1966 Ford Bronco Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1966 Ford Bronco in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1966 Ford Bronco looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Axle Shafts, 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 National, Powertrax, and Felpro. For example, National Differentials start at just $11.99 with an average 4.3 star rating. Powertrax and Felpro offer similar pricing and quality, backed by strong customer feedback. With over 108 reviews and a solid 4 star average, you can shop with confidence knowing other Ford Bronco owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1966 Ford Bronco Differential at Advance Auto Parts is around $241.84, with a range that starts at $1.99 and goes up to $1,566.99. With 420 options in stock from 13 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 Differential Pinion Seal start at just $23.49 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 4WD Components and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1966 Ford Bronco in peak condition, inside and out.

Looking for the perfect Differential for your 1966 Ford Bronco? 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 Ford Bronco. Whether you’re driving a 1966 model or another popular model year like 1991, 1992, 1993, 1994, 1995, 1996, 2021, 2022, and 2023, 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 Ford Bronco Differentials

from

$3.99

Adjuster lock bolt 3.062″ & 3.250″ Yukon Ford 9″ Drop Out.

Product Features:

Side adjuster lock bolt

from

$219.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits M88010 race
All steel construction

from

$13.99

Product Features:

O-ring for seal housing
Fits Dana Spicer 30 and AMC Model 35

from

$17.99

Replacement pinion seal for Dana 25, Dana 27, Dana 30, D36, Dana 44, & Dana 50 .Yukon Mighty seal.

Product Features:

Pinion seal
Fits Dana Spicer 25, 27, 30, 40 and 50

from

$68.99

9″ Ford 2 piece solid preload pinion spacer, Daytona or standard.

Product Features:

Crush sleeve eliminator kit for Ford 9″ with 28 spline pinion

from

$128.99

Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Dana 44 differential. This kit contains carrier bearings, races and shims.

Product Features:

Fits Dana Spicer 44
Includes carrier bearings and races and carrier shim kit

from

$99.99

Product Features:

Trac Loc spring for Ford 8.8″
31 spline applications only

from

$99.99

Yukon outer stub axle for Chrysler 9.25″ front. This axle uses a 1485 u/joint and has 33 splines.

Product Features:

Fits Ford 8.8″
Steel

from

$4.99

STAR washers, 3.250″ Yukon Ford 9″ Drop Out new design ONLY.

Product Features:

Star washer
Fits Ford 9″
3.250″ designs only

from

$146.99

Yukon replacement yoke for Dana 30, 44, and 50 with 26 spline and a 1330 U/joint size. 3.625″ snap ring span, 1.062″ cap diameter. Outside snap ring. This yoke uses straps. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits Dana Spicer 30 and 44
26 spline
1330 u-joint size
Outside snap ring design
3.625″ snap ring span
1.062″ cap diameter
Strap style

from

$67.99

Product Features:

Complete shim kit
Fits Dana Spicer 50

from

$857.99

The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

Product Features:

Fits Ford 8.8″ with 31 spline axles
4-spring, clutch style positraction
Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
Fully rebuildable
Assembled in the USA

from

$11.99

Pinion gear thrust washer (0.875″ shaft) for 8.8″ Ford.

Product Features:

Pinion gear thrust washer for Ford 8.8″
0.875″ diameter cross pin shaft applications only

from

$373.99

This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:

Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
Durable construction – designed to rigorous standards and tested to ensure performance
Trustworthy solution – backed by team of engineers and quality control specialists in the United States

from

$83.99

Replacement front axle inner seal redi-sleeve for Dana 44 & 8.5″ GM.Yukon Mighty seal.

Product Features:

Axle Redi-sleeve
Fits Dana Spicer 44

from

$174.99

Pump up kit, Zip Locker.

Product Features:

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

from

$2.99

Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:

Meets or exceeds OE specifications

from

$44.99

3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:

Includes three quarts of conventional oil

from

$8.29

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

from

$94.99

3.062″ side adjuster, Only Fits Yukon Ford 9″ Drop Out, new design ONLY.

Product Features:

Side adjuster
Fits Ford 9″
3.062″ designs only

from

$27.49

Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:

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

from

$639.99

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. Does not fit Std. JK Carrier. Use YC D706008

Product Features:

Fits Dana Spicer 30 with 27 spline axles
Made from 9310 steel for added strength
Replaces the spiders in a standard carrier case

from

$26.99

Dana 30 & Dana 44 Power Lok bolt, left hand, & 8.75″ Chrysler & 55P.

