1956 Ford Thunderbird Differentials

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Keep Your 1956 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 1956 Ford Thunderbird looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Housing Cover Gaskets, Rear Differential Cover Gaskets, and Differential Bearings. 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 Powertrax, National, and Driveworks. For example, Powertrax Differentials start at just $551.99 with an average 5.0 star rating. National and Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 84 reviews and a solid 4 star average, you can shop with confidence knowing other Ford Thunderbird owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1956 Ford Thunderbird Differential at Advance Auto Parts is around $255.95, with a range that starts at $1.99 and goes up to $1,211.99. With 277 options in stock from 11 trusted brands, finding the right fit is easy. Popular picks like 3 Qt – 80W90 Conventional Gear Oil with Posi Additive, 3 Qt – Penzoil 80W90 Conventional Gear Oil, and Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket start at just $7.99 and offer a great balance of form and function.

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 1956 Ford Thunderbird in peak condition, inside and out.

Essential 1956 Ford Thunderbird Differentials

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

8.8" Ford Tracloc Clutch Set, Both Sides

from

$241.99
Yukon Gear & Axle clutch kits fit popular Ford diffs outfitted with a Trac Loc style positraction unit feature stout clutch plates, ensuring total traction and long-lasting performance.

Product Features:
  • Clutch kit
  • Fit Ford 8.8″ Trac Loc positraction
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USA Standard Gear – Spartan Locker For Ford 9", 28 Or 31 Spline (Part No.17042)

Spartan Locker For Ford 9", 28 Or 31 Spline

from

$579.99
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 are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect. This unit uses the factory side gears.

Product Features:
  • Fits Ford 8″ and 9″ with 28 or 31 spline axles
  • Made from 9310 steel for added strength
  • Works with stock side gears in standard carrier case
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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
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

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

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

Pilot Bearing for Ford 9"

from

$38.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

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

USA Standard Gear – Differential Spider Gear Kits (Part No.39015)

Differential Spider Gear Kits

from

$209.99
Dana 70 ABS exciter tone ring.

Product Features:
  • Spider gear kit
  • Fits Ford 8.8″ 28 spline open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Yukon Gear – O-ring for 9" Ford (Part No.30028)

O-ring for 9" Ford

from

$14.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.

Product Features:
  • Pinion support O-ring
  • Fits Ford 9″
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Yukon Gear – Bearing Race Driver for Popular Ford, Gm, Amc, Chrysler, and Dana Diffs (Part No.56020)

Bearing Race Driver for Popular Ford, Gm, Amc, Chrysler, and Dana Diffs

from

$215.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

Product Features:
  • Fits M802011 race
  • All-steel construction
  • For accurate installation of bearing races
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Yukon Gear – Ford 9" 3.062" Aluminum Case, HD Dropout Housing (Part No.32034)

Ford 9" 3.062" Aluminum Case, HD Dropout Housing

from

$729.99
9″ Yukon 3.062″ aluminum case, HD dropout housing with forged caps. The Yukon aluminum dropouts feature a adjuster lock which is offset 90 degrees, offering an uninterrupted bearing cap for higher strenth. Made from A356-T6 aluminum and featuring a through-bolt desgin, this dropout is built for high horsepower & tall tires.Rated up to 1000HP!

Product Features:
  • Fits Ford 9″
  • 3.062″ carrier race diameter
  • A356-T6 aluminum
  • Thru-bolt design added strength
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Yukon Gear – High Performance Ring & Pinion Gear Set For Ford 9" In A 5.13 Ratio (Part No.24111)

High Performance Ring & Pinion Gear Set For Ford 9" In A 5.13 Ratio

from

$449.99
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 9″
  • 9.00″ ring gear diameter
  • 28 spline pinion
  • 10 ring gear bolts
  • 5.13 ratio
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Yukon Gear – Pinion Depth Shims for GM 8.25"IFS, 8.5", 12 Bolt Car, Ford 8.8", Chrysler 8.25" (Part No.55009)

Pinion Depth Shims for GM 8.25"IFS, 8.5", 12 Bolt Car, Ford 8.8", Chrysler 8.25"

from

$27.99
Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.

