2001 Mercury Cougar Differentials
Keep Your 2001 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 2001 Mercury Cougar looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearing Kits, Differential Crush Sleeves, 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 Valvoline. For example, Valvoline Differentials start at just $13.99 with an average 4.8 star rating. With over 1,362 reviews and a solid 5 star average, you can shop with confidence knowing other Mercury Cougar owners approve.
Competitive Prices and Extensive Inventory
The average price for a 2001 Mercury Cougar Differential at Advance Auto Parts is around $40.47, with a range that starts at $1.29 and goes up to $242.99. With 12 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Differential Rebuild Kit, Transmax ATF/CVT Universal Transmission Fluid, Smooth Performance, 1 Gallon, and Camshaft Seal start at just $23.99 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 Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 2001 Mercury Cougar in peak condition, inside and out.
Find Your Specific 2001 Mercury Cougar Differentials
Looking for the perfect Differential for your 2001 Mercury Cougar? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Mercury Cougar. Whether you’re driving a 2001 model or another popular model year like
1992,
1993,
1994,
1995,
1996,
1997,
1999,
2000, and
2002, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.
Essential 2001 Mercury Cougar Differentials
Motive Gear – Differential Bearing Kit – Koyo (Part No.R9RS)
from
$105.99
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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Product Features:
- BEARING KIT FD 9″
Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R9R325SMK)
from
$134.99
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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- BEARING KIT FORD 9″ W/3.25 CARRIER & STD PINION SUPPORT MSTR KIT
Richmond Gear – RngPnnInstlKt (Part No.83-1043-1)
from
$182.99
RngPnnInstlKt
Yukon Gear – Crush Sleeve Eliminator Kit For Ford 9" (Part No.55041)
from
$68.99
9″ Ford 2 piece solid preload pinion spacer, Daytona or standard.
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Product Features:
- Crush sleeve eliminator kit for Ford 9″ with 28 spline pinion
Dorman – Help – Pinion Crush Sleeves (Part No.81056)
from
$6.49
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.
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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
Yukon Gear – Crush Sleeve (Part No.33085)
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.
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Product Features:
- Crush sleeve for AMC Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9″ and 9.75″
- 0.480″ tall
Motive Gear – Ring Gear Bolt (Part No.D5AZ4216A)
ARP Auto Racing – For Use With Ford 8.8 And 9" Using 3/4"Socket, 0.75"L Under Head, 7/16"-20 (Part No.250-3003)
from
$43.99
The tremendous shock loads generated at launch by most any drag racing vehicle equipped with today sticky tire compounds or the acceleration and deceleration of oval track cars put considerable strain on the ring gear. For this reason, the fastener experts at ARP have developed the Pro Series ring gear bolts. they are forged from premium grade 8740 chrome moly steel and are heat treated to a nominal rating of 200,000 PSI tensile strength. Specially hardened, precision ground washers are included where required. Available to fit most any ring gear setup ranging from popular 9 Inch Ford GM 10 and 12 bolt rear ends to the beefy strange differentials found in top fuel and funny car applications.
Product Features:
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Product Features:
- Forged From Premium Grade 8740 Chrome Moly Steel
- Heat Treated
- Nominally Rated At 200,000 Psi Tensile Strength
- Specially Hardened, Precision Ground Washers
- 0.75″ Underhead Length
- 200,000 PSI
- Sold As A Set
Yukon Gear – Ford 7.5" & 8.8" Ring Gear Bolt, Standard Open & Tracloc (Part No.33053)
from
$5.99
Ford 7.5″ & 8.8″ ring gear bolt, standard Open & TracLoc. 7/16″ x 20.
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Product Features:
- Ring gear bolt for Ford 7.5″ and 8.8″
- 7/16″ x 20
Pro-King – Differential Cross Shaft (Part No.742G930)
from
$2.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Product Features:
- Meets or exceeds OE specifications
Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)
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$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.
