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Shop By Brand

The Following brands are available based on your search.

  • Dayco
    Dayco
  • Gates
    Gates

Best Selling Genuine Mack Belt Idler Pulleys

  • We Stock the following top leading brands, including Dayco, Gates
  • Constantly Updated Inventory of Mack Replacement Belt Idler Pulley Parts

We stock Belt Idler Pulley parts for most Mack models, including CL, CT, CTP, CV, CXU, GU4, GU5, GU7, GU8, LE, LEU, MR, MRU.

Dayco
2012 Mack GU4 Drive Belt Idler Pulley Dayco

P311-3C71525    89106  New

Qty:
$45.05
Dayco Drive Belt Idler Pulley
  • Product Attributes:
    • :
      • 39.4
      • 86.5
    • Bearing Inner Diameter 1: 17
    • Bearing Inner Diameter 2: 17
    • Bearing Width: 24
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Steel
    • Max Belt Width: 08 Rib
    • Number of Bearings: 2
Brand: Dayco
Additional Fitment Information:
Vehicle
2012 - Mack GU4
Dayco
2004 Mack CL Drive Belt Idler Pulley - Fan and Water Pump Dayco

P311-3C71525    89106  New

Qty:
$45.05
Dayco Drive Belt Idler Pulley  Fan and Water Pump
  • Product Attributes:
    • :
      • 39.4
      • 86.5
    • Bearing Inner Diameter 1: 17
    • Bearing Inner Diameter 2: 17
    • Bearing Width: 24
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Steel
    • Max Belt Width: 08 Rib
    • Number of Bearings: 2
Brand: Dayco
Additional Fitment Information:
Vehicle Position
2004 - Mack CL Fan and Water Pump
Gates
2013 Mack GU4 Drive Belt Idler Pulley 6 Cyl 8.9L Gates

P311-13A96FE    36096  New

Qty:
$39.47
Gates Drive Belt Idler Pulley
  • DriveAlign® Idler Pulleys
  • DriveAlign Premium OE Pulley
Brand: Gates
Additional Fitment Information:
Vehicle Block CC CID Fuel Type
2013 - Mack GU4 L 8900 543 DIESEL
Gates
2007 Mack CL Drive Belt Idler Pulley - Air Conditioning 6 Cyl 15.0L Gates

P311-1FBD6F4    36223  New

Qty:
$36.58
Gates Drive Belt Idler Pulley  Air Conditioning
  • DriveAlign® Idler Pulleys
  • DriveAlign Premium OE Pulley
Brand: Gates
Additional Fitment Information:
Vehicle Block CC CID Fuel Type Position
2007 - Mack CL L 15000 915 DIESEL Air Conditioning
Gates
2007 Mack LE Drive Belt Idler Pulley - Alternator 6 Cyl 11.9L Gates

P311-28D4C64    36230  New

Qty:
$40.53
Gates Drive Belt Idler Pulley  Alternator
  • DriveAlign® Idler Pulleys
  • DriveAlign Premium OE Pulley
Brand: Gates
Additional Fitment Information:
Vehicle Block CC CID Fuel Type Position
2007 - Mack LE - - 728 DIESEL Alternator
Gates
2013 Mack GU7 Drive Belt Idler Pulley - Smooth Pulley 6 Cyl 10.8L Gates

P311-1F9E8CA    36286  New

Qty:
$66.42
Gates Drive Belt Idler Pulley  Smooth Pulley
  • DriveAlign® Idler Pulleys
  • DriveAlign Premium OE Pulley
Brand: Gates
Additional Fitment Information:
Vehicle Block CC CID Fuel Type Position
2013 - Mack GU7 - - 659 DIESEL Smooth Pulley
Gates
2012 Mack GU7 Drive Belt Idler Pulley - Upper 6 Cyl 10.8L Gates

P311-1F9E8CA    36286  New

Qty:
$66.42
Gates Drive Belt Idler Pulley  Upper
  • DriveAlign® Idler Pulleys
  • W/800 Series
  • DriveAlign Premium OE Pulley
Brand: Gates
Additional Fitment Information:
Vehicle Block CC CID Fuel Type Position
2012 - Mack GU7 - - 659 DIESEL Upper
Gates
2010 Mack GU7 Drive Belt Idler Pulley - Fan (Upper) 6 Cyl 10.8L Gates

P311-1F9E8CA    36286  New

Qty:
$66.42
Gates Drive Belt Idler Pulley  Fan (Upper)
  • DriveAlign® Idler Pulleys
  • DriveAlign Premium OE Pulley
Brand: Gates
Additional Fitment Information:
Vehicle Block CC CID Fuel Type Position
2010 - Mack GU7 - - 659 DIESEL Fan (Upper)
Gates
2007 Mack LE Drive Belt Idler Pulley - Air Conditioning 6 Cyl 11.9L Gates

P311-517B721    36167  New

Qty:
$43.74
Gates Drive Belt Idler Pulley  Air Conditioning
  • DriveAlign® Idler Pulleys
  • DriveAlign Premium OE Pulley
Brand: Gates
Additional Fitment Information:
Vehicle Block CC CID Fuel Type Position
2007 - Mack LE - - 728 DIESEL Air Conditioning
Gates
Qty:
$43.74
Gates Drive Belt Idler Pulley  Fan, Alternator and Air Conditioning
  • DriveAlign® Idler Pulleys
  • DriveAlign Premium OE Pulley
Brand: Gates
Additional Fitment Information:
Vehicle Block CC CID Fuel Type Position
2007 - Mack MR - - 728 DIESEL Fan, Alternator and Air Conditioning
Gates
2015 Mack CXU Drive Belt Idler Pulley - Fan 6 Cyl 10.8L Gates

P311-23D064D    36616  New

Qty:
$66.53
  • DriveAlign Premium OE Pulley
Brand: Gates
Additional Fitment Information:
Vehicle Block CC CID Fuel Type Position
2015 - Mack CXU - - 659 DIESEL Fan
Gates
2013 Mack GU7 Drive Belt Idler Pulley - Grooved Pulley 6 Cyl 10.8L Gates

P311-23D064D    36616  New

Qty:
$66.53
  • DriveAlign Premium OE Pulley
Brand: Gates
Additional Fitment Information:
Vehicle Block CC CID Fuel Type Position
2013 - Mack GU7 - - 659 DIESEL Grooved Pulley
Gates
2012 Mack GU7 Drive Belt Idler Pulley - Lower 6 Cyl 10.8L Gates

P311-23D064D    36616  New

Qty:
$66.53
  • W/800 Series
  • DriveAlign Premium OE Pulley
Brand: Gates
Additional Fitment Information:
Vehicle Block CC CID Fuel Type Position
2012 - Mack GU7 - - 659 DIESEL Lower
Gates
2012 Mack MRU Drive Belt Idler Pulley - Fan and Water Pump 6 Cyl 10.8L Gates

P311-23D064D    36616  New

Qty:
$66.53
  • DriveAlign Premium OE Pulley
Brand: Gates
Additional Fitment Information:
Vehicle Block CC CID Fuel Type Position
2012 - Mack MRU - - 659 DIESEL Fan and Water Pump
Gates
2010 Mack GU7 Drive Belt Idler Pulley - Fan (Lower) 6 Cyl 10.8L Gates

P311-23D064D    36616  New

Qty:
$66.53
  • DriveAlign Premium OE Pulley
Brand: Gates
Additional Fitment Information:
Vehicle Block CC CID Fuel Type Position
2010 - Mack GU7 - - 659 DIESEL Fan (Lower)