1966 Ford Mustang Differentials

Essential 1966 Ford Mustang Differentials

Yukon Gear – Grizzly Locker For Ford 9" Differential With 35 Spline Axles, Racing Design, For Load Bolt D/O (Part No.28030)

Grizzly Locker For Ford 9" Differential With 35 Spline Axles, Racing Design, For Load Bolt D/O

from

$1211.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! This unit has been approved for competition in NASCAR National & Touring series. This is a race unit designed for extreme off road use or racing. All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″ & 10″ dropouts.

Product Features:
  • Fits Ford 9″ with 35 spline axles and loadbolt housing
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
  • Aggressive design for racing applications only
See More

Yukon Gear – 9" Ford Pinion Nut, 35 Spline Large Pinion Oversize (Part No.33161)

9" Ford Pinion Nut, 35 Spline Large Pinion Oversize

from

$26.99
9″ Ford pinion nut, 35 spline Large pinion oversize.

Product Features:
  • Pinion nut
  • Fits Ford 9″ with 35 spline pinion
See More

Royal Purple – Max Automatic Transmission Fluid (1 Quart) (Part No.01320)

Max Automatic Transmission Fluid (1 Quart)

from

$19.49
Max ATF is a synthetic, high-performance, automatic transmission fluid. Its low co-efficient of friction and high film strength help to dramatically reduce heat and wear. Additionally, Max ATF is more oxidation stable than other transmission fluids for longer fluid life. Max ATF significantly reduces heat to extend the life of your transmission.

Product Features:
  • High performance automatic transmission fluid
  • High film strength helps to dramatically reduce heat and wear
  • Fully compatible and can be mixed with other automatic transmission fluids
  • Extends the life of your transmission
See More

Yukon Gear – Ford 9" Nodular Daytona Style Pinion Support (Part No.32164)

Ford 9" Nodular Daytona Style Pinion Support

from

$175.99
Product Features:
  • Fits Ford 9″ with 28 spline pinion
  • Larger inner pinion bearing reduces gear deflection under high load
  • Nodular iron
  • Does not include races
See More

Felpro – Differential Carrier Gasket (Part No.RDS 13270)

Differential Carrier Gasket

from

$4.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Yukon Gear – Pinion Support Bolt For 8" And 9" Ford (Part No.33242)

Pinion Support Bolt For 8" And 9" Ford

from

$6.99
Pinion support bolt for 8″ and 9″ Ford.

Product Features:
  • Pinion support bolt for Ford 8″ and 9″
  • 3/8″ x 24 thread
  • 1.0″ long
See More

Yukon Gear – Bearing Race Driver (Part No.56022)

Bearing Race Driver

from

$188.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M86610 race
  • All steel construction
See More

Dorman – Differential Pinion Yoke Assembly (Part No.697-532)

Differential Pinion Yoke Assembly

from

$176.99
Worn or damaged differential end yoke causing driveline vibrations? This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.

Product Features:
  • Direct replacement – this differential end yoke matches the fit and construction of the original yoke
  • Excellent value – this replacement end yoke offers original equipment quality at a fraction of the price of dealer parts
  • Quality materials – this end yoke is machined from cast iron for strength and is precision machined for reliability
  • Validated fit – this differential end yoke has been tested to confirm accurate fit
See More

Yukon Gear – Side Gear And Thrust Washer (0.875" Shaft) For 8.8" Ford (Part No.33300)

Side Gear And Thrust Washer (0.875" Shaft) For 8.8" Ford

from

$11.99
Side gear thrust washer (0.875″ shaft) for 8.8″ Ford.

Product Features:
  • Side gear thrust washer for Ford 8.8″
  • 0.875″ diameter cross pin shaft applications only
See More

Yukon Gear – Side Gear With Hub For 8" And 9" Ford With 28 Splines (Part No.16163)

Side Gear With Hub For 8" And 9" Ford With 28 Splines

from

$46.99
Side gear with hub for 8″ and 9″ Ford with 28 splines.

Product Features:
  • Side gear with hub
  • Fits Ford 8″ and 9″ standard open differential and Trac Loc positraction with 28 spline axles
See More

Yukon Gear – Pilot Bearing For Ford 9" (Part No.18042)

Pilot Bearing For Ford 9"

from

$38.99
8.6″ GM 99-08 PINION Bearing & SEAL KIT .

Product Features:
  • Pilot bearing
  • Fits Ford 9″
  • 0.656″ thick
See More

Driveworks – Tapered Roller Bearing (Part No.S-HM-89443)

Tapered Roller Bearing

from

$20.29
Product Features:
  • Brand may vary by location
See More

Yukon Gear – 8.8" Ford Tracloc Clutch Set, Both Sides (Part No.16018)

8.8" Ford Tracloc Clutch Set, Both Sides

from

$241.99
8.8″ Ford TracLoc (with short ears–for late models only) clutch set, both sides.

Product Features:
  • Clutch kit
  • Fit Ford 8.8″ Trac Loc positraction
See More

Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.SS9)

Differential Pinion Solid Spacer Kit w/Shims

from

$45.99
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
See More

Motive Gear – Differential Gear Install Kit (Part No.F8.8IK)

Differential Gear Install Kit

from

$35.99


Product Features:
  • MINI INSTALL KIT FORD 8.8
See More

Yukon Gear – Steel Spool For Ford 9" With 40 Spline Axles (Part No.32182)

Steel Spool For Ford 9" With 40 Spline Axles

from

$389.99
Yukon Performance 2-3/16″ deck steel spool for 9″ Ford with 40 spline axles. Spool uses 2″ journal bearings (45 degree). Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Ford 9″ with 40 spline axles
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
See More

Yukon Gear – Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25" (Part No.33022)

Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25"

from

$8.99
Replacement outer oil slinger for Ford 7.5″, 8.8″, 9″, 10.25″, Nissan Titan rear, Dana 44 Rubicon & 44 JK non-Rubicon.

