1986 Mercury Cougar Differentials

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Keep Your 1986 Mercury Cougar in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1986 Mercury Cougar looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Bearing Kits, Differential Covers, and Differential Oil. 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 Driveworks, Motive Gear, and National. For example, Driveworks Differentials start at just $11.99 with an average 4.2 star rating. Motive Gear and National offer similar pricing and quality, backed by strong customer feedback. With over 158 reviews and a solid 4.6 star average, you can shop with confidence knowing other Mercury Cougar owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1986 Mercury Cougar Differential at Advance Auto Parts is around $220.31, with a range that starts at $1.29 and goes up to $1,115.99. With 148 options in stock from 14 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 1986 Mercury Cougar in peak condition, inside and out.

Essential 1986 Mercury Cougar Differentials

Yukon Gear – "Yukon Gear Super Carrier Shim Kit for Ford 8.8"", GM 12 bolt car & truck, 8.6 & Vette, 55002" (Part No.55002)

"Yukon Gear Super Carrier Shim Kit for Ford 8.8"", GM 12 bolt car & truck, 8.6 & Vette, 55002"

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 Dura Grip Case For Ford 8.8"", 31 Spline, 20073" (Part No.20073)

"Yukon Gear Dura Grip Case For Ford 8.8"", 31 Spline, 20073"

from

$386.99
“Yukon Gear Dura Grip Case For Ford 8.8″”, 31 Spline, 20073. ”
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Yukon Gear – "Yukon Gear 9"" Ford Pinion Nut, 35 Spline Large Pinion Oversize, 33161" (Part No.33161)

"Yukon Gear 9"" Ford Pinion Nut, 35 Spline Large Pinion Oversize, 33161"

from

$26.99
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 Pilot Bearing for Ford 9"", 18042" (Part No.18042)

"Yukon Gear Pilot Bearing for Ford 9"", 18042"

from

$38.99
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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Richmond Gear – Richmond Gear Differential Spool, 81-0928-1 (Part No.81-0928-1)

Richmond Gear Differential Spool, 81-0928-1

from

$259.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!
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Yukon Gear – Yukon Gear Bearing Race Driver for Popular Ford, Gm, Amc, Chrysler, and Dana Diffs, 56022 (Part No.56022)

Yukon Gear Bearing Race Driver for Popular Ford, Gm, Amc, Chrysler, and Dana Diffs, 56022

from

$188.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.
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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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Yukon Gear – "Yukon Gear Chrome Moly Cross Pin Shaft for Mini-Spool for 9"" Ford, 32235" (Part No.32235)

"Yukon Gear Chrome Moly Cross Pin Shaft for Mini-Spool for 9"" Ford, 32235"

from

$61.99
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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Dorman – Dorman Differential Pinion Yoke Assembly, 697-527 (Part No.697-527)

Dorman Differential Pinion Yoke Assembly, 697-527

from

$177.99
Worn or damaged differential end yoke causing driveline Vibrations- This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.
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Yukon Gear – "Yukon Gear Trac Loc Internals for 8"" & 9"" Ford, 31 Spline, Includes Hub & Clutches, 16027" (Part No.16027)

"Yukon Gear Trac Loc Internals for 8"" & 9"" Ford, 31 Spline, Includes Hub & Clutches, 16027"

from

$487.99
Yukon Gear & Axle clutch kits fit popular Ford diffs outfitted with a Trac Loc style positraction unit feature stout clutch plates, ensuring total traction and long-lasting performance.
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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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Dorman – Dorman Differential Clutch Kit, 697-780 (Part No.697-780)

Dorman Differential Clutch Kit, 697-780

from

$262.99
This differential disc kit is a low-cost, time-saving repair solution for the posi-traction function. They are designed to match the fit and performance of the original disc on specific vehicle years, makes and models.
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Yukon Gear – "Yukon Gear Crush Sleeve Eliminator Kit for Ford 9"", 55041" (Part No.55041)

