1981 Mercury Zephyr Drivetrains

Name: Differential Internal Nest Kit
Brand: Pro-King
SKU: 761A717
Price: 309.99 USD

Below you will find various in-demand Mercury Drivetrains, components and accessories for your 1981 Zephyr. Advance Auto Parts has popular Zephyr parts like Spindles, Universal Joints, Differentials and more. You’ll also find aftermarket and OEM Drivetrains for other Zephyr model years including 1978, 1979, 1980, 1982, 1983 and more. Select a category of 1981 Mercury Zephyr Drivetrains below and start saving instantly.

Popular 1981 Mercury Zephyr Drivetrains Categories

Differential Oil

Axle Shaft Universal Joints

Drive Shaft Support Bolts

U-Joints

Rear Differential Cover Gaskets

Differential Covers

Differential Pinion Shaft Lock Bolts

Axle Shaft Bearing Assemblies

Differential Bearings

Differential Axle Shafts

Bearing Pullers

Axle Shaft Seals

Differential Pinion Pilot Bearings

Differential Cover Bolts

Axle Shaft Bearings

Differential Bearing Kits

Input Shaft Bearings

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Clutch Packs

Rear Axle Shaft Bearings

Differential Ring and Pinions

Differential End Yokes

Spindle Lock Nuts

Rear Differential Pinion Bearings

Differential Carrier Bearings

Differential Lock Springs

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Axle Shaft Seal Retainers

Drive Shaft Seals

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Input Shaft Seals

Spindle Retainers

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Mounting Adapter Seals

Differential Side Gear Thrust Washers

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Oil Deflectors

Auxiliary Shaft Bearings

Spindle Washers

Differential Spider and Pinion Gear Kits

Differential Pinion Bearing Spacers

Essential Drivetrains for 1981 Mercury Zephyrs

from

$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

$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

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

$42.99

Yukon axle bearing & seal kits are specially designed for each application & use all high quality bearings & seals. R1563TAV axle bearing and seal kit, TorringtonBrand, 2.250″ OD, 1.400″ ID. This axle bearing & seal kit services one side only.

Product Features:

Includes axle bearing and seal
Services one side
Torrington Brand
2.250″ O.D.
1.400″ I.D.

from

$15.49

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

from

$314.99

Yukon flange yoke for Ford 7.5″ passenger and truck (4.3″ OD). All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits Ford 7.5″
28 spline
Round companion flange
4.3″ O.D.

from

$5.79

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 on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.

from

$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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$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″

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$10.49

Product Features:

SOLID SPACER FORD 8.8″ & 9″

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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

from

$35.99

You expect a lot from your vehicle, and Spicer Life Series (SPL) universal joints deliver. SPL universal joints consistently outperform competitors, so you can hit the road or trail with confidence. Check out the difference that SPL universal joints can make in your vehicle, and make sure you’re getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.

from

$5.99

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

$4.49

This spindle nut 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 spindle nut matches the fit and function of the factory part on specified years, makes and models.
Ideal solution – this nut 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

$29.99

Product Features:

Friction plate
Fits Ford 8″ and 9″ Trac Loc

from

$883.99

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 one ton applications including 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

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$37.99

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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$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

$6.99

This spindle nut retainer 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 spindle nut retainer matches the fit and function of the factory part on specified years, makes and models.
Ideal solution – this retainer 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

$19.99

Standard Open side gear thrust washer for 7.5″ Ford.

Product Features:

Side gear thrust washer
Fits Ford 7.5″

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$11.29

CUP

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$16.49

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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

$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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$789.99

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:

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

from

$444.99

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!

from

$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

from

$2.89

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.

