1971 Mercury Cougar Differentials

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Keep Your 1971 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 1971 Mercury Cougar looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Differential Bearings, and Rear Differential Cover Gaskets. 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 Felpro and Motive Gear. For example, Felpro Differentials start at just $9.99 with an average 4.6 star rating. Motive Gear offer similar pricing and quality, backed by strong customer feedback. With over 204 reviews and a solid 4.0 star average, you can shop with confidence knowing other Mercury Cougar owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1971 Mercury Cougar Differential at Advance Auto Parts is around $254.82, with a range that starts at $2.99 and goes up to $1,211.99. With 297 options in stock from 14 trusted brands, finding the right fit is easy. Popular picks like Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002, Dorman – Help Pinion Crush Sleeves, 81056, and Motive Gear Differential Pinion Nut, 379570S start at just $6.99 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 1971 Mercury Cougar in peak condition, inside and out.

Essential 1971 Mercury Cougar Differentials

USA Standard Gear – USA Standard Gear Differential Spider Gear Kits, 39032 (Part No.39032)

USA Standard Gear Differential Spider Gear Kits, 39032

from

$299.99
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.
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Yukon Gear – "Yukon Gear Steel Spool for Ford 9"" with 35 Spline Axles, 32047" (Part No.32047)

"Yukon Gear Steel Spool for Ford 9"" with 35 Spline Axles, 32047"

from

$379.99
Yukon Full Spools are a cost-effective way to convert a diff to 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each Yukon spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outstanding choice for dedicated off-road and drag racing vehicles only.
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Motive Gear – Motive Gear Differential Crush Sleeve, 3507575 (Part No.3507575)

Motive Gear Differential Crush Sleeve, 3507575

from

$2.99
Motive Gear Differential Crush Sleeve, 3507575.
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Motive Gear – Motive Gear Differential Internal Carrier Gear Kit, F9-IO (Part No.F9-IO)

Motive Gear Differential Internal Carrier Gear Kit, F9-IO

from

$108.99
Motive Gear Differential Internal Carrier Gear Kit, F9-IO.
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Yukon Gear – "Yukon Gear Master Overhaul Kit For Ford 9"" LM104911 Differential, 35 Spline Pinion, 14063" (Part No.14063)

"Yukon Gear Master Overhaul Kit For Ford 9"" LM104911 Differential, 35 Spline Pinion, 14063"

from

$544.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit 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), Thread locking compound, marking compound with brush, and gasket. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application.
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Driveworks – Driveworks Tapered Roller Bearing, S-M-802048 (Part No.S-M-802048)

Driveworks Tapered Roller Bearing, S-M-802048

from

$17.99
Driveworks Tapered Roller Bearing, S-M-802048.
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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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USA Standard Gear – "USA Standard Gear Ring & Pinion Gear Set For Ford 8"" In A 3.25 Ratio, 36116" (Part No.36116)

"USA Standard Gear Ring & Pinion Gear Set For Ford 8"" In A 3.25 Ratio, 36116"

from

$429.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.
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Motive Gear – Motive Gear Differential Pinion Bearing Spacer, SS9 (Part No.SS9)

Motive Gear Differential Pinion Bearing Spacer, SS9

from

$45.99
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.
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Yukon Gear – "Yukon Gear Fine Thread Pinion Support Bolt (Aftermarket Aluminum Only) for 9"" Ford, 33243" (Part No.33243)

"Yukon Gear Fine Thread Pinion Support Bolt (Aftermarket Aluminum Only) for 9"" Ford, 33243"

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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Powertrax – Powertrax Differential Lock Assembly, 1810-LR (Part No.1810-LR)

Powertrax Differential Lock Assembly, 1810-LR

from

$339.99
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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Felpro – Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 13270 (Part No.RDS 13270)

Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 13270

from

$5.49
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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Yukon Gear – "Yukon Gear Yoke (Short, for Daytona Support), Ford 9"", 28 Spline, 1310 U-Joint, 41056" (Part No.41056)

"Yukon Gear Yoke (Short, for Daytona Support), Ford 9"", 28 Spline, 1310 U-Joint, 41056"

from

$319.99
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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Yukon Gear – "Yukon Gear O-ring for 9"" Ford, 30028" (Part No.30028)

