1978 Ford Country Squire Differentials

Essential 1978 Ford Country Squire Differentials

Powertrax – Grip LS Traction System (Part No.LS108831)

Grip LS Traction System

from

$463.99
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!
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Motive Gear – Differential Crush Sleeve (Part No.3507575)

Differential Crush Sleeve

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$2.49


Product Features:
  • CRUSH SLEEVE 7.25 & 8.25 MIN ORDER 5000
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Driveworks – Oil Seal (Part No.S-5778)

Oil Seal

from

$10.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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National – Bearings (Part No.M88048)

Bearings

from

$15.99
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 – Standard Open Spider Gear Kit For 9" Ford With 31 Spline Axles And 4-Pinion Design (Part No.16034)

Standard Open Spider Gear Kit For 9" Ford With 31 Spline Axles And 4-Pinion Design

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$317.99
Yukon standard open spider gear kit for 9″ Ford with 31 spline axles and 4-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 9″ open differential with 31 spline axles
  • Includes two side gears, four pinion gears, cross pin shaft, roll pins and spider gear thrust washers.
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Motive Gear – Differential Gear Install Kit (Part No.F9IKN)

Differential Gear Install Kit

from

$46.49
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Motive Gear – Differential Pinion Shaft (Part No.B7AZ4211A)

Differential Pinion Shaft

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$13.59


Product Features:
  • FORD 9″ CROSS PIN
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Yukon Gear – The Carrier Bearing Puller (Part No.56034)

The Carrier Bearing Puller

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$689.99
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 most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with 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
  • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications
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Yukon Gear – Extra HD 3.062" Nodular Iron Dropout For Ford 9" (Part No.32099)

Extra HD 3.062" Nodular Iron Dropout For Ford 9"

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$615.99
Yukon Extra HD 3.062″ nodular Iron dropout for Ford 9″. Yukon nodular iron dropouts feature a 5/8″ cap bolt and forged caps for maximum strength. Rated up to 1200HP!

Product Features:
  • Fits Ford 9″
  • 3.062″ carrier race diameter
  • Nodular iron for added strength
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Yukon Gear – Ford 9" Nodular Daytona Style Pinion Support (Part No.32102)

Ford 9" Nodular Daytona Style Pinion Support

from

$203.99
Product Features:
  • Fits Ford 9″ with 28 spline pinion
  • Larger inner pinion bearing reduces gear deflection under high load
  • Races installed
  • Nodular iron
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Motive Gear – Differential Mini Spool (Part No.MS9-31)

Differential Mini Spool

from

$31.99


Product Features:
  • MINI SPOOL 8″ & 9″ 31 SPLN STL 090431
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National – Bearings (Part No.M88010)

Bearings

from

$10.49
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
See More

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

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$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
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Driveworks – Taper Bearing Set (Part No.S-A-6)

Taper Bearing Set

from

$10.29
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Yukon Gear – Side Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford (Part No.33298)

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

from

$6.99
Side gear thrust washer (0.750″ shaft) for 8.8″ Ford.

Product Features:
  • Side gear thrust washer for Ford 8.8″
  • 0.750″ diameter cross pin shaft applications only
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Yukon Gear – Pilot Bearing For Ford 8" (Part No.18043)

Pilot Bearing For Ford 8"

from

$40.99
9.25 Chrysler FRONT PINION KIT , 03 & UP DODGE TRUCK .

