1977 Ford Thunderbird Differentials

Essential 1977 Ford Thunderbird Differentials

National – Multi Purpose Seal (Part No.6930)

Multi Purpose Seal

from

$28.49
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Yukon Gear – Trac Loc Positraction, Ford 8.8", 31 Spline (Part No.20069)

Trac Loc Positraction, Ford 8.8", 31 Spline

from

$719.99
Product Features:
  • Trac Loc positraction
  • Fits Ford 8.8″ with 31 spline axles
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Yukon Gear – Bearing Race Driver (Part No.56023)

Bearing Race Driver

from

$219.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M88010 race
  • All steel construction
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Yukon Gear – Grizzly Locker, Ford 8.8" With 31 Splines (Part No.28031)

Grizzly Locker, Ford 8.8" With 31 Splines

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$1099.99
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 is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! 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!

Product Features:
  • Fits Ford 8.8″ with 31 spline axles
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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Yukon Gear – Steel Spool For Ford 9" With 40 Spline Axles (Part No.32182)

Steel Spool For Ford 9" With 40 Spline Axles

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$389.99
Yukon Performance 2-3/16″ deck steel spool for 9″ Ford with 40 spline axles. Spool uses 2″ journal bearings (45 degree). Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Ford 9″ with 40 spline axles
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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Dorman – Differential Pinion Yoke Assembly (Part No.697-530)

Differential Pinion Yoke Assembly

from

$135.99
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 – 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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USA Standard Gear – Standard Spider Gear Set For Ford 8.8", 31 Spline (Part No.39016)

Standard Spider Gear Set For Ford 8.8", 31 Spline

from

$209.99
Product Features:
  • Spider gear kit
  • Fits Ford 8.8″ 31 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 – Trao Loc Spring For Ford 8.8", 31 Spline (Part No.33516)

Trao Loc Spring For Ford 8.8", 31 Spline

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$99.99
Product Features:
  • Trac Loc spring for Ford 8.8″
  • 31 spline applications only
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USA Standard Gear – Master Overhaul Kit for the Ford 9" LM102910 Differential (Part No.37033)

Master Overhaul Kit for the Ford 9" LM102910 Differential

from

$221.99
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 LM102910 carrier race
  • Uses Koyo bearings and races
  • Included are carrier 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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National – Bearings (Part No.LM501310)

Bearings

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$9.29
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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Motive Gear – Differential Mini Spool (Part No.MS88-31)

Differential Mini Spool

from

$101.99


Product Features:
  • MINI SPOOL 8.8 FORD 31SPL
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Motive Gear – Differential Ring and Pinion (Part No.F9-370A)

Differential Ring and Pinion

from

$175.99


Product Features:
  • FRD 10BLT 9.0 R/P 3.70A MG
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Valvoline – ATF for Mercon®V Applications Conventional, 1 Quart (Part No.822345)

ATF for Mercon®V Applications Conventional, 1 Quart

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$12.99
Valvoline ATF for MERCON®V Applications is a high-quality transmission fluid meeting and exceeding the requirements of the Ford Mercon V specification which covers most Ford passenger cars and light-duty trucks (except those specifying MERCON®SP, MERCON®LV or Type F fluids), including Lincoln and Mercury, as well as most pre-2006 GM vehicles and many imports. Recommended for use in the following applications: MERCON®V, MERCON®, DEXRON®-III, DEXRON®-II, Caterpillar TO-2, Allison C-4. Other applications include Power steering fluid where a DEXRON® or MERCON® fluid is recommended. Suitable to use in Nissan Matic D, Matic J and Matic K.

Product Features:
  • Formulated with premium 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
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Yukon Gear – Ford 7.5" & 8.8" Ring Gear Bolt, Standard Open & Tracloc (Part No.33053)

Ford 7.5" & 8.8" Ring Gear Bolt, Standard Open & Tracloc

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$5.99
Ford 7.5″ & 8.8″ ring gear bolt, standard Open & TracLoc. 7/16″ x 20.

Product Features:
  • Ring gear bolt for Ford 7.5″ and 8.8″
  • 7/16″ x 20
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Yukon Gear – 8" & 9" Ford 5-Tab Clutches (Part No.16028)

8" & 9" Ford 5-Tab Clutches

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$374.99
8″ & 9″ Ford 5-Tab clutches (early Equalock).

