Mack GU4 Pulleys

Your One-Stop Shop For Trusted Mack GU4 Pulleys

If you’re in search of Mack GU4 Pulleys aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 3 Pulleys from top brands with prices ranging from $57.99 to $95.99.

Beyond great prices, we stock trusted brands manufacturing all types of Pulleys for your Mack GU4. Of the 3 OEM and aftermarket parts brands we carry, some of the most popular are Dayco, Gates, and Litens.

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 Mack GU4 Pulleys below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Mack GU4 Pulleys

Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 86.5mm Dia., 39.4mm Width, Smooth (Part No.89106)

Serpentine Idler/Tensioner Pulley; Steel, 86.5mm Dia., 39.4mm Width, Smooth

from

$57.99
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, 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.
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Pulleys Brands You Can Trust For Your Mack GU4

3 trusted brands of Pulleys line our shelves, ready to help keep your Mack GU4 running smooth. Below are some of the most popular brands and their top Pulleys offerings:

Most Purchased Mack GU4 Pulleys from Dayco No Slack Gold Label

When you buy the most frequently purchased Dayco No Slack Gold Label brand Pulleys, you can be confident it will be the right part for your Mack GU4. Here are the Dayco No Slack Gold Label Pulleys Advanced Auto customers buy the most:
Serpentine Idler/Tensioner Pulley; Steel, 86.5mm Dia., 39.4mm Width, Smooth
from $57.99
This product is not rated
Serpentine Idler/Tensioner Pulley; Steel, 86.5mm Dia., 39.4mm Width, Smooth
Idler Pulleys
DRIVEALIGN PULLEY
from $95.99
This product is not rated
DRIVEALIGN PULLEY
Idler Pulleys
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 86 mm Diameter
from $57.99
This product is not rated
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 86 mm Diameter
Belt Tensioner Pulleys