Peterbilt 320 Pulleys

Your One-Stop Shop For Trusted Peterbilt 320 Pulleys

If you’re in search of Peterbilt 320 Pulleys aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 18 Pulleys from top brands with prices ranging from $41.99 to $236.99.

Beyond great prices, we stock trusted brands manufacturing all types of Pulleys for your Peterbilt 320. Of the 3 OEM and aftermarket parts brands we carry, some of the most popular are Litens, Dayco, and Gates.

And don’t forget to read customer reviews across all Pulleys categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Pulleys have to cost top dollar, and we prove it. Browse our top Peterbilt 320 Pulleys below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Peterbilt 320 Pulleys

Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 42.6mm Width, Smooth (Part No.89109)

Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 42.6mm Width, Smooth

from

$65.99
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 ha

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
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Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 38.3mm Width, Smooth (Part No.89111)

Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 38.3mm Width, Smooth

from

$86.99
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 ha

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
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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter (Part No.900459A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter

from

$58.99
This Litens pulley is supplied by one of the largest original equipment tensioner and pulley suppliers in the world and meets all form, fit, and performance characteristics of the original equipment part . The Litens replacement part is constructed of heavy duty steel 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.
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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 82.6 mm Diameter (Part No.900502A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 82.6 mm Diameter

from

$179.99
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 International/Navistar. Includes new bolt and front and rear spacers. 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.
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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 74 mm Diameter (Part No.900120A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 74 mm Diameter

from

$41.99
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.
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Gates – DRIVEALIGN PULLEY (Part No.36164)

DRIVEALIGN PULLEY

from

$119.99
DRIVEALIGN PULLEY

Gates – DriveAlign½ Belt Drive Idler/Tensioner Pulley (Part No.36227)

DriveAlign½ Belt Drive Idler/Tensioner Pulley

from

$44.99
Product Features:
  • Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
  • Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
  • OE-quality fit for virtually every domestic or import vehicle on the road today
  • Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures
  • Premium bearings eliminate bearing noise
  • Mounting hardware included for some popular applications
  • Reliable operation under severe conditions
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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 83.5 mm Diameter (Part No.900376A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 83.5 mm Diameter

from

$66.99
This pulley is manufactured 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 International 5000 and 9000 series vehicles. Comes complete with new dust shield. 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.
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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter (Part No.900409A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter

from

$48.99
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 International/Navistar. 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 world’s largest Original Equipment suppliers of accessory drive tensioners and pulleys.
  • Heavy Duty Steel Pulley for Navistar/International Trucks
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
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Gates – DriveAlign½ Belt Drive Idler/Tensioner Pulley (Part No.36231)

DriveAlign½ Belt Drive Idler/Tensioner Pulley

from

$148.99
Product Features:
  • Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
  • Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
  • OE-quality fit for virtually every domestic or import vehicle on the road today
  • Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures
  • Premium bearings eliminate bearing noise
  • Mounting hardware included for some popular applications
  • Reliable operation under severe conditions
See More

Gates – DriveAlign½ Belt Drive Idler/Tensioner Pulley (Part No.36223)

DriveAlign½ Belt Drive Idler/Tensioner Pulley

from

$71.99
Product Features:
  • Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
  • Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
  • OE-quality fit for virtually every domestic or import vehicle on the road today
  • Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures
  • Premium bearings eliminate bearing noise
  • Mounting hardware included for some popular applications
  • Reliable operation under severe conditions
See More

Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 39.25mm Width, Smooth (Part No.89101)

Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 39.25mm Width, Smooth

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 ha

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
See More

Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 75 mm Diameter (Part No.900276A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 75 mm Diameter

from

$60.99
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. This Heavy duty Steel pulley is 74mm O.D. Applications include HD Truck and Bus 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

Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 75 mm Diameter (Part No.900274A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 75 mm Diameter

from

$92.99
This pulley is manufactured 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 Kenworth, Freightliner, International, Peterbilt, and Sterling. Comes complete with new bolt and dust shield. 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

Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 86 mm Diameter (Part No.900117A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 86 mm Diameter

from

$57.99
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

Pulleys Brands You Can Trust For Your Peterbilt 320

3 trusted brands of Pulleys line our shelves, ready to help keep your Peterbilt 320 running smooth. Below are some of the most popular brands and their top Pulleys offerings:

Most Purchased Peterbilt 320 Pulleys from Litens

When you buy the most frequently purchased Litens brand Pulleys, you can be confident it will be the right part for your Peterbilt 320. Here are the Litens Pulleys Advanced Auto customers buy the most:
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter
from $58.99
This product is not rated
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter
Belt Tensioner Pulleys
Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 39.25mm Width, Smooth
from $44.99
This product is not rated
Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 39.25mm Width, Smooth
Idler Pulleys
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 83.5 mm Diameter
from $66.99
This product is not rated
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 83.5 mm Diameter
Idler Pulleys

FAQs for Peterbilt 320 Pulleys

What are the most purchased Pulleys for the Peterbilt 320?

Out of 18 Pulleys for the Peterbilt 320, the most popular in our inventory are:
Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 39.25mm Width, Smooth
from $44.99
This product is not rated
Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 39.25mm Width, Smooth
Idler Pulleys
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter
from $58.99
This product is not rated
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter
Belt Tensioner Pulleys
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 83.5 mm Diameter
from $66.99
This product is not rated
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 83.5 mm Diameter
Idler Pulleys