1973 Plymouth Duster Differentials

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Keep Your 1973 Plymouth Duster 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 Duster looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Covers, Rear Differential Cover Gaskets, and Differential 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 Motive Gear, Felpro, and National. For example, Motive Gear Differentials start at just $7.99 with an average 4.0 star rating. Felpro and National offer similar pricing and quality, backed by strong customer feedback. With over 288 reviews and a solid 3 star average, you can shop with confidence knowing other Plymouth Duster owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1973 Plymouth Duster Differential at Advance Auto Parts is around $251.16, with a range that starts at $3.99 and goes up to $1,566.99. With 223 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like Taper Bearing Cone, 3 Qt – 80W90 Conventional Gear Oil With Posi Additive, and 3 Qt – Penzoil 80W90 Conventional Gear Oil start at just $15.49 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 Duster in peak condition, inside and out.

Looking for the perfect Differential for your 1973 Plymouth Duster? 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 Duster. Whether you’re driving a 1973 model or another popular model year like 1970, 1971, 1972, 1974, 1975, and 1976, 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 1973 Plymouth Duster Differentials

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$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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$2.79

Product Features:

CRUSH SLEEVE 7.25 & 8.25 MIN ORDER 5000

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$7.99

ZIP locker rear switch cover.

Product Features:

Cover for switch
Rear

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$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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$4.99

Replacement ring gear bolt for Dana 60, 70, 70U & 70HD, 1/2″ x 18.

Product Features:

Ring gear bolt for Dana Spicer 60, 70, 70U and 70HD
1/2″ x 18 thread

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$13.99

Product Features:

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

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$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

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$37.99

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 1976 and up Chrysler 8.25″
Included are a pinion seal, crush sleeve, complete shim kit, marking compound and brush.

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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″

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$31.99

Product Features:

MINI-INSTLTN KIT-CHRYSLER 7 1/4″

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$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.

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$153.99

M802048 set-up bearing (one bearing). No return.

Product Features:

Set up bearing
Fits M802048 pinion bearing
Easily slips on and off pinion journal to allow for easier pinion depth adjustment

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$156.99

Yukon yoke for Chrysler 8.75″ with 29 spline pinion and a 7290 U/joint size. 2.625″ snap ring span. 1.125″ cap diameter. Inside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits Chrysler 8.75″
29 spline
7290 u-joint size
2.625″ snap ring span
1.125″ cap diameter
Inside snap ring design
Strap style

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$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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$11.29

Product Features:

O-ring for seal housing
Fits Dana Spicer 60

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$12.99

Product Features:

KIT SHIM

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$9.99

Chrysler 8.75″ (coarse spline) pinion nut washer.

Product Features:

Pinion nut washer
Fits Chrysler 8.75″ with 10 spline pinion

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$181.99

Dana 60 & Dana 70 Power Lok clutch set (steel & fiber).

Product Features:

Clutch kit
Fit Dana Spicer 60, 70, 70U and 70HD Powr Lok positraction

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$9.99

Product Features:

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

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$6.99

Product Features:

Oil baffle for Dana Spicer 60 and Dana Spicer 70U

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$509.99

Product Features:

Trac Loc positraction carrier case
Does not include spider gears
Fits Dana Spicer 60
4.10 and down ratio only
ABS and non-ABS compatible

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$883.99

The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to one ton applications including Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:

Carrier bearing puller
Works with an impact gun to safely and easliy remove carrrier bearings

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$5.99

Product Features:

Outer oil slinger for Dana Spicer 60, 70, 70U and 70HD

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$67.99

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:

Powr Lok button kit
Fits Dana Spicer 30, 44 and Chrysler 8.75″

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$57.99

Cross pin shaft for 8.25″ Chrysler.

Product Features:

Cross pin shaft for Chrysler 8.25″
Fits standard open differentials only

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$13.99

Product Features:

Carrier shim kit for Dana Spicer 60, 70, 70HD, 70U and 80

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$9.29

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$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.

Popular 1973 Plymouth Duster Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Pinion Pilot Bearings

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

Differential Spools

Differential Carrier Bearings

Front Differential Cover Gaskets

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Carrier Bearing Shims

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Housing O-Rings

Differential Side Gear Thrust Washers

Differential Pinion Bearing Baffles

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Oil Deflectors

Differential Carrier Bolts

Differential Pinion Gear Washers

Limited Slip Differential Assemblies

Differential Clutch Pack Clips

Differential Bearing Adjuster Nut Lock Bolts

Differential Lock Thrust Blocks

Best-Selling 1973 Plymouth Duster Rear Differential Cover Gaskets

Upgrade your Duster with one of our 4 best-selling Rear Differential Cover Gaskets, earning an average 4.5 stars rating across 21 reviews.

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$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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$12.99

8.75″ Chrysler gasket.

Product Features:

Dropout gasket
Fits Chrysler 8.75″

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$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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$12.99

8.25″ Chrysler cover gasket.