"Yukon Gear Crush Sleeve Eliminator Kit for Ford 9"", 55041"

from

$68.99
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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Powertrax – Powertrax Differential Lock Assembly, 9206883108 (Part No.9206883108)

Powertrax Differential Lock Assembly, 9206883108

from

$544.99
For vehicles that are driven daily, the Power Trax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.
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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 Trac Loc For Ford 9"" Wtih 31 Spline Axles – Street Design, 26010" (Part No.26010)

"Yukon Gear Trac Loc For Ford 9"" Wtih 31 Spline Axles - Street Design, 26010"

from

$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 Trac Loc uses a nodular case, billet side hat, and forged internals for higher strength than stock Trac-Locs. The units use composite clutches for high performance and long life. All units are Rebuildable. Yukon offers a one year warranty against manufacturing defects.
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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 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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Yukon Gear – "Yukon Gear Pinion Gear and Thrust Washer (0.750"" Shaft) for 8.8"" Ford, 33297" (Part No.33297)

"Yukon Gear Pinion Gear and Thrust Washer (0.750"" Shaft) for 8.8"" Ford, 33297"

from

$8.99
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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Driveworks – Driveworks Taper Bearing Set, S-A-5 (Part No.S-A-5)

Driveworks Taper Bearing Set, S-A-5

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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Yukon Gear – "Yukon Gear Pinion Install Kit for Ford 8.8"" Differential, 13041" (Part No.13041)

"Yukon Gear Pinion Install Kit for Ford 8.8"" Differential, 13041"

from

$167.99
Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.
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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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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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Yukon Gear – "Yukon Gear Pinion Depth Shims for GM 8.25""IFS, 8.5"", 12 Bolt Car, Ford 8.8"", Chrysler 8.25"", 55009" (Part No.55009)

"Yukon Gear Pinion Depth Shims for GM 8.25""IFS, 8.5"", 12 Bolt Car, Ford 8.8"", Chrysler 8.25"", 55009"

from

$27.99
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 Positraction Internals for Ford 8""/9"" with 28 Spline Axles, 4-Pinion Design, 16023" (Part No.16023)

"Yukon Gear Positraction Internals for Ford 8""/9"" with 28 Spline Axles, 4-Pinion Design, 16023"

from

$315.99
Yukon Gear & Axle spider gear kits feature higher quality materials and better manufacturing techniques than OEM to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.
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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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Powertrax – Powertrax Grip PRO Traction System, GT109028 (Part No.GT109028)

Powertrax Grip PRO Traction System, GT109028

from

$496.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. 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!
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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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Most Popular Differential Pinion Bearing Kits for 1986 Mercury Cougars

Enhance your 1986 Mercury Cougar with one of the 4 Differential Pinion Bearing Kits we have in stock, starting at just $11.99.

Driveworks – Driveworks Taper Bearing Set, S-A-6 (Part No.S-A-6)

Driveworks Taper Bearing Set, S-A-6

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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Yukon Gear – "Yukon Gear Pinion Install Kit for Ford 8.8"" Differential, 13041" (Part No.13041)

"Yukon Gear Pinion Install Kit for Ford 8.8"" Differential, 13041"

from

$167.99
Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.
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Yukon Gear – "Yukon Gear Pinion Install Kit for Ford 7.5"" Differential, 13039" (Part No.13039)

"Yukon Gear Pinion Install Kit for Ford 7.5"" Differential, 13039"

from

$184.99
Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.
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Yukon Gear – Yukon Gear Pinion Setup Bearing for Popular GM, Ford, Dana, & Chrysler Differentials, 56045 (Part No.56045)

Yukon Gear Pinion Setup Bearing for Popular GM, Ford, Dana, & Chrysler Differentials, 56045

from

$153.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.
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Best-Selling 1986 Mercury Cougar Differential Covers

Upgrade your Cougar with one of our 5 best-selling Differential Covers.

