1983 Mercury Zephyr Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1983 Mercury Zephyr in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1983 Mercury Zephyr looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Housing Cover Gaskets, Differential Covers, and Differential Bearings. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National, Motive Gear, and Valvoline. For example, National Differentials start at just $11.99 with an average 4.3 star rating. Motive Gear and Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 1,936 reviews and a solid 5 star average, you can shop with confidence knowing other Mercury Zephyr owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1983 Mercury Zephyr Differential at Advance Auto Parts is around $156.44, with a range that starts at $1.29 and goes up to $1,566.99. With 83 options in stock from 13 trusted brands, finding the right fit is easy. Popular picks like 3 Qt – 80W90 Conventional Gear Oil With Posi Additive, Differential Shaft Lock Bolt, and 3 Qt – Penzoil 80W90 Conventional Gear Oil start at just $6.79 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1983 Mercury Zephyr in peak condition, inside and out.

Looking for the perfect Differential for your 1983 Mercury Zephyr? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Mercury Zephyr. Whether you’re driving a 1983 model or another popular model year like 1978, 1979, 1980, 1981, and 1982, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.

Essential 1983 Mercury Zephyr Differentials

from

$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″

from

$57.99

3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

from

$55.99

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 7.5″
Included are a pinion seal, crush sleeve, complete shim kit, marking compound and brush.

from

$35.49

Product Features:

MINI INSTALL KIT FORD 7.5

from

$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

from

$8.99

Product Features:

Steel clutch plate
Fits Ford 8″ and 9″ Trac Loc

from

$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$51.99

Flat side gear without hub for 8″ and 9″ Ford with 28 splines.

Product Features:

Side gear without hub
Fits Ford 8″ and 9″ Trac Loc positraction with 28 spline axles

from

$24.99

8″ Ford pinion seal.Yukon Mighty seal.

Product Features:

Pinion seal
Fits Ford 8″

from

$6.79

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

$9.99

7.5″ Ford cover gasket.

Product Features:

Cover gasket
Fits Ford 7.5″

from

$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

from

$534.99

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 8″
8.00″ ring gear diameter
25 spline pinion
10 ring gear bolts
4.11 ratio

from

$42.99

Chrome cover for 7.5″ Ford.

Product Features:

Fits Ford 7.5″
Chrome

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

from

$7.49

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

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

$309.99

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

Product Features:

Meets or exceeds OE specifications

from

$236.99

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 Timken bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, 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 8″ with aftermarket positraction
Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve, marking compound and brush.

from

$36.99

Un-notched cross pin shaft for 7.5″ Ford. OEM, not Auburn gear.

Product Features:

Cross pin shaft for Ford 7.5″
3.45 and down ratios only

from

$153.99

M802048 set-up bearing (one bearing). No return.

Product Features:

Set up bearing
Fits M802048 pinion bearing
Easily slips on and off pinion journal to allow for easier pinion depth adjustment

from

$188.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits M86610 race
All steel construction

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

from

$941.99

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 31 spline axles
Patented internal design reduces common locker failures
8620 internals for added strength
Assembled in the USA

from

$19.99

Standard Open side gear thrust washer for 7.5″ Ford.

Product Features:

Side gear thrust washer
Fits Ford 7.5″

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 without damaging other engine parts
Babbitt is more environmentally friendly than other material
ISO & QS certified manufacturing

from

$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

from

$6.99

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

Product Features:

Meets or exceeds OE specifications

Popular 1983 Mercury Zephyr Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Differential Cover Bolts

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 Carrier Bearings

Differential Lock Springs

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Carrier Bearing Shims

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Oil Deflectors

Auxiliary Shaft Bearings

Differential Spider and Pinion Gear Kits

Differential Pinion Bearing Spacers

Differential Bolts

Most Popular Rear Housing Cover Gasket for 1983 Mercury Zephyrs

Enhance your 1983 Mercury Zephyr with this popular Rear Housing Cover Gasket we have in stock, for $7.49.

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from

$7.49

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

Best-Selling 1983 Mercury Zephyr Differential Covers

Upgrade your Zephyr with one of our 2 best-selling Differential Covers.

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from

$99.99

DiffrlCover

from

$42.99

Chrome cover for 7.5″ Ford.

Product Features:

Fits Ford 7.5″
Chrome

Top-Quality Differential Bearings for 1983 Mercury Zephyrs

Choose a high-quality OEM or aftermarket Differential Bearing for Mercury Zephyrs and enjoy top-notch performance from $10.99.

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from

$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

Top Picks for 1983 Mercury Zephyr Differential Oil

Invest in one of our 6 durable Differential Oil for your 1983 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

show more show less

from

$35.99

Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

Product Features:

Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
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

from

$57.99

3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

from

$44.99

3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:

Includes three quarts of conventional oil

from

$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

from

$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

from

$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

Our Rear Differential Cover Gaskets for 1983 Mercury Zephyrs

Make a smart move for your 1983 Mercury Zephyr with our Rear Differential Cover Gasket for $9.99.

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from

$9.99

7.5″ Ford cover gasket.