Product Features:

Cover gasket
Fits Chrysler 8.25″

Top-Quality Differential Pinion Seals for 1973 Plymouth Dusters

Choose a high-quality OEM or aftermarket Differential Pinion Seal for Plymouth Dusters and enjoy top-notch performance from $16.49.

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from

$16.49

from

$16.99

7.25″ & 8.25″ Chrysler pinion seal.Yukon Mighty seal.

Product Features:

Pinion seal
Fits Chrysler 7.25″ and 8.25″

Top Picks for 1973 Plymouth Duster Differential Bearings

Invest in one of our 2 durable Differential Bearings for your 1973 Plymouth, knowing you’re getting trusted brands and expert craftsmanship.

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$15.49

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$26.99

Cross pin bolt
Fits Chrylser 7.25″

Differential Oil for 1973 Plymouth Dusters

Make a smart move for your 1973 Plymouth Duster with products all priced from $44.99 to $148.99.

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$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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$44.99

3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:

Includes three quarts of conventional oil

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$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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$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

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$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

Top-Rated Differential Brands For Your 1973 Plymouth Duster

When it comes to finding the perfect Differential for your 1973 Plymouth Duster, 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 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 $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1973 Plymouth Duster, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1973 Plymouth Duster Differentials

If you’re looking for a top-quality Differential for your 1973 Plymouth Duster, 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 $8.29, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1973 Plymouth Duster come highly rated, with over 21 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 $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 ”

Top-Quality National 1973 Plymouth Duster Differentials

For those in search of a high-quality Differential for their 1973 Plymouth Duster, Advance Auto Parts offers a great selection of National Differentials. With 1 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 $17.99, giving you a range of options to suit your budget. Backed by over 7 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 $17.99

(7)

Multi-Purpose Bearing

“Comparable with the Timkens I removed. NATIONAL bearings have lasted decades in many of my other machines.”

FAQs for 1973 Plymouth Duster Differentials

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

Out of 223 Differentials that fit 1973 Plymouth Dusters, the following parts are the top sellers:

Taper Bearing Cone (5051614) – $15.49
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 1973 Plymouth Duster Differentials?

The prices of Differentials for the 1973 Plymouth Duster range from $3.99 up to $1,566.99 for the most premium parts.

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

The average price for Differentials for the 1973 Plymouth Duster is $251.16. 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 Duster model years?

Yes, we carry Differentials for 5 model years of Plymouth Dusters between 1970 and 1976. The following model years are the most popular for Differential purchases: 1976, 1975, 1974, 1972, 1971, and 1970.

What are the cheapest Differentials for my 1973 Plymouth Duster?

The cheapest 1973 Plymouth Duster 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
Pinion Gear And Thrust Washer For 8" And 9" Ford, Model 20, And 7.25" Chrysler (11642366) – $4.99
Dana 60, Dana 70 & Dana 80 Cover Bolt (11642999) – $5.99

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 Scamp Differentials.

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

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1973 Plymouth Duster:

Can I get help with 1973 Plymouth Duster 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 Duster Differentials?

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

1973 Plymouth Duster Differentials

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)

Motive Gear – Differential Crush Sleeve (Part No.3507575)

Yukon Gear – Zip Locker Rear Switch Cover (Part No.34010)

Yukon Gear – Pinion Install Kit For Chrysler 8.75" (#42) Differential (Part No.13006)

Yukon Gear – Replacement Ring Gear Bolt For Dana 60, 70, 70U & 70HD, 1/2" X 18 (Part No.33037)

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

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

Yukon Gear – Minor Install Kit For Chrysler 76 & Up 8.25" Differential (Part No.12004)

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

Motive Gear – Differential Gear Install Kit (Part No.C7.25IK)

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

Yukon Gear – Set Up Bearing (Part No.56045)

Yukon Gear – Yoke For Chrysler 8.75" With 29 Spline Pinion And A 7290 U/Joint Size (Part No.41009)

Yukon Gear – Standard Open Spider Gear Kit For ’96 And Older 8.25" Chrysler With 27 Spline Axles (Part No.16002)

Yukon Gear – O-Ring For Dana 60 Zip Locker Seal Housing (Part No.34006)

Motive Gear – Differential Pinion Shim Kit (Part No.1104)

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

Yukon Gear – Dana 60 & Dana 70 Power Lok Clutch Set (Steel & Fiber) (Part No.16155)

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

Yukon Gear – Replacement Baffle For Dana 60 & Dana 70-U (Part No.33001)

Yukon Gear – Replacement Trac Loc Carrier Case, Dana 60, 4.10 & Down (Part No.20043)

Yukon Gear – The Carrier Bearing Puller (Part No.56072)

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

Yukon Gear – Powr Lok Button Kit For Dana 30, Dana 44 & Chrysler 8.75" (Part No.33536)

Yukon Gear – Cross Pin Shaft For 8.25" Chrysler (Part No.33308)

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

Motive Gear – Pinion Nut (Part No.1260823)

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

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

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

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

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)

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

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

Driveworks – Taper Bearing Cone (Part No.S-LM-102949)

Yukon Gear – Cross Pin Bolt For 7.25" Chrysler (Part No.33231)

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)