1979 Mercury Zephyr Differentials

Essential 1979 Mercury Zephyr Differentials

Yukon Gear – 8" Ford Pilot Bearing Retainer (Part No.33254)

8" Ford Pilot Bearing Retainer

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$13.99
8″ Ford pilot bearing retainer.

Product Features:
  • Pilot bearing retainer for Ford 8″
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Driveworks – Oil Seal (Part No.S-3604)

Oil Seal

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$4.79
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Richmond Gear – RngPnnInstlKt (Part No.83-1045-1)

RngPnnInstlKt

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$199.99
RngPnnInstlKt

Yukon Gear – Standard Open Spider Gear Kit For 7.5" Ford With 28 Spline Axles (Part No.16014)

Standard Open Spider Gear Kit For 7.5" Ford With 28 Spline Axles

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$214.99
Yukon standard open spider gear kit for 7.5″ Ford with 28 spline axles. 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 7.5″ open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Motive Gear – Axle Shaft (Part No.MG1231)

Axle Shaft

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

Engine Auxiliary Shaft Bearing Set

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$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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National – Bearings (Part No.HM88648)

Bearings

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$27.49
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
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Yukon Gear – Pinion Install Kit For Ford 8" Differential (Part No.13040)

Pinion Install Kit For Ford 8" Differential

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$251.99
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, 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 8″
  • 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 – Differential Gear Install Kit (Part No.F7.5IK)

Differential Gear Install Kit

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$35.49


Product Features:
  • MINI INSTALL KIT FORD 7.5
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Yukon Gear – Grizzly Locker For Ford 8" With 28 Spline Axles (Part No.28006)

Grizzly Locker For Ford 8" With 28 Spline Axles

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$931.99
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″ with 28 spline axles
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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USA Standard Gear – Ring & Pinion Gear Set For Ford 8" In A 3.25 Ratio (Part No.36116)

Ring & Pinion Gear Set For Ford 8" In A 3.25 Ratio

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$429.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:
  • Fits Ford 8″
  • 8.00″ ring gear diameter
  • 25 spline pinion
  • 10 ring gear bolts
  • 3.25 ratio
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Motive Gear – Differential Pinion Nut (Part No.379570S)

Differential Pinion Nut

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$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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Felpro – Differential Cover Gasket (Part No.RDS 55393)

Differential Cover Gasket

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$6.49
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 Internal Nest Kit (Part No.761A717)

Differential Internal Nest Kit

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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.
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Yukon Gear – Chrome Cover For 7.5" Ford (Part No.32008)

Chrome Cover For 7.5" Ford

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$42.99
Chrome cover for 7.5″ Ford.

Product Features:
  • Fits Ford 7.5″
  • Chrome
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Yukon Gear – Copper Washer For Ford 9" & 8" Dropout Housing (Part No.32339)

Copper Washer For Ford 9" & 8" Dropout Housing

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$5.99
Product Features:
  • Copper washer
  • Fits Ford 8″ and 9″
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Yukon Gear – Cover Bolt For Ford 7.5", 8.8" & 9.75" (Part No.33554)

Cover Bolt For Ford 7.5", 8.8" & 9.75"

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$6.99
Yukon 1541H alloy replacement rear axle for Dana 60, 70, and 80, 35 spline. (40″ to 43.5″) Full float axle (8×3.96″ ). Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a full-floating axle.

Product Features:
  • 35 spline
  • 8 x 3.96″ bolt pattern
  • Cut to length design fits 40″-43.5″ applications
  • Fits Dana Spicer 60, 70 and 80
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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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Yukon Gear – Standard Open Cross Pin Shaft (.750") For Ford 8", 8.8", 9" And Model 20 (Part No.33332)

Standard Open Cross Pin Shaft (.750") For Ford 8", 8.8", 9" And Model 20

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$16.99
Standard open cross pin shaft (.750″) for Ford 8″, 8.8″, 9″ and Model 20.

Product Features:
  • Cross pin shaft for Ford 8″, 8.8″ and 9″ and AMC Model 20
  • Fits standard open differentials only
  • 0.750″ diameter
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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

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$10.99
Standard Open & TracLoc pinion gear thrust washer for 7.5″ Ford.

Product Features:
  • Pinion gear thrust washer
  • Fits Ford 7.5″
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Yukon Gear – Minor Install Kit For Ford 8" Differential (Part No.12034)

Minor Install Kit For Ford 8" Differential

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$74.99
Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), complete shim kit, marking compound and brush.

Product Features:
  • Fits Ford 8″
  • Included are a pinion seal, crush sleeve, complete shim kit, marking compound and brush.
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Yukon Gear – 8.5" & 8.2" GM Carrier Installation Kit (Part No.57008)

8.5" & 8.2" GM Carrier Installation Kit

from

$109.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.2″ & 8.5″ differential. This kit contains carrier bearings, races and shims.

Product Features:
  • Fits GM 7.5″, 7.625″ 8.2″ and 8.5″
  • Includes carrier bearings and races and “super” carrier shim kit
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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"

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$27.99
8.25″ IFS, 8.5″, 12P, 7.5″ F, 8.8″ F, 8.25″ Chrysler pinion shim kit.

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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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Redline Synthetic "Shock Proof" Oil - 3 Quarts

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$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:
  • Includes three quarts of Redline Shockproof oil
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National – Shaft Repair Sleeve (Part No.99181)

Shaft Repair Sleeve

from

$37.49
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:
  • 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 – Trac Loc Spring For Ford 7.5" (Part No.33514)

Trac Loc Spring For Ford 7.5"

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$67.99
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:
  • Trac Loc spring
  • Fits Ford 7.5″
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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 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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1979 Mercury Zephyr Differentials

Maybe you’re in the middle of a full rebuild of that 1979 Mercury Zephyr. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 95 different Differentials in our inventory ranging from $0.99 to $789.99. That means you can find the exact parts or products you need to keep that 1979 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 1979 Mercury Zephyr. National, Yukon Gear, 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 1979 Mercury Zephyr, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 390 reviews in this category, some of the top rated parts include Bearings with 4.7 stars and Taper Bearing Cone with 3.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1979 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 1979 Mercury Zephyr Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1979 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 Differential Open Unit and Components categories, plus more. For a 1979 Mercury Zephyr, our most popular Powertrax Differentials include:
Lock Right Locker
from $444.99
(1)
Lock Right Locker
Differential Open Unit and Components

Top 1979 Mercury Zephyr Differentials from National

National products are another trusted brand when it comes to Differentials for your 1979 Mercury Zephyr. 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 $10.49
(4)
Bearings
Rear Differential Pinion Bearings

FAQs for 1979 Mercury Zephyr Differentials

What are the most purchased Differentials for the 1979 Mercury Zephyr?

Out of 95 Differentials for the 1979 Mercury Zephyr, 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
Differential Cover Gasket
from $6.49
(13)
Differential Cover Gasket
Rear Housing Cover Gaskets
Oil Seal
from $4.79
(1)
Oil Seal
Differential Pinion Seals

What are the top-rated 1979 Mercury Zephyr Differentials?

Top-rated Differentials for your 1979 Mercury Zephyr based on customer reviews/ratings are:
Bearings
from $18.79
(3)
Bearings
“as advertised”
Taper Bearing Cone
from $17.99
(2)
Taper Bearing Cone
“good deal”
Shaft Repair Sleeve
from $37.99
(1)
Shaft Repair Sleeve
“Very delicate piece, but came shipped quite safely and not damaged. High quality.”