1968 Plymouth Roadrunner Differentials

Name: Differential Spool
Brand: Motive Gear
SKU: FSD60-35H
Price: 186.99 USD

Please Select your Vehicle to See Exact Fit Parts

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 Differential Cover Gaskets, and Differential Pinion Seals. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National, Motive Gear, and Felpro. For example, National Differentials start at just $16.99 with an average 4.3 star rating. Motive Gear and Felpro offer similar pricing and quality, backed by strong customer feedback. With over 2,910 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 $240.50, with a range that starts at $3.99 and goes up to $1,191.99. With 313 options in stock from 15 trusted brands, finding the right fit is easy. Popular picks like Multi-Purpose Bearing, 3 Qt – 80W90 Conventional Gear Oil with Posi Additive, and 3 Qt – Penzoil 80W90 Conventional Gear Oil start at just $16.99 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.

Looking for the perfect Differential for your 1968 Plymouth Roadrunner? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Plymouth Roadrunner. Whether you’re driving a 1968 model or another popular model year like 1969, 1970, 1971, 1972, 1973, 1974, and 1975, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.

Essential 1968 Plymouth Roadrunner Differentials

from

$186.99

Product Features:

FULL SPOOL DANA 60 35 SPLINE 4.10 & DOWN

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.

Product Features:

Redi-Sleeve yoke saver
Fits Chrysler 8.75″ and 9.25″ rear, Dana Spicer 60, 70, 70U and 70HD

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.

Product Features:

Fits Chrysler 9.25″ rear
Chrome

from

$27.99

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

from

$19.99

Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.

Product Features:

Pinion preload shims for Dana Spicer 60 and 70U

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$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.

Product Features:

Clutch kit
Fit Dana Spicer 60 Power Lok positraction with 35 spline axles
Smooth design
Includes two side gears, four pinion gears, cross pin shafts and side gear thrust washers.

from

$79.99

The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver select ability.

Product Features:

Seal housing for Dana Spicer 60
Includes O-rings

from

$8.99

Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:

Clutch guide for Chrysler 9.25″, Dana Spicer 44, Dana Spicer 50, Ford 8.8″, GM 12 bolt passenger car, GM 8.2″, 8.5″ and 8.6″, 1963-1979 Corvette and Nissan Titan
Compatible with Dura Grip positractions only

from

$399.99

USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:

Dura Grip positraction carrier case
Does not include spider gears
Fits Chrysler 9.25″ rear

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$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″

from

$171.99

Yukon Gear & Axle clutch kits fit popular Chrysler diffs outfitted with a Trac Loc style positraction unit feature stout clutch plates, ensuring total traction and long-lasting performance.

Product Features:

Clutch kit
Fits Chrysler 8.25″ Trac Loc positraction

from

$9.99

Cross pin bolt for Dana Spicer 60 with c-clip axles

from

$659.99

Spider gear kit
Fits Dana Spicer 60 with Trac Loc positraction with 35 spline axles
Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

from

$450.99

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.

Product Features:

The Power Trax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Power Trax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
Power Trax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
Power Trax 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.
Power Trax ia an Extreme Traction System

from

$266.99

Product Features:

DANA-60 R/P 3.73 STD MG (USES PRE-LOAD SHIMS)

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$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

from

$12.99

8.75″ Chrysler gasket.

Product Features:

Dropout gasket
Fits Chrysler 8.75″

from

$474.99

Model 35 IFS front spindle, 90-93 Ranger & Explorer.

Product Features:

Dropout housing
Fits Chrylser 8.75″
’89’ case design
Nodular iron for added strength

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.

Product Features:

DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted

from

$19.99

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

from

$13.99

Yukon spider gear set for GM 8.2″ Dura Grip posi, 28 spline. This kit does not include clutches. This kit fits Yukon Dura Grip ONLY.

Product Features:

Cover gasket
Fits Dana Spicer 60, 70, 70U and 70HD

from

$156.99

Cross pin shaft
Fits Dana Spicer 60 and 70
Power Lok positraction only

from

$57.99

Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.

Product Features:

Crush sleeve eliminator kit for GM 8.5″, 8.6″ and Chrysler 9.25″ rear

from

$10.99

Pinion nut for Chrysler 8.0″ IFS, 8.25″, 8.75″ with 29 spline pinion and 9.25″ rear
7/8″ x 14 thread

from

$26.99

Spartan spring & pin kit, fits smaller designs.