Product Features:
  • Pinion depth shims for GM 8.25″ IFS, 8.5″, 8.6″, 12 bolt passenger car, Ford 7.5″ and 8.8″, Chrysler 8.25″
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Powertrax – Differential Lock Assembly (Part No.2415-LR)

Differential Lock Assembly

from

$442.99
For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.

Product Features:
  • The Power Trax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Power Trax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Power Trax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Power Trax 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.
  • Power Trax ia an Extreme Traction System
See More

Motive Gear – Differential Pinion Bearing Spacer (Part No.SS9)

Differential Pinion Bearing Spacer

from

$45.99
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 on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
See More

Yukon Gear – Trac Loc Spring Plate for Ford 9" & 8 (Part No.33517)

Trac Loc Spring Plate for Ford 9" & 8

from

$10.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Trac Loc spring plate for Ford 8″ and 9″
See More

Yukon Gear – Yoke (Short, for Daytona Support), Ford 9", 28 Spline, 1310 U-Joint (Part No.41056)

Yoke (Short, for Daytona Support), Ford 9", 28 Spline, 1310 U-Joint

from

$319.99
Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.

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
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Felpro – Axle Housing Cover Gasket Round Shaped 10 Bolt Hole Gasket (Part No.RDS 55459)

Axle Housing Cover Gasket Round 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
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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

Yukon Gear – Carrier Bearing Puller Set (Part No.56034)

Carrier Bearing Puller Set

from

$689.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

Product Features:
  • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or GM and Chrysler 11.5″ 1-ton applications
  • Works with an impact gun to safely and easily remove carrier bearings
  • Comes with a handy bench-top stand
  • For 1-ton applications shop Yukon part YT P22
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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 Support Bolt for 8" and 9" Ford (Part No.33242)

Pinion Support Bolt for 8" and 9" Ford

from

$6.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • 1.0″ long
  • 3/8″-16
  • Pinion support bolt for Ford 8″ and 9″ differentials
See More

Yukon Gear – Standard Open & Tracloc Pinion Gear and Thrust Washer for 7.5" Ford (Part No.33296)

Standard Open & Tracloc Pinion Gear and Thrust Washer for 7.5" Ford

from

$10.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

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

USA Standard Gear – Differential Rebuild Kit (Part No.37037)

Differential Rebuild Kit

from

$236.99
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 Ford 9″ with LM603011 carrier races
  • 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, pilot bearing, thread locker, marking compound with brush and gasket.
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National – Tapered Roller Bearing Cone (Part No.NP559445)

Tapered Roller Bearing Cone

from

$59.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • 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

Schaeffler – Shaft Seal (Part No.SS2633)

Shaft Seal

from

$18.99
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
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Yukon Gear – Dura Grip Positraction For Ford 8.8" With 28 Spline Axles (Part No.26005)

Dura Grip Positraction For Ford 8.8" With 28 Spline Axles

from

$834.99
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 Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

Product Features:
  • Fits Ford 8.8″ with 28 spline axles
  • 4-spring, clutch style positraction
  • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
  • Fully rebuildable
  • Assembled in the USA
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Yukon Gear – Short Cross Pin Shaft without Block for 9" Ford (Part No.33335)

Short Cross Pin Shaft without Block for 9" Ford

from

$11.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Cross pin shaft
  • Fits Ford 9″
  • Short design
See More

Powertrax – Differential Lock Assembly (Part No.1810-LR)

Differential Lock Assembly

from

$339.99
For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.

Product Features:
  • The Power Trax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Power Trax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Power Trax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Power Trax 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.
  • Power Trax ia an Extreme Traction System
See More

Yukon Gear – Pinion Install Kit for Ford 9" Differential (Part No.13042)

Pinion Install Kit for Ford 9" Differential

from

$175.99
Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.

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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Yukon Gear – Carrier Installation Kit for Ford 8.8" Differential (Part No.57007)

Carrier Installation Kit for Ford 8.8" Differential

from

$134.99
Yukon Carrier Installation Kits are a convenient and low-cost solution for carrier changes in cases where one is upgrading to a positraction limited slip differential, a mechanical locker, or an air operated locker. These kits contain carrier bearings and races and a carrier shim kit.

Product Features:
  • Fits Ford 8.8″
  • Includes carrier bearings and races and “super” carrier shim kit
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Most Popular Rear Housing Cover Gasket for 1956 Ford Thunderbirds

Enhance your 1956 Ford Thunderbird with this popular Rear Housing Cover Gasket we have in stock, for $7.99.

