2001 Peterbilt 377 Pulleys
Keep Your 2001 Peterbilt 377 in Top Shape with Quality Pulleys
Whether you’re repairing or upgrading your Pulley, using high-quality parts is key to keeping your 2001 Peterbilt 377 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 2001 Peterbilt 377 Pulley at Advance Auto Parts is around $45.24, with a range that starts at $44.99 and goes up to $45.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 39.25mm Width, Smooth and Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 32.8mm Width, Smooth start at just $44.99 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 2001 Peterbilt 377 in peak condition, inside and out.
Find Your Specific 2001 Peterbilt 377 Pulleys
Looking for the perfect Pulley for your 2001 Peterbilt 377? 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 Peterbilt 377. Whether you’re driving a 2001 model or another popular model year like
1997,
1998,
1999, and
2000, 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 2001 Peterbilt 377 Pulleys
Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 32.8mm Width, Smooth (Part No.89105)
from
$45.99
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.
Product Features:
See More
Product Features:
- Engineered for the demanding drive systems of today’s class 4-8 heavy-duty commercial trucks
- Premium OE technology to ensure peak performance under extreme conditions
- Utilizes 3D dimensional computer aided design (CAD) and finite element analysis (FEA) for optimal design and maximum structural integrity
- Meets or exceeds OE quality
Litens – Idler/Tensioner Pulley: Direct Fit, Steel, 74mm Diameter (Part No.900120A)
from
$49.99
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.
Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 39.25mm Width, Smooth (Part No.89101)
from
$44.99
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.
Product Features:
See More
Product Features:
- Engineered for the demanding drive systems of today’s class 4-8 heavy-duty commercial trucks
- Premium OE technology to ensure peak performance under extreme conditions
- Utilizes 3D dimensional computer aided design (CAD) and finite element analysis (FEA) for optimal design and maximum structural integrity
- Meets or exceeds OE quality
Popular 2001 Peterbilt 377 Pulleys Categories
Most Popular Idler Pulleys for 2001 Peterbilt 377s
Enhance your 2001 Peterbilt 377 with one of the 2 Idler Pulleys we have in stock, starting at just $44.99.
Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 39.25mm Width, Smooth (Part No.89101)
from
$44.99
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.
Product Features:
See More
Product Features:
- Engineered for the demanding drive systems of today’s class 4-8 heavy-duty commercial trucks
- Premium OE technology to ensure peak performance under extreme conditions
- Utilizes 3D dimensional computer aided design (CAD) and finite element analysis (FEA) for optimal design and maximum structural integrity
- Meets or exceeds OE quality
Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 32.8mm Width, Smooth (Part No.89105)
from
$45.99
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.
Product Features:
See More
Product Features:
- Engineered for the demanding drive systems of today’s class 4-8 heavy-duty commercial trucks
- Premium OE technology to ensure peak performance under extreme conditions
- Utilizes 3D dimensional computer aided design (CAD) and finite element analysis (FEA) for optimal design and maximum structural integrity
- Meets or exceeds OE quality
FAQs for 2001 Peterbilt 377 Pulleys
What are the best-selling Pulleys for 2001 Peterbilt 377s?
Out of 2 Pulleys that fit 2001 Peterbilt 377s, the following parts are the top sellers:
- Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 39.25mm Width, Smooth (20130043) – $44.99
- Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 32.8mm Width, Smooth (20130040) – $45.99
What’s the price range for 2001 Peterbilt 377 Pulleys?
The prices of Pulleys for the 2001 Peterbilt 377 range from $44.99 up to $45.99 for the most premium parts.
What is the average price of a Pulley for a 2001 Peterbilt 377?
The average price for Pulleys for the 2001 Peterbilt 377 is $45.24. 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 Peterbilt 377 model years?
What are the cheapest Pulleys for my 2001 Peterbilt 377?
The cheapest 2001 Peterbilt 377 Pulleys we carry are:
- Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 39.25mm Width, Smooth (20130043) – $44.99
- Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 32.8mm Width, Smooth (20130040) – $45.99
Does Advance Auto Parts sell Pulleys for any other 2001 Peterbilt models?
Yes. We stock Pulleys for 8 other popular 2001 Peterbilt models. Some of the most popular are 2001 387 Pulleys, 2001 379 Pulleys, 2001 330 Pulleys, 2001 378 Pulleys, and 2001 357 Pulleys.
What types of Pulleys do you sell for my 2001 Peterbilt 377?
We currently have just 1 Pulley in stock for a 2001 Peterbilt 377, and as of 11/2/25, it is an Idler Pulley.
Can I get help with 2001 Peterbilt 377 Pulley orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Peterbilt Pulleys and more.
What is your return policy for Peterbilt 377 Pulleys?
Advance Auto Parts keeps returns simple. For new Peterbilt 377 Pulleys and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.