1973 Ford Bronco Differentials

Essential 1973 Ford Bronco Differentials

Yukon Gear – Forged Yoke For Ford 9" With 28 Spline Pinion And A 1350 U/Joint Size (Part No.41064)

Forged Yoke For Ford 9" With 28 Spline Pinion And A 1350 U/Joint Size

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$209.99
Yukon forged yoke for Ford 9″ with 28 spline pinion and 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 9″
  • 28 spline
  • 1350 u-joint size
  • 3.625″ snap ring span
  • 1.188″ cap diameter
  • Outside snap ring design
  • U-bolt style
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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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Yukon Gear – Seal Housing For Dana 44, Zip Locker, With O-Rings (Part No.34013)

Seal Housing For Dana 44, Zip Locker, With O-Rings

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$83.99
Product Features:
  • Seal housing for Dana Spicer 44
  • Includes o-rings
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Yukon Gear – Spring Kit For Dana 28, Model 35IFS, Dana 44IFS & Dana 50IFS With Grizzly, Detroit, Tt Or Pl (Part No.33263)

Spring Kit For Dana 28, Model 35IFS, Dana 44IFS & Dana 50IFS With Grizzly, Detroit, Tt Or Pl

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$44.99
Product Features:
  • Spring kit for Dana Spicer 28, AMC Model 35 IFS, Dana Spicer 44 IFS and Dana Spicer 50 IFS
  • Allows for installation of positraction or locker
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Yukon Gear – Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement (Part No.33163)

Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement

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$3.99
Replacement pinion nut washer for Dana 25, 27, 30, 36, 44 & 53.

Product Features:
  • Pinion nut washer for Dana Spicer 25, 27, 30, 44 and 50
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Yukon Gear – Carrier Installation Kit For Ford 8.8" Differential (Part No.57007)

Carrier Installation Kit For Ford 8.8" Differential

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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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USA Standard Gear – Spartan Locker For Ford 8.8", 31 Spline, Includes Heavy-Duty Cross Pin Shaft (Part No.17005)

Spartan Locker For Ford 8.8", 31 Spline, Includes Heavy-Duty Cross Pin Shaft

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$649.99
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.

Product Features:
  • Fits Ford 8.8″ with 31 spline axles and 7/8″ cross pin shaft
  • Made from 9310 steel for added strength
  • Replaces the spiders in a standard carrier case
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Royal Purple – Max Automatic Transmission Fluid (1 Quart) (Part No.01320)

Max Automatic Transmission Fluid (1 Quart)

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$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
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FAG US – SHAFT SEAL (Part No.SS2934)

SHAFT SEAL

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$19.79
SHAFT SEAL

Yukon Gear – Replacement Oil Baffle For Model 35 IFS Front, Dana 25, 27, 30, 44 IFS & Disconnect And Dana 50 (Part No.33002)

Replacement Oil Baffle For Model 35 IFS Front, Dana 25, 27, 30, 44 IFS & Disconnect And Dana 50

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$4.99
Product Features:
  • Oil baffle for Dana Spicer 30, Dana Spicer 44 IFS, Dana Spicer 50, AMC Model 35 IFS
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Yukon Gear – Ford 9" Pinion Support, 35 Spline, 10 Hole, No Races Included (Part No.32165)

Ford 9" Pinion Support, 35 Spline, 10 Hole, No Races Included

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$569.99
Ford 9″ pinion Support, 35 spline, 10 hole, no races included.

Product Features:
  • Fits Ford 9″ with 35 spline pinion
  • Larger inner pinion bearing reduces gear deflection under high load
  • 6061 aluminum
  • 10 bolt holes
  • Does not include races
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Yukon Gear – Pinion Install Kit For Ford 9" Differential (Part No.13042)

Pinion Install Kit For Ford 9" Differential

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$175.99
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″ without aftermarket Daytona pinion support
  • Included are pinion bearings and races, pinion seal, pilot bearing , crush sleeve , complete pinion shim kit, and marking compound with brush.
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USA Standard Gear – 9" Ford Spartan Locker Cross Pin, Extra Short (Part No.17044)

9" Ford Spartan Locker Cross Pin, Extra Short

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$22.99
9″ FORD SPARTAN LOCKER EXTRA SHORT Cross Pin SHAFT .

Product Features:
  • USA Standard Gear heavy-duty cross pin shaft
  • Fits Ford 9″
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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 – Cover Bolt For Ford 7.5", 8.8" & 9.75" (Part No.33554)

Cover Bolt For Ford 7.5", 8.8" & 9.75"

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$6.99
Yukon 1541H alloy replacement rear axle for Dana 60, 70, and 80, 35 spline. (40″ to 43.5″) Full float axle (8×3.96″ ). 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. This is a full-floating axle.

