1974 Ford Thunderbird Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1974 Ford Thunderbird in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1974 Ford Thunderbird looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Differential Cover Gaskets, Differential Bearings, and Differential Pinion Seals. 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, Felpro, and Powertrax. For example, National Differentials start at just $17.99 with an average 4.3 star rating. Felpro and Powertrax offer similar pricing and quality, backed by strong customer feedback. With over 162 reviews and a solid 5 star average, you can shop with confidence knowing other Ford Thunderbird owners approve.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1974 Ford Thunderbird in peak condition, inside and out.

Essential 1974 Ford Thunderbird Differentials

Motive Gear – Differential Gear Install Kit (Part No.F9IK)

Differential Gear Install Kit

from

$33.99
Product Features:
  • MINI INSTALL KIT FORD 9″
See More

Felpro – Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55074)

Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket

from

$9.99
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
  • 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 – 3.062" Side Adjuster For Ford 9" (Part No.32139)

3.062" Side Adjuster For Ford 9"

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
See More

Motive Gear – Differential Pinion Nut (Part No.379570S)

Differential Pinion Nut

from

$6.99
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

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

Trao Loc Spring For Ford 8.8", 31 Spline

from

$99.99
Product Features:
  • Trac Loc spring for Ford 8.8″
  • 31 spline applications only
See More

Yukon Gear – Yoke (Short, For Daytona Support) For Ford 9" With 28 Spline Pinion And A 1310 U/Joint Size (Part No.41056)

Yoke (Short, For Daytona Support) For Ford 9" With 28 Spline Pinion And A 1310 U/Joint Size

from

$319.99
Yukon yoke (short, for Daytona support) for Ford 9″ with 28 spline pinion and a 1310 U/joint size. 3.219″ snap ring span, 1.062″ cap diameter. Outside snap ring. 4″ length. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Ford 9″
  • 28 spline
  • 1310 u-joint size
  • 3.219″ snap ring span
  • 1.062″ cap diameter
  • Outside snap ring design
  • U-bolt style
See More

Yukon Gear – Standard Open Spider Gear Kit For 8" And 9" Ford With 28 Spline Axles And 2-Pinion Design (Part No.16031)

Standard Open Spider Gear Kit For 8" And 9" Ford With 28 Spline Axles And 2-Pinion Design

from

$285.99
Yukon standard open spider gear kit for 8″ and 9″ Ford with 28 spline axles and 2-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 8″ and 9″ open differential with 28 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, roll pins and spider gear thrust washers.
See More

Powertrax – Lock Right Locker (Part No.1822-LR)

Lock Right Locker

from

$371.99
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!
  • See More

    Motive Gear – Differential Carrier (Part No.D3TZ4204A)

    Differential Carrier

    from

    $226.99


    Product Features:
    • FORD 9″ EMPTY POSI CASE – 28 & 31 SPLINES
    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

    Valvoline – Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822389)

    Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart

    from

    $13.99
    Valvoline Import Multi-Vehicle Automatic Transmission Fluid is specifically formulated for use in most Toyota, Nissan, Honda and other imported vehicles. It is formulated with all synthetic base stocks and a proprietary additive system to ensure optimal transmission performance in a wide variety of vehicles. Valvoline Import Multi-Vehicle ATF can also be used in many domestic vehicles. It meets requirements of General Motors and Ford vehicles. Recommended for use in the following applications: Ford MERCON, GM DEXRON-II and DEXRON-III, BMW LT 71141 and ETL-7045E, Nissan/Infiniti Nissan ATF, Matic-D, Matic-K and Matic-J, Mitsubishi Diamond SP-II and SP-III, Subaru ATF-HP, Hyundai/ KIA SP-II and SP-III, Toyota/Lexus Type T, T-III and T-IV, Honda/Acura ATF-Z1 (except in CVTs), Mercedes Benz NAG1, Volvo passenger car (except AW-1), and Volkswagen/Audi TL52162. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

    Product Features:
    • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • Developed with anti-wear technology to help improve transmission durability
    • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
    See More

    USA Standard Gear – 9" Ford Spartan Locker Cross Pin, Extra Short (Part No.17044)

    9" Ford Spartan Locker Cross Pin, Extra Short

    from

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

    Product Features:
    • USA Standard Gear heavy-duty cross pin shaft
    • Fits Ford 9″
    See More

