1978 Ford Country Squire Differentials

Essential 1978 Ford Country Squire Differentials

Yukon Gear – One (1) Specialty Bearing Race To Adapt Small Bearing Journal Into A 3.250" Dropout (Part No.32157)

One (1) Specialty Bearing Race To Adapt Small Bearing Journal Into A 3.250" Dropout

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$51.99
One (1) specialty bearing race to adapt small bearing journal into a 3.250″ dropout. This adapter allows the use of a 28 or 31 spline carrier, positraction or locker in a 3.250″ dropout. This is a perfect solution if you are currently running 28 or 31 spline axles but are looking to upgrade to 35 spline later, or are stepping down from 35 spline but don’t want to buy a new dropout.

Product Features:
  • Carrier race
  • Fits Ford 9″
  • Conversion race to install small bearing carrier into 3.250″ dropout
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USA Standard Gear – Standard Spider Gear Set For Ford 8.8" Trac Loc Posi, 31 Spline (Part No.39032)

Standard Spider Gear Set For Ford 8.8" Trac Loc Posi, 31 Spline

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$297.99
Product Features:
  • Spider gear kit
  • Fits Ford 8.8″ 31 spline Trac Loc positraction
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Yukon Gear – Pinion Nut (Part No.33154)

Pinion Nut

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$7.99
Pinion nut for Ford 7.5″, 8″, 8.8″, 9 3/8″ & 9″. 1 1/6″ socket, 3/4″ x 20 thread.

Product Features:
  • Pinion nut for Ford 7.5″, 8″ and 9″
  • 3/4″ x 20 thread
  • 1 1/6″ socket
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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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Dorman – Differential Clutch Kit (Part No.697-780)

Differential Clutch Kit

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$262.99
This differential disc kit is a low-cost, time-saving repair solution for the posi-traction function. They are designed to match the fit and performance of the original disc on specific vehicle years, makes and models.

Product Features:
  • Direct replacement – this differential clutch kit provides the necessary components for repairing the original equipment on specific vehicles
  • Quality materials – all components are built for reliable longevity and performance
  • Smart solution – provides original equipment fit and function for a competitive price compared to original manufacturer
  • Trustworthy quality – backed by team of designers and engineers in the United States
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Yukon Gear – Crush Sleeve Eliminator Kit For Ford 9" For 35 Spline Pinion (Part No.55042)

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

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

Product Features:
  • Crush sleeve eliminator kit for Ford 9″ with 35 spline pinion
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Pro-King – Differential Cover Gasket (Part No.762B303)

Differential Cover Gasket

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$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 – Bearing Race Driver (Part No.56022)

Bearing Race Driver

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$188.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M86610 race
  • All steel construction
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National – Multi Purpose Seal (Part No.7044NA)

Multi Purpose Seal

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$15.79
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 – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

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

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$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
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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 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 – Pinion Install Kit For Ford Daytona 9" Differential (Part No.13045)

Pinion Install Kit For Ford Daytona 9" Differential

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$259.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

Product Features:
  • Fits Ford 9″ with Daytona pinion support
  • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, complete pinion shim kit, and marking compound with brush.
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Motive Gear – Ring Gear Bolt (Part No.D5AZ4216A)

Ring Gear Bolt

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$1.99


Product Features:
  • Ford 7.5″, 8.8″ Ring Gear Bolt
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USA Standard Gear – 9" Ford Spartan Locker Cross Pin, Extra Short (Part No.17044)

9" Ford Spartan Locker Cross Pin, Extra Short

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

Product Features:
  • USA Standard Gear heavy-duty cross pin shaft
  • Fits Ford 9″
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Richmond Gear – RngPnnInstlKt (Part No.83-1011-B)

RngPnnInstlKt

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$48.99
RngPnnInstlKt

Yukon Gear – Trac Loc Clutch Hub For 9" Ford With 28 Splines (Part No.16159)

Trac Loc Clutch Hub For 9" Ford With 28 Splines

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$139.99
Trac Loc clutch hub for 9″ Ford with 28 splines.

Product Features:
  • Clutch hub
  • Fits Ford 8″ and 9″ 28 spline Trac Loc
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Yukon Gear – High Performance Ring & Pinion Gear Set For Ford 9" In A 3.50 Ratio (Part No.24105)

High Performance Ring & Pinion Gear Set For Ford 9" In A 3.50 Ratio

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$431.99
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
  • 3.50 ratio
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Powertrax – Grip LS Traction System (Part No.LS108028)

Grip LS Traction System

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$451.99
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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Yukon Gear – Bearing Install Kit For Ford 9" Differential, LM102910 Bearings (Part No.11043)

Bearing Install Kit For Ford 9" Differential, LM102910 Bearings

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$212.99
Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking to save cost over a Master Overhaul kit. This kit uses carrier bearings & races with an I.D. of 1.780″ and an O.D. of 2.891″. This kit uses Timken bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pilot bearing, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your ring & pinion set.

Product Features:
  • Fits Ford 9″ with LM102910 carrier race
  • Included are carrier bearings and races, pinion bearings and races, pilot bearing, pinion seal, crush sleeve , marking compound and brush.
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Yukon Gear – Adjuster Lock Bolt 3.062" & 3.250" Ford 9" Drop Out (Part No.32149)

Adjuster Lock Bolt 3.062" & 3.250" Ford 9" Drop Out

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$3.99
Adjuster lock bolt 3.062″ & 3.250″ Yukon Ford 9″ Drop Out.

Product Features:
  • Side adjuster lock bolt
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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 – Trac Loc Clutch Guide For 9" Ford (Part No.33250)

Trac Loc Clutch Guide For 9" Ford

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$4.99
Trac Loc clutch guide for 9″ Ford.

Product Features:
  • Clutch guide
  • Fits Ford 8″ and 9″
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Motive Gear – Differential Pinion Shaft Support Block (Part No.D3SZ4211A)

Differential Pinion Shaft Support Block

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$47.49
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 o
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Yukon Gear – Pilot Bearing For Ford 8" (Part No.18043)

Pilot Bearing For Ford 8"

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$42.99
9.25 Chrysler FRONT PINION KIT , 03 & UP DODGE TRUCK .

Product Features:
  • Pilot bearing
  • Fits Ford 8″
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Powertrax – Lock Right Locker (Part No.1810-LR)

Lock Right Locker

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$339.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
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    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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    USA Standard Gear – Master Overhaul Kit for the Ford 8" Differential (Part No.37028)

    Master Overhaul Kit for the Ford 8" Differential

    from

    $248.99
    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 8″
    • 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, 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 346 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 9 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 186 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:
    Bearings
    from $17.99
    (36)
    Bearings
    Differential Bearings
    Multi Purpose Seal
    from $11.99
    (28)
    Multi Purpose Seal
    Differential Pinion Seals
    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 346 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
    Pinion Crush Sleeves
    from $5.99
    This product is not rated
    Pinion Crush Sleeves
    Differential Crush Sleeves

    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
    “Great Seal!”
    Differential Ring And Pinion
    from $344.99
    (2)
    Differential Ring And Pinion
    “Used it to upgrade my alternator on my 04 Jeep Grand Cherokee. It was a direct fit on my 4.7 HO.”