Product Features:

Replacement spring and pin kit for Spartan Locker
Fits Dana 30, Dana 44, AMC Model 20, AMC Model 35, and Toyota designs
Includes 4 springs and 4 alignment pins

from

$172.99

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:

DANA-60 TIMKEN MASTER KIT

from

$441.99

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 Chrysler 8.75″ ’42’ case housing with LM104912 carrier races
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.

from

$57.99

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

Popular 1968 Plymouth Roadrunner Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Front Housing Cover Gaskets

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Cover Plugs

Differential Clutch Packs

Differential Ring and Pinions

Differential Cases

Differential End Yokes

Differential Lock Assemblies

Differential Air System Seal Housings

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bearings

Front Differential Cover Gaskets

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Automatic Transmission Differential Carrier Gaskets

Differential Side Gear Thrust Washers

Differential Pinion Bearing Baffles

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Oil Deflectors

Differential Carrier Bolts

Differential Ring and Pinion Kits

Limited Slip Differential Assemblies

Differential and Pinion Shim Kits

Differential Bearing Adjuster Nut Lock Bolts

Differential Clutch Pack Clips

Differential Lock Thrust Blocks

Most Popular Differential Bearings for 1968 Plymouth Roadrunners

Enhance your 1968 Plymouth Roadrunner with one of the 6 Differential Bearings we have in stock, starting at just $6.99.

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from

$16.99

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

Product Features:

CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
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

from

$27.99

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

from

$17.99

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

from

$30.99

We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.

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

from

$13.99

Cross pin bolt for AMC Model 35 with c-clip axles

from

$6.99

Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 bolt car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS

Best-Selling 1968 Plymouth Roadrunner Rear Differential Cover Gaskets

Upgrade your Roadrunner with one of our 5 best-selling Rear Differential Cover Gaskets.

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from

$12.99

8.75″ Chrysler gasket.

Product Features:

Dropout gasket
Fits Chrysler 8.75″

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

from

$12.99

8.25″ Chrysler cover gasket.

Product Features:

Cover gasket
Fits Chrysler 8.25″

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.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications.

from

$8.49

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.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

Top-Quality Differential Pinion Seals for 1968 Plymouth Roadrunners

Choose a high-quality OEM or aftermarket Differential Pinion Seal for Plymouth Roadrunners and enjoy top-notch performance from $10.49.

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from

$16.99

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

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.

from

$24.99

from

$16.99

Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.

Product Features:

Pinion seal
Fits Chrysler 7.25″ and 8.25″

from

$21.49

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

from

$53.99

Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.

Product Features:

Pinion seal
Fits Chrysler 8.75″ with ’42’ case housing

from

$15.99

Design type: spring loaded; single-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

from

$13.99

Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.

Product Features:

Pinion seal
Fits Chrysler 8.75″ with ’41’ and ’89’ case housings and 2000 and down Chrysler 9.25″

from

$10.49

Oil Seal

Top Picks for 1968 Plymouth Roadrunner Differential Covers

Invest in one of our 3 durable Differential Covers for your 1968 Plymouth, knowing you’re getting trusted brands and expert craftsmanship.

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from

$159.99

These Yukon replacement diff covers are a direct bolt-on.

Product Features:

Fits Chrysler 8.25″
Steel

from

$114.99

These Yukon replacement diff covers are a direct bolt-on.

Product Features:

Fits standard rotation Dana Spicer 60
Steel

from

$89.99

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

Product Features:

Fits standard rotation Dana Spicer 60
Chrome

Top-Rated Differential Oil for 1968 Plymouth Roadrunners

Make a smart move for your 1968 Plymouth Roadrunner with products all priced from $12.49 to $148.99.

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from

$12.49

Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & 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 & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: 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; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:

FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations

from

$57.99

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

from

$44.99

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

Product Features:

Includes three quarts of conventional oil

from

$148.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:

Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive

from

$99.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:

Includes three quarts of Redline Shockproof oil

from

$137.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:

Includes four quarts of Redline Shockproof oil

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 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 $7.49. 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 Felpro 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 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 $7.49, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1968 Plymouth Roadrunner 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.