    Yukon Gear – Purple Aluminum Pinion Support For 9" Ford Daytona (Part No.32036)

    Purple Aluminum Pinion Support For 9" Ford Daytona

    from

    $264.99
    Product Features:
    • Fits Ford 9″ with 28 spline pinion
    • Larger inner pinion bearing reduces gear deflection under high load
    • Races installed
    • 6061 aluminum
    • Annodized purple
    See More

    Yukon Gear – Standard Open Spider Gear Kit For 8.8" Ford (And IFS) With 28 Spline Axles (Part No.16019)

    Standard Open Spider Gear Kit For 8.8" Ford (And IFS) With 28 Spline Axles

    from

    $285.99
    Yukon standard open spider gear kit for 8.8″ Ford (and IFS) with 28 spline axles and 3/4″ pin. 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 8.8″ open differential with 28 spline axles
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
    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

    Powertrax – Grip LOK Traction System (Part No.LK109028)

    Grip LOK Traction System

    from

    $668.99
    For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. 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!
    See More

    USA Standard Gear – Spool For Ford 9", 35 Spline (Part No.59025)

    Spool For Ford 9", 35 Spline

    from

    $294.99
    9″ FORD 35Spline SPOOL 30deg (EXCL M.WLMS) 2-3/16″ DECK , 2″ Journal .

    Product Features:
    • Fits Ford 9″ with 35 spline axles
    • Provides 100% traction to both wheels at all times
    • Not recommended for street driven vehicles
    See More

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

    O-Ring For 9" Ford

    from

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

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

    Pro-King – Differential Cover Gasket (Part No.762B303)

    Differential Cover Gasket

    from

    $4.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • Meets or exceeds OE specifications
    See More

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

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

    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
    See More

    Yukon Gear – 7.5", 8", 8.8", 9", 10.25" Ford Redi Sleeve Yoke Saver (Part No.30226)

    7.5", 8", 8.8", 9", 10.25" Ford Redi Sleeve Yoke Saver

    from

    $30.99
    7.5″, 8″, 8.8″, 9″, 10.25″ Ford REDI sleeve yoke saver.Yukon Mighty seal.

    Product Features:
    • Redi-Sleeve yoke saver
    • Fits Ford 7.5″, 8.8″, 9″ and 10.25″
    See More

    Yukon Gear – Tracloc For Ford 9" Wtih 28 Spline Axles – Street Design (Part No.26008)

    Tracloc For Ford 9" Wtih 28 Spline Axles - Street Design

    from

    $789.99
    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 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
    See More

    Yukon Gear – The Carrier Bearing Puller (Part No.56072)

    The Carrier Bearing Puller

    from

    $883.99
    The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to one ton applications including Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

    Product Features:
    • Carrier bearing puller
    • Works with an impact gun to safely and easliy remove carrrier bearings
    See More

    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

    from

    $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
    See More

    Yukon Gear – Trac Loc Friction Plate, Single Sided, 4 Tab (Part No.16179)

    Trac Loc Friction Plate, Single Sided, 4 Tab

    from

    $29.99
    Product Features:
    • Friction plate
    • Fits Ford 8″ and 9″ Trac Loc
    See More

    Yukon Gear – Master Overhaul Kit For Ford 9" LM104911 Differential, 28 Spline Pinion (Part No.14062)

    Master Overhaul Kit For Ford 9" LM104911 Differential, 28 Spline Pinion

    from

    $544.99
    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 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, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), Thread locking compound, marking compound with brush, and gasket. 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 oversize pinion support and 28 spline pinion
    • Fits Ford 9″ with LM104911 carrier races
    • Included are Timken bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, pilot bearing, thread locker, marking compound with brush, and gasket.
    See More

    Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4104)

    Differential Pinion Solid Spacer Kit w/Shims

    from

    $10.49


    Product Features:
    • SOLID SPACER FORD 8.8″ & 9″
    See More

    Yukon Gear – Standard Open Side Gear And Thrust Washer For 7.5" Ford (Part No.33295)

    Standard Open Side Gear And Thrust Washer For 7.5" Ford

    from

    $19.99
    Standard Open side gear thrust washer for 7.5″ Ford.