Product Features:
  • Outer oil slinger for Ford 10.25″, 7.5″, 8.8″ and 9″ also Jeep JK and Nissan Titan rear
See More

Motive Gear – Differential Mini Spool (Part No.MS88-31)

Differential Mini Spool

from

$101.99


Product Features:
  • MINI SPOOL 8.8 FORD 31SPL
See More

Yukon Gear – Standard Open Spider Gear Kit For 9" Ford With 31 Spline Axles And 4-Pinion Design (Part No.16034)

Standard Open Spider Gear Kit For 9" Ford With 31 Spline Axles And 4-Pinion Design

from

$317.99
Yukon standard open spider gear kit for 9″ Ford with 31 spline axles and 4-pinion design. 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 Ford 9″ open differential with 31 spline axles
  • Includes two side gears, four pinion gears, cross pin shaft, roll pins and spider gear thrust washers.
See More

Yukon Gear – 8" Ford O-Ring (Part No.30027)

8" Ford O-Ring

from

$9.99
8″ Ford O-ring.

Product Features:
  • Pinion support o-ring
  • Fits Ford 8″
See More

Yukon Gear – 8.8" Ford Cover Gasket (Part No.23011)

8.8" Ford Cover Gasket

from

$12.99
8.8″ Ford cover gasket.

Product Features:
  • Cover gasket
  • Fits Ford 8.8″
See More

Yukon Gear – Pinion Install Kit For Ford 9" Differential, 28 Spline, Oversize (Part No.13052)

Pinion Install Kit For Ford 9" Differential, 28 Spline, Oversize

from

$434.99
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 Ford 9″ with oversize Daytona pinion support
  • 28 spline
  • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, complete pinion shim kit, and marking compound with brush.
See More

Yukon Gear – High Performance Ring & Pinion Gear Set For Ford 8" In A 3.25 Ratio (Part No.24344)

High Performance Ring & Pinion Gear Set For Ford 8" In A 3.25 Ratio

from

$489.99
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 Ford 8″
  • 8.00″ ring gear diameter
  • 25 spline pinion
  • 10 ring gear bolts
  • 3.25 ratio
See More

USA Standard Gear – Master Overhaul Kit For 2010-2014 Ford Mustang (Part No.37080)

Master Overhaul Kit For 2010-2014 Ford Mustang

from

$208.99
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 2010 Ford 8.8″ in F150 and 2010 and up 8.8″ in Ford Mustang
  • 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.
See More

Yukon Gear – Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16042)

Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

from

$41.99
Product Features:
  • Shim kit
  • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
See More

Yukon Gear – Pinion Depth Shims For Ford 9" With 7/16" Studs (Part No.55057)

Pinion Depth Shims For Ford 9" With 7/16" Studs

from

$76.99
Product Features:
  • Pinion depth shim kit
  • Fits Ford 9″ with 7/16″ pinion support bolts
See More

National – Multi Purpose Seal (Part No.3604)

Multi Purpose Seal

from

$11.99
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
See More

SKF – Pinion Seal (Part No.J7010427782SKF)

Pinion Seal

from

$15.46
Pinion Seal

Popular 1966 Ford Mustang Differentials Categories

1966 Ford Mustang Differentials

Maybe you’re in the middle of a full rebuild of that 1966 Ford Mustang. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 385 different Differentials in our inventory ranging from $1.99 to $1,211.99. That means you can find the exact parts or products you need to keep that 1966 Ford Mustang running smoothly.

Differentials are only as good as their brand. We stock 12 different brands to make sure you have plenty of trusted parts to choose from for your 1966 Ford Mustang. Driveworks, National, and Yukon Gear are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 1966 Ford Mustang, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 440 reviews in this category, some of the top rated parts include Bearings with 4.8 stars and Multi Purpose Seal with 5.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1966 Ford Mustang rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 1966 Ford Mustang Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1966 Ford Mustang demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Mustang the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Felpro Differentials

We carry Felpro parts in our stock across Automatic Transmission Differential Carrier Gaskets categories, plus more. For a 1966 Ford Mustang, our most popular Felpro Differentials include:
Differential Carrier Gasket
from $8.49
(9)
Differential Carrier Gasket
Automatic Transmission Differential Carrier Gaskets

Top 1966 Ford Mustang Differentials from Driveworks

Driveworks products are another trusted brand when it comes to Differentials for your 1966 Ford Mustang. Popular Driveworks parts include:
Taper Bearing Set
from $10.29
(38)
Taper Bearing Set
Differential Bearings
Tapered Cone/Cup Wheel Bearing Set
from $13.99
(14)
Tapered Cone/Cup Wheel Bearing Set
Differential Bearings

FAQs for 1966 Ford Mustang Differentials

What are the most purchased Differentials for the 1966 Ford Mustang?

Out of 385 Differentials for the 1966 Ford Mustang, the most popular in our inventory are:
Bearings
from $16.99
(25)
Bearings
Differential Bearings
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil
Bearings
from $15.99
(9)
Bearings
Front Differential Pinion Bearings

What are the top-rated 1966 Ford Mustang Differentials?

Top-rated Differentials for your 1966 Ford Mustang based on customer reviews/ratings are:
Bearings
from $10.49
(4)
Bearings
“Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”
Multi Purpose Seal
from $15.79
(3)
Multi Purpose Seal
“good quality”
Bearings
from $18.79
(3)
Bearings
“as advertised”