Product Features:

Cover gasket
Fits Ford 7.5″

Top-Rated Differential Brands For Your 1983 Mercury Zephyr

When it comes to finding the perfect Differential for your 1983 Mercury Zephyr, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 13 trusted brands. We carry the most popular Differential brands including Valvoline, National, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $6.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1983 Mercury Zephyr, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 1983 Mercury Zephyr Differentials

If you’re looking for a top-quality Differential for your 1983 Mercury Zephyr, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $35.99, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1983 Mercury Zephyr come highly rated, with over 446 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $35.99

(446)

MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

“Good quality great price”

Top-Quality National 1983 Mercury Zephyr Differentials

For those in search of a high-quality Differential for their 1983 Mercury Zephyr, Advance Auto Parts offers a great selection of National Differentials. With 2 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $11.99, with an average price of $14.99, giving you a range of options to suit your budget. Backed by over 9 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $17.99

(7)

Multi-Purpose Bearing

“Comparable with the Timkens I removed. NATIONAL bearings have lasted decades in many of my other machines.”

from $11.99

(2)

Bearing Race

“Reasonable price and woks well. front diff 2006 Escalade esv”

FAQs for 1983 Mercury Zephyr Differentials

What are the best-selling Differentials for 1983 Mercury Zephyrs?

Out of 83 Differentials that fit 1983 Mercury Zephyrs, the following parts are the top sellers:

3 Qt – 80W90 Conventional Gear Oil With Posi Additive (11645418) – $57.99
Differential Shaft Lock Bolt (5707714) – $6.79
3 Qt – Penzoil 80W90 Conventional Gear Oil (11644279) – $44.99

What’s the price range for 1983 Mercury Zephyr Differentials?

The prices of Differentials for the 1983 Mercury Zephyr range from $1.29 up to $1,566.99 for the most premium parts.

What is the average price of a Differential for a 1983 Mercury Zephyr?

The average price for Differentials for the 1983 Mercury Zephyr is $156.44. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Differentials for other Mercury Zephyr model years?

Yes, we carry Differentials for 4 model years of Mercury Zephyrs between 1978 and 1982. The following model years are the most popular for Differential purchases: 1982, 1981, 1980, 1979, and 1978.

What are the cheapest Differentials for my 1983 Mercury Zephyr?

The cheapest 1983 Mercury Zephyr Differentials we carry are:

Differential Ring Gear Bolt (10282257) – $1.29
Ring Gear Bolt (20520509) – $1.99
Differential Crush Sleeve (10282338) – $2.99
Differential Cross Shaft (10282201) – $2.99
Differential Crush Sleeve (10715159) – $3.99

Does Advance Auto Parts sell Differentials for any other 1983 Mercury models?

Yes. We stock Differentials for 4 other popular 1983 Mercury models. Some of the most popular are 1983 Cougar Differentials, 1983 Grand Marquis Differentials, 1983 Capri Differentials, 1983 Marquis Differentials, and 1983 Lynx Differentials.

What types of Differentials do you sell for my 1983 Mercury Zephyr?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1983 Mercury Zephyr:

Can I get help with 1983 Mercury Zephyr Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Differentials and more.

What is your return policy for Mercury Zephyr Differentials?

Advance Auto Parts keeps returns simple. For new Mercury Zephyr Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1983 Mercury Zephyr Differentials

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

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

Yukon Gear – Minor Install Kit For Ford 7.5" Differential (Part No.12033)

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

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

Yukon Gear – Trac Loc Steel Clutch Plate, 4 Tab (Part No.16178)

Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

Yukon Gear – Flat Side Gear Without Hub For 8" And 9" Ford With 28 Splines (Part No.16164)

Yukon Gear – 8" Ford Pinion Seal (Part No.30180)

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

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

Yukon Gear – Cover Bolt For Ford 7.5", 8.8" & 9.75" (Part No.33554)

Yukon Gear – High Performance Ring & Pinion Gear Set For Ford 8" In A 4.11 Ratio (Part No.24094)

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

Yukon Gear – 8.5" & 8.2" GM Carrier Installation Kit (Part No.57008)

Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55393)

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

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

Yukon Gear – Bearing Install Kit For Ford 8" Differential With Aftermarket Positraction Or Locker (Part No.11112)

Yukon Gear – Un-Notched Cross Pin Shaft For 7.5" Ford – Oem, Not Auburn Gear (Part No.33330)

Yukon Gear – Set Up Bearing (Part No.56045)

Yukon Gear – Bearing Race Driver (Part No.56022)

Yukon Gear – Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25" (Part No.33022)

Yukon Gear – Grizzly Locker For Ford 8" With 31 Spline Axles (Part No.28007)

Yukon Gear – Standard Open Side Gear And Thrust Washer For 7.5" Ford (Part No.33295)

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

Yukon Gear – Pinion Nut (Part No.33154)

Pro-King – Differential Pinion Shim Kit (Part No.742G202)

Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55393)

Yukon Gear – DiffrlCover (Part No.32364)

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

Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

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

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

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

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

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