1983 Mercury Zephyr Differentials

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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 Differential Pinion Seals, Rear Housing Cover Gaskets, and Differential Covers. 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 Motive Gear, National, and Powertrax. For example, Motive Gear Differentials start at just $6.99 with an average 4.1 star rating. National and Powertrax offer similar pricing and quality, backed by strong customer feedback. With over 120 reviews and a solid 4.6 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 $109.47, with a range that starts at $1.29 and goes up to $789.99. With 69 options in stock from 15 trusted brands, finding the right fit is easy. Popular picks like Dorman – Help Differential Shaft Lock Bolt, 81048, Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002, and "Yukon Gear Cover Bolt For Ford 7.5"", 8.8"" & 9.75"", 33554" 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.

Essential 1983 Mercury Zephyr Differentials

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

"Yukon Gear Minor Install Kit for Ford 7.5"" Differential, 12033"

from

$55.99
Yukon Minimum Installation Kits are a low-cost solution for ring and pinion gear changes in newer vehicles where the bearings can be reused. Kits include all high-quality components for a smooth differential set up.
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Driveworks – Driveworks Taper Bearing Set, S-A-17 (Part No.S-A-17)

Driveworks Taper Bearing Set, S-A-17

from

$12.49
Value-priced bearing meets all cataloged application requirements.
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Yukon Gear – "Yukon Gear Grizzly Locker For Ford 8"" With 31 Spline Axles, 28007" (Part No.28007)

"Yukon Gear Grizzly Locker For Ford 8"" With 31 Spline Axles, 28007"

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!
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Pro-King – Pro-King Differential Crush Sleeve, 761A034 (Part No.761A034)

Pro-King Differential Crush Sleeve, 761A034

from

$2.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Yukon Gear – "Yukon Gear Chrome Cover for 7.5"" Ford, 32008" (Part No.32008)

"Yukon Gear Chrome Cover for 7.5"" Ford, 32008"

from

$42.99
These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.
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Yukon Gear – "Yukon Gear Dana 44, Ford 8"" / 9"", and Model 20 Side Gear Thrust Washer Replacement, 33283" (Part No.33283)

"Yukon Gear Dana 44, Ford 8"" / 9"", and Model 20 Side Gear Thrust Washer Replacement, 33283"

from

$5.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear 8"" Ford Pilot Bearing Retainer, 33254" (Part No.33254)

"Yukon Gear 8"" Ford Pilot Bearing Retainer, 33254"

from

$13.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Motive Gear – Motive Gear Differential Internal Carrier Gear Kit, F7.5BI (Part No.F7.5BI)

Motive Gear Differential Internal Carrier Gear Kit, F7.5BI

from

$149.99
Motive Gear Differential Internal Carrier Gear Kit, F7.5BI.
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Dorman – Help – Dorman – Help Differential Shaft Lock Bolt, 81048 (Part No.81048)

Dorman - Help Differential Shaft Lock Bolt, 81048

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.
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USA Standard Gear – "USA Standard Gear Ring & Pinion Gear Set For Ford 8"" In A 4.11 Ratio, 36119" (Part No.36119)

"USA Standard Gear Ring & Pinion Gear Set For Ford 8"" In A 4.11 Ratio, 36119"

from

$409.99
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.
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Yukon Gear – "Yukon Gear Trac Loc Spring Plate for Ford 9"" & 8, 33517" (Part No.33517)

"Yukon Gear Trac Loc Spring Plate for Ford 9"" & 8, 33517"

from

$10.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Felpro – Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55393 (Part No.RDS 55393)

Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55393

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

Motive Gear Differential Pinion Nut, 379570S

from

$6.99
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 – "Yukon Gear Un-Notched Cross Pin Shaft for 7.5"" Ford. Oem, Not Auburn Gear, 33330" (Part No.33330)

"Yukon Gear Un-Notched Cross Pin Shaft for 7.5"" Ford. Oem, Not Auburn Gear, 33330"

from

$36.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Sealed Power – Sealed Power Engine Auxiliary Shaft Bearing Set, 1460M (Part No.1460M)