Product Features:
  • Pilot bearing
  • Fits Ford 8″
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Yukon Gear – Bearing Race Driver (Part No.56022)

Bearing Race Driver

from

$188.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M86610 race
  • All steel construction
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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"

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

Differential Pinion Nut

from

$6.49
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Yukon Gear – Grizzly Locker For Ford 9" With 31 Spline Axles (Part No.28009)

Grizzly Locker For Ford 9" With 31 Spline Axles

from

$929.99
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. 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 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 – 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 – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

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

Product Features:
  • Includes three quarts of conventional oil
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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 – 14 Plate Carbon Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16041)

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

from

$404.99
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
  • 14 piece kit
  • Carbon fiber clutches
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USA Standard Gear – Master Overhaul Kit for the Ford 9" LM603011 Differential with Daytona Pinion Support (Part No.37039)

Master Overhaul Kit for the Ford 9" LM603011 Differential with Daytona Pinion Support

from

$249.99
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 LM104911 carrier races and Daytona pinion support
  • 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 eliminator, pilot bearing, thread locker, marking compound with brush and gasket.
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USA Standard Gear – 9" Ford Spartan Locker Cross Pin, Short (Part No.17022)

9" Ford Spartan Locker Cross Pin, Short

from

$26.99
9″ Ford Spartan locker cross pin, short.

Product Features:
  • USA Standard Gear heavy-duty cross pin shaft
  • Fits Ford 9″
  • Works with Spartan Locker or standard open spider gears
  • Short shaft for four pinion designs
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Motive Gear – Differential Super Bearing Kit – Timken (Part No.R7.5FRSKT)

Differential Super Bearing Kit - Timken

from

$112.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • KIT, SUPER BRG & SEAL-FORD 7.5 TIMK TIMKEN
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Yukon Gear – Master Overhaul Kit For Ford Daytona 9" Lm603011 Differential (Part No.14058)

Master Overhaul Kit For Ford Daytona 9" Lm603011 Differential

from

$339.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses carrier bearings & races with an I.D. of 1.780″ and an O.D. of 3.062″. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit are carrier bearings and races, pinion bearings and races, pilot bearing, pinion seal, complete shim kit, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), Thread locking compound, and marking compound with brush. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application.

Product Features:
  • Fits Ford 9″ with LM603011 carrier races and Daytona pinion support
  • 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.
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1978 Ford Country Squire Differentials

Maybe you’re in the middle of a full rebuild of that 1978 Ford Country Squire. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 359 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 1978 Ford Country Squire running smoothly.

Differentials are only as good as their brand. We stock 10 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Ford Country Squire. National, Yukon Gear, and Driveworks 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 1978 Ford Country Squire, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 136 reviews in this category, some of the top rated parts include Wheel Bearing and Seal Kit with 3.8 stars and Multi Purpose Seal with 5.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1978 Ford Country Squire 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 1978 Ford Country Squire Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Ford Country Squire 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 Country Squire 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 1978 Ford Country Squire, our most popular Felpro Differentials include:
Differential Carrier Gasket
from $8.49
(9)
Differential Carrier Gasket
Automatic Transmission Differential Carrier Gaskets

Top 1978 Ford Country Squire Differentials from National

National products are another trusted brand when it comes to Differentials for your 1978 Ford Country Squire. Popular National parts include:
Multi Purpose Seal
from $11.99
(28)
Multi Purpose Seal
Differential Pinion Seals
Bearings
from $15.99
(9)
Bearings
Front Differential Pinion Bearings
Bearings
from $6.99
(6)
Bearings
Differential Bearings

FAQs for 1978 Ford Country Squire Differentials

What are the most purchased Differentials for the 1978 Ford Country Squire?

Out of 359 Differentials for the 1978 Ford Country Squire, 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
Oil Seal
from $4.79
(1)
Oil Seal
Differential Pinion Seals
Bearings
from $10.49
(4)
Bearings
Rear Differential Pinion Bearings

What are the top-rated 1978 Ford Country Squire Differentials?

Top-rated Differentials for your 1978 Ford Country Squire based on customer reviews/ratings are:
Wheel Bearing and Seal Kit
from $169.99
(4)
Wheel Bearing and Seal Kit
“Complete kit with for my rebuild. I was lucky to get awesome service from the salesman. Parts were very reasonable price-wise.”
Multi Purpose Seal
from $15.79
(3)
Multi Purpose Seal
“good quality”
Differential Crush Sleeve
from $2.49
(1)
Differential Crush Sleeve
“High quality, would buy again”