Product Features:

Power Lok case bolt for Dana Spicer 30, Dana Spicer 44, Chrysler 8.75″ and 1955-1964 GM passenger car
Left hand thread

from

$6.99

Product Features:

Oil baffle for Dana Spicer 44

from

$28.49

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

from

$7.99

High-quality Differential Component Shim

Product Features:

SHIM KIT FITS-8.25-F7.5-AMC20-GM0

from

$31.99

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:

Designed to repair damaged, grooved or worn shafts
Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
Easy to install with removable flange and installation tool
Installation tool reduces sleeve distortion and allows for installation without removal from the shaft

from

$5.99

Fine thread pinion support bolt (aftermarket aluminum only) for 9″ Ford.

Product Features:

Pinion support bolt for Ford 9″
3/8″ x 24 thread
1.5″ long

Popular 1966 Ford Bronco 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 Clutch Packs

Differential Ring and Pinions

Differential Cases

Differential End Yokes

Differential Pinion Supports

Differential Lock Assemblies

Differential Air System Seal Housings

Differential Spools

Differential Carrier Bearings

Differential Lock Springs

Differential Carrier Bearing Adjusters

Automatic Transmission Differential Cover Gaskets

Differential Pinion Bearing Kits

Differential Seals

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Pinion Shafts

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 Gear Bearing Retainer Bolts

Differential Drive Pinion Oil Deflectors

Differential Carrier Bolts

Limited Slip Differential Assemblies

Differential Pinion Bearing Spacers

Differential Clutch Pack Clips

Differential Lock Washers

Differential Bearing Adjuster Nut Lock Bolts

Differential and Pinion Shim Kits

Differential Lock Thrust Blocks

Differential Carrier Bearing Races

Most Popular Differential Axle Shafts for 1966 Ford Broncos

Enhance your 1966 Ford Bronco with one of the 14 Differential Axle Shafts we have in stock, starting at just $111.99.

show more show less

from

$111.99

The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

Product Features:

AXLE SHAFT 9″ 28 SPL. 66-75 BRONCO LG. BRG. 29 5/16″ R.H.

from

$141.99

AXLE SHAFT 9″ 28 SPL. 66-75 BRONCO SM. BRG. 27 1/4″ L.H.

from

$879.99

Yukon 1541H alloy rear axle kit for Ford 9″ Bronco from ’66-’75 with 35 splines. for use with 1 3/4″ brakes. kit includes both rear axles, axle studs, bearing retainers and axle bearings. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a five year warranty against manufacturing defects.

Product Features:

35 spline
Fits Ford 9″ in 1966-1975 Bronco
11″ x 1.75″ brakes
Includes two axles, axle bearings and seals, axle retainers and axle studs

from

$526.99

Yukon 1541H alloy rear axle kit for Ford 9″ Bronco from ’66-’75 with 28 splines. for use with 1 3/4″ brakes. kit includes both rear axles, axle studs, bearing retainers and axle bearings. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a five year warranty against manufacturing defects.

Product Features:

28 spline
Fits Ford 9″ in 1966-1975 Bronco
11″ x 1.75″ brakes
Includes two axles, axle bearings and seals, axle retainers and axle studs

from

$514.99

Yukon 1541H alloy rear axle kit for Ford 9″ Bronco from ’66-’75 with 31 splines. for use with 1 3/4″ brakes. kit includes both rear axles, axle studs, bearing retainers and axle bearings. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a five year warranty against manufacturing defects.

Product Features:

31 spline
Fits Ford 9″ in 1966-1975 Bronco
11″ x 1.75″ brakes
Includes two axles, axle bearings and seals, axle retainers and axle studs

from

$504.99

Yukon 1541H alloy rear axle kit for Ford 9″ Bronco from ’66-’75 with 28 splines. kit includes both rear axles, axle studs, bearing retainers and axle bearings. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a five year warranty against manufacturing defects.

Product Features:

Fits 1966-1975 Ford Bronco
Axle kit
28 spline
1.377″ I.D. bearing
Complete kit includes axles, axle bearings and seals, axle retainer and studs.

from

$315.99

Yukon 1541H alloy left hand rear axle for Ford 9″ (’66-’75 Bronco) with length of 26-15/16″ and 31 splines. for use with 11″ x 1.75″ brakes”. 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. Uses set20 bearings.

