Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
My Vehicle Change Vehicle
2008 Hummer H3
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Timing Belts, Chains, Cams & Related Parts
  • Department
  • Brands
  • Prices

14 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) 2008 Hummer H3 Serpentine Idler Pulley

    PartNumber: 12669569
    OEM 2008 Hummer H3 Serpentine Idler Pulley - 12669569
    Product Specifications
    • Notes: 5.3 Liter; Hummer H3; 5.3l
    • Other Names: Idler Pulley, Serpentine Idler Pulley
    • Item Dimensions: 6.8 x 4.4 x 4.4 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12555609, 12580771
    • Part Description: 2008 Hummer H3 Serpentine Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Hummer H3 | Alpha, Championship Series | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    $54.20 MSRP: $102.28
    You Save: $48.08 (48%)
  • Gates Drivealign Drive Belt Idler Pulley for 2008 Hummer H3 - 36299

    Gates® Drivealign Drive Belt Idler Pulley for 2008 Hummer H3

    PartNumber: 36299
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number of Grooves: 0
    • Number Of Pulleys: 1
    • Outside Diameter: 3.54"
    • Pulley 1 Flanged: No
    • UPC: 072053394078
    • Width: 31 mm
    • Part Description: 2008 Hummer H3 Drivealign Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Hummer H3 | All Trims | 8 Cyl 5.3L
    $25.40
  • Dayco No Slack Light Duty New Style Idler Tensioner Pulley for 2008 Hummer H3 - 89006

    Dayco® No Slack Light Duty New Style Idler Tensioner Pulley for 2008 Hummer H3

    PartNumber: 89006
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 12
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Steel
    • Max Belt Width: 06 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 90
    • Pulley Width: 30
    • UPC: 038244156948
    • Part Description: 2008 Hummer H3 No Slack Light Duty New Style Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2008 Hummer H3 | All Trims | 8 Cyl 5.3L
    $19.32
  • Four Seasons Drive Belt Idler Pulley for 2008 Hummer H3 - 45025

    Four Seasons® Drive Belt Idler Pulley for 2008 Hummer H3

    PartNumber: 45025
    Product Specifications
    • Belt Type: Back Idler
    • Belt Width IN: 1.000
    • Belt Width MM: 25.400
    • Bore Dia. IN: .67
    • Color: Black
    • Groove Quantity: Smooth
    • I.D. MM: 17
    • Inside Diameter: 0.671875
    • Material: Steel
    • Meets / Exceeds OEM: Yes
    • Mount Hole Qty: 1
    • Mounting Hardware: Not Included
    • O.D. MM: 69.850
    • Outside Diameter: 2.750
    • Pulley Type: Idler Pulley
    • Pulley Width IN: 1.062
    • Pulley Width MM: Idler / Tensioner Pulley
    • Style: Idler / Tensioner Pulley
    • UPC: 096361450257
    • Width: 27
    • Part Description: 2008 Hummer H3 Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Hummer H3 | All Trims | 5 Cyl 3.7L
    $23.91
  • Gates Drivealign Drive Belt Idler Pulley for 2008 Hummer H3 - 36301

    Gates® Drivealign Drive Belt Idler Pulley for 2008 Hummer H3

    PartNumber: 36301
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number of Grooves: 0
    • Number Of Pulleys: 1
    • Outside Diameter: 70 mm
    • Pulley 1 Flanged: No
    • UPC: 072053394092
    • Width: 33.5 mm
    • Part Description: 2008 Hummer H3 Drivealign Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Hummer H3 | All Trims | 5 Cyl 3.7L
    $20.89
  • Dayco No Slack Light Duty Idler Tensioner Pulley for 2008 Hummer H3 - 89058

    Dayco® No Slack Light Duty Idler Tensioner Pulley for 2008 Hummer H3

    PartNumber: 89058
    Product Specifications
    • Notes: Idler Assy Pulley
    • Bearing Inner Diameter 1: 17
    • Bearing Inner Diameter 2: 17
    • Bearing Width: 24
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Steel
    • Max Belt Width: 06 Rib
    • Number of Bearings: 2
    • Pulley Outside Diameter: 70
    • Pulley Width: 30
    • UPC: 036687383082
    • Part Description: 2008 Hummer H3 No Slack Light Duty Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2008 Hummer H3 | All Trims | 5 Cyl 3.7L
    $19.39
  • Four Seasons Drive Belt Idler Pulley for 2008 Hummer H3 - 45047

    Four Seasons® Drive Belt Idler Pulley for 2008 Hummer H3

    PartNumber: 45047
    Product Specifications
    • Belt Type: Serpentine
    • Belt Width IN: 1.125
    • Belt Width MM: 28.575
    • Bore Dia. IN: .67
    • Color: Black
    • Groove Quantity: Smooth
    • I.D. MM: 17
    • Inside Diameter: 0.671875
    • Material: Steel
    • Meets / Exceeds OEM: Yes
    • Mount Hole Qty: 1
    • Mounting Hardware: Not Included
    • O.D. MM: 69.850
    • Outside Diameter: 2.750
    • Pulley Type: Back Idler
    • Pulley Width IN: 1.18
    • Pulley Width MM: Idler / Tensioner Pulley
    • Style: Idler / Tensioner Pulley
    • UPC: 096361450479
    • Width: 30
    • Part Description: 2008 Hummer H3 Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Hummer H3 | All Trims | 5 Cyl 3.7L
    $19.28
  • Gates Drivealign Drive Belt Idler Pulley for 2008 Hummer H3 - 38009