Product Features:
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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
Motive Gear – Differential Pinion Shim Kit (Part No.2102)
Pro-King – Differential Pinion Shim Kit (Part No.763A203)
from
$11.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Product Features:
- Meets or exceeds OE specifications
Pro-King – Differential Pinion Shim Kit (Part No.742G202)
from
$6.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Product Features:
- Meets or exceeds OE specifications
Felpro – Axle Housing Cover Gasket Rectangular Shaped, 10 Bolt Hole Gasket (Part No.RDS 55341)
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$15.99
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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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Validated for fit, form and function
- Unsurpassed quality you can trust
Yukon Gear – 9" Ford Gasket (Part No.23012)
Pro-King – Differential Cover Gasket (Part No.762B303)
from
$4.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Product Features:
- Meets or exceeds OE specifications
Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)
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$137.99
Redline Synthetic “Shock Proof” Oil. 4 Quarts.
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Product Features:
- Includes four quarts of Redline Shockproof oil
Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)
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$148.99
Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.
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Product Features:
- Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)
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$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.
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Product Features:
- Includes three quarts of Redline Shockproof oil
National – Multi-Purpose Bearing (Part No.R-1535-TAV)
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$41.99
Product Features:
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- PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
- STRONG AND DURABLE: Controlled heat treatment process for strength and durability
- OE-STYLE DESIGN: Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Yukon Gear – Pilot Bearing For Ford 9" (Part No.18042)
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$38.99
8.6″ GM 99-08 PINION Bearing & SEAL KIT .
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Product Features:
- Pilot bearing
- Fits Ford 9″
- 0.656″ thick
Yukon Gear – 7.5", 8", 8.8", 9", 10.25" Ford Redi Sleeve Yoke Saver (Part No.30226)
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$30.99
7.5″, 8″, 8.8″, 9″, 10.25″ Ford REDI sleeve yoke saver.Yukon Mighty seal.
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Product Features:
- Redi-Sleeve yoke saver
- Fits Ford 7.5″, 8.8″, 9″ and 10.25″
Driveworks – Camshaft Seal (Part No.S-99139)
Yukon Gear – Grizzly Locker For Ford 9" Differential With 35 Spline Axles, Racing Design, For Load Bolt D/O (Part No.28030)
from
$1211.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! This unit has been approved for competition in NASCAR National & Touring series. This is a race unit designed for extreme off road use or racing. All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″ & 10″ dropouts.
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Product Features:
- Fits Ford 9″ with 35 spline axles and loadbolt housing
- Patented internal design reduces common locker failures
- 8620 internals for added strength
- Assembled in the USA
- Aggressive design for racing applications only
Yukon Gear – Standard Open Carrier Case, Ford 8.8", 28 Spline (Part No.20076)
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$379.99
8.8″ 28 spline standard Open bare case (incl REVERSE) 3/4″ cross pin Hole.
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Product Features:
- Standard open carrier case
- Does not include spider gears
- Fits Ford 8.8″ with 28 spline axles
- 3/4″ cross pin bore
Yukon Gear – Dura Grip Case For Ford 8.8", 28 Spline (Part No.20072)
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$399.99
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- Dura Grip positraction carrier case
- Does not include spider gears
- Fits Ford 8.8″ with 28 spline axles
Yukon Gear – Grizzly Locker For Ford 9" With 31 Spline Axles, Racing Design (Part No.28010)
from
$1183.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. This unit requires the use of a 3.250″ dropout. Use carrier bearing/race numbers LM104949/LM104911. The Yukon Grizzly locker uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! This unit has been approved for competition in NASCAR National & Touring series. This is a race unit designed for extreme off road use or racing. All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″ & 10″ dropouts.
Product Features:
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Product Features:
- Fits Ford 9″ with 31 spline axles
- Patented internal design reduces common locker failures
- 8620 internals for added strength
- Assembled in the USA
- Aggressive design for racing applications only
Popular 2001 Mercury Cougar Differentials Categories
Most Popular Differential Bearing Kit for 2001 Mercury Cougars
Enhance your 2001 Mercury Cougar with this popular Differential Bearing Kit we have in stock, for $90.99.
