1966 Plymouth Barracuda Differentials

Name: 8.75" Chrysler 89 Drop Out Case, Up To 500 Hp, Nodular Iron
Brand: USA Standard Gear
SKU: 59001
Price: 474.99 USD

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1966 Plymouth Barracuda in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1966 Plymouth Barracuda looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Differential Covers, and Differential Oil. 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, Felpro, and Motive Gear. For example, National Differentials start at just $16.99 with an average 4.3 star rating. Felpro and Motive Gear offer similar pricing and quality, backed by strong customer feedback. With over 124 reviews and a solid 4 star average, you can shop with confidence knowing other Plymouth Barracuda owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1966 Plymouth Barracuda Differential at Advance Auto Parts is around $244.72, with a range that starts at $2.79 and goes up to $1,566.99. With 164 options in stock from 10 trusted brands, finding the right fit is easy. Popular picks like 3 Qt – 80W90 Conventional Gear Oil With Posi Additive, 3 Qt – Penzoil 80W90 Conventional Gear Oil, and Bearing Race start at just $9.99 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 1966 Plymouth Barracuda in peak condition, inside and out.

Looking for the perfect Differential for your 1966 Plymouth Barracuda? 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 Barracuda. Whether you’re driving a 1966 model or another popular model year like 1965, 1967, 1968, 1969, 1970, 1971, 1972, 1973, and 1974, 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 1966 Plymouth Barracuda Differentials

from

$474.99

Product Features:

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

from

$22.99

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

$7.99

Replacement pinion nut for Dana 44 JK, 44HD, 60, 70, 70U, 70HD & Nissan Titan rear. 1 5/16″ nut, 7/8″ x 14 thread.

Product Features:

Pinion nut for Jeep JK rear, Dana Spicer 44HD, 60, 70, 70U, 70HD and Nissan Titan rear
7/8″ x 14 thread
1 5/16″ socket

from

$7.99

Product Features:

CHRY 8 3/4″ RING GEAR BOLTS C 8.25″

from

$15.79

Product Features:

PINION SHIM 8 3/4″ EARLY

from

$919.99

Yukon yoke for Ford 8.8″ truck or passenger with a 1330 U/joint size. 3.625″ snap ring span, 1.125″ cap diameter. Outside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits Ford 8.8″
30 spline
1330 u-joint size
3.625″ snap ring span
1.062″ cap diameter
Outside snap ring design
Strap style

from

$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″

from

$198.99

Product Features:

Spider gear kit
Fits Dana Spicer 60, 35 spline open differential
Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

from

$22.99

Product Features:

Rubber fill plug
Fits Chrysler 7.25″, 8.25″ and 9.25″

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$51.99

Product Features:

MINI INSTALL KIT CHRYSLER 8.75 8 3/4″ LATE

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$16.29

Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

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

$505.99

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!

from

$12.99

8.75″ Chrysler gasket.

Product Features:

Dropout gasket
Fits Chrysler 8.75″

from

$11.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$174.99

Pump up kit, Zip Locker.

Product Features:

Tire pump up kit
Includes hose, fittings, couplers and teflon tape

from

$159.99

Fits Chrysler 8.25″
Steel

from

$5.99

Dana 60 pinion gear Thrust washer, standard Open & TracLoc (also 8.75″ Chrysler STD) Dana 70 2PC.

Product Features:

Pinion gear thrust washer for Dana Spicer 60
Fits standard open and Trac Loc applications

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$128.99

Product Features:

BEARING KIT CHRY 8.75 489 CASTING OPEN/AUBURN/TRUETRAC/DET.LOCKER

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$13.99

Product Features:

CRUSH SLEEVE CHRYS 8 3/4

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$215.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits HM89410 race
All steel construction

from

$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

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

from

$829.99

The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

Product Features:

Fits Dana Spicer 60 with 35 spline axles
Made from 9310 steel for added strength
Replaces the spiders in a standard carrier case

from

$292.99

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″ ’41’ case
Included are pinion bearings and races, pinion seal, pinion nut, complete pinion shim kit, and marking compound with brush.

from

$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

from

$218.99

Side gear thrust washer kit for 8.25″ Chrysler, 27 spline only.