Product Features:

Fits 1966-1975 Ford Bronco
Left hand side
31 spline
26 15/16″ long
5 lug
Fits applications with 11″ x 1.75″ brakes only

from

$304.99

Yukon 1541H alloy left hand rear axle for Ford 9″ (’66-’75 Bronco) with length of 26-15/16″ and 28 splines. for use with 11″ x 1.75″ brakes. 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.

Product Features:

28 spline
5 lug
26 15/16″ long
Fits Ford 9″ in 1966-1975 Bronco
Left hand side
11″ x 1.75″ brakes

from

$304.99

Yukon 1541H alloy left hand rear axle for Ford 9″ (’66-’75 Bronco) with length of 27-1/8″ and 28 splines. for use with 10″ x 2.25″ brakes. 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.

Product Features:

28 spline
5 lug
27 1/8″ long
Fits Ford 9″ in 1966-1975 Bronco
Left hand side
10″ x 2.5″ brakes

from

$304.99

Yukon 1541H alloy right hand rear axle for Ford 9″ (’66-’75 Bronco) with length of 29-5/8″ and 28 splines. for use with 10″ x 2.25″ brakes. 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.

Product Features:

28 spline
5 lug
29 5/8″ long
Fits Ford 9″ in 1966-1975 Bronco
Right hand side
10″ x 2.5″ brakes

from

$304.99

Yukon 1541H alloy right hand rear axle for Ford 9″ (’66-’75 Bronco) with length of 29-1/4″ and 28 splines. for use with 11″ x 1.75″ brakes. 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.

Product Features:

28 spline
5 lug
29.25″ long
Fits Ford 9″ in 1966-1975 Bronco
Right hand side
11″ x 1.75″ brakes

from

$279.99

Yukon 1541H alloy right hand rear axle for Ford 9″ (’66-’75 Bronco) with length of 29.25″ and 31 splines. for use with 11″ x 1.75″ brakes. 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. Uses set20 bearings.

Product Features:

Fits 1966-1975 Ford Bronco
Right hand side
31 spline
29 1/4″ long
5 lug
Fits applications with 11″ x 1.75″ brakes only

from

$279.99

Product Features:

28 spline
5 lug
29 5/8″ long
Fits Ford 9″ in 1966-1975 Bronco
Right hand side
10″ x 2.5″ brakes

from

$209.99

Product Features:

28 spline
5 lug
27 1/8″ long
Fits Ford 9″ in 1966-1975 Bronco
Left hand side
10″ x 2.5″ brakes

Best-Selling 1966 Ford Bronco Differential Covers

Upgrade your Bronco with one of our 4 best-selling Differential Covers.

show more show less

from

$52.99

Product Features:

Fits standard rotation Dana Spicer 30
Chrome

from

$257.99

Differential

from

$201.99

Product Features:

Fits standard rotation Dana Spicer 30
Finned polished aluminum

from

$138.99

Product Features:

Fits standard rotation Dana Spicer 30
Steel

Top-Quality Differential Bearings for 1966 Ford Broncos

Choose a high-quality OEM or aftermarket Differential Bearing for Ford Broncos and enjoy top-notch performance from $10.99.

show more show less

from

$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$11.99

Pilot bearing retainer for Ford 9″.

Product Features:

Pilot bearing retainer for Ford 9″

from

$28.49

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

Top Picks for 1966 Ford Bronco Rear Differential Cover Gaskets

Invest in one of our 3 durable Rear Differential Cover Gaskets for your 1966 Ford, knowing you’re getting trusted brands and expert craftsmanship.

show more show less

from

$12.99

Product Features:

Cover gasket
Fits Dana Spicer 30

from

$11.99

9″ Ford gasket.

Product Features:

Dropout gasket
Fits Ford 9″

from

$25.99

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. Fits 1957-1981 Ford 10 bolt 9 inch ring gear.

Product Features:

.047″ thick cellulose/nitrile composite gasket material
Precision die cut
Reusable

Differential Oil for 1966 Ford Broncos

Make a smart move for your 1966 Ford Bronco with products all priced from $44.99 to $148.99.

show more show less

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

Top-Rated Differential Brands For Your 1966 Ford Bronco

When it comes to finding the perfect Differential for your 1966 Ford Bronco, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 13 trusted brands. We carry the most popular Differential brands including Powertrax, Felpro, and National, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $8.29. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1966 Ford Bronco, providing peace of mind with parts that meet or exceed OEM standards.

