1978 Mercury Zephyr Differentials

Name: Trac-Loc For Ford 8" Wtih 28 Spline Axles - Street Design
Brand: Yukon Gear
SKU: 26002
Price: 889.99 USD

Find your specific 1978 Mercury Zephyr original or aftermarket Differentials below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.

Essential 1978 Mercury Zephyr Differentials

from

$889.99

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 8″ 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

from

$789.99

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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$9.99

CUP

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$379.99

8″ TracLoc case, bare, 2 or 4 PIN, 4 TAB clutch design.

Product Features:

Trac Loc positraction carrier case
Does not include spider gears
Fits Ford 8″

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$8.99

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.

from

$22.99

Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:

Steel-backed Babbitt lining material
Used in automotive and high-performance
Babbitt is designed to perform under extreme loads w/o damaging other engine parts
Babbitt is more environmentally friendly than other material
ISO & QS certified manufacturing

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$215.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits M802011 race
All steel construction

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$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″

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$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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$29.99

Product Features:

Friction plate
Fits Ford 8″ and 9″ Trac Loc

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$15.99

SHAFT SEAL

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$35.49

Product Features:

MINI INSTALL KIT FORD 7.5

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$5.99

Product Features:

Side gear thrust washer for Ford 8″, Ford 9″ and AMC Model 20
0.030″ thick

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$9.99

Crush Sleeve for Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9 3/8″, 9″ & 9.75″. .480″ long.

Product Features:

Crush sleeve for AMC Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9″ and 9.75″
0.480″ tall

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$9.99

8″ Ford O-ring.

Product Features:

Pinion support o-ring
Fits Ford 8″

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$31.99

8″ Ford pinion shim kit.

Product Features:

Pinion depth shims for Ford 8″

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$5.99

This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models.
Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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

from

$9.99

7.5″ Ford cover gasket.

Product Features:

Cover gasket
Fits Ford 7.5″

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$233.99

Product Features:

FRD 10BL 7.5 R/P 4.10 MG

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$302.99

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 8″
Included are Timken 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.

from

$84.99

7.5″ Ford notched cross pin shaft. Not Auburn gear. This cross pin shaft is not compatible with Powertrax Lock Rights or Spartan Lockers.

Product Features:

Notched cross pin shaft for Ford 7.5″
3.73 and up ratios
Not compatible with Spartan Locker or Powertrax Lock Right

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$59.99

Product Features:

Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
Interlocking design makes installation much easier

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$275.99

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.

from

$143.99

The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

Product Features:

AXLE SHAFT 8.8″ 28 SPL. 29 1/4″ 79-93 MUSTANG L & R

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$309.99

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.

from

$10.99

Standard Open & TracLoc pinion gear thrust washer for 7.5″ Ford.

Product Features:

Pinion gear thrust washer
Fits Ford 7.5″

from

$4.99

Pinion gear thrust washer for 8″ and 9″ Ford, Model 20, and 7.25″ Chrysler.

Product Features:

Pinion gear thrust washer for Ford 8″, Ford 9″ and Chrysler 7.25″

Popular 1978 Mercury Zephyr Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Clutch Packs

Differential Ring and Pinions

Differential End Yokes

Differential Lock Springs

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Housing O-Rings

Differential Side Gear Thrust Washers

Differential Pilot Bearing

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Gear Bearing Retainer Bolts

Auxiliary Shaft Bearings

Limited Slip Differential Assemblies

Differential Spider and Pinion Gear Kits

Differential Pinion Bearing Spacers

Maybe you’re in the middle of a full rebuild of that 1978 Mercury Zephyr. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 102 different Differentials in our inventory ranging from $0.99 to $1,566.99. That means you can find the exact parts or products you need to keep that 1978 Mercury Zephyr running smoothly.

Differentials are only as good as their brand. We stock 13 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Mercury Zephyr. Yukon Gear, National, and FELPRO 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 Mercury Zephyr, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 150 reviews in this category, some of the top rated parts include Differential Master Bearing Kit – Koyo with 5.0 stars and Differential Pinion Shim Kit with 5.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1978 Mercury Zephyr 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 Mercury Zephyr Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Mercury Zephyr 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 Zephyr the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Powertrax Differentials

We carry Powertrax parts in our stock across Complete Differentials categories, plus more. For a 1978 Mercury Zephyr, our most popular Powertrax Differentials include:

from $444.99

(1)

Lock Right Locker

Complete Differentials

Top 1978 Mercury Zephyr Differentials from Felpro

Felpro products are another trusted brand when it comes to Differentials for your 1978 Mercury Zephyr. Popular Felpro parts include:

from $6.49

(13)

Differential Cover Gasket

Rear Differential Cover Gaskets

FAQs for 1978 Mercury Zephyr Differentials

What are the most purchased Differentials for the 1978 Mercury Zephyr?

Out of 102 Differentials for the 1978 Mercury Zephyr, the most popular in our inventory are:

from $57.99

This product is not rated

3 Qt – 80W90 Conventional Gear Oil With Posi Additive

Differential Oil

from $23.99

(7)

Bearings

Front Differential Pinion Bearings

from $4.79

(1)

Oil Seal

Differential Pinion Seals

What are the top-rated 1978 Mercury Zephyr Differentials?

Top-rated Differentials for your 1978 Mercury Zephyr based on customer reviews/ratings are:

from $112.99

(1)

Differential Master Bearing Kit – Koyo

“perfect product”

from $7.49

(1)

Differential Pinion Shim Kit

“good product”

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”

1978 Mercury Zephyr Differentials

More 1978 Mercury Zephyr Differentials

Essential 1978 Mercury Zephyr Differentials

Yukon Gear – Trac-Loc For Ford 8" Wtih 28 Spline Axles – Street Design (Part No.26002)

Yukon Gear – Dura Grip For Ford 7.5" (Part No.26034)

FAG US – CUP (Part No.LM501310)

Yukon Gear – Trac Loc Case For Ford 8" (Part No.20075)

Pro-King – Differential Bearing Cup (Part No.742G256)

Sealed Power – Engine Auxiliary Shaft Bearing Set (Part No.1460M)

Yukon Gear – Bearing Race Driver (Part No.56020)

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

Yukon Gear – Pinion Support Bolt For 8" And 9" Ford (Part No.33242)

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

FAG US – SHAFT SEAL (Part No.SS2865)

Motive Gear – Differential Gear Install Kit (Part No.F7.5IK)

Yukon Gear – Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement (Part No.33283)

Yukon Gear – Crush Sleeve (Part No.33085)

Yukon Gear – 8" Ford O-Ring (Part No.30027)

Yukon Gear – Pinion Depth Shims For Ford 8" (Part No.55055)

Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

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

Yukon Gear – 7.5" Ford Cover Gasket (Part No.23009)

Motive Gear – Differential Ring and Pinion (Part No.F7.5-410)

Yukon Gear – Master Overhaul Kit For Ford 8" Differential (Part No.14047)

Yukon Gear – 7.5" Ford Notched Cross Pin Shaft (Part No.33430)

Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

USA Standard Gear – Master Overhaul Kit for the Ford 8" Differential (Part No.37028)

Motive Gear – Axle Shaft (Part No.MG1231)

Pro-King – Differential Internal Nest Kit (Part No.761A717)

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

Yukon Gear – Pinion Gear And Thrust Washer For 8" And 9" Ford, Model 20, And 7.25" Chrysler (Part No.33301)

Popular 1978 Mercury Zephyr Differentials Categories