    Product Features:
    • Side gear thrust washer
    • Fits Ford 7.5″
    See More

    Most Popular Rear Differential Cover Gasket for 1974 Ford Thunderbirds

    Enhance your 1974 Ford Thunderbird with this popular Rear Differential Cover Gasket we have in stock, for $11.99.

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

    9" Ford Gasket

    from

    $11.99
    9″ Ford gasket.

    Product Features:
    • Dropout gasket
    • Fits Ford 9″
    See More

    Best-Selling 1974 Ford Thunderbird Differential Bearings

    Upgrade your Thunderbird with one of our 3 best-selling Differential Bearings, earning an average 4 stars rating across 41 reviews.

    National – Multi-Purpose Bearing (Part No.A-18)

    Multi-Purpose Bearing

    from

    $17.99
    Product Features:
    • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
    • 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
    See More

    Driveworks – Taper Bearing Cone (Part No.S-LM-102949)

    Taper Bearing Cone

    from

    $15.49
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

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

    Pilot Bearing Retainer For Ford 9"

    from

    $11.99
    Pilot bearing retainer for Ford 9″.

    Product Features:
    • Pilot bearing retainer for Ford 9″
    See More

    Top-Quality Differential Pinion Seals for 1974 Ford Thunderbirds

    Choose a high-quality OEM or aftermarket Differential Pinion Seal for Ford Thunderbirds and enjoy top-notch performance from $12.99.

    Yukon Gear – Pinion Seal For ’61-’85 9" Ford (Part No.30137)

    Pinion Seal For '61-'85 9" Ford

    from

    $17.99
    Pinion seal for ’61-’85 9″ Ford. 3″ OD.Yukon Mighty seal.

    Product Features:
    • Pinion seal
    • Fits 1961-1985 Ford 9″
    • 3.00″ O.D.
    See More

    Schaeffler – Shaft Seal (Part No.SS2934)

    Shaft Seal

    from

    $21.79
    Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

    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
    See More

    Motive Gear – Differential Pinion Seal (Part No.7044NA)

    Differential Pinion Seal

    from

    $12.99
    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

    Top Picks for 1974 Ford Thunderbird Differential Oil

    Invest in one of our 5 durable Differential Oil for your 1974 Ford, knowing you’re getting trusted brands and expert craftsmanship.

    Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

    3 Qt - 80W90 Conventional Gear Oil With Posi Additive

    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
    See More

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

    3 Qt - Penzoil 80W90 Conventional Gear Oil

    from

    $44.99
    3 Qt. Penzoil 80W90 conventional gear Oil.

    Product Features:
    • Includes three quarts of conventional oil
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

    Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

    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
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

    Redline Synthetic "Shock Proof" Oil - 3 Quarts

    from

    $99.99
    Redline Synthetic “Shock Proof” Oil. 3 Quarts.

    Product Features:
    • Includes three quarts of Redline Shockproof oil
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

    Redline Synthetic "Shock Proof" Oil - 4 Quarts

    from

    $137.99
    Redline Synthetic “Shock Proof” Oil. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil
    See More

    Differential Ring Gear Bolts for 1974 Ford Thunderbirds

    Make a smart move for your 1974 Ford Thunderbird with products all priced from $1.99 to $43.99.

    Yukon Gear – Ford 8" & 9" Standard Open, Ag, & Detroit Locker Ring Gear Bolt (Part No.33058)

    Ford 8" & 9" Standard Open, Ag, & Detroit Locker Ring Gear Bolt

    from

    $5.99
    Ford 8″ & 9″ standard Open, AG, & Detroit locker ring gear bolt. 7/16″ head, .925″ long.

    Product Features:
    • Ring gear bolt for Ford 8″ and 9″
    • For use with standard open carrier, Auburn Gear limited slip and Detroit Locker
    • 7/16″ head
    • .925″ long
    See More

    Yukon Gear – Ford 8" & 9" Standard Open, Ag, & Detroit Locker Ring Gear Bolt (Part No.33043)

    Ford 8" & 9" Standard Open, Ag, & Detroit Locker Ring Gear Bolt

    from

    $5.99
    Ford 8″ & 9″ standard Open, AG, & Detroit locker ring gear bolt, 1.0″ long, Ford.

