1970 Mercury Cougar Pulleys

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Keep Your 1970 Mercury Cougar in Top Shape with Quality Pulleys

Whether you’re repairing or upgrading your Pulley, using high-quality parts is key to keeping your 1970 Mercury Cougar looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Idler Pulleys and Accessory Drive Pulley Set. 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.

Competitive Prices and Extensive Inventory

The average price for a 1970 Mercury Cougar Pulley at Advance Auto Parts is around $183.80, with a range that starts at $49.49 and goes up to $246.99. With 3 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Idler Pulley: Direct Fit, Steel, 94mm Diameter, With Hardware, Ford Small Block Gilmer Style Pulley Kit – Black, and Ford Small Block Gilmer Style Pulley Kit – Satin start at just $49.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Pulley, don’t forget to check out other key components like Oil Cooler Hoses and Serpentine and V Belts. At Advance Auto Parts, we’re here to help you keep your 1970 Mercury Cougar in peak condition, inside and out.

Essential 1970 Mercury Cougar Pulleys

Litens – Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 70mm Diameter (Part No.900125A)

Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 70mm Diameter

from

$28.99
Litens Automotive is the original equipment (O.E.) supplier for this application. This genuine Litens replacement pulley is also manufactured by Litens, the world’s largest supplier of original equipment power transmission products. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This pulley meets or exceeds all original equipment fit, form, and performance characteristics. For maximum performance and durability, always use genuine Litens components. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Heavy duty thermoplastic pulley construction
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • Installation instructions included
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Litens – Idler/Tensioner Pulley: Direct Fit, Steel, 76mm Diameter (Part No.900022A)

Idler/Tensioner Pulley: Direct Fit, Steel, 76mm Diameter

from

$34.49
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in the U.S.A. to the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by one of the largest original equipment part suppliers in the world to ensure proper form, fit, and performance.
  • Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Installation instructions included.
See More

Gates – DriveAlign Belt Drive Idler/Tensioner Pulley (Part No.38001)

DriveAlign Belt Drive Idler/Tensioner Pulley

from

$34.99
Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.

Product Features:
  • Steel and thermoplastic construction designed with tight manufacturing tolerances to deliver great durability and quality performance
  • Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
  • Original equipment quality suitable for virtually all domestic or imported vehicles in the current vehicle fleet
  • Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures
  • High-quality bearings eliminate noise
  • Mounting hardware included for some popular applications
  • Reliable operation in difficult conditions
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Dayco – Idler Pulley, Dayco (Part No.89007)

Idler Pulley, Dayco

from

$30.49
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
See More

Litens – Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 70mm Diameter (Part No.900031A)

Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 70mm Diameter

from

$25.99
This pulley is manufactured by Litens Automotive the original equipment part supplier and the inventor of the first automatic belt tensioner in 1979 and today the world’s largest supplier of Original Equipment (O.E.) belt tensioning and routing products. This pulley is produced for serpentine belt routing applications and as the pulley component on automatic tensioner applications. This pulley conforms to original equipment material, tolerances, and specifications. The part is made in Canada using the O.E. specified design and meets all performance and durability requirements. Heavy duty thermoplastic construction for long life and trouble-free performance. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by Litens, the largest original equipment tensioner and pulley supplier in the world, to ensure proper form, fit, and performance.
  • Heavy Duty Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
  • Installation instructions included.
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Dorman – Idler/Tensioner Pulley: Specific Fit, Plastic, 132.5 mm Diameter (Part No.419-644)

Idler/Tensioner Pulley: Specific Fit, Plastic, 132.5 mm Diameter

from

$21.99
This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations.

Product Features:
  • Direct replacement – this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehicles
  • Restores performance – fixes a failed, squealing or groaning noise from a worn idler pulley
  • Application specific – reverse engineered from the original design on certain vehicle years, makes and models
  • Trustworthy quality – backed by team of engineers and quality specialists in the United States
See More

Gates – DriveAlign Belt Drive Idler/Tensioner Pulley (Part No.38009)

DriveAlign Belt Drive Idler/Tensioner Pulley

from

$27.49
Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.

Product Features:
  • Constructed from steel and thermoplastic designed to strict manufacturing tolerances for high durability and quality performance.
  • Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
  • Original equipment quality suitable for virtually all domestic or imported vehicles in the current vehicle fleet
  • The bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high temperatures under the hood.
  • High-quality bearings eliminate noise
  • Mounting hardware included for some popular applications
  • Reliable operation under severe conditions
See More

Dayco – Idler Pulley, Dayco (Part No.89016)

Idler Pulley, Dayco

from

$26.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
See More

Dorman – Idler/Tensioner Pulley: Specific Fit, Steel, 90 mm Diameter (Part No.419-605)

Idler/Tensioner Pulley: Specific Fit, Steel, 90 mm Diameter

from

$20.79
This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations.

Product Features:
  • Direct replacement – this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehicles
  • Restores performance – fixes a failed, squealing or groaning noise from a worn idler pulley
  • Application specific – reverse engineered from the original design on certain vehicle years, makes and models
  • Trustworthy quality – backed by team of engineers and quality specialists in the United States
See More

Gates – DriveAlign Belt Drive Idler/Tensioner Pulley (Part No.38023)

DriveAlign Belt Drive Idler/Tensioner Pulley

from

$32.99
Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.