Sealed Power Engine Auxiliary Shaft Bearing Set, 1460M

from

$23.99
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.
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Pro-King – Pro-King Differential Internal Nest Kit, 761A717 (Part No.761A717)

Pro-King Differential Internal Nest Kit, 761A717

from

$309.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Motive Gear – Motive Gear Differential Gear Install Kit, F7.5IK (Part No.F7.5IK)

Motive Gear Differential Gear Install Kit, F7.5IK

from

$35.49
Motive Gear Differential Gear Install Kit, F7.5IK.
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Yukon Gear – "Yukon Gear Super Carrier Shim Kit for Ford 7.5"", GM 7.5"", 8.2"" & 8.5, 55001" (Part No.55001)

"Yukon Gear Super Carrier Shim Kit for Ford 7.5"", GM 7.5"", 8.2"" & 8.5, 55001"

from

$59.99
Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.
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Yukon Gear – "Yukon Gear Redline Synthetic ""Shock Proof"" Oil – 4 Quarts, 15004" (Part No.15004)

"Yukon Gear Redline Synthetic ""Shock Proof"" Oil - 4 Quarts, 15004"

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Yukon Gear – "Yukon Gear Bearing Install Kit for Ford 8"" Diff. with Aftermarket Positraction Or Locker, 11112" (Part No.11112)

"Yukon Gear Bearing Install Kit for Ford 8"" Diff. with Aftermarket Positraction Or Locker, 11112"

from

$236.99
Yukon Bearing Installation Kits are perfect for shops and 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. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to properly install your ring and pinion gear set.
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Yukon Gear – "Yukon Gear Ford 8"" & 9"" Standard Open, Ag, & Detroit Locker Ring Gear Bolt, 33058" (Part No.33058)

"Yukon Gear Ford 8"" & 9"" Standard Open, Ag, & Detroit Locker Ring Gear Bolt, 33058"

from

$5.99
“Ford 8″” & 9″” standard Open, AG, & Detroit locker ring gear bolt. 7/16″” head, .925″” long.”
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Yukon Gear – "Yukon Gear 8.5"" & 8.2"" GM carrier installation kit, 57008" (Part No.57008)

"Yukon Gear 8.5"" & 8.2"" GM carrier installation kit, 57008"

from

$109.99
Yukon Carrier Installation Kits are a convenient and low-cost solution for carrier changes in cases where one is upgrading to a positraction limited slip differential, a mechanical locker, or an air operated locker. These kits contain carrier bearings and races and a carrier shim kit.
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Yukon Gear – "Yukon Gear Flange Yoke for Ford 7.5"" Passenger and Truck (4.3"" OD), 41045" (Part No.41045)

"Yukon Gear Flange Yoke for Ford 7.5"" Passenger and Truck (4.3"" OD), 41045"

from

$314.99
Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.
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National – National Shaft Repair Sleeve, 99166 (Part No.99166)

National Shaft Repair Sleeve, 99166

from

$36.49
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.
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Yukon Gear – "Yukon Gear Trac Loc Clutch Hub For 9"" Ford With 28 Splines, 16159" (Part No.16159)

"Yukon Gear Trac Loc Clutch Hub For 9"" Ford With 28 Splines, 16159"

from

$139.99
“Trac Loc clutch hub for 9″” Ford with 28 splines.”
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Yukon Gear – "Yukon Gear Pinion Gear for 8"" and 9"" Ford, 16160" (Part No.16160)

"Yukon Gear Pinion Gear for 8"" and 9"" Ford, 16160"

from

$23.99
Yukon Gear & Axle manufactures a full line of top-quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers, and other general maintenance items. You can count on Yukon to fulfill all your differential small parts needs.
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Yukon Gear – "Yukon Gear Pinion Gear and Thrust Washer for 8"" and 9"" Ford, Model 20, and 7.25"" Chrysler, 33301" (Part No.33301)

"Yukon Gear Pinion Gear and Thrust Washer for 8"" and 9"" Ford, Model 20, and 7.25"" Chrysler, 33301"

from

$4.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – "Yukon Gear Cover Bolt For Ford 7.5"", 8.8"" & 9.75"", 33554" (Part No.33554)

"Yukon Gear Cover Bolt For Ford 7.5"", 8.8"" & 9.75"", 33554"

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.”
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Most Popular Differential Pinion Seal for 1983 Mercury Zephyrs

Enhance your 1983 Mercury Zephyr with this popular Differential Pinion Seal we have in stock, for $11.99.