"Yukon Gear O-ring for 9"" Ford, 30028"

from

$14.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Yukon Gear – "Yukon Gear 14 Plate Carbon Clutches, GM 8.2""/GM 8.5""/12T/12P/Ford 8.8""/Cast Iron Vette, 16041" (Part No.16041)

"Yukon Gear 14 Plate Carbon Clutches, GM 8.2""/GM 8.5""/12T/12P/Ford 8.8""/Cast Iron Vette, 16041"

from

$404.99
Yukon Gear & Axle clutch kits fit popular GM diffs outfitted with a Yukon Dura Grip positraction unit feature 14 advanced carbon clutch plates, ensuring total traction and long-lasting performance.
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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 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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Motive Gear – Motive Gear Ring And Pinion Installation Kit, F9IKN (Part No.F9IKN)

Motive Gear Ring And Pinion Installation Kit, F9IKN

from

$46.49
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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Yukon Gear – "Yukon Gear 9"" Ford Gasket, 23012" (Part No.23012)

"Yukon Gear 9"" Ford Gasket, 23012"

from

$11.99
“9”” Ford gasket. EXTERNAL SUPPLY>FDO>BACK ROOM-FDO>APPLICATION SPECIFIC from Yukon Gear”
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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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Powertrax – Powertrax Grip LOK Traction System, LK109028 (Part No.LK109028)

Powertrax Grip LOK Traction System, LK109028

from

$668.99
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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Yukon Gear – "Yukon Gear Ford 7.5"" & 8.8"" Ring Gear Bolt, Standard Open & Tracloc, 33053" (Part No.33053)

"Yukon Gear Ford 7.5"" & 8.8"" Ring Gear Bolt, Standard Open & Tracloc, 33053"

from

$5.99
“Ford 7.5″” & 8.8″” ring gear bolt, standard Open & TracLoc. 7/16″” x 20.”
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Schaeffler – Schaeffler Shaft Seal, SS2934 (Part No.SS2934)

Schaeffler Shaft Seal, SS2934

from

$13.99
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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Yukon Gear – "Yukon Gear Star Washers, 3.250"" Ford 9"" Drop Out New Design Only, 32144" (Part No.32144)

"Yukon Gear Star Washers, 3.250"" Ford 9"" Drop Out New Design Only, 32144"

from

$4.99
Yukon Gear & Axle dropouts are heavy duty. They feature upgraded nodular iron construction and a larger-than-OEM design to provide unrivaled strength and reliability in racing and off-road applications.
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Yukon Gear – "Yukon Gear Side Gear and Thrust Washer (0.875"" Shaft) for 8.8"" Ford, 33300" (Part No.33300)

"Yukon Gear Side Gear and Thrust Washer (0.875"" Shaft) for 8.8"" Ford, 33300"

from

$11.99
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 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 Fill Plug For Ford 9"", 1/2"" Thread, 33539" (Part No.33539)

"Yukon Gear Fill Plug For Ford 9"", 1/2"" Thread, 33539"

from

$10.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.
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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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Most Popular Differential Oil for 1971 Mercury Cougars

Enhance your 1971 Mercury Cougar with one of the 2 Differential Oil we have in stock, starting at just $44.99.

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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Best-Selling 1971 Mercury Cougar Differential Bearings

Upgrade your Cougar with one of our 2 best-selling Differential Bearings.

Yukon Gear – "Yukon Gear One (1) Specialty Bearing Race To Adapt Small Bearing Journal Into 3.25"" Dropout, 32157" (Part No.32157)

"Yukon Gear One (1) Specialty Bearing Race To Adapt Small Bearing Journal Into 3.25"" Dropout, 32157"

from

$51.99
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. For all your differential small parts needs, look no further than Yukon.
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Schaeffler – Schaeffler Bearing – TRB (Tapered Roller Bearing), KT45 (Part No.KT45)

Schaeffler Bearing - TRB (Tapered Roller Bearing), KT45

from

$21.99
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
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Top-Quality Rear Differential Cover Gaskets for 1971 Mercury Cougars

Choose a high-quality OEM or aftermarket Rear Differential Cover Gasket for Mercury Cougars and enjoy top-notch performance from $6.49.