Product Features:
  • Clutch kit
  • Fit Ford 9″ Equa Loc positraction
  • 5 outer tabs
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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

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$11.99
Pinion gear thrust washer (0.875″ shaft) for 8.8″ Ford.

Product Features:
  • Pinion gear thrust washer for Ford 8.8″
  • 0.875″ diameter cross pin shaft applications only
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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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Pro-King – Differential Crush Sleeve (Part No.761A034)

Differential Crush Sleeve

from

$2.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Yukon Gear – Dura Grip For Ford 7.5" (Part No.26034)

Dura Grip For Ford 7.5"

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 Dura Grip uses a nodular case and forged 4320 in

Product Features:
  • Fits Ford 7.5″
  • 28 spline
  • 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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Pro-King – Differential Pinion Shim Kit (Part No.742G200A)

Differential Pinion Shim Kit

from

$18.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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National – Shaft Repair Sleeve (Part No.99166)

Shaft Repair Sleeve

from

$34.99
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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Yukon Gear – 18 Plate Steel Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16110)

18 Plate Steel Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

from

$483.99
Product Features:
  • Clutch kit
  • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
  • 18 piece kit
  • Steel clutches
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Motive Gear – Differential Pinion Shaft (Part No.B7AZ4211A)

Differential Pinion Shaft

from

$13.59


Product Features:
  • FORD 9″ CROSS PIN
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Pro-King – Differential Cover Gasket (Part No.762B303)

Differential Cover Gasket

from

$3.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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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
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Yukon Gear – Trac Loc Clutch Guide For 9" Ford (Part No.33250)

Trac Loc Clutch Guide For 9" Ford

from

$4.99
Trac Loc clutch guide for 9″ Ford.

Product Features:
  • Clutch guide
  • Fits Ford 8″ and 9″
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1977 Ford Thunderbird Differentials

Maybe you’re in the middle of a full rebuild of that 1977 Ford Thunderbird. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 300 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 1977 Ford Thunderbird running smoothly.

Differentials are only as good as their brand. We stock 11 different brands to make sure you have plenty of trusted parts to choose from for your 1977 Ford Thunderbird. National, Yukon Gear, and Dorman 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 1977 Ford Thunderbird, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 99 reviews in this category, some of the top rated parts include Multi Purpose Seal with 5.0 stars and Shaft Repair Sleeve with 5.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1977 Ford Thunderbird 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 1977 Ford Thunderbird Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1977 Ford Thunderbird 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 Thunderbird 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 1977 Ford Thunderbird, our most popular Felpro Differentials include:
Differential Carrier Gasket
from $8.49
(9)
Differential Carrier Gasket
Automatic Transmission Differential Carrier Gaskets

Top 1977 Ford Thunderbird Differentials from National

National products are another trusted brand when it comes to Differentials for your 1977 Ford Thunderbird. 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 1977 Ford Thunderbird Differentials

What are the most purchased Differentials for the 1977 Ford Thunderbird?

Out of 300 Differentials for the 1977 Ford Thunderbird, the most popular in our inventory are:
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil
Pinion Crush Sleeves
from $5.99
This product is not rated
Pinion Crush Sleeves
Differential Crush Sleeves
Tapered Cup Wheel Bearing Assembly
from $8.49
This product is not rated
Tapered Cup Wheel Bearing Assembly
Differential Bearings

What are the top-rated 1977 Ford Thunderbird Differentials?

Top-rated Differentials for your 1977 Ford Thunderbird based on customer reviews/ratings are:
Multi Purpose Seal
from $15.79
(3)
Multi Purpose Seal
“good quality”
Shaft Repair Sleeve
from $37.99
(1)
Shaft Repair Sleeve
“Very delicate piece, but came shipped quite safely and not damaged. High quality.”
Differential Pinion Nut
from $6.49
(1)
Differential Pinion Nut
“If a pinion nut is ever removed from the pinion shaft, it is recommended NOT to reuse it. Replace it with a BRAND NEW nut, even if the old nut is rel”