Pro-King – Differential Rebuild Kit (Part No.762B004)
from
$90.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and function.
Product Features:
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Product Features:
- Meets or exceeds OE specifications
Best-Selling 2001 Mercury Cougar Differential Crush Sleef
Upgrade your Cougar with our best-selling Differential Crush Sleef.
Pro-King – Differential Crush Sleeve (Part No.761A034)
from
$2.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Product Features:
- Meets or exceeds OE specifications
Top-Quality Differential Oil for 2001 Mercury Cougars
Choose a high-quality OEM or aftermarket Differential Oil for Mercury Cougars and enjoy top-notch performance from $13.99.
Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)
from
$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.
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Product Features:
- Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
- High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
- Developed with anti-wear technology to help improve transmission durability
- Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
Valvoline – Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822389)
from
$13.99
Valvoline Import Multi-Vehicle Automatic Transmission Fluid is specifically formulated for use in most Toyota, Nissan, Honda and other imported vehicles. It is formulated with all synthetic base stocks and a proprietary additive system to ensure optimal transmission performance in a wide variety of vehicles. Valvoline Import Multi-Vehicle ATF can also be used in many domestic vehicles. It meets requirements of General Motors and Ford vehicles. Recommended for use in the following applications: Ford MERCON, GM DEXRON-II and DEXRON-III, BMW LT 71141 and ETL-7045E, Nissan/Infiniti Nissan ATF, Matic-D, Matic-K and Matic-J, Mitsubishi Diamond SP-II and SP-III, Subaru ATF-HP, Hyundai/ KIA SP-II and SP-III, Toyota/Lexus Type T, T-III and T-IV, Honda/Acura ATF-Z1 (except in CVTs), Mercedes Benz NAG1, Volvo passenger car (except AW-1), and Volkswagen/Audi TL52162. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.
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Product Features:
- Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
- Enhanced anti-shudder protection for smooth shifting and maximum power transfer
- Developed with anti-wear technology to help improve transmission durability
- Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
Castrol – Transmax ATF/CVT Universal Transmission Fluid, Smooth Performance, 1 Gallon (Part No.15E0C8)
from
$28.99
Castrol® Transmax® ATF/CVT Universal is a premium full-synthetic transmission fluid engineered for exceptional performance in both traditional step-shifting automatic transmissions and modern continuously variable transmissions (CVTs). Featuring Castrol Smooth Drive® Technology, it ensures enhanced friction durability for seamless gear shifts and superior high-temperature protection to resist oxidation. This advanced formulation offers unmatched protection against copper corrosion, extending the life of your transmission system. Its broad compatibility covers a wide range of ATF and CVT applications, including Dexron VI, Mercon LV, Toyota WS, Honda DW-1, Nissan Matic S, and many more, making it ideal for diverse vehicle types, including hybrids. Designed to improve workshop efficiency and simplify inventory management, this fluid is a versatile solution for professional mechanics and DIY enthusiasts alike. Packaged in a convenient 1-gallon size, it delivers outstanding value and reliability for maintaining optimal transmission performance.