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 Steel Cover for Ford 8.8"", 32328" (Part No.32328)

"Yukon Gear Steel Cover for Ford 8.8"", 32328"

from

$99.99
These Yukon replacement diff covers are a direct bolt-on.
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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 8.8"" Ford, 32009" (Part No.32009)

"Yukon Gear Chrome Cover for 8.8"" Ford, 32009"

from

$74.99
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 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-Quality Differential Oil for 1986 Mercury Cougars

Choose a high-quality OEM or aftermarket Differential Oil for Mercury Cougars and enjoy top-notch performance from $35.99.

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 Pick for a 1986 Mercury Cougar Differential Pinion Seal

Invest in a durable Differential Pinion Seal for your 1986 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

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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Top-Rated Differential Carrier Bearing Set for 1986 Mercury Cougars

Make a smart move for your 1986 Mercury Cougar with products all priced from $11.99 to $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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Driveworks – Driveworks Taper Bearing Set, S-A-5 (Part No.S-A-5)

Driveworks Taper Bearing Set, S-A-5

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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Top-Rated Differential Brands For Your 1986 Mercury Cougar

When it comes to finding the perfect Differential for your 1986 Mercury Cougar, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 14 trusted brands. We carry the most popular Differential brands including National, Driveworks, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.3 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 1986 Mercury Cougar, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1986 Mercury Cougar Differentials

If you’re looking for a top-quality Differential for your 1986 Mercury Cougar, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 1 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $11.99, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1986 Mercury Cougar come highly rated, with over 2 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
National Bearing Race, LM501314
from $11.99
(2)
National Bearing Race, LM501314
“good quality & price”

Top-Quality Driveworks 1986 Mercury Cougar Differentials

For those in search of a high-quality Differential for their 1986 Mercury Cougar, Advance Auto Parts offers a great selection of Driveworks Differentials. With 3 Driveworks 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 $12.16, giving you a range of options to suit your budget. Backed by over 109 customer ratings and an average rating of 4.2 stars, Driveworks Differentials provide both reliability and excellent performance. Choosing a Driveworks Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Driveworks Taper Bearing Set, S-A-6
from $11.99
(38)
Driveworks Taper Bearing Set, S-A-6
“HELPFUL ASSOCIATE”
Driveworks Taper Bearing Set, S-A-5
from $11.99
(70)
Driveworks Taper Bearing Set, S-A-5
“Great”
Driveworks Taper Bearing Set, S-A-17
from $12.49
(1)
Driveworks Taper Bearing Set, S-A-17
“Looked felt fine quality”

FAQs for 1986 Mercury Cougar Differentials

What are the best-selling Differentials for 1986 Mercury Cougars?

Out of 148 Differentials that fit 1986 Mercury Cougars, the following parts are the top sellers:

What’s the price range for 1986 Mercury Cougar Differentials?

The prices of Differentials for the 1986 Mercury Cougar range from $1.29 up to $1,115.99 for the most premium parts.

What is the average price of a Differential for a 1986 Mercury Cougar?

The average price for Differentials for the 1986 Mercury Cougar is $220.31. 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 Cougar model years?

Yes, we carry Differentials for 33 model years of Mercury Cougars between 1967 and 2002. The following model years are the most popular for Differential purchases: 2002, 2001, 2000, 1999, 1997, 1996, 1995, 1994, and 1993.

What are the cheapest Differentials for my 1986 Mercury Cougar?

The cheapest 1986 Mercury Cougar Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1986 Mercury models?

Yes. We stock Differentials for 5 other popular 1986 Mercury models. Some of the most popular are 1986 Grand Marquis Differentials, 1986 Sable Differentials, 1986 Capri Differentials, 1986 Marquis Differentials, and 1986 Topaz Differentials.

What are the top-rated Differentials that fit the 1986 Mercury Cougar?

The one 1986 Mercury Cougar 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 1986 Mercury Cougar?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1986 Mercury Cougar:

Can I get help with 1986 Mercury Cougar 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 Cougar Differentials?

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