    Gates® Drivealign Drive Belt Idler Pulley for 2008 Hummer H3

    PartNumber: 38009
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: V-Ribbed Grooved
    • Material: Thermoplastic
    • Number of Grooves: 6
    • Number Of Pulleys: 1
    • Outside Diameter: 2.99"
    • Pulley 1 Flanged: Yes
    • UPC: 072053284256
    • Width: 25 mm
    • Part Description: 2008 Hummer H3 Drivealign Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Hummer H3 | All Trims | 8 Cyl 5.3L
    $15.36
  • Dayco No Slack Light Duty Idler Tensioner Pulley for 2008 Hummer H3 - 89009

    Dayco® No Slack Light Duty Idler Tensioner Pulley for 2008 Hummer H3

    PartNumber: 89009
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 12
    • Belt Type: Serpentine
    • Flat: N
    • Groove Quantity: 6
    • Material: Polymer
    • Max Belt Width: 06 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 76
    • Pulley Width: 28.7
    • UPC: 038244156979
    • Part Description: 2008 Hummer H3 No Slack Light Duty Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2008 Hummer H3 | All Trims | 8 Cyl 5.3L
    $13.50
  • Four Seasons Drive Belt Idler Pulley for 2008 Hummer H3 - 45975

    Four Seasons® Drive Belt Idler Pulley for 2008 Hummer H3

    PartNumber: 45975
    Product Specifications
    • Belt Type: Serpentine
    • Belt Width IN: 1.000
    • Belt Width MM: 25.400
    • Bore Dia. IN: .69
    • Color: Black
    • Groove Quantity: Smooth
    • I.D. MM: 17
    • Inside Diameter: 0.6875
    • Material: Steel
    • Meets / Exceeds OEM: Yes
    • Mount Hole Qty: 1
    • Mounting Hardware: Not Included
    • O.D. MM: 88.900
    • Outside Diameter: 3.500
    • Pulley Type: Back Idler
    • Pulley Width IN: 1
    • Pulley Width MM: 25.4
    • Style: Idler / Tensioner Pulley
    • UPC: 096361459755
    • Width: 25.4
    • Part Description: 2008 Hummer H3 Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Hummer H3 | All Trims | 8 Cyl 5.3L
    $13.76
  • Gates Drivealign Drive Belt Idler Pulley for 2008 Hummer H3 - 36101

    Gates® Drivealign Drive Belt Idler Pulley for 2008 Hummer H3

    PartNumber: 36101
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Thermoplastic
    • Number of Grooves: 0
    • Number Of Pulleys: 1
    • Outside Diameter: 2.76"
    • Pulley 1 Flanged: No
    • UPC: 072053209709
    • Width: 31 mm
    • Part Description: 2008 Hummer H3 Drivealign Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Hummer H3 | All Trims | 5 Cyl 3.7L
    $12.78
  • Four Seasons Drive Belt Idler Pulley for 2008 Hummer H3 - 45971

    Four Seasons® Drive Belt Idler Pulley for 2008 Hummer H3

    PartNumber: 45971
    Product Specifications
    • Belt Type: Serpentine
    • Belt Width IN: .88
    • Belt Width MM: 22.4
    • Bore Dia. IN: .67
    • Color: Black
    • Groove Quantity: 6
    • I.D. MM: 17
    • Inside Diameter: 0.671875
    • Material: Plastic
    • Meets / Exceeds OEM: Yes
    • Mount Hole Qty: 1
    • Mounting Hardware: Not Included
    • O.D. MM: 76.0
    • Outside Diameter: 2.99
    • Pulley Type: Idler Pulley
    • Pulley Width IN: 1.13
    • Pulley Width MM: 28.7
    • Style: Idler / Tensioner Pulley
    • UPC: 096361459717
    • Width: 28.7
    • Part Description: 2008 Hummer H3 Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Hummer H3 | All Trims | 8 Cyl 5.3L
    $12.39
  • Dayco No Slack Upper Light Duty Idler Tensioner Pulley for 2008 Hummer H3 - 89052

    Dayco® No Slack Upper Light Duty Idler Tensioner Pulley for 2008 Hummer H3

    PartNumber: 89052
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 12
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Steel
    • Max Belt Width: 06 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 70
    • Pulley Width: 27
    • UPC: 036687308795
    • Part Description: 2008 Hummer H3 No Slack Upper Light Duty Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2008 Hummer H3 | All Trims | 5 Cyl 3.7L
    $14.33
  • OEM (Genuine) 2008 Hummer H3 Serpentine Idler Pulley

    PartNumber: 12590963
    OEM 2008 Hummer H3 Serpentine Idler Pulley - 12590963
    Product Specifications
    • Notes: 3.5 & 3.7 Liter; Hummer H3; 3.5l, 3.7l
    • Other Names: Idler Pulley, Serpentine Idler Pulley
    • Item Dimensions: 9.0 x 3.3 x 3.3 inches
    • Item Weight: 1.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12587547
    • Part Description: 2008 Hummer H3 Serpentine Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Hummer H3 | Base, X | 5 Cyl 3.5 L GAS, 5 Cyl 3.7 L GAS