Popular Powertrax 1966 Ford Bronco Differentials

If you’re looking for a top-quality Differential for your 1966 Ford Bronco, Advance Auto Parts has exactly what you need with our selection of Powertrax Differentials. We have 2 Powertrax Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $350.99 and an average cost of $451.49, you’ll find the perfect Differential for your needs and budget. Powertrax Differentials for the 1966 Ford Bronco come highly rated, with over 2 customer reviews and an impressive average rating of 4.7 stars. Choosing a Powertrax Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $350.99

(1)

Lock Right Locker

“The fastest mail order i have received.”

from $551.99

(1)

No-Slip Traction System

“Installed, no issues, works great.”

Top-Quality Felpro 1966 Ford Bronco Differentials

For those in search of a high-quality Differential for their 1966 Ford Bronco, Advance Auto Parts offers a great selection of Felpro Differentials. With 2 Felpro 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 $8.29, with an average price of $9.14, giving you a range of options to suit your budget. Backed by over 18 customer ratings and an average rating of 4.6 stars, Felpro Differentials provide both reliability and excellent performance. Choosing a Felpro Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $9.99

(9)

Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket

“Right fit the first time.”

from $8.29

(9)

Axle Housing Cover Gasket: Irregular Shaped 10 Bolt Hole Gasket

“Felpro gaskets are #1 in my book. Awesome products from Felpro, I highly recommend!”

FAQs for 1966 Ford Bronco Differentials

What are the best-selling Differentials for 1966 Ford Broncos?

Out of 420 Differentials that fit 1966 Ford Broncos, 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
Differential Pinion Seal (3270688) – $23.49

What’s the price range for 1966 Ford Bronco Differentials?

The prices of Differentials for the 1966 Ford Bronco range from $1.99 up to $1,566.99 for the most premium parts.

What is the average price of a Differential for a 1966 Ford Bronco?

The average price for Differentials for the 1966 Ford Bronco is $241.84. 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 Ford Bronco model years?

Yes, we carry Differentials for 33 model years of Ford Broncos between 1967 and 2025. The following model years are the most popular for Differential purchases: 2023, 2022, 2021, 1996, 1995, 1994, 1993, 1992, and 1991.

What are the cheapest Differentials for my 1966 Ford Bronco?

The cheapest 1966 Ford Bronco Differentials we carry are:

Ring Gear Bolt (19640279) – $1.99
Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement (11642796) – $3.99
Trac Loc Ring Gear Bolt Washer For 8" And 9" Ford (11643118) – $3.99
Adjuster Lock Bolt 3.062" & 3.250" Ford 9" Drop Out (11642694) – $3.99
Replacement Oil Baffle For Model 35 IFS Front, Dana 25, 27, 30, 44 IFS & Disconnect And Dana 50 (11643451) – $4.99

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

Yes. We stock Differentials for 22 other popular 1966 Ford models. Some of the most popular are 1966 Mustang Differentials, 1966 Thunderbird Differentials, 1966 Country Squire Differentials, 1966 LTD Differentials, and 1966 Galaxie 500 Differentials.

What types of Differentials do you sell for my 1966 Ford Bronco?

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

Can I get help with 1966 Ford Bronco Differential orders?

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

What is your return policy for Ford Bronco Differentials?

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

1966 Ford Bronco Differentials

Yukon Gear – Adjuster Lock Bolt 3.062" & 3.250" Ford 9" Drop Out (Part No.32149)

Yukon Gear – Bearing Race Driver (Part No.56023)

Yukon Gear – O-Ring For Dana 30 & Model 35 Zip Locker Seal Housing (Part No.34005)

Yukon Gear – Dana 25 / 27 / 30 / 36 / 44 / 50 Pinion Seal Replacement (Part No.30128)

Yukon Gear – Crush Sleeve Eliminator Kit For Ford 9" (Part No.55041)

Yukon Gear – Dana 44 Carrier Installation Kit Replacement (Part No.57003)

Yukon Gear – Trao Loc Spring For Ford 8.8", 31 Spline (Part No.33516)

Yukon Gear – Steel Cover For Ford 8.8" (Part No.32328)

Yukon Gear – Star Washers, 3.250" Ford 9" Drop Out New Design Only (Part No.32144)