Felpro – Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55074 (Part No.RDS 55074)

Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55074

from

$9.99
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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Yukon Gear – "Yukon Gear 9"" Ford Gasket, 23012" (Part No.23012)

"Yukon Gear 9"" Ford Gasket, 23012"

from

$11.99
“9”” Ford gasket. EXTERNAL SUPPLY>FDO>BACK ROOM-FDO>APPLICATION SPECIFIC from Yukon Gear”
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Mr. Gasket – "Mr. Gasket Rear End Gasket – Ford 9"" – Blend Of Nitrile Rubber And Fiber For Excellent Sealing And Durability, 82" (Part No.82)

"Mr. Gasket Rear End Gasket - Ford 9"" - Blend Of Nitrile Rubber And Fiber For Excellent Sealing And Durability, 82"

from

$26.69
Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Fits 1957-1981 Ford 10 bolt 9 inch ring gear.
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Victor Reinz – Victor Reinz Differential Cover Gasket, 71-14829-00 (Part No.71-14829-00)

Victor Reinz Differential Cover Gasket, 71-14829-00

from

$8.99
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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Victor Reinz – Victor Reinz Differential Cover Gasket, 71-14821-00 (Part No.71-14821-00)

Victor Reinz Differential Cover Gasket, 71-14821-00

from

$6.49
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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Our Top Pick for a 1971 Mercury Cougar Differential Cover

Invest in a durable Differential Cover for your 1971 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

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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Differential Pinion Seals for 1971 Mercury Cougars

Make a smart move for your 1971 Mercury Cougar with products all priced from $12.99 to $17.99.

Yukon Gear – "Yukon Gear Pinion Seal for ’61-’85 9"" Ford, 30137" (Part No.30137)

"Yukon Gear Pinion Seal for '61-'85 9"" Ford, 30137"

from

$17.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Motive Gear – Motive Gear Differential Pinion Seal, 7044NA (Part No.7044NA)

Motive Gear Differential Pinion Seal, 7044NA

from

$12.99
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.
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Top-Rated Differential Brands For Your 1971 Mercury Cougar

When it comes to finding the perfect Differential for your 1971 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 Felpro and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.6 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 1971 Mercury Cougar, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1971 Mercury Cougar Differentials

If you’re looking for a top-quality Differential for your 1971 Mercury Cougar, Advance Auto Parts has exactly what you need with our selection of Felpro Differentials. We have 1 Felpro Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $9.99, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1971 Mercury Cougar come highly rated, with over 9 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

Top-Quality Motive Gear 1971 Mercury Cougar Differentials

For those in search of a high-quality Differential for their 1971 Mercury Cougar, Advance Auto Parts offers a great selection of Motive Gear Differentials. With 1 Motive Gear 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 $6.99, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.1 stars, Motive Gear Differentials provide both reliability and excellent performance. Choosing a Motive Gear Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Motive Gear Differential Pinion Nut, 379570S
from $6.99
(1)
Motive Gear Differential Pinion Nut, 379570S
“If a pinion nut is ever removed from the pinion shaft, it is recommended NOT to reuse it. Replace it with a BRAND NEW nut, even if the old nut is rel”

FAQs for 1971 Mercury Cougar Differentials

What are the best-selling Differentials for 1971 Mercury Cougars?

Out of 297 Differentials that fit 1971 Mercury Cougars, the following parts are the top sellers:

What’s the price range for 1971 Mercury Cougar Differentials?

The prices of Differentials for the 1971 Mercury Cougar range from $2.99 up to $1,211.99 for the most premium parts.

What is the average price of a Differential for a 1971 Mercury Cougar?

The average price for Differentials for the 1971 Mercury Cougar is $254.82. 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 1971 Mercury Cougar?

Does Advance Auto Parts sell Differentials for any other 1971 Mercury models?

Yes. We stock Differentials for 6 other popular 1971 Mercury models. Some of the most popular are 1971 Monterey Differentials, 1971 Colony Park Differentials, 1971 Montego Differentials, 1971 Capri Differentials, and 1971 Marquis Differentials.

What types of Differentials do you sell for my 1971 Mercury Cougar?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1971 Mercury Cougar:

Can I get help with 1971 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.