Product Features:
  • Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
  • Built to last thanks to superior resistance to dirt, salt, chemicals and other contaminants that can be found under the hood
  • Original equipment quality that fits virtually any domestic or imported vehicle on the market
  • Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures
  • High-quality bearings eliminate noise
  • Mounting hardware included for some popular applications
  • Reliable operation under severe conditions
See More

Litens – Idler Pulley: Direct Fit, Steel, 95mm Diameter, with Hardware (Part No.900067A)

Idler Pulley: Direct Fit, Steel, 95mm Diameter, with Hardware

from

$29.99
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in Canada to the O.E. specified design and meets all performance and durability requirements. Heavy duty split-steel pulley preassembled on a steel belt tensioning bracket for Ford/Mercury applications. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by one of the largest original equipment part suppliers in the world to ensure proper form, fit, and performance.
  • Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Installation instructions included.
See More

Litens – Idler Pulley: Direct Fit, Steel, 94mm Diameter (Part No.900048A)

Idler Pulley: Direct Fit, Steel, 94mm Diameter

from

$29.99
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in the U.S.A. to the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by one of the largest original equipment part suppliers in the world to ensure proper form, fit, and performance.
  • Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Installation instructions included.
See More

Litens – Idler Pulley: Direct Fit, Steel, 94mm Diameter, With Hardware (Part No.900060A)

Idler Pulley: Direct Fit, Steel, 94mm Diameter, With Hardware

from

$49.49
This pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in Canada to the O.E. specified design and meets all performance and durability requirements. Heavy duty steel pulley preassembled on a steel mounting bracket. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by one of the largest original equipment part suppliers in the world to ensure proper form, fit, and performance.
  • Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Installation instructions included.
See More

Litens – Idler/Tensioner Pulley: Direct Fit, Steel, 70mm Diameter (Part No.900448A)

Idler/Tensioner Pulley: Direct Fit, Steel, 70mm Diameter

from

$46.99
This Litens supplied pulley is manufactured to original equipment specifications. Heavy duty steel pulley construction ensures long life and trouble-free performance. This pulley meets or exceeds all original equipment fit, form, and performance characteristics. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Heavy duty steel pulley construction
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • Installation instructions included
See More

Most Popular Idler Pulley for 1970 Mercury Cougars

Enhance your 1970 Mercury Cougar with this popular Idler Pulley we have in stock, for $49.49.

Litens – Idler Pulley: Direct Fit, Steel, 94mm Diameter, With Hardware (Part No.900060A)

Idler Pulley: Direct Fit, Steel, 94mm Diameter, With Hardware

from

$49.49
This pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in Canada to the O.E. specified design and meets all performance and durability requirements. Heavy duty steel pulley preassembled on a steel mounting bracket. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Manufactured by one of the largest original equipment part suppliers in the world to ensure proper form, fit, and performance.
  • Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Installation instructions included.
See More

Best-Selling 1970 Mercury Cougar Accessory Drive Pulley Set

Upgrade your Cougar with one of our 2 best-selling Accessory Drive Pulley Set.

Top Street Performance – Ford Small Block Gilmer Style Pulley Kit – Black (Part No.10093BK)

Ford Small Block Gilmer Style Pulley Kit - Black

from

$246.99
Gilmer pulleys are a great solution for any racing set-up. They eliminate the problem of slippage and disengagement you’d experience at high RPM with a v-belt. Each TSP Gilmer kit comes with pulleys for the crank, water pump, and alternator, and A 1.5 in. wide belt. Regardless of application, TSP’s Gilmer style pulley kit is an efficient and lightweight option for your high-performance engine.

Product Features:
  • Pulley Material, Billet Aluminum
  • Pulley Finish, Black
  • Available in black or satin
  • Water Pump Pulley, Included
See More

Top Street Performance – Ford Small Block Gilmer Style Pulley Kit – Satin (Part No.10093)

Ford Small Block Gilmer Style Pulley Kit - Satin

from

$239.99
Gilmer pulleys are a great solution for any racing set-up. They eliminate the problem of slippage and disengagement you’d experience at high RPM with a v-belt. Each TSP Gilmer kit comes with pulleys for the crank, water pump, and alternator, and A 1.5 in. wide belt. Regardless of application, TSP’s Gilmer style pulley kit is an efficient and lightweight option for your high-performance engine.

Product Features:
  • Pulley Material, Billet Aluminum
  • Pulley Finish, Satin
  • Available in black or satin
  • Water Pump Pulley, Included
See More

FAQs for 1970 Mercury Cougar Pulleys

What are the best-selling Pulleys for 1970 Mercury Cougars?

Out of 3 Pulleys that fit 1970 Mercury Cougars, the following parts are the top sellers:

What’s the price range for 1970 Mercury Cougar Pulleys?

The prices of Pulleys for the 1970 Mercury Cougar range from $49.49 up to $246.99 for the most premium parts.

What is the average price of a Pulley for a 1970 Mercury Cougar?

The average price for Pulleys for the 1970 Mercury Cougar is $183.80. Keep in mind the variety of part types within our Pulley category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Pulleys for other Mercury Cougar model years?

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

What are the cheapest Pulleys for my 1970 Mercury Cougar?

The cheapest 1970 Mercury Cougar Pulleys we carry are:

Does Advance Auto Parts sell Pulleys for any other 1970 Mercury models?

Yes. We stock Pulleys for 3 other popular 1970 Mercury models. Some of the most popular are 1970 Montego Pulleys, 1970 Cyclone Pulleys, 1970 Monterey Pulleys, and 1970 Colony Park Pulleys.

What types of Pulleys do you sell for my 1970 Mercury Cougar?

As of 6/2/26, these are some of the most in-demand types of Pulleys for a 1970 Mercury Cougar:

Can I get help with 1970 Mercury Cougar Pulley orders?

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

What is your return policy for Mercury Cougar Pulleys?

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