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Product Features:
- Enhanced friction durability for smooth transmission performance
- Superior high temperature protection to effectively resist oxidation
- Unsurpassed protection against copper corrosion
- Broad scope of vehicle applications improves workshop efficiency and inventory management
- ATF Applications: Dexron VI (Dexron III, Dexron), Mercon LV (Mercon SP, Mercon V, Mercon), JASO 1A (03), JASO 1A LV (13), Toyota T IV, Toyota T III, Toyota WS, Honda/Acura DW 1/Z 1, Nissan Matic D, Matic J, Matic S, Hyundai/Kia SP IV, SP III
- ATF Applications: Mazda ATF M-V, M-III, FZ, Mitsubishi SP IV, SP III, IIM, II, PA, J3, VW/Audi (6, 8 & 9 speed automatics), BMW/Mini (6, 8 and 9 speed automatics), Jaguar/Land Rover (6, 8 & 9 speed automatics), Porsche (6, 8 & 9 speed automatics)
- ATF Applications: Volvo (6, 8 and 9 speed automatics), Volvo Transmission Oil 97342, AT102, Mercedes-Benz (7 and 9 speed automatics)
- CVT Applications: Toyota CVT Fluid TC, Toyota CVT Fluid FE , Nissan CVT Fluid NS-1, Nissan CVT Fluid NS-2, Nissan CVT Fluid NS-3, Subaru i-CVT Fluid, Subaru i-CVT FG, Subaru Lineartronic High Torque Chain CVTF, Honda HCF-2
Our Top Pick for a 2001 Mercury Cougar Differential Ring Gear Bolt
Invest in a
durable Differential Ring Gear Bolt for your 2001 Mercury, knowing you’re getting trusted brands and expert craftsmanship.
Pro-King – Differential Ring Gear Bolt (Part No.761A935)
from
$1.29
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Product Features:
- Meets or exceeds OE specifications
Our Rear Differential Cover Gaskets for 2001 Mercury Cougars
Make a smart move for your 2001 Mercury Cougar with our Rear Differential Cover Gasket for $4.99.
Pro-King – Differential Cover Gasket (Part No.762B303)
from
$4.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
Product Features:
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Product Features:
- Meets or exceeds OE specifications
Top-Rated Differential Brands For Your 2001 Mercury Cougar
When it comes to finding the perfect Differential for your 2001 Mercury Cougar, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Differential brands including Valvoline, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $13.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 2001 Mercury Cougar, providing peace of mind with parts that meet or exceed OEM standards.
Popular Valvoline 2001 Mercury Cougar Differentials
If you’re looking for a top-quality Differential for your 2001 Mercury Cougar, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 2 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $13.99 and an average cost of $24.99, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 2001 Mercury Cougar come highly rated, with over 454 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$35.99
(446)
MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
“Good quality great price”
from
$13.99
(8)
Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart
“My 1999 Honda Accord 4-cylinder has over 250K miles and a drain and fill takes exactly 3 quarts of Import ATF. I do this with every oil change. No pro”
FAQs for 2001 Mercury Cougar Differentials
What are the best-selling Differentials for 2001 Mercury Cougars?
Out of 12 Differentials that fit 2001 Mercury Cougars, the following parts are the top sellers:
- Differential Rebuild Kit (10282430) – $90.99
- Transmax ATF/CVT Universal Transmission Fluid, Smooth Performance, 1 Gallon (50083698) – $28.99
- Camshaft Seal (11494113) – $23.99
What’s the price range for 2001 Mercury Cougar Differentials?
The prices of Differentials for the 2001 Mercury Cougar range from $1.29 up to $242.99 for the most premium parts.
What is the average price of a Differential for a 2001 Mercury Cougar?
The average price for Differentials for the 2001 Mercury Cougar is $40.47. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Differentials for other Mercury Cougar model years?
What are the cheapest Differentials for my 2001 Mercury Cougar?
The cheapest 2001 Mercury Cougar Differentials we carry are:
- Differential Ring Gear Bolt (10282257) – $1.29
- Differential Crush Sleeve (10282338) – $2.99
- Differential Cross Shaft (10282201) – $2.99
- Differential Cover Gasket (10282380) – $4.99
- Differential Pinion Shim Kit (10282353) – $6.99
Does Advance Auto Parts sell Differentials for any other 2001 Mercury models?
Yes. We stock Differentials for 2 other popular 2001 Mercury models. Some of the most popular are 2001 Grand Marquis Differentials, 2001 Mountaineer Differentials, and 2001 Villager Differentials.
What types of Differentials do you sell for my 2001 Mercury Cougar?
As of 3/1/26, these are some of the most in-demand types of Differentials for a 2001 Mercury Cougar:
Can I get help with 2001 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.