1975 Mercury Cougar Differentials

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Keep Your 1975 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 1975 Mercury Cougar looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Seals, Differential Oil, 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, National, and Motive Gear. For example, Felpro Differentials start at just $9.99 with an average 4.6 star rating. National and Motive Gear offer similar pricing and quality, backed by strong customer feedback. With over 144 reviews and a solid 4.1 star average, you can shop with confidence knowing other Mercury Cougar owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1975 Mercury Cougar Differential at Advance Auto Parts is around $252.30, with a range that starts at $2.99 and goes up to $1,211.99. With 292 options in stock from 15 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 National Multi-Purpose Seal, 51098 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 1975 Mercury Cougar in peak condition, inside and out.

Essential 1975 Mercury Cougar Differentials

Dorman – Dorman Rear Axle Shaft, Left Or Right, 630-228A (Part No.630-228A)

Dorman Rear Axle Shaft, Left Or Right, 630-228A

from

$117.99
This axle shaft is designed to match the performance of the original equipment shaft on specified vehicle makes, models and years. When a factory axle shaft fails or is damaged by rust or collision, this replacement is engineered to help restore and ensure the proper transfer of torque and rotational power from the differential or transmission to the wheel.
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National – National Multi-Purpose Bearing, A-18 (Part No.A-18)

National Multi-Purpose Bearing, A-18

from

$18.29
Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.
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Powertrax – Powertrax Differential Lock Assembly, 1830-LR (Part No.1830-LR)

Powertrax Differential Lock Assembly, 1830-LR

from

$444.99
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 Pinion Install Kit for Ford Daytona 9"" Differential, 13045" (Part No.13045)

"Yukon Gear Pinion Install Kit for Ford Daytona 9"" Differential, 13045"

from

$284.99
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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Driveworks – Driveworks Oil Seal, S-51098 (Part No.S-51098)

Driveworks Oil Seal, S-51098

from

$6.49
Value-priced seal meets all cataloged application requirements.
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National – National Multi-Purpose Bearing, R-1535-TAV (Part No.R-1535-TAV)

National Multi-Purpose Bearing, R-1535-TAV

from

$42.49
Manufactured with premium-grade steel, National cylindrical outer races are designed and engineered to meet OE specifications.
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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 Nut, 33154 (Part No.33154)

Yukon Gear Pinion Nut, 33154

from

$7.99
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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USA Standard Gear – USA Standard Gear Differential Rebuild Kit, 37027 (Part No.37027)

USA Standard Gear Differential Rebuild Kit, 37027

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.
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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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Pro-King – Pro-King Differential Pinion Shim Kit, 742G200A (Part No.742G200A)

Pro-King Differential Pinion Shim Kit, 742G200A

from

$18.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Motive Gear – Motive Gear Differential Gear Install Kit, F7.5IK (Part No.F7.5IK)

Motive Gear Differential Gear Install Kit, F7.5IK

from

$35.49
Motive Gear Differential Gear Install Kit, F7.5IK.
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Motive Gear – Motive Gear Master Bearing Kit, R9R28MK (Part No.R9R28MK)

Motive Gear Master Bearing Kit, R9R28MK

from

$113.99
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
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Dorman – Dorman Differential Pinion Yoke Assembly, 697-530 (Part No.697-530)

Dorman Differential Pinion Yoke Assembly, 697-530

from

$137.99
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 Mini Spool for Ford 9"" with 28 Spline Axles, 32056" (Part No.32056)

"Yukon Gear Mini Spool for Ford 9"" with 28 Spline Axles, 32056"

from

$59.99
Yukon Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Full spools are recommended for vehicles with large tires or high horsepower.
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Motive Gear – Motive Gear Differential Crush Sleeve, B7A4662A (Part No.B7A4662A)

Motive Gear Differential Crush Sleeve, B7A4662A

from

$3.99
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear.
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Driveworks – Driveworks Tapered Cone Wheel Bearing Assembly, S-L-68149 (Part No.S-L-68149)

Driveworks Tapered Cone Wheel Bearing Assembly, S-L-68149

from

$7.99
Value-priced bearing meets all cataloged application requirements.
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Yukon Gear – "Yukon Gear Purple Aluminum Pinion Support for 9"" Ford Daytona, 32036" (Part No.32036)