Product Features:

Side gear thrust washer kit
Fits Chrysler 8.25″ with 27 spline axles

from

$198.99

Product Features:

Spider gear kit
Fits Dana Spicer 60, 30 spline open differential
Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

from

$42.99

Differential carrier side bearing screw adjuster for Chrysler 7.25″ and 8.25″.

Product Features:

Side adjuster
Fits Chrysler 7.25″ and 8.25″

Popular 1966 Plymouth Barracuda 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

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 Spools

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 Gear Thrust Washers

Differential Pinion Gear Washers

Differential Bearing Adjuster Nut Lock Bolts

Differential Lock Thrust Blocks

Most Popular Differential Bearings for 1966 Plymouth Barracudas

Enhance your 1966 Plymouth Barracuda with one of the 3 Differential Bearings we have in stock, starting at just $11.99.

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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

$11.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$13.29

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

Best-Selling 1966 Plymouth Barracuda Differential Cover

Upgrade your Barracuda with our best-selling Differential Cover.

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from

$159.99

Fits Chrysler 8.25″
Steel

Top-Quality Differential Oil for 1966 Plymouth Barracudas

Choose a high-quality OEM or aftermarket Differential Oil for Plymouth Barracudas and enjoy top-notch performance from $44.99.

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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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$44.99

3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:

Includes three quarts of conventional oil

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

from

$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

from

$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

Top Picks for 1966 Plymouth Barracuda Differential Axle Shafts

Invest in one of our 2 durable Differential Axle Shafts for your 1966 Plymouth, knowing you’re getting trusted brands and expert craftsmanship.

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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

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

Rear Differential Cover Gaskets for 1966 Plymouth Barracudas

Make a smart move for your 1966 Plymouth Barracuda with products all priced from $12.99 to $22.79.

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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″

Top-Rated Differential Brands For Your 1966 Plymouth Barracuda

When it comes to finding the perfect Differential for your 1966 Plymouth Barracuda, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 10 trusted brands. We carry the most popular Differential brands including Felpro, National, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $2.79. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1966 Plymouth Barracuda, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1966 Plymouth Barracuda Differentials

If you’re looking for a top-quality Differential for your 1966 Plymouth Barracuda, 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 1966 Plymouth Barracuda 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 1966 Plymouth Barracuda Differentials

For those in search of a high-quality Differential for their 1966 Plymouth Barracuda, Advance Auto Parts offers a great selection of National Differentials. With 2 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 $27.99, giving you a range of options to suit your budget. Backed by over 27 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 $16.99

(25)

Multi-Purpose Bearing

“Smooth”

from $38.99

(2)

Tapered Roller Bearing Cone

“nice finish and function. Should perform well.”

FAQs for 1966 Plymouth Barracuda Differentials

What are the best-selling Differentials for 1966 Plymouth Barracudas?

Out of 164 Differentials that fit 1966 Plymouth Barracudas, the following parts are the top sellers:

3 Qt – 80W90 Conventional Gear Oil With Posi Additive (11645418) – $57.99
3 Qt – Penzoil 80W90 Conventional Gear Oil (11644279) – $44.99
Bearing Race (3277569) – $9.99

What’s the price range for 1966 Plymouth Barracuda Differentials?

The prices of Differentials for the 1966 Plymouth Barracuda range from $2.79 up to $1,566.99 for the most premium parts.

What is the average price of a Differential for a 1966 Plymouth Barracuda?

The average price for Differentials for the 1966 Plymouth Barracuda is $244.72. 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 Barracuda model years?

Yes, we carry Differentials for 9 model years of Plymouth Barracudas between 1964 and 1974. The following model years are the most popular for Differential purchases: 1974, 1973, 1972, 1971, 1970, 1969, 1968, 1967, and 1965.