Product Features:
  • 35 spline
  • 8 x 3.96″ bolt pattern
  • Cut to length design fits 40″-43.5″ applications
  • Fits Dana Spicer 60, 70 and 80
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National – Bearings (Part No.M86647)

Bearings

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$27.49
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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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

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

Dana 30 & Dana 44 Power Lok Bolt, Left Hand, & 8.75" Chrysler & 55P

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$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
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Powertrax – Lock Right Locker (Part No.1810-LR)

Lock Right Locker

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$339.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
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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 – Replacement Pinion Nut For Dana 25, 27, 30, 36, 44, 53 & GM 7.75" (Part No.33143)

    Replacement Pinion Nut For Dana 25, 27, 30, 36, 44, 53 & GM 7.75"

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    $6.99
    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 t

    Product Features:
    • Pinion nut for Dana Spicer 25, 27, 30, 44, 50 and GM 7.75″
    • 3/4″ x 16 thread
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    Yukon Gear – 8.8" Ford Cover Gasket (Part No.23011)

    8.8" Ford Cover Gasket

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    $12.99
    8.8″ Ford cover gasket.

    Product Features:
    • Cover gasket
    • Fits Ford 8.8″
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    Yukon Gear – Star Washers, 3.062" Ford 9" Drop Out New Design Only (Part No.32143)

    Star Washers, 3.062" Ford 9" Drop Out New Design Only

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    $4.99
    STAR washers, 3.062″ Yukon Ford 9″ Drop Out new design ONLY.

    Product Features:
    • Star washer
    • Fits Ford 9″
    • 3.062″ designs only
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    Yukon Gear – Pinion Gear And Thrust Washer For 8" And 9" Ford, Model 20, And 7.25" Chrysler (Part No.33301)

    Pinion Gear And Thrust Washer For 8" And 9" Ford, Model 20, And 7.25" Chrysler

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    $4.99
    Pinion gear thrust washer for 8″ and 9″ Ford, Model 20, and 7.25″ Chrysler.

    Product Features:
    • Pinion gear thrust washer for Ford 8″, Ford 9″ and Chrysler 7.25″
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    Yukon Gear – Crush Sleeve Eliminator Kit For Ford 9" For 35 Spline Pinion (Part No.55042)

    Crush Sleeve Eliminator Kit For Ford 9" For 35 Spline Pinion

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    $175.99
    9″ large solid pinion preload spacer & shim kit for 35 spline pinion.

    Product Features:
    • Crush sleeve eliminator kit for Ford 9″ with 35 spline pinion
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    Yukon Gear – 20 Long Air Line For Zip Locker (Part No.34002)

    20 Long Air Line For Zip Locker

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    $29.99
    20 long air line for Zip Locker.

    Product Features:
    • Air line
    • 20′ in length
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    Yukon Gear – Replacement Front Axle Inner Seal Redi-Sleeve For Dana 44 & 8.5" GM (Part No.30219)

    Replacement Front Axle Inner Seal Redi-Sleeve For Dana 44 & 8.5" GM

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    $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
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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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    Popular 1973 Ford Bronco Differentials Categories

    1973 Ford Bronco Differentials

    Maybe you’re in the middle of a full rebuild of that 1973 Ford Bronco. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 519 different Differentials in our inventory ranging from $1.99 to $1,566.99. That means you can find the exact parts or products you need to keep that 1973 Ford Bronco running smoothly.

    Differentials are only as good as their brand. We stock 15 different brands to make sure you have plenty of trusted parts to choose from for your 1973 Ford Bronco. Yukon Gear, National, 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 1973 Ford Bronco, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 376 reviews in this category, some of the top rated parts include Multi Purpose Seal with 5.0 stars and Oil Seal with 4.3 stars.

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

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1973 Ford Bronco 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 Bronco 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 Differential Open Unit and Components categories, plus more. For a 1973 Ford Bronco, our most popular Powertrax Differentials include:
    No-Slip Traction System
    from $551.99
    (1)
    No-Slip Traction System
    Differential Open Unit and Components

    Top 1973 Ford Bronco Differentials from Felpro

    Felpro products are another trusted brand when it comes to Differentials for your 1973 Ford Bronco. Popular Felpro parts include:
    Axle Housing Cover Gasket
    from $6.49
    (10)
    Axle Housing Cover Gasket
    Rear Housing Cover Gaskets
    Differential Carrier Gasket
    from $8.49
    (9)
    Differential Carrier Gasket
    Automatic Transmission Differential Cover Gaskets

    FAQs for 1973 Ford Bronco Differentials

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

    Out of 519 Differentials for the 1973 Ford Bronco, the most popular in our inventory are:
    3 Qt - 80W90 Conventional Gear Oil With Posi Additive
    from $57.99
    This product is not rated
    3 Qt – 80W90 Conventional Gear Oil With Posi Additive
    Differential Oil
    Bearings
    from $9.99
    (8)
    Bearings
    Rear Differential Pinion Bearings
    Multi Purpose Seal
    from $23.29
    (4)
    Multi Purpose Seal
    Differential Pinion Seals

    What are the top-rated 1973 Ford Bronco Differentials?

    Top-rated Differentials for your 1973 Ford Bronco based on customer reviews/ratings are:
    Multi Purpose Seal
    from $15.79
    (3)
    Multi Purpose Seal
    “good quality”
    Oil Seal
    from $10.49
    (3)
    Oil Seal
    “Fit the rear Dana 44 on my TJ just fine and stopped the leaking.”
    Bearings
    from $38.49
    (2)
    Bearings
    “nice finish and function. Should perform well.”