2025 Freightliner MT45 Pulleys
Keep Your 2025 Freightliner MT45 in Top Shape with Quality Pulleys
Whether you’re repairing or upgrading your Pulley, using high-quality parts is key to keeping your 2025 Freightliner MT45 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including 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 2025 Freightliner MT45 Pulley at Advance Auto Parts is around $45.99, with a range that starts at $40.99 and goes up to $50.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Idler Pulley: Direct Fit, Steel, 70mm Diameter, With Hardware and Idler Pulley: Direct Fit, Steel, 90mm Diameter, With Hardware start at just $40.99 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 Radiator Hoses and Serpentine and V Belts. At Advance Auto Parts, we’re here to help you keep your 2025 Freightliner MT45 in peak condition, inside and out.
Find Your Specific 2025 Freightliner MT45 Pulleys
Looking for the perfect Pulley for your 2025 Freightliner MT45? You’re in the right place. Below, you’ll find links to various types of Pulleys that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Pulleys, ensuring durability and a precise fit for your Freightliner MT45. Whether you’re driving a 2025 model or another popular model year like
2000,
2001,
2002,
2003,
2004,
2005,
2006,
2009, and
2017, we’ve got you covered. Purchasing Pulleys 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 Pulleys that fit your vehicle.
Essential 2025 Freightliner MT45 Pulleys
Litens – Idler Pulley: Direct Fit, Steel, 70mm Diameter, With Hardware (Part No.900882A)
from
$40.99
This pulley is manufactured 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 for newer Buick 2.0L and 2.4L engine applications. This pulley conforms to original equipment material, tolerances, and specifications. The part is produced based on the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction for long life and trouble-free performance. Applications include G.M. This pulley assembly Includes a new mounting bolt as well as a new washer/dust shield for ease of installation. Crosses to OE 12605492 and others. 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:
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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 Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance.
- Includes all mounting hardware – Bolt and large metal dust shield.
- Pulley Assemblies save time and ensure “like new” performance
- Running surface designed and engineered for proper belt tracking.
- 70.0mm O.D.; 16.0mm I.D; 30.8mm smooth running surface; steel. For use with a 6- rib serpentine belt. Includes bolt, 2 dust shields, and retainer.
Gates – DriveAlign Belt Drive Idler/Tensioner Pulley (Part No.38009)
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:
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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
Litens – Idler Pulley: Direct Fit, Steel, 90mm Diameter, With Hardware (Part No.900613A)
from
$50.99
Litens Automotive is the original equipment supplier for the 2014-Present Chevrolet Silverado 1500/GMC Sierra 1500 4.3L (Lower-Idler) This replacement pulley was made by the same OE production supplier and therefore has the same performance characteristics as the original O.E. part. This pulley is produced for serpentine belt routing applications and is made of high strength steel for improved life and durability. Includes installation bolt, dust shield and double row ball bearing for extra strength and durability. 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:
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Product Features:
- Manufactured by the Original Equipment supplier
- Heavy Duty Steel Pulley with close tolerance two ball bearings in the pocket for extra strength and durability. Is also has Electro-deposited coating for superior corrosion resistance.
- Heavy duty polyacrylic seals and synthetic grease for added enhanced durability
- Installation instructions included
Litens – Idler/Tensioner Pulley: Direct Fit, Steel, 74mm Diameter (Part No.900122A)
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.
Product Features:
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Product Features:
- Manufactured by one of the largest original equipment part suppliers in the world to ensure proper form, fit, and performance.
- Forged Heavy Duty Steel Pulley designed to displace bearing heat. Precision machined face for smooth running surface. Tandem 6303 Ball Bearings for extended life.
- Installation instructions included.
Litens – Idler/Tensioner Pulley: Direct Fit, Steel, 75mm Diameter (Part No.900041A)
from
$57.99
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 Freightliner, Kenworth, Peterbilt, Sterling, and Western Star. 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:
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Product Features:
- Manufactured by one of the world’s largest Original Equipment suppliers of accessory drive tensioners and pulleys.
- Heavy Duty Steel Pulley
- Precision steel stamping with close tolerance ball bearing pocket.
