2003 Ford Mustang Differentials

Find your specific 2003 Ford Mustang original or aftermarket Differentials below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.

Essential 2003 Ford Mustang Differentials

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$315.99

Yukon standard open spider gear kit for and 9″ Ford with 28 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
Fits Ford 8″ and 9″ open differential with 28 spline axles
Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

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$34.99

The tremendous shock loads generated at launch by most any drag racing vehicle equipped with today sticky tire compounds or the acceleration and deceleration of oval track cars put considerable strain on the ring gear. For this reason, the fastener experts at ARP have developed the Pro Series ring gear bolts. they are forged from premium grade 8740 chrome moly steel and are heat treated to a nominal rating of 200,000 PSI tensile strength. Specially hardened, precision ground washers are included where required. Available to fit most any ring gear setup ranging from popular 9 Inch Ford GM 10 and 12 bolt rear ends to the beefy strange differentials found in top fuel and funny car applications.

Product Features:

Forged From Premium Grade 8740 Chrome Moly Steel
Heat Treated
Nominally Rated At 200,000 Psi Tensile Strength
Specially Hardened, Precision Ground Washers
0.75″ Underhead Length
200,000 PSI
Sold As A Set

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$67.99

Trac Loc spring
Fits Ford 7.5″

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$59.99

Product Features:

Super carrier shim kit for Ford 8.8″, GM 12 bolt passenger car and truck, GM 8.0″, 8.6″, 8.6″ IRS and 1963-1979 Corvette
Interlocking design makes installation much easier

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$889.99

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-Trac Loc uses a nodular case, billet side hat, and forged internals for higher strength than stock Trac-Locs. The units use composite clutches for high performance and long life. All units are Rebuildable. Yukon offers a one year warranty against manufacturing defects.

Product Features:

Fits Ford 8″ with 28 spline axles
Trac Loc positraction
Clutch style positraction
Street design
Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
Fully rebuildable
Assembled in the USA

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$207.99

8.8″ Ford TracLoc (with long ears–for early models only) clutch set, both sides.

Product Features:

Clutch kit
Fit Ford 8.8″ Trac Loc positraction

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$24.45

Timken fuel efficient bearings are used in automotive axles to improve fuel economy, reduce weight, lower operating temperatures, minimize noise and increase reliability. Engineered surfaces help protect bearing components by minimizing skidding and sliding damage while withstanding small-particle contamination.

Product Features:

OE Quality
Made from quality Timken certified steel
Design features original equipment technology that optimizes bearing performance and lengthens maintenance intervals
Design allows bearings to carry evenly distributed loads
Power dense design reduces bearing weight

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$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

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$309.99

Ring/Pinion Sets

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$284.99

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 Daytona pinion support
Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, complete pinion shim kit, and marking compound with brush.

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$232.99

Axle shaft damaged or bearings worn out? 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

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$127.99

Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:

KT BRNG.&SEAL FORD MSTR 9

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$40.99

Product Features:

Made of Superior Hyper-Flex+ Material

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$315.99

Yukon positraction internals for 8″ and 9″ Ford with 28 spline axles, in a 4-pinion design. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects.

Product Features:

Spider gear kit
Fits Ford 9″ with Trac Loc positraction with 28 spline axles
Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

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$2.79

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

Product Features:

All products are designed to meet or exceed OE quality, form, fit and funtion.

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$10.49

Product Features:

SOLID SPACER FORD 8.8″ & 9″

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$35.99

Product Features:

MINI INSTALL KIT FORD 8.8

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$262.99

This differential disc kit is a low-cost, time-saving repair solution for the posi-traction function. They are designed to match the fit and performance of the original disc on specific vehicle years, makes and models.

Product Features:

Direct replacement – this differential clutch kit provides the necessary components for repairing the original equipment on specific vehicles.
Quality materials – all components are built for reliable longevity and performance.
Smart solution – provides original equipment fit and function for a competitive price compared to original manufacturer
Trustworthy quality – backed by team of designers and engineers in the United States

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$134.99

Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Ford 8.8″ differential. This kit contains carrier bearings, races and shims.

Product Features:

Fits Ford 8.8″
Includes carrier bearings and races and “super” carrier shim kit

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$11.49

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

Premium bearing design matches OEM specifications
Precision manufactured using premium-grade steel for outstanding durability and performance
Crowned raceways and rollers to ensure even load distribution for maximum life
Industry leading coverage
Professional technicians know they can depend on National

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$246.99

Yukon forged yoke for Ford 8.8″ with a 1350 U/joint size (stronger than billet). 3.625″ snap ring span, 1.188″ 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
1350 u-joint size
Outside snap ring design
3.625″ snap ring span
1.188″ cap diameter
U-bolt style

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$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

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$5.99

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

Product Features:

All products are designed to meet or exceed OE quality, form, fit and funtion.

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$51.99

One (1) specialty bearing race to adapt small bearing journal into a 3.250″ dropout. This adapter allows the use of a 28 or 31 spline carrier, positraction or locker in a 3.250″ dropout. This is a perfect solution if you are currently running 28 or 31 spline axles but are looking to upgrade to 35 spline later, or are stepping down from 35 spline but don’t want to buy a new dropout.

Product Features:

Carrier race
Fits Ford 9″
Conversion race to install small bearing carrier into 3.250″ dropout

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$309.99

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

Product Features:

All products are designed to meet or exceed OE quality, form, fit and funtion.

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$218.99

Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100% power to both tires at all times. These units are not recommended for street-driven vehicles. We recommend full spools for vehicles with large tires or high horsepower. These units come with a one year warranty against manufacturing defects.

Product Features:

Fits Ford 8.8″ with 28 spline axles
Provides 100% traction to both wheels at all times
Installs into standard open carrier case

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$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

Popular 2003 Ford Mustang Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Pinion Flanges

Differential Axle Shafts

Differential Pinion Pilot Bearings

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Disc Kits

Differential Clutch Packs

Differential Ring and Pinions

Differential End Yokes

Differential Spools

Differential Carrier Bearings

Differential Lock Springs

Differential Carrier Bushings

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Carrier Bearing Shims

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Oil Deflectors

Differential Ring and Pinion Kits

Limited Slip Differential Assemblies

Differential Spider and Pinion Gear Kits

Differential Pinion Bearing Spacers

Differential Carrier Bearing Races

Maybe you’re in the middle of a full rebuild of that 2003 Ford Mustang. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 255 different Differentials in our inventory ranging from $0.99 to $2,064.99. That means you can find the exact parts or products you need to keep that 2003 Ford Mustang running smoothly.

Differentials are only as good as their brand. We stock 24 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Ford Mustang. Valvoline, Royal Purple, and FELPRO 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 2003 Ford Mustang, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,709 reviews in this category, some of the top rated parts include Differential Shaft Lock Bolt with 4.0 stars and Differential Master Bearing Kit – Timken with 4.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 2003 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 2003 Ford Mustang Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 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 Powertrax Differentials

We carry Powertrax parts in our stock across Complete Differentials categories, plus more. For a 2003 Ford Mustang, our most popular Powertrax Differentials include: