2004 Mack CX Pulleys

Please Select your Vehicle to See Exact Fit Parts

Keep Your 2004 Mack CX in Top Shape with Quality Pulleys

Whether you’re repairing or upgrading your Pulley, using high-quality parts is key to keeping your 2004 Mack CX looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Belt Tensioner Pulleys and Idler Pulleys. 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 2004 Mack CX Pulley at Advance Auto Parts is around $65.49, with a range that starts at $54.99 and goes up to $88.99. With 4 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 46.27mm Width, Smooth, 89102, Litens Idler Pulley: Direct Fit, Steel, 112mm Diameter, 900180A, and Litens Tensioner Pulley: Direct Fit, Steel, 74mm Diameter, 900121A start at just $54.99 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 Belt Tensioners and Serpentine and V Belts. At Advance Auto Parts, we’re here to help you keep your 2004 Mack CX in peak condition, inside and out.

Essential 2004 Mack CX Pulleys

Litens – Litens Tensioner Pulley: Direct Fit, Steel, 74mm Diameter, 900121A (Part No.900121A)

Litens Tensioner Pulley: Direct Fit, Steel, 74mm Diameter, 900121A

from

$58.99
This pulley is designed and engineered by Litens Automotive 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 using the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction for long life and trouble-free performance. Designed for HD truck 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.
See More

Dayco – Idler Pulley, Dayco, 89009 (Part No.89009)

Idler Pulley, Dayco, 89009

from

$24.99
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.
See More

Litens – Litens Idler Pulley: Direct Fit, Steel, 112mm Diameter, 900180A (Part No.900180A)

Litens Idler Pulley: Direct Fit, Steel, 112mm Diameter, 900180A

from

$58.99
This pulley is supplied by Litens Automotive – 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 meets all performance and durability requirements. Fits Heavy Duty truck applications including Mack. 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.
See More

Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 46.27mm Width, Smooth, 89102 (Part No.89102)

Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 46.27mm Width, Smooth, 89102

from

$54.99
Designed to replace idler and tensioner pulleys for serpentine drives in heavy-duty diesel engine applications, Dayco HD idler/tensioner pulleys are machined from high-strength steel or powdered metal material to provide excellent wear resistance under harsh environments. Dual pressed-in bearings provide long bearing life and protection against the shock loads experienced by today’s diesel trucks.
See More

Gates – Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 36092 (Part No.36092)

Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 36092

from

$88.99
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.
See More

Most Popular Belt Tensioner Pulley for 2004 Mack CXes

Enhance your 2004 Mack CX with this popular Belt Tensioner Pulley we have in stock, for $58.99.

Litens – Litens Tensioner Pulley: Direct Fit, Steel, 74mm Diameter, 900121A (Part No.900121A)

Litens Tensioner Pulley: Direct Fit, Steel, 74mm Diameter, 900121A

from

$58.99
This pulley is designed and engineered by Litens Automotive 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 using the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction for long life and trouble-free performance. Designed for HD truck 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.
See More

Best-Selling 2004 Mack CX Idler Pulleys

Upgrade your CX with one of our 3 best-selling Idler Pulleys.

Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 46.27mm Width, Smooth, 89102 (Part No.89102)

Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 46.27mm Width, Smooth, 89102

from

$54.99
Designed to replace idler and tensioner pulleys for serpentine drives in heavy-duty diesel engine applications, Dayco HD idler/tensioner pulleys are machined from high-strength steel or powdered metal material to provide excellent wear resistance under harsh environments. Dual pressed-in bearings provide long bearing life and protection against the shock loads experienced by today’s diesel trucks.
See More

Gates – Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 36092 (Part No.36092)

Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 36092

from

$88.99
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.
See More

Litens – Litens Idler Pulley: Direct Fit, Steel, 112mm Diameter, 900180A (Part No.900180A)

Litens Idler Pulley: Direct Fit, Steel, 112mm Diameter, 900180A

from

$58.99
This pulley is supplied by Litens Automotive – 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 meets all performance and durability requirements. Fits Heavy Duty truck applications including Mack. 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.
See More

FAQs for 2004 Mack CX Pulleys

What are the best-selling Pulleys for 2004 Mack CXes?

What’s the price range for 2004 Mack CX Pulleys?

The prices of Pulleys for the 2004 Mack CX range from $54.99 up to $88.99 for the most premium parts.

What is the average price of a Pulley for a 2004 Mack CX?

The average price for Pulleys for the 2004 Mack CX is $65.49. 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 Mack CX model years?

Yes, we carry Pulleys for 6 model years of Mack CXes between 1998 and 2005. The following model years are the most popular for Pulley purchases: 2005, 2003, 2002, 2001, 2000, 1999, and 1998.

Does Advance Auto Parts sell Pulleys for any other 2004 Mack models?

Yes. We stock Pulleys for 7 other popular 2004 Mack models. Some of the most popular are 2004 CXN Pulleys, 2004 LE Pulleys, 2004 CHN Pulleys, 2004 CV Pulleys, and 2004 CL Pulleys.

What types of Pulleys do you sell for my 2004 Mack CX?

As of 8/2/26, these are some of the most in-demand types of Pulleys for a 2004 Mack CX:

Can I get help with 2004 Mack CX Pulley orders?

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

What is your return policy for Mack CX Pulleys?

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