Yukon Gear – Replacement Yoke For Dana 30, 44, And 50 With 26 Spline And A 1330 U/Joint Size (Part No.41019)

Yukon Gear – Replacement Complete Shim Kit For Dana 50 (Part No.55027)

Yukon Gear – Dura Grip Positraction For Ford 8.8" With 31 Spline Axles (Part No.26006)

Yukon Gear – Pinion Gear And Thrust Washer (0.875" Shaft) For 8.8" Ford (Part No.33299)

Dorman – Axle Shaft (Part No.630-203)

Yukon Gear – Replacement Front Axle Inner Seal Redi-Sleeve For Dana 44 & 8.5" GM (Part No.30219)

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

Pro-King – Differential Cross Shaft (Part No.742G930)

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

Felpro – Axle Housing Cover Gasket: Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55019)

Yukon Gear – 3.062" Side Adjuster For Ford 9" (Part No.32139)

National – Tapered Roller Bearing Cone (Part No.M86647)

USA Standard Gear – Spartan Locker for Dana 30 Differential with 27 Spline Axles, Includes Heavy-duty Cross Pin Shaft (Part No.17000)

Yukon Gear – Dana 30 & Dana 44 Power Lok Bolt, Left Hand, & 8.75" Chrysler & 55P (Part No.33234)

Yukon Gear – Replacement Oil Baffle For Dana 44 (Part No.33000)

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT37)

Motive Gear – Differential Pinion Shim Kit (Part No.1100)

National – Shaft Repair Sleeve (Part No.99225)

Yukon Gear – Fine Thread Pinion Support Bolt (Aftermarket Aluminum Only) For 9" Ford (Part No.33243)

Motive Gear – Axle Shaft (Part No.MG3011)

Motive Gear – Axle Shaft (Part No.MG3000)

Yukon Gear – 1541H Alloy Rear Axle Kit For Ford 9" Bronco From ’66-’75 With 35 Splines (Part No.21543)

Yukon Gear – 1541H Alloy Rear Axle Kit For Ford 9" Bronco From ’66-’75 With 28 Splines (Part No.21227)

Yukon Gear – 1541H Alloy Rear Axle Kit For Ford 9" Bronco From ’66-’75 With 31 Splines (Part No.21228)

Yukon Gear – 1541H Alloy Rear Axle Kit For Ford 9" Bronco From ’66-’75 With 28 Splines (Part No.21226)

Yukon Gear – 1541H Alloy Left Hand Rear Axle For Ford 9" (’66-’75 Bronco) (Part No.21211)

Yukon Gear – 1541H Alloy Left Hand Rear Axle For Ford 9" (’66-’75 Bronco) (Part No.21219)

Yukon Gear – 1541H Alloy Left Hand Rear Axle For Ford 9" (’66-’75 Bronco) (Part No.21217)

Yukon Gear – 1541H Alloy Right Hand Rear Axle For Ford 9" (’66-’75 Bronco) (Part No.21216)

Yukon Gear – 1541H Alloy Right Hand Rear Axle For Ford 9" (’66-’75 Bronco) (Part No.21218)

Yukon Gear – 1541H Alloy Right Hand Rear Axle For Ford 9" (’66-’75 Bronco) (Part No.21210)

USA Standard Gear – Axle Shaft For ’66-’75 Ford Bronco, 28 Spline, Small Bearing, 29 5/8" Long (Part No.35033)

USA Standard Gear – Axle Shaft For ’66-’75 Ford Bronco, 28 Spline, Small Bearing, 27 1/8" Long (Part No.35034)

Yukon Gear – Replacement Chrome Cover For Dana 30 Standard Rotation (Part No.32003)

Yukon Gear – Differential (Part No.29103)

Yukon Gear – Polished Aluminum Replacement Cover For Dana 30 Standard Rotation (Part No.32021)

Yukon Gear – Steel Cover For Dana 30 Standard Rotation Front (Part No.32316)

Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

Yukon Gear – Pilot Bearing Retainer For Ford 9" (Part No.33255)

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT37)

Yukon Gear – Replacement Cover Gasket For Dana 30 (Part No.23003)

Yukon Gear – 9" Ford Gasket (Part No.23012)

Mr. Gasket – Rear End Gasket – Ford 9" – Blend Of Nitrile Rubber And Fiber For Excellent Sealing And Durability (Part No.82)

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)