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”

Top-Quality National 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 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 $16.99, with an average price of $24.32, giving you a range of options to suit your budget. Backed by over 28 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.

from $38.99

(2)

Tapered Roller Bearing Cone

“nice finish and function. Should perform well.”

from $16.99

(25)

Multi-Purpose Bearing

“Smooth”

from $16.99

(1)

Multi-Purpose Seal

“Love advance they carry better parts than competitors online ordering with all the different promo codes and you can pick up in store”

FAQs for 1968 Plymouth Roadrunner Differentials

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

Out of 313 Differentials that fit 1968 Plymouth Roadrunners, the following parts are the top sellers:

Multi-Purpose Bearing (3275973) – $16.99
3 Qt – 80W90 Conventional Gear Oil with Posi Additive (11645418) – $57.99
3 Qt – Penzoil 80W90 Conventional Gear Oil (11644279) – $44.99

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 $1,191.99 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 $240.50. 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:

Dana 44 JK / 60 / 70U Pinion Nut Washer Replacement (11643194) – $3.99
Replacement Ring Gear Bolt For Dana 60, 70, 70U & 70HD, 1/2" X 18 (11643357) – $4.99
Side Gear Thrust Washer for Dana 60, 70 & 80 (11642996) – $4.99
Dana 60, Dana 70 & Dana 80 Cover Bolt (11642999) – $5.99
Replacement Outer Oil Slinger For Dana 60, 70, 70U & 70HD (11643266) – $5.99

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

As of 6/2/26, 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.

1968 Plymouth Roadrunner Differentials

Motive Gear – Differential Spool (Part No.FSD60-35H)

Yukon Gear – Replacement Redi-Sleeve Yoke Saver, 8.75" C, 9.25" C, Dana 60/61/70/70U/70HD (Part No.30228)

Yukon Gear – Chrome cover for Chrysler 9.25 (Part No.32001)

National – Tapered Roller Bearing Cone (Part No.25590)

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

Yukon Gear – Replacement Positraction Internals for Dana 60 and 70 with 35 Spline Axles (Part No.16008)

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

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

Yukon Gear – Chrysler 9.25" Dura Grip Case, Bare (Part No.20015)

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

Yukon Gear – 8.25" Chrysler, Model 35, D36 Ica, & Dana 28 Tracloc Clutch Set (Part No.16147)

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

Yukon Gear – Replacement Posi Internals, Dana 60 (Full and Semi Float), 35 Spline (Part No.16088)

Powertrax – Differential Lock Assembly (Part No.1230-LR)

Motive Gear – Differential Ring and Pinion (Part No.D60-373)

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

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

USA Standard Gear – 8.75" Chrysler 89 Drop Out Case, Up To 500 Hp, Nodular Iron (Part No.59001)

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

National – Bearing Race (Part No.HM803110)

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

Yukon Gear – Dana 60 & Dana 70 Power Lok Cross Pin Shaft (Two Needed) (Part No.33315)

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

Yukon Gear – Pinion Nut (Part No.33142)

USA Standard Gear – Differential Cross Pin (Part No.17011)

Motive Gear – Differential Master Bearing Kit – Timken (Part No.RA29RMKT)

USA Standard Gear – Differential Rebuild Kit (Part No.37090)

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil with Posi Additive (Part No.15003)

National – Multi-Purpose Bearing (Part No.A-6)

National – Tapered Roller Bearing Cone (Part No.25590)

National – Bearing Race (Part No.382S)

Schaeffler – Bearing – CRB (Cylindrical Roller Bearing) (Part No.FC67147)

Yukon Gear – Model 35 (Standard Open & Tracloc) 8.25" Chrysler Tracloc Cross Pin Bolt (Part No.33230)

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

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

Mr. Gasket – Differential Gasket (Part No.81)

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

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

Victor Reinz – Differential Cover Gasket (Part No.71-14825-00)

National – Multi-Purpose Seal (Part No.8516N)

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

Motive Gear – Differential Pinion Seal (Part No.6808N)

Yukon Gear – 7.25" & 8.25" Chrysler Pinion Seal (Part No.30189)

National – Differential Pinion Seal (Part No.8515N)

Yukon Gear – Pinion Seal for Chrysler 8.75" 42 Housing (Part No.30171)

National – Multi-Purpose Seal (Part No.6808N)

Yukon Gear – Pinion Seal for 8.75" Chrysler Or for 9.25" Chrysler with 41 or 89 Housing (Part No.30121)

Driveworks – Oil Seal (Part No.S-7215)

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

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

Yukon Gear – Standard Rotation Dana 60 Chrome Differential Cover (Part No.32005)

Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil with Posi Additive (Part No.15003)

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

Yukon Gear – Redline Synthetic "Shock Proof" Oil with Positraction Additive – 4 Quarts (Part No.15005)

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

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