Upgrade your 1981 Mercury Zephyr with Top-Quality Drivetrains

When it comes to maintaining or upgrading your 1981 Mercury Zephyr, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Mercury or enhancing its overall performance, Drivetrains are key to keeping your Zephyr functioning at its best. At Advance Auto Parts, we offer a wide selection of 130 Drivetrains for the 1981 Mercury Zephyr, designed to meet your needs without breaking the bank. From Spindle replacements to Universal Joints upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Drivetrains for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Drivetrains for your 1981 Mercury Zephyr at great prices. Our Drivetrains inventory for this model ranges from just $0.99 to $1,566.99, with an average price of $118.68. Our 130 Drivetrains in stock come from 17 trusted brands, so you’re sure to find the right part for your 1981 Mercury Zephyr without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1981 Mercury Zephyr, we stock popular OEM and aftermarket Drivetrains from top names like Moog, Driveworks, National, and more. Moog Drivetrains start at just $19.99 and boast an impressive 4 stars average rating from customers. Driveworks and National also bring quality to the table, with Drivetrains available starting at $4.79, and at an average 4 stars rating. With 1,862 customer reviews and counting, our 1981 Mercury Zephyr Drivetrains have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Drivetrain upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1981 Mercury Zephyr is always ready to roll. We’re committed to providing you with everything you need to keep your Zephyr in top shape, all in one place. Start shopping confidently below for your 1981 Mercury Zephyr!

Best-Selling Spindles for 1981 Mercury Zephyrs

Enhance the driving experience in your Mercury with 5 quality Spindle components, starting at $1.99.

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from

$3.29

Direct replacement – this spindle nut retainer matches the fit and function of the factory part on specified years, makes and models.
Ideal solution – this retainer 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

$4.49

This spindle nut 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 spindle nut matches the fit and function of the factory part on specified years, makes and models.
Ideal solution – this nut 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

$6.99

Direct replacement – this spindle nut retainer matches the fit and function of the factory part on specified years, makes and models.
Ideal solution – this retainer 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

$4.29

This spindle nut washer 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 spindle nut washer matches the fit and function of the factory part on specified years, makes and models.
Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
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

$1.99

Direct replacement – this spindle nut washer matches the fit and function of the factory part on specified years, makes and models.
Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
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

Most Popular 1981 Mercury Zephyr Universal Joints

Customize your Mercury with 6 Universal Joints products like U-Joints, all priced under $32.99.

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from

$28.99

When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles.

from

$19.99

Backed by superior materials and rigorous testing, MOOG Heavy Duty universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:

BUILT TO LAST — Rugged design specifically engineered for fleets, off-highway and commercial vehicles
STRONG AND DURABLE — Bearing cups are cold-formed, case-hardened and precision ground for strength and durability
KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
GREASEABLE DESIGN — Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution
INHIBITS PREMATURE WEAR — Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear
RELIABLE PERFORMANCE — Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup
RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on

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$32.99

Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:

BUILT TO LAST — Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
CORROSION PROTECTION — Exclusive MICRO SHIELDΓ┐ó coating protects against rust and corrosion
KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE — Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$32.99

BUILT TO LAST — Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
CORROSION PROTECTION — Exclusive MICRO SHIELDΓ┐ó coating protects against rust and corrosion
GREASABLE DESIGN — Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE — Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

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$15.99

DRIVEWORKS Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. DRIVEWORKS Universal Joints are constructed from quality materials for extended durability. DRIVEWORKS Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

Product Features:

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearig cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$5.29

Universal Joint

Top Picks for 1981 Mercury Zephyr Differentials

Upgrade Mercury Zephyrs with top-quality Differentials parts, including 93 OEM and aftermarket selections for your 1981 model.

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from

$7.49

High-quality Differential Component Shim

Product Features:

SHIM KIT FITS-8.25-F7.5-AMC20-GM0

from

$112.99

Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:

FORD 7.5″ MASTER BEARING KIT

from

$444.99

from

$23.99

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

from

$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

$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

from

$6.49

from

$4.79

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

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

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$6.99

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

$5.99

This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles.
Required replacement – when servicing the differential
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

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$9.49

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

from

$15.49

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

from

$16.99

Product Features:

Brand may vary by location

from

$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

from

$7.29

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$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

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

$5.99

Ford 7.5″ & 8.8″ ring gear bolt, standard Open & TracLoc. 7/16″ x 20.

Product Features:

Ring gear bolt for Ford 7.5″ and 8.8″
7/16″ x 20

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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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$1.99

Product Features:

Ford 7.5″, 8.8″ Ring Gear Bolt

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

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$156.99

Spindle nut washer for Dana 28, ’92 & down. This replaces Spicer part number 40075.