Schaeffler – Schaeffler Shaft Seal, SS2865 (Part No.SS2865)

Schaeffler Shaft Seal, SS2865

from

$11.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
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Best-Selling 1983 Mercury Zephyr Rear Housing Cover Gaskets

Upgrade your Zephyr with one of our 2 best-selling Rear Housing Cover Gaskets, earning an average 4 stars rating across 13 reviews.

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

Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55393

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.
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Victor Reinz – Victor Reinz Axle Housing Cover Gasket, 71-14838-00 (Part No.71-14838-00)

Victor Reinz Axle Housing Cover Gasket, 71-14838-00

from

$7.49
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Top-Quality Differential Covers for 1983 Mercury Zephyrs

Choose a high-quality OEM or aftermarket Differential Cover for Mercury Zephyrs and enjoy top-notch performance from $8.99.

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

"Yukon Gear Outer Oil Slinger For Ford 7.5"", 8.8"", 9"", 10.25"", 33022"

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.”
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Yukon Gear – Yukon Gear Ford OEM Steel Differential Cover, 32364 (Part No.32364)

Yukon Gear Ford OEM Steel Differential Cover, 32364

from

$99.99
These Yukon replacement diff covers are a direct bolt-on.
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Yukon Gear – "Yukon Gear Chrome Cover for 7.5"" Ford, 32008" (Part No.32008)

"Yukon Gear Chrome Cover for 7.5"" Ford, 32008"

from

$42.99
These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.
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Top Picks for 1983 Mercury Zephyr Differential Oil

Invest in one of our 3 durable Differential Oil for your 1983 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

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

Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.
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Yukon Gear – "Yukon Gear Redline Synthetic ""Shock Proof"" Oil – 4 Quarts, 15004" (Part No.15004)

"Yukon Gear Redline Synthetic ""Shock Proof"" Oil - 4 Quarts, 15004"

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891

from

$35.99
Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it€™s designed to help prevent leaks, reduce wear and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.
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Our Top-Rated Differential Carrier Bearing Set for 1983 Mercury Zephyrs

Make a smart move for your 1983 Mercury Zephyr with our Differential Carrier Bearing Set for $12.49.

Driveworks – Driveworks Taper Bearing Set, S-A-17 (Part No.S-A-17)

Driveworks Taper Bearing Set, S-A-17

from

$12.49
Value-priced bearing meets all cataloged application requirements.
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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 15 trusted brands. We carry the most popular Differential brands including Powertrax, National, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 5.0 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 Powertrax 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 Powertrax Differentials. We have 1 Powertrax Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $444.99, you’ll find the perfect Differential for your needs and budget. Powertrax Differentials for the 1983 Mercury Zephyr come highly rated, with over 1 customer reviews and an impressive average rating of 5.0 stars. Choosing a Powertrax Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Powertrax Differential Lock Assembly, 1830-LR
from $444.99
(1)
Powertrax Differential Lock Assembly, 1830-LR
“Fast service and the right part.”

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 1 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, giving you a range of options to suit your budget. Backed by over 2 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.
National Bearing Race, LM501314
from $11.99
(2)
National Bearing Race, LM501314
“good quality & price”

FAQs for 1983 Mercury Zephyr Differentials

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

Out of 69 Differentials that fit 1983 Mercury Zephyrs, the following parts are the top sellers:

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 $789.99 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 $109.47. 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:

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 are the top-rated Differentials that fit the 1983 Mercury Zephyr?

The one 1983 Mercury Zephyr Differential we have in stock is the Pro-King Differential Ring Gear Bolt, 761A935. It costs $1.29.

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

As of 8/2/26, 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.