1966 Dodge A100 Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1966 Dodge A100 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1966 Dodge A100 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Differential Cover Gaskets, Differential Covers, and Differential Bearings. 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, National, and Felpro. For example, Motive Gear Differentials start at just $2.79 with an average 4.0 star rating. National and Felpro offer similar pricing and quality, backed by strong customer feedback. With over 119 reviews and a solid 4 star average, you can shop with confidence knowing other Dodge A100 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1966 Dodge A100 Differential at Advance Auto Parts is around $251.69, with a range that starts at $2.79 and goes up to $1,566.99. With 144 options in stock from 9 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 Taper Bearing Cone start at just $11.99 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 Dodge A100 in peak condition, inside and out.

Looking for the perfect Differential for your 1966 Dodge A100? 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 Dodge A100. Whether you’re driving a 1966 model or another popular model year like 1964, 1965, 1967, 1968, 1969, and 1970, 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 Dodge A100 Differentials

from

$22.99

Product Features:

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

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

$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″

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

$1566.99

21 Piece bearing race driver set. (Box wt: 140lbs) No return.

Product Features:

Bearing race driver set
21 pieces
All steel construction

from

$9.29

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

$7.99

Product Features:

CHRY 8 3/4″ RING GEAR BOLTS C 8.25″

from

$159.99

Fits Chrysler 8.25″
Steel

from

$9.99

Chrysler 8.75″ (coarse spline) pinion nut washer.

Product Features:

Pinion nut washer
Fits Chrysler 8.75″ with 10 spline pinion

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

$39.99

8″ Toyota, 7.5″ GM, 8.2″ GM, 12T, pinion shim set, & Mazda truck.

Product Features:

Pinion depth shim kit for Toyota 7.5″, 8″ and V6

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$446.99

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

Product Features:

Fits Chrysler 8.25″
8.25″ ring gear diameter
27 spline pinion
10 ring gear bolts
4.56 ratio

from

$16.99

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

Product Features:

Pinion seal
Fits Chrysler 7.25″ and 8.25″

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″

from

$37.99

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

Product Features:

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

from

$12.99

8.25″ Chrysler cover gasket.

Product Features:

Cover gasket
Fits Chrysler 8.25″

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

$67.99

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

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

$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

$1015.00

USA Standard Gear Power Lok posi for Chrysler 8.75″, smooth design

Product Features:

Gear Power Lok Posi LSD
Fits Chrysler 8.75″
Smooth design
Positraction

from

$286.99

Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking to save cost over a Master Overhaul kit. This kit uses Timken bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and 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 ring & pinion set.

Product Features:

Fits Chrysler 8.75″ ’41’ case housing with LM104912 carrier races
Included are carrier bearings and races, pinion bearings and races, pinion seal, marking compound and brush.

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.

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

$44.99

3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:

Includes three quarts of conventional oil

from

$301.99

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

Product Features:

Spider gear kit
Fit Chrysler 8.25″ open differntial with 27 spline axles
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

from

$5.99

0.260″ diameter cross pin roll pin for 8.75″ Chrysler, 8″, 9″ Ford, and Model 20 and 35.

Product Features:

Roll pin for Chrysler 8.75″, Ford 8″ and 9″, AMC Model 20 and Model 35
0.260″ diameter

from

$2.79

Product Features:

CRUSH SLEEVE 7.25 & 8.25 MIN ORDER 5000

Popular 1966 Dodge A100 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 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 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 Rear Differential Cover Gaskets for 1966 Dodge A100s

Enhance your 1966 Dodge A100 with one of the 2 Rear Differential Cover Gaskets we have in stock, starting at just $12.99.

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from

$12.99

8.75″ Chrysler gasket.

Product Features:

Dropout gasket
Fits Chrysler 8.75″

from

$12.99

8.25″ Chrysler cover gasket.

Product Features:

Cover gasket
Fits Chrysler 8.25″

Best-Selling 1966 Dodge A100 Differential Cover

Upgrade your A100 with our best-selling Differential Cover.

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from

$159.99

Fits Chrysler 8.25″
Steel

Top-Quality Differential Bearings for 1966 Dodge A100s

Choose a high-quality OEM or aftermarket Differential Bearing for Dodge A100s and enjoy top-notch performance from $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

Top Picks for 1966 Dodge A100 Differential Oil

Invest in one of our 5 durable Differential Oil for your 1966 Dodge, knowing you’re getting trusted brands and expert craftsmanship.

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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

from

$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

Our Differential Pinion Seals for 1966 Dodge A100s

Make a smart move for your 1966 Dodge A100 with our Differential Pinion Seal for $16.99.

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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-Rated Differential Brands For Your 1966 Dodge A100

When it comes to finding the perfect Differential for your 1966 Dodge A100, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 9 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 Dodge A100, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1966 Dodge A100 Differentials

If you’re looking for a top-quality Differential for your 1966 Dodge A100, 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 Dodge A100 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 Dodge A100 Differentials

For those in search of a high-quality Differential for their 1966 Dodge A100, 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 Dodge A100 Differentials

What are the best-selling Differentials for 1966 Dodge A100s?

Out of 144 Differentials that fit 1966 Dodge A100s, 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
Taper Bearing Cone (5050049) – $11.99

What’s the price range for 1966 Dodge A100 Differentials?

The prices of Differentials for the 1966 Dodge A100 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 Dodge A100?

The average price for Differentials for the 1966 Dodge A100 is $251.69. 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 Dodge A100 model years?

Yes, we carry Differentials for 5 model years of Dodge A100s between 1964 and 1970. The following model years are the most popular for Differential purchases: 1970, 1969, 1968, 1967, 1965, and 1964.

What are the cheapest Differentials for my 1966 Dodge A100?

The cheapest 1966 Dodge A100 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 Dodge models?

Yes. We stock Differentials for 14 other popular 1966 Dodge models. Some of the most popular are 1966 Charger Differentials, 1966 Dart Differentials, 1966 Monaco Differentials, 1966 Coronet Differentials, and 1966 Polara Differentials.

What are the top-rated Differentials that fit the 1966 Dodge A100?

The one 1966 Dodge A100 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 Dodge A100?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1966 Dodge A100:

Can I get help with 1966 Dodge A100 Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Dodge Differentials and more.

What is your return policy for Dodge A100 Differentials?

Advance Auto Parts keeps returns simple. For new Dodge A100 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1966 Dodge A100 Differentials

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

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

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

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

Yukon Gear – Bearing Race Driver Set, 21 Piece (Part No.56030)

Motive Gear – Pinion Nut (Part No.1260823)

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

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

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

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

Yukon Gear – Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck (Part No.55064)

Yukon Gear – High Performance Ring & Pinion Gear Set For Chrysler 8.25" In A 4.56 Ratio (Part No.24005)

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

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

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)

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

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

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

USA Standard Gear – Master Overhaul Kit For Chrysler 8.75" #42 Housing With LM104912/49 Carrier Bearings (Part No.37090)

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

USA Standard Gear – Power Lok Positraction for Chrysler 8.75" (Part No.59027)

Yukon Gear – Bearing Install Kit For Chrysler 8.75" Two-Pinion (#41) Differential (Part No.11005)

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

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

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

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

Yukon Gear – 0.260" Diameter Cross Pin Roll Pin For 8.75" Chrysler, 8", 9" Ford, And Model 20 And 35 (Part No.33334)

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

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

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

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

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

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

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