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6629)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

from

$7.99
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
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Best-Selling 1956 Ford Thunderbird Rear Differential Cover Gasket

Upgrade your Thunderbird with our best-selling Rear Differential Cover Gasket.

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

Top-Quality Differential Bearings for 1956 Ford Thunderbirds

Choose a high-quality OEM or aftermarket Differential Bearing for Ford Thunderbirds and enjoy top-notch performance from $11.99.

National – Multi-Purpose Bearing (Part No.A-6)

Multi-Purpose Bearing

from

$16.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

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

Yukon Gear – Pilot Bearing retainer for Ford 9" (Part No.33255)

Pilot Bearing retainer for Ford 9"

from

$11.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

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

National – Tapered Roller Bearing Cone (Part No.25577)

Tapered Roller Bearing Cone

from

$32.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • 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

National – Bearing Race (Part No.25523)

Bearing Race

from

$19.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways 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

Top Picks for 1956 Ford Thunderbird Differential Pinion Seals

Invest in one of our 3 durable Differential Pinion Seals for your 1956 Ford, knowing you’re getting trusted brands and expert craftsmanship.

Driveworks – Oil Seal (Part No.S-5778)

Oil Seal

from

$13.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Driveworks – Oil Seal (Part No.S-51098)

Oil Seal

from

$6.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

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

Differential Pinion Seal

from

$12.99
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 on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
See More

Differential Oil for 1956 Ford Thunderbirds

Make a smart move for your 1956 Ford Thunderbird with products all priced from $44.99 to $148.99.

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
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:
  • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
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Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

Product Features:
  • Includes three quarts of conventional oil
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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 Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:
  • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Redline Synthetic "Shock Proof" Oil - 3 Quarts

from

$99.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:
  • Includes three quarts of Redline Shockproof oil
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

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

Top-Rated Differential Brands For Your 1956 Ford Thunderbird

When it comes to finding the perfect Differential for your 1956 Ford Thunderbird, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 11 trusted brands. We carry the most popular Differential brands including Powertrax, National, and Driveworks, and more, all known for their exceptional customer ratings (average brand rating of 5.0 stars) and competitive prices, as low as $13.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1956 Ford Thunderbird, providing peace of mind with parts that meet or exceed OEM standards.

Popular Powertrax 1956 Ford Thunderbird Differentials

If you’re looking for a top-quality Differential for your 1956 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 1956 Ford Thunderbird come highly rated, with over 1 customer reviews and an impressive average rating of 5.0 stars. Choosing a Powertrax Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Differential Lock Assembly
from $551.99
(1)
Differential Lock Assembly
“Installed, no issues, works great.”

Top-Quality National 1956 Ford Thunderbird Differentials

For those in search of a high-quality Differential for their 1956 Ford Thunderbird, Advance Auto Parts offers a great selection of National Differentials. With 1 National 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 $16.99, giving you a range of options to suit your budget. Backed by over 25 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Multi-Purpose Bearing
from $16.99
(25)
Multi-Purpose Bearing
“Smooth”

FAQs for 1956 Ford Thunderbird Differentials

What are the best-selling Differentials for 1956 Ford Thunderbirds?

Out of 277 Differentials that fit 1956 Ford Thunderbirds, the following parts are the top sellers:

What’s the price range for 1956 Ford Thunderbird Differentials?

The prices of Differentials for the 1956 Ford Thunderbird range from $1.99 up to $1,211.99 for the most premium parts.

What is the average price of a Differential for a 1956 Ford Thunderbird?

The average price for Differentials for the 1956 Ford Thunderbird is $255.95. 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 1956 Ford Thunderbird?

The cheapest 1956 Ford Thunderbird Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1956 Ford models?

Yes. We stock Differentials for 25 other popular 1956 Ford models. Some of the most popular are 1956 F-250 Differentials, 1956 F-350 Differentials, 1956 Country Squire Differentials, 1956 F-100 Differentials, and 1956 F-350 Pickup Differentials.

What types of Differentials do you sell for my 1956 Ford Thunderbird?

As of 6/2/26, these are some of the most in-demand types of Differentials for a 1956 Ford Thunderbird:

Can I get help with 1956 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.