1973 Ford Mustang Differentials

Essential 1973 Ford Mustang Differentials

Yukon Gear – Positraction Internals For 8.8" Ford With 31 Spline Axles (Part No.16016)

Positraction Internals For 8.8" Ford With 31 Spline Axles

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$329.99
Yukon positraction internals for 8.8″ Ford with 31 spline axles. This kit fits Yukon Gura Grip & Eaton positractions. 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 8.8″ with Yukon Dura Grip positraction with 31 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
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Yukon Gear – Silver Aluminum Pinion Supprt For 9" Ford Daytona (Part No.32037)

Silver Aluminum Pinion Supprt For 9" Ford Daytona

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$269.99
Plain Silver aluminum pinion Supprt for 9″ Ford Daytona, HD 6061.

Product Features:
  • Fits Ford 9″ with 28 spline pinion
  • Larger inner pinion bearing reduces gear deflection under high load
  • Races installed
  • 6061 aluminum
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Yukon Gear – Master Overhaul Kit For Ford 9" Lm501310 Differential (Part No.14053)

Master Overhaul Kit For Ford 9" Lm501310 Differential

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$279.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses carrier bearings & races with an I.D. of 1.625″ and an O.D. of 2.891″. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit are carrier bearings and races, pinion bearings and races, pilot bearing, pinion seal, complete shim kit, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), Thread locking compound, and marking compound with brush. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application.

Product Features:
  • Fits Ford 9″ with LM501310 carrier race
  • Included are Timken bearings and races, pinion bearings and races, pilot bearing, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve , thread locker, marking compound with brush, and gasket.
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Yukon Gear – Cross Pin Bolt (Part No.33067)

Cross Pin Bolt

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$6.99
Cross pin bolt for Chrysler 8.25″, 9.25″ rear, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 7.2″ IFs, 7.5″, 7.6″, 8.0″, 8.25″ IFS & 8.5″.

Product Features:
  • Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 botl car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS
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Yukon Gear – Extra HD 3.250" Nodular Iron Dropout For Ford 9" With Load Bolt (Part No.32151)

Extra HD 3.250" Nodular Iron Dropout For Ford 9" With Load Bolt

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$877.99
Yukon Extra HD 3.250″ nodular Iron dropout for Ford 9″ with load bolt. Yukon nodular iron dropouts feature a 5/8″ cap bolt and forged caps for maximum strength. Load bolt design prevents gear deflection under heavy loads. Rated up to 1400HP!

Product Features:
  • Fits Ford 9″
  • 3.250″ carrier race diameter
  • Nodular iron for added strength
  • Load-bolt design reduces ring gear deflection under high horsepower
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Yukon Gear – One (1) Specialty Bearing Race To Adapt Small Bearing Journal Into A 3.250" Dropout (Part No.32157)

One (1) Specialty Bearing Race To Adapt Small Bearing Journal Into A 3.250" Dropout

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

Differential Carrier Gasket

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$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
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Yukon Gear – Pinion Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford (Part No.33297)

Pinion Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford

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$8.99
Pinion gear thrust washer (0.750″ shaft) for 8.8″ Ford.

Product Features:
  • Pinion gear thrust washer
  • Fits Ford 8.8″
  • 0.750″ I.D.
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USA Standard Gear – Ring & Pinion Gear Set For Ford 9" In A 6.50 Ratio (Part No.36153)

Ring & Pinion Gear Set For Ford 9" In A 6.50 Ratio

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$313.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:
  • Fits Ford 9″
  • 9.00″ ring gear diameter
  • 28 spline pinion
  • 10 ring gear bolts
  • 6.50 ratio
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National – Shaft Repair Sleeve (Part No.99199)

Shaft Repair Sleeve

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$37.99
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
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Dorman – Differential Pinion Yoke Assembly (Part No.697-539)

Differential Pinion Yoke Assembly

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$125.99
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
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Yukon Gear – 8.8" Ford Tracloc Clutch Set, Both Sides (Part No.16017)

8.8" Ford Tracloc Clutch Set, Both Sides

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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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Yukon Gear – O-Ring For 9" Ford (Part No.30028)

O-Ring For 9" Ford

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$14.99
O-ring for 9″ Ford.Yukon Mighty seal.

Product Features:
  • Pinion support o-ring
  • Fits Ford 9″
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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

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

Pinion Support Bolt For 8" And 9" Ford

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$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
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Motive Gear – Differential Pinion Seal (Part No.3604)

Differential Pinion Seal

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$5.79
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 o
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Spartan – Drive Axle Assembly; Ford Mustang 99-04 Axle (Part No.RAX1962A)

Drive Axle Assembly; Ford Mustang 99-04 Axle

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$1422.99
Remanufactured Rear Axle assemblies are completely disassembled, thoroughly cleaned and reassembled using new wear parts. Units are assembled, sealed & include backing plates, axle shafts & fluid.