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.

from

$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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$99.99

DiffrlCover

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$3.29

from

$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

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$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

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$96.99

2 piece solid spacer for Ford 8.8 and 7.5.

Product Features:

Crush sleeve eliminator kit for Ford 7.5″ and 8.8″

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$159.99

Product Features:

INTERNALS FORD 7.5

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$42.99

Chrome cover for 7.5″ Ford.

Product Features:

Fits Ford 7.5″
Chrome

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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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$109.99

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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$52.99

Spectre’s Differential Covers are made to OEM specifications and are triple chrome plated for a lasting shine. Designed to protect the intricate moving parts of the differential, Spectre’s covers add an extra layer of protection to the vehicle’s underside. Featuring a 10-bolt design and fits the following vehicles with 7.5 inch ring gears: 1979-2003 Ford Mustang/Capri V8, 1982-2003 Ford Ranger, 1984-1997 Ford Aerostar, 1982-1992 Ford Bronco II, and 1994-2003 Mazda 2300/3000 differentials. Includes 10 SAE standard chrome bolts for installation. You’ll need to supply your own bolts if your application requires metric bolts.

Product Features:

10 chrome 5/16 inch -18 x 3/4 inch differential cover bolts
10-bolt design
Triple chrome plated for a lasting shine
Precision engineered for a perfect fit

from

$67.99

Trac Loc spring
Fits Ford 7.5″

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$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

$10.49

Product Features:

SOLID SPACER FORD 8.8″ & 9″

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

$238.99

Product Features:

FRD 10BL 7.5 R/P 3.08 MG

from

$237.99

Product Features:

FRD 10BL 7.5 R/P 3.73 MG

from

$233.99

Product Features:

FRD 10BL 7.5 R/P 4.10 MG

from

$184.99

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 7.5″
Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, complete pinion shim kit, and marking compound with brush.

from

$199.99

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 7.5″
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

$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

$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

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

from

$264.99

TracLoc clutch set (two sides) for 7.5″ Ford.

Product Features:

Clutch kit
Fit Ford 7.5″ Trac Loc positraction

from

$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.

In-Demand Transfer Cases for 1981 Mercury Zephyrs

Select from 8 premium Transfer Cases parts for your 1981 Mercury Zephyr, with prices ranging from $6.49 to $37.99.

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from

$15.99

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

from

$10.49

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

from

$37.99

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

from

$6.49

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$18.99

CONE

from

$13.29

BEARING CONE

from

$11.29

CUP

from

$10.99

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

Most Sold 1981 Mercury Zephyr Drive Shafts and Axles

Explore our best-selling Mercury parts for the 1981 Zephyr among 18 OEM and aftermarket options starting from $1.99.

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from

$5.49

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$20.29

This drive shaft 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 engine mount bolt matches the fit and function of the factory part on specified years, makes and models.
Ideal solution – this drive shaft 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

$35.99

from

$45.49

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

from

$15.99

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

from

$16.49

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$42.99

Includes axle bearing and seal
Services one side
Torrington Brand
2.250″ O.D.
1.400″ I.D.

from

$34.99

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

from

$8.99

Ford 7.5″ C/clip, TracLoc & standard Open.

Product Features:

c-clip for Ford 7.5″
Fits standard open and Trac Loc applications
Not compatible with Auburn Gear positraction

from

$883.99

Carrier bearing puller
Works with an impact gun to safely and easliy remove carrrier bearings

from

$64.99

AXLE SHAFT REPAIR BE

from

$47.99

7.5″ C/clip, AG positraction

Product Features:

C-clip
Fits Ford 7.5″ with Auburn Gear positraction

from

$44.99

SPICER U-JOINT

from

$36.49

AXLE BEARING

from

$13.99

CONE

from

$6.99

Axle seal for 5707 OR 1563 bearing.Yukon Mighty seal.

Product Features:

Rear axle seal
2.250″ O.D.

from

$5.19

SHAFT SEAL

from

$1.99

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.