"Yukon Gear Purple Aluminum Pinion Support for 9"" Ford Daytona, 32036"

from

$264.99
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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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 Standard Open & Tracloc Pinion Gear and Thrust Washer for 7.5"" Ford, 33296" (Part No.33296)

"Yukon Gear Standard Open & Tracloc Pinion Gear and Thrust Washer for 7.5"" Ford, 33296"

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 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 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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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 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 8"" Ford O-Ring, 30027" (Part No.30027)

"Yukon Gear 8"" Ford O-Ring, 30027"

from

$9.99
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 1.250"" Pinion Adaptor Sleeve (Stock Pinion Into Large Support), 32239" (Part No.32239)

"Yukon Gear 1.250"" Pinion Adaptor Sleeve (Stock Pinion Into Large Support), 32239"

from

$74.99
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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Motive Gear – Motive Gear Differential Ring and Pinion, F9-325 (Part No.F9-325)

Motive Gear Differential Ring and Pinion, F9-325

from

$269.99
Motive Gear Differential Ring and Pinion, F9-325.
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Most Popular Differential Pinion Seals for 1975 Mercury Cougars

Enhance your 1975 Mercury Cougar with one of the 5 Differential Pinion Seals we have in stock, starting at just $6.49.

National – National Multi-Purpose Seal, 51098 (Part No.51098)

National Multi-Purpose Seal, 51098

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.
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Driveworks – Driveworks Oil Seal, S-51098 (Part No.S-51098)

Driveworks Oil Seal, S-51098

from

$6.49
Value-priced seal meets all cataloged application requirements.
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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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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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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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Best-Selling 1975 Mercury Cougar Differential Oil

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

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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Top-Quality Rear Differential Cover Gaskets for 1975 Mercury Cougars

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

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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Top Picks for 1975 Mercury Cougar Differential Bearings

Invest in one of our 4 durable Differential Bearings for your 1975 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

National – National Multi-Purpose Bearing, A-18 (Part No.A-18)

National Multi-Purpose Bearing, A-18

from

$18.29
Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.
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National – National Bearing, JL69349 (Part No.JL69349)

National Bearing, JL69349

from

$16.79
Manufactured with premium-grade steel, National® taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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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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Our Differential Covers for 1975 Mercury Cougars

Make a smart move for your 1975 Mercury Cougar with our Differential Cover for $8.99.

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

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

from

$8.99
“Replacement outer oil slinger for Ford 7.5″”, 8.8″”, 9″”, 10.25″”, Nissan Titan rear, Dana 44 Rubicon & 44 JK non-Rubicon.”
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Top-Rated Differential Brands For Your 1975 Mercury Cougar

When it comes to finding the perfect Differential for your 1975 Mercury Cougar, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 15 trusted brands. We carry the most popular Differential brands including Felpro, National, 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 1975 Mercury Cougar, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1975 Mercury Cougar Differentials

If you’re looking for a top-quality Differential for your 1975 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 1975 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 National 1975 Mercury Cougar Differentials

For those in search of a high-quality Differential for their 1975 Mercury Cougar, Advance Auto Parts offers a great selection of National Differentials. With 1 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $18.29, giving you a range of options to suit your budget. Backed by over 36 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
National Multi-Purpose Bearing, A-18
from $18.29
(36)
National Multi-Purpose Bearing, A-18
“High quality.”

FAQs for 1975 Mercury Cougar Differentials

What are the best-selling Differentials for 1975 Mercury Cougars?

Out of 292 Differentials that fit 1975 Mercury Cougars, the following parts are the top sellers:

What’s the price range for 1975 Mercury Cougar Differentials?

The prices of Differentials for the 1975 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 1975 Mercury Cougar?

The average price for Differentials for the 1975 Mercury Cougar is $252.30. 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 1975 Mercury Cougar?

Does Advance Auto Parts sell Differentials for any other 1975 Mercury models?

Yes. We stock Differentials for 6 other popular 1975 Mercury models. Some of the most popular are 1975 Grand Marquis Differentials, 1975 Montego Differentials, 1975 Capri Differentials, 1975 Marquis Differentials, and 1975 Comet Differentials.

What types of Differentials do you sell for my 1975 Mercury Cougar?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1975 Mercury Cougar:

Can I get help with 1975 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.