Product Features:
  • Rear axles are assembled with backing plates & axle shafts, and filled with fluid prior to shipping
  • Axles are fully painted & shipped securely in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • Our complete Rear axle assemblies mean you just hang brakes, connect suspension & go! Your installation will be simple and trouble free
  • Remember to match axle ratio to original. For 4WD rear axle must match front axle ratio
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Yukon Gear – Bearing Race Driver (Part No.56020)

Bearing Race Driver

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$215.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M802011 race
  • All steel construction
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Yukon Gear – Crush Sleeve (Part No.33093)

Crush Sleeve

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$10.99
Crush Sleeve for Model 35, Chrysler 7.25″, 8.25″ Ford 8″ & GM 7.75″. Approx 0.495″ long.

Product Features:
  • Crush sleeve for AMC Model 35, Chrysler 7.25″ and 8.25″, Ford 8″ and GM 7.75″
  • 0.495″ tall
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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"

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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
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Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

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$12.79
Product Features:
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks
  • Long-life friction modifiers and premium base oils help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • Enhanced cleaning additives help reduce varnish formation and keep the transmission running properly longer
  • Engineered with a unique blend of viscosity modifiers and base oils to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.SS9)

Differential Pinion Solid Spacer Kit w/Shims

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$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!
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Felpro – Differential Carrier Gasket (Part No.RDS 55074)

Differential Carrier Gasket

from

$8.49
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
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Yukon Gear – Dropout Housing Stud For Ford 8" & 9" (Part No.32338)

Dropout Housing Stud For Ford 8" & 9"

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$7.99
Product Features:
  • Housing stud
  • Fits Ford 8″ and 9″
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Yukon Gear – Trac Loc For Ford 9" Wtih 31 Spline Axles – Aggressive Design (Part No.26009)

Trac Loc For Ford 9" Wtih 31 Spline Axles - Aggressive Design

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$784.99
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 9″ with 31 spline axles
  • Trac Loc positraction
  • Clutch style positraction
  • Aggressive 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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Richmond Gear – RngPnnInstlKt (Part No.83-1011-B)

RngPnnInstlKt

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$48.99
RngPnnInstlKt

Motive Gear – Differential Mini Spool (Part No.MS9-31)

Differential Mini Spool

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$31.99


Product Features:
  • MINI SPOOL 8″ & 9″ 31 SPLN STL 090431
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Driveworks – Taper Bearing Cone (Part No.S-M-86649)

Taper Bearing Cone

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$8.79
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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1973 Ford Mustang Differentials

Maybe you’re in the middle of a full rebuild of that 1973 Ford Mustang. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 380 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 1973 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 1973 Ford Mustang. National, Driveworks, 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 1973 Ford Mustang, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,155 reviews in this category, some of the top rated parts include Multi Purpose Seal with 5.0 stars and Multi Purpose Seal with 5.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1973 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 1973 Ford Mustang Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1973 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 1973 Ford Mustang, our most popular Felpro Differentials include:
Differential Carrier Gasket
from $8.49
(9)
Differential Carrier Gasket
Automatic Transmission Differential Carrier Gaskets

Top 1973 Ford Mustang Differentials from National

National products are another trusted brand when it comes to Differentials for your 1973 Ford Mustang. Popular National parts include:
Bearings
from $15.99
(9)
Bearings
Front Differential Pinion Bearings
Bearings
from $6.99
(6)
Bearings
Differential Bearings
Bearings
from $10.49
(4)
Bearings
Rear Differential Pinion Bearings

FAQs for 1973 Ford Mustang Differentials

What are the most purchased Differentials for the 1973 Ford Mustang?

Out of 380 Differentials for the 1973 Ford Mustang, the most popular in our inventory are:
Tapered Cone/Cup Wheel Bearing Set
from $13.99
(14)
Tapered Cone/Cup Wheel Bearing Set
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 $18.79
(3)
Bearings
Front Differential Pinion Bearings

What are the top-rated 1973 Ford Mustang Differentials?

Top-rated Differentials for your 1973 Ford Mustang based on customer reviews/ratings are:
Multi Purpose Seal
from $15.79
(3)
Multi Purpose Seal
“good quality”
Multi Purpose Seal
from $11.79
(2)
Multi Purpose Seal
“Worked great on this 1966 Mustang w/ 8″ rear end.”
Bearings
from $38.49
(2)
Bearings
“nice finish and function. Should perform well.”