Top-Rated Drivetrains Brands For Your 1981 Mercury Zephyr

Shop for the best-rated brands offering Drivetrains and other products for your 1981 Mercury Zephyrs. Below you’ll find some of our best rated Drivetrains from Moog, Driveworks, and National, and more. Drivetrains from these brands that fit a 1981 Zephyr start at just $4.79 and are rated as high as 4 stars. OEM and aftermarket Drivetrains don’t get more top quality, durable, and affordable than from the brands below.

Popular Moog 1981 Mercury Zephyr Drivetrains

When it comes to maintaining or upgrading your 1981 Mercury Zephyr, using quality Drivetrains is essential to ensure durability and a perfect fit. Moog ticks all of those boxes. We offer a wide selection of Moog Drivetrains, specifically designed for the 1981 Mercury Zephyr. With over 3 Moog brand Drivetrains in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $19.99, with an average price of just $28.66. Plus, with over 147 customer reviews and an average rating of 4 stars, you can trust that our Moog Drivetrains will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from
$32.99

(28)

Non-Greaseable Super Strength Universal Joint

“installed as needed”

from
$32.99

(37)

Greaseable Super Strength Universal Joint

“grease fitting I like location dont like needle design to grease should be regular design fitting”

from
$19.99

(82)

Greaseable Premium Universal Joint

“Great product”

Popular Driveworks 1981 Mercury Zephyr Drivetrains

Driveworks auto parts is one of the highest quality Drivetrain brands in the market. Any 1981 Mercury Zephyr owner should feel confident when installing genuine Driveworks parts in their vehicle. To ensure the best fit and performance for your 1981 Zephyr, Advance Auto Parts carries a full inventory of 7 Driveworks Drivetrains. Plus you will be keeping your Mercury in peak condition while saving money because prices on these Driveworks Drivetrains range from $4.79 to $16.99, plus, with more than 91 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Drivetrains below will deliver on both quality and value.

from
$6.49

This product is not rated

Taper Bearing Cup

“”

from
$7.29

This product is not rated

Taper Bearing Cup

“”

from
$16.99

This product is not rated

Tapered Roller Bearing

“”

FAQs for 1981 Mercury Zephyr Drivetrains

Which Drivetrains are best-sellers for 1981 Mercury Zephyrs?

Out of 130 Drivetrains that fit 1981 Mercury Zephyrs, the following parts are the top sellers:

Universal Joint (10265714) – $15.99
Oil Seal (5441617) – $5.49
Universal Joint (10855076) – $28.99

What’s the price range for 1981 Mercury Zephyr Drivetrains?

Drivetrain prices for the 1981 Mercury Zephyr start at $0.99 and go up to $1,566.99 for the most premium parts.

What’s the average price of a Drivetrain for a 1981 Mercury Zephyr?

The average price for Drivetrains for the 1981 Mercury Zephyr is $118.68. Keep in mind the variety of part types within our Drivetrain category so you are likely to find a wide range of prices across a variety of parts and components.

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

Yes, we currently carry Drivetrains for 5 model years of Mercury Zephyrs between 1978 and 1983. Drivetrains are bought most frequently for the following model years: 1983, 1982, 1980, 1979, and 1978.

What are the cheapest Drivetrains for my 1981 Mercury Zephyr?

The cheapest 1981 Mercury Zephyr Drivetrains we carry in stock are:

Differential Ring Gear Bolt (10282257) – $0.99
Ring Gear Bolt (20520509) – $1.99
Spindle Washer – I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (sold by each) (22148784) – $1.99
Axle Seal (10593098) – $1.99
Differential Cross Shaft (10282201) – $2.79

What are the top-rated Drivetrains that fit the 1981 Mercury Zephyr?

Out of 1,862 reviews by customers, our 1981 Mercury Zephyr Drivetrains have an average customer rating of . These are some of the highest-rated Drivetrain types for the 1981 Mercury Zephyr and their top-rated products:

Universal Joints
- Universal Joint (10855076) – $28.99
- Greaseable Super Strength Universal Joint (10086944) – $32.99
- Non-Greaseable Super Strength Universal Joint (10087061) – $32.99
Differentials
- Universal Joint (10855076) – $28.99
- Greaseable Super Strength Universal Joint (10086944) – $32.99
- Non-Greaseable Super Strength Universal Joint (10087061) – $32.99

What types of Drivetrains do you sell for my 1981 Mercury Zephyr?