    Product Features:
    • Ring gear bolt for Ford 8″ and 9″
    • For use with standard open carrier, Auburn Gear limited slip and Detroit Locker
    • 1.0″ long
    See More

    Yukon Gear – Ford 8" & 9" Tracloc Ring Gear Bolt (Part No.33044)

    Ford 8" & 9" Tracloc Ring Gear Bolt

    from

    $4.99
    Ford 8″ & 9″ TracLoc ring gear bolt, 1-1/4″ long.

    Product Features:
    • Ring gear bolt for Ford 8″ and 9″
    • For use with Trac Loc limited slip
    • 1.25″ long
    See More

    Motive Gear – Ring Gear Bolt (Part No.D8OZ4216B)

    Ring Gear Bolt

    from

    $1.99


    Product Features:
    • BOLT 9″ FORD OPEN R.G. SAME AS M-4216A200
    See More

    ARP Auto Racing – For Use With Ford 9" Using 5/8"Socket, 0.94"L Under Head, 7/16"-20, 12Point Head (Part No.250-3002)

    For Use With Ford 9" Using 5/8"Socket, 0.94"L Under Head, 7/16"-20, 12Point Head

    from

    $43.99
    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
    • 0.95″ Underhead Length
    • 200,000 PSI
    • Sold As A Set
    See More

    Yukon Gear – Trac Loc Ring Gear Bolt Washer For 8" And 9" Ford (Part No.33245)

    Trac Loc Ring Gear Bolt Washer For 8" And 9" Ford

    from

    $3.99
    Trac Loc ring gear bolt washer for 8″ and 9″ Ford.

    Product Features:
    • Ring gear bolt for Ford 8″ and 9″
    • For Trac Loc positraction applications only
    See More

    Top-Rated Differential Brands For Your 1974 Ford Thunderbird

    When it comes to finding the perfect Differential for your 1974 Ford Thunderbird, 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 $9.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1974 Ford Thunderbird, providing peace of mind with parts that meet or exceed OEM standards.

    Popular Powertrax 1974 Ford Thunderbird Differentials

    If you’re looking for a top-quality Differential for your 1974 Ford Thunderbird, Advance Auto Parts has exactly what you need with our selection of Powertrax Differentials. We have 1 Powertrax Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $551.99, you’ll find the perfect Differential for your needs and budget. Powertrax Differentials for the 1974 Ford Thunderbird come highly rated, with over 1 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.
    No-Slip Traction System
    from $551.99
    (1)
    No-Slip Traction System
    “Installed, no issues, works great.”

    Top-Quality Felpro 1974 Ford Thunderbird Differentials

    For those in search of a high-quality Differential for their 1974 Ford Thunderbird, Advance Auto Parts offers a great selection of Felpro Differentials. With 1 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 $9.99, giving you a range of options to suit your budget. Backed by over 9 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.
    Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket
    from $9.99
    (9)
    Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket
    “Right fit the first time.”

    FAQs for 1974 Ford Thunderbird Differentials

    What are the best-selling Differentials for 1974 Ford Thunderbirds?

    Out of 284 Differentials that fit 1974 Ford Thunderbirds, the following parts are the top sellers:

    What’s the price range for 1974 Ford Thunderbird Differentials?

    The prices of Differentials for the 1974 Ford Thunderbird range from $1.99 up to $1,566.99 for the most premium parts.

    What is the average price of a Differential for a 1974 Ford Thunderbird?

    The average price for Differentials for the 1974 Ford Thunderbird is $263.87. 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 Thunderbird model years?

    Yes, we carry Differentials for 45 model years of Ford Thunderbirds between 1955 and 2005. The following model years are the most popular for Differential purchases: 2005, 2004, 2003, 2002, 1997, 1996, 1995, 1994, and 1993.

    What are the cheapest Differentials for my 1974 Ford Thunderbird?

    The cheapest 1974 Ford Thunderbird Differentials we carry are:

    Does Advance Auto Parts sell Differentials for any other 1974 Ford models?

    Yes. We stock Differentials for 26 other popular 1974 Ford models. Some of the most popular are 1974 Bronco Differentials, 1974 Country Squire Differentials, 1974 LTD Differentials, 1974 Galaxie 500 Differentials, and 1974 Torino Differentials.

    What types of Differentials do you sell for my 1974 Ford Thunderbird?

    As of 3/1/26, these are some of the most in-demand types of Differentials for a 1974 Ford Thunderbird:

    Can I get help with 1974 Ford Thunderbird 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 Thunderbird Differentials?

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