • Fits Chrysler 8.25″ 27 spline open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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National – Bearing Race (Part No.LM67010)

Bearing Race

from

$4.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

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

Popular 1968 Plymouth Roadrunner Differentials Categories

Most Popular Differential Bearings for 1968 Plymouth Roadrunners

Enhance your 1968 Plymouth Roadrunner with one of the 11 Differential Bearings we have in stock, starting at just $4.49.

National – Bearing Race (Part No.LM104912)

Bearing Race

from

$14.29
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

Driveworks – Tapered Cone/Cup Wheel Bearing Set (Part No.S-A-35)

Tapered Cone/Cup Wheel Bearing Set

from

$26.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Tapered Roller Bearing Cone (Part No.LM104949)

Tapered Roller Bearing Cone

from

$21.99
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

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
See More

National – Bearing Race (Part No.LM67010)

Bearing Race

from

$4.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

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.LM501310)

Bearing Race

from

$8.49
Product Features:
  • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION: Crowned raceways for even load distribution
  • OE-STYLE DESIGN: Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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
See More

FAG US – Cone (Part No.KM86649)

Cone

from

$24.29
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
See More

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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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
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Best-Selling 1968 Plymouth Roadrunner Rear Housing Cover Gasket

Upgrade your Roadrunner with our best-selling Rear Housing Cover Gasket.

Felpro – Axle Housing Cover Gasket Irregular Shaped 9 Bolt Hole Gasket (Part No.RDS 12775)

Axle Housing Cover Gasket Irregular Shaped 9 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
See More

Top-Quality Rear Differential Cover Gaskets for 1968 Plymouth Roadrunners

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

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″
See More

Yukon Gear – 8.25" Chrysler Cover Gasket (Part No.23000)

8.25" Chrysler Cover Gasket

from

$12.99
8.25″ Chrysler cover gasket.

Product Features:
  • Cover gasket
  • Fits Chrysler 8.25″
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.
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Top Picks for 1968 Plymouth Roadrunner Differential Covers

Invest in one of our 5 durable Differential Covers for your 1968 Plymouth, knowing you’re getting trusted brands and expert craftsmanship.

Yukon Gear – Steel Cover For Chrysler 8.25" (Part No.32312)

Steel Cover For Chrysler 8.25"

from

$159.99
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 t

Product Features:
  • Fits Chrysler 8.25″
  • Steel
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
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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

Differential Oil for 1968 Plymouth Roadrunners

Make a smart move for your 1968 Plymouth Roadrunner with products all priced from $99.99 to $148.99.

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-Rated Differential Brands For Your 1968 Plymouth Roadrunner

When it comes to finding the perfect Differential for your 1968 Plymouth Roadrunner, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 12 trusted brands. We carry the most popular Differential brands including National, DriveWorks, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.3 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 1968 Plymouth Roadrunner, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1968 Plymouth Roadrunner Differentials

If you’re looking for a top-quality Differential for your 1968 Plymouth Roadrunner, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 3 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.99 and an average cost of $20.42, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1968 Plymouth Roadrunner come highly rated, with over 7 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Bearing Race
from $7.99
(4)
Bearing Race
“Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”
Tapered Roller Bearing Cone
from $38.99
(2)
Tapered Roller Bearing Cone
“nice finish and function. Should perform well.”
Bearing Race
from $14.29
(1)
Bearing Race
“As always, these bearings did the job and last forever. Just happy I found them in stock.”

Top-Quality DriveWorks 1968 Plymouth Roadrunner Differentials

For those in search of a high-quality Differential for their 1968 Plymouth Roadrunner, Advance Auto Parts offers a great selection of DriveWorks Differentials. With 2 DriveWorks 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 $11.99, with an average price of $19.49, giving you a range of options to suit your budget. Backed by over 15 customer ratings and an average rating of 4.3 stars, DriveWorks Differentials provide both reliability and excellent performance. Choosing a DriveWorks Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Tapered Cone/Cup Wheel Bearing Set
from $26.99
(14)
Tapered Cone/Cup Wheel Bearing Set
“Advance Auto website when entering my 1989 Ford F150 doesn’t ask if it is 2 wheel or 4 wheel drive. So I had to return the first set”
Taper Bearing Cone
from $11.99
(1)
Taper Bearing Cone
“Part fit perfectly. Just have to see how long it lasts”

FAQs for 1968 Plymouth Roadrunner Differentials

What are the best-selling Differentials for 1968 Plymouth Roadrunners?

Out of 317 Differentials that fit 1968 Plymouth Roadrunners, the following parts are the top sellers:

What’s the price range for 1968 Plymouth Roadrunner Differentials?

The prices of Differentials for the 1968 Plymouth Roadrunner range from $3.99 up to $1,487.99 for the most premium parts.

What is the average price of a Differential for a 1968 Plymouth Roadrunner?

The average price for Differentials for the 1968 Plymouth Roadrunner is $259.60. 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 1969 and 1975. The following model years are the most popular for Differential purchases: 1975, 1974, 1973, 1972, 1971, 1970, and 1969.

What are the cheapest Differentials for my 1968 Plymouth Roadrunner?

The cheapest 1968 Plymouth Roadrunner Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1968 Plymouth models?

Yes. We stock Differentials for 7 other popular 1968 Plymouth models. Some of the most popular are 1968 Barracuda Differentials, 1968 Belvedere Differentials, 1968 GTX Differentials, 1968 Fury Differentials, and 1968 Fury III Differentials.

What are the top-rated Differentials that fit the 1968 Plymouth Roadrunner?

The one 1968 Plymouth Roadrunner Differential we have in stock is the Dana 44 JK / 60 / 70U Pinion Nut Washer Replacement. It costs $3.99.

What types of Differentials do you sell for my 1968 Plymouth Roadrunner?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 1968 Plymouth Roadrunner:

Can I get help with 1968 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.