As of 2/5/25, these are some of the most in-demand types of Drivetrains for a 1981 Mercury Zephyr:

Can I get help with 1981 Mercury Zephyr Drivetrain orders?

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

What is your return policy for Mercury Zephyr Drivetrains?

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

1981 Mercury Zephyr Drivetrains

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

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

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

Yukon Gear – R1563Tav Rear Axle Bearing And Seal Kit (Part No.10004)

National – Bearings (Part No.HM88610)

Yukon Gear – Flange Yoke For Ford 7.5" Passenger And Truck (4.3" Od) (Part No.41045)

Motive Gear – Pinion Seal (Part No.3604)

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

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

Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4104)

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

Spicer – Universal Joint (Part No.5-1310X)

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

Dorman – Standard Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (Sold by each) (Part No.615-074)

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

Yukon Gear – The Carrier Bearing Puller (Part No.56072)

National – Shaft Repair Sleeve (Part No.99199)

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

Dorman – Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (sold by each) (Part No.615-075)

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

FAG US – CUP (Part No.M88010)

Driveworks – Axle Repair Bearing (Part No.S-RP-5707)

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

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

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

Powertrax – Lock Right Locker (Part No.1830-LR)

Yukon Gear – Crush Sleeve (Part No.33085)

Pro-King – Crush Sleeve (Part No.721A034)

Dorman – Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (Part No.615-075.1)

Dorman – Standard Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (Sold by each) (Part No.615-074)

Dorman – Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (sold by each) (Part No.615-075)

Dorman – Spindle Washer – I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (Part No.618-013.1)

Dorman – Spindle Washer – I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (sold by each) (Part No.618-013)

Spicer – Universal Joint (Part No.5-153X)

MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.369)

MOOG Driveline Products – Non-Greaseable Super Strength Universal Joint (Part No.269)

MOOG Driveline Products – Greaseable Super Strength Universal Joint (Part No.280)

Driveworks – Universal Joint (Part No.DW-369)

Neapco – Universal Joint (Part No.1-5900)

Motive Gear – Differential Pinion Shim Kit (Part No.1100)

Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R7.5FRMK)

Powertrax – Lock Right Locker (Part No.1830-LR)

National – Bearings (Part No.M802048)

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

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

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

Driveworks – Oil Seal (Part No.S-3604)

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

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

Dorman – Help – Pinion Crush Sleeves (Part No.81056)

National – Bearings (Part No.M86610)

National – Bearings (Part No.HM88610)

Driveworks – Tapered Roller Bearing (Part No.S-M-802048)

National – Bearings (Part No.HM88648)

Driveworks – Taper Bearing Cup (Part No.S-LM-501314)

Yukon Gear – Crush Sleeve (Part No.33085)

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

Yukon Gear – Ford 7.5" & 8.8" Ring Gear Bolt, Standard Open & Tracloc (Part No.33053)

Yukon Gear – Pinion Nut (Part No.33154)

Motive Gear – Ring Gear Bolt (Part No.D5AZ4216A)

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

USA Standard Gear – Standard Spider Gear Set For Ford 7.5" (Part No.39014)

Yukon Gear – Pinion Depth Shims For GM 8.25" IFS, 8.5", 12 Bolt Car, Ford 8.8" & Chrysler 8.25" (Part No.55009)

Yukon Gear – DiffrlCover (Part No.32364)

Motive Gear – Differential Crush Sleeve (Part No.B7A4662A)

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 – Crush Sleeve Eliminator Kit For Ford 8.8" & 7.5" (Part No.55040)

Motive Gear – Differential Carrier Gear Kit (Part No.F7.5BI)

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

Motive Gear – Axle Shaft (Part No.MG1231)

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

Spectre – Differential Cover (Part No.6073)

Yukon Gear – Trac Loc Spring For Ford 7.5" (Part No.33514)

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

Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4104)

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

Motive Gear – Differential Ring and Pinion (Part No.F7.5-308)

Motive Gear – Differential Ring and Pinion (Part No.F7.5-373)