What are the cheapest Differentials for my 1966 Plymouth Barracuda?

The cheapest 1966 Plymouth Barracuda Differentials we carry are:

Differential Crush Sleeve (20520219) – $2.79
Replacement Floater Roll Pin For Dana 44 & 8.75" Chrysler Power Lok (11642577) – $5.99
0.260" Diameter Cross Pin Roll Pin For 8.75" Chrysler, 8", 9" Ford, And Model 20 And 35 (11642438) – $5.99
Dana 60 Pinion Gear Thrust Washer, Standard Open & Tracloc (Also 8.75" Chrysler Std) Dana 70 2Pc (11643122) – $5.99
Chrysler 8.75" (Coarse Spline) Pinion Nut (11642309) – $5.99

Does Advance Auto Parts sell Differentials for any other 1966 Plymouth models?

Yes. We stock Differentials for 5 other popular 1966 Plymouth models. Some of the most popular are 1966 Belvedere Differentials, 1966 Belvedere II Differentials, 1966 Fury Differentials, 1966 Fury III Differentials, and 1966 Valiant Differentials.

What are the top-rated Differentials that fit the 1966 Plymouth Barracuda?

The one 1966 Plymouth Barracuda Differential we have in stock is the Differential Crush Sleeve. It is rated 5 stars and costs $2.79.

What types of Differentials do you sell for my 1966 Plymouth Barracuda?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1966 Plymouth Barracuda:

Can I get help with 1966 Plymouth Barracuda 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 Barracuda Differentials?

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

1966 Plymouth Barracuda Differentials

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

National – Tapered Roller Bearing Cone (Part No.HM88542)

Yukon Gear – Pinion Nut For Dana 44 JK, 44HD, 60, 70, 70U, 70HD & Nissan Titan Rear 1 5/16" Nut 7/8" X 14 Thread (Part No.33144)

Motive Gear – Ring Gear Bolt (Part No.1304)

Motive Gear – Differential Pinion Shim Kit (Part No.1108)

USA Standard Gear – Powr Lok Posi For Chrysler 8.75", Aggressive Design (Part No.59026)

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

USA Standard Gear – Replacement Spider Gear Set For Dana 60, 35 Spline (Part No.39009)

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

Motive Gear – Differential Gear Install Kit (Part No.C8.75IKL)

Schaeffler – General Seal (Part No.SS2257)

Powertrax – Grip LS Traction System (Part No.LS308229)

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

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

Yukon Gear – Pump Up Kit, Zip Locker (Part No.34031)

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

Yukon Gear – Dana 60 Pinion Gear Thrust Washer, Standard Open & Tracloc (Also 8.75" Chrysler Std) Dana 70 2Pc (Part No.33287)

Motive Gear – Differential Master Bearing Kit – Timken (Part No.R8.75RLAMKT)

Motive Gear – Differential Crush Sleeve (Part No.3102)

Yukon Gear – Bearing Race Driver (Part No.56017)

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

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

USA Standard Gear – Spartan Locker for Dana 60 Differential with 35 Spline Axles, Includes Heavy-duty Cross Pin Shaft (Part No.17004)

Yukon Gear – Pinion Install Kit For Chrysler 8.75" (#41) Differential (Part No.13005)

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

Yukon Gear – Side Gear And Thrust Washer Kit For 8.25" Chrysler, 27 Spline Only (Part No.33277)

USA Standard Gear – Replacement Spider Gear Set For Dana 60, 30 Spline (Part No.39008)

Yukon Gear – Differential Carrier Side Bearing Screw Adjuster For Chrysler 7.25" And 8.25" (Part No.33257)

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

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

Schaeffler – Cone (Part No.KL44649)

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

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)

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

Yukon Gear – 1541H Alloy Rear Axle For Chrysler 8.75" (Part No.21408)

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)