- Electro-deposited coating (e-coat) for superior corrosion resistance.
- Running surface designed and engineered for proper belt tracking.
Popular 2025 Freightliner MT45 Pulleys Categories
Most Popular Idler Pulleys for 2025 Freightliner MT45s
Enhance your 2025 Freightliner MT45 with one of the 2 Idler Pulleys we have in stock, starting at just $40.99.
Litens – Idler Pulley: Direct Fit, Steel, 70mm Diameter, With Hardware (Part No.900882A)
from
$40.99
This pulley is manufactured 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 for newer Buick 2.0L and 2.4L engine applications. This pulley conforms to original equipment material, tolerances, and specifications. The part is produced based on the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction for long life and trouble-free performance. Applications include G.M. This pulley assembly Includes a new mounting bolt as well as a new washer/dust shield for ease of installation. Crosses to OE 12605492 and others. 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:
See More
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 Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance.
- Includes all mounting hardware – Bolt and large metal dust shield.
- Pulley Assemblies save time and ensure “like new” performance
- Running surface designed and engineered for proper belt tracking.
- 70.0mm O.D.; 16.0mm I.D; 30.8mm smooth running surface; steel. For use with a 6- rib serpentine belt. Includes bolt, 2 dust shields, and retainer.
Litens – Idler Pulley: Direct Fit, Steel, 90mm Diameter, With Hardware (Part No.900613A)
from
$50.99
Litens Automotive is the original equipment supplier for the 2014-Present Chevrolet Silverado 1500/GMC Sierra 1500 4.3L (Lower-Idler) This replacement pulley was made by the same OE production supplier and therefore has the same performance characteristics as the original O.E. part. This pulley is produced for serpentine belt routing applications and is made of high strength steel for improved life and durability. Includes installation bolt, dust shield and double row ball bearing for extra strength and durability. 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:
See More
Product Features:
- Manufactured by the Original Equipment supplier
- Heavy Duty Steel Pulley with close tolerance two ball bearings in the pocket for extra strength and durability. Is also has Electro-deposited coating for superior corrosion resistance.
- Heavy duty polyacrylic seals and synthetic grease for added enhanced durability
- Installation instructions included
FAQs for 2025 Freightliner MT45 Pulleys
What are the best-selling Pulleys for 2025 Freightliner MT45s?
Out of 2 Pulleys that fit 2025 Freightliner MT45s, the following parts are the top sellers:
- Idler Pulley: Direct Fit, Steel, 70mm Diameter, With Hardware (10457920) – $40.99
- Idler Pulley: Direct Fit, Steel, 90mm Diameter, With Hardware (11872467) – $50.99
What’s the price range for 2025 Freightliner MT45 Pulleys?
The prices of Pulleys for the 2025 Freightliner MT45 range from $40.99 up to $50.99 for the most premium parts.
What is the average price of a Pulley for a 2025 Freightliner MT45?
The average price for Pulleys for the 2025 Freightliner MT45 is $45.99. 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 Freightliner MT45 model years?
What are the cheapest Pulleys for my 2025 Freightliner MT45?
The cheapest 2025 Freightliner MT45 Pulleys we carry are:
- Idler Pulley: Direct Fit, Steel, 70mm Diameter, With Hardware (10457920) – $40.99
- Idler Pulley: Direct Fit, Steel, 90mm Diameter, With Hardware (11872467) – $50.99
Does Advance Auto Parts sell Pulleys for any other 2025 Freightliner models?
Yes. We stock Pulleys for 7 other popular 2025 Freightliner models. Some of the most popular are 2025 108SD Pulleys, 2025 114SD Pulleys, 2025 M2 106 Pulleys, 2025 M2 112 Pulleys, and 2025 MT55 Pulleys.
What types of Pulleys do you sell for my 2025 Freightliner MT45?
We currently have just 1 Pulley in stock for a 2025 Freightliner MT45, and as of 6/2/26, it is an Idler Pulley.
Can I get help with 2025 Freightliner MT45 Pulley orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Freightliner Pulleys and more.
What is your return policy for Freightliner MT45 Pulleys?
Advance Auto Parts keeps returns simple. For new Freightliner MT45 Pulleys and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.