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 ×
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Login/Register My Account Track Order Help Center Contact Us
Replacement and OEM Parts for 2003 Hummer H2 Timing Belts, Chains, Cams & Related Parts

2003 Hummer H2 Timing Belts, Chains, Cams & Related Parts

My Vehicle Change Vehicle
2003 Hummer H2
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Engine & Drivetrain

71 products about 2003 Hummer H2 Timing Belts, Chains, Cams & Related Parts found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM 2003 Hummer H2 AC Belt Diagram - 12576447
    View Related Parts

    OEM (Genuine) 2003 Hummer H2 AC Belt

    PartNumber: 12576447
    OEM 2003 Hummer H2 AC Belt - 12576447
    Product Specifications
    • Notes: 6.0 Liter
    • Other Names: AC Belt, Serpentine Belt
    • Item Dimensions: 9.1 x 3.6 x 0.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12554028, 12569346
    • Part Description: AC Belt
    More Info
    $22.66 MSRP: $41.04
    You Save: $18.38 (45%)
  • OEM 2003 Hummer H2 AC Belt Diagram - 12576447
    View Related Parts

    OEM (Genuine) 2003 Hummer H2 AC Belt

    PartNumber: 12576447
    OEM 2003 Hummer H2 AC Belt - 12576447
    Product Specifications
    • Notes: 6.0 Liter
    • Other Names: AC Belt, Serpentine Belt
    • Item Dimensions: 9.1 x 3.6 x 0.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12554028, 12569346
    • Part Description: AC Belt
    More Info
    $22.66 MSRP: $41.04
    You Save: $18.38 (45%)
  • OEM 2003 Hummer H2 AC Belt Diagram - 12576447
    View Related Parts

    OEM (Genuine) 2003 Hummer H2 AC Belt

    PartNumber: 12576447
    OEM 2003 Hummer H2 AC Belt - 12576447
    Product Specifications
    • Notes: 6.0 Liter
    • Other Names: AC Belt, Serpentine Belt
    • Item Dimensions: 9.1 x 3.6 x 0.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12554028, 12569346
    • Part Description: AC Belt
    More Info
    $22.66 MSRP: $41.04
    You Save: $18.38 (45%)
  • OEM 2003 Hummer H2 AC Belt Diagram - 12576447
    View Related Parts

    OEM (Genuine) 2003 Hummer H2 AC Belt

    PartNumber: 12576447
    OEM 2003 Hummer H2 AC Belt - 12576447
    Product Specifications
    • Notes: 6.0 Liter
    • Other Names: AC Belt, Serpentine Belt
    • Item Dimensions: 9.1 x 3.6 x 0.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12554028, 12569346
    • Part Description: AC Belt
    More Info
    $22.66 MSRP: $41.04
    You Save: $18.38 (45%)
  • Dorman OE Solutions Center Inner Regular Grade Type Harmonic Balancer Assembly Kit for 2003 Hummer H2 - 594-209

    Dorman® OE Solutions Center Inner Regular Grade Type Harmonic Balancer Assembly Kit for 2003 Hummer H2

    PartNumber: 594-209
    Product Specifications
    • Notes: Direct Replacement
    • Color/Finish: Black
    • Degree Markings: No
    • Drive Belt Type: Serpentine
    • Grade Type: Regular
    • OE Part Number: 12553112, 12576652, 12634105, 19300488, 8-12576-652-0, 8-12634-105-0, 12617538, 8193004880, 8126152970
    • UPC: 019495118732
    • Part Description: OE Solutions Center Inner Regular Grade Type Harmonic Balancer Assembly Kit
    More Info
    $83.71
  • Dorman OE Solutions Aluminum Timing Chain Cover for 2003 Hummer H2 - 635-522

    Dorman® OE Solutions Aluminum Timing Chain Cover for 2003 Hummer H2

    PartNumber: 635-522
    Product Specifications
    • Color/Finish: Silver
    • Grade Type: Regular
    • Length: 13"
    • Material: Aluminum
    • OE Part Number: 12561243, 8-12561-243-0
    • UPC: 885484513396
    • Width: 10.5"
    • Part Description: OE Solutions Aluminum Timing Chain Cover
    More Info
    $82.45
  • Dayco SUPERCHARGER PERF BALANCER, POWERBOND for 2003 Hummer H2 - PBO81190SC10

    Dayco® SUPERCHARGER PERF BALANCER, POWERBOND for 2003 Hummer H2

    PartNumber: PBO81190SC10
    Product Specifications
    • Bolt Hole Quantity: 9
    • Counterweight Balance: Neutral, no counterweight
    • Crank Bore: 1.481; 37.60
    • Crank Trigger/Exciter Plate: No
    • Hardware Included: No
    • Installation Instructions Included: Yes
    • Nose Outside Diameter: 2.126; 54.00
    • Number of Integrated Pulleys: 2
    • Outer Ring Material: Steel
    • Overall Outside Diameter: 214.00; 8.426
    • Overall Width: 117.50; 4.626
    • Pulley 1 Number Of Grooves: 4
    • Pulley 1 Outside Diameter: 191.200; 7.528
    • Pulley 1 Type: Serpentine
    • Pulley 2 Number Of Grooves: 8
    • Pulley 2 Outside Diameter: 210.000; 8.268
    • Pulley 2 Type: Serpentine
    • Ring Width: 2.569; 65.23
    • Timing Marks: Yes
    • Woodruff Key Included: No
    • Part Description: SUPERCHARGER PERF BALANCER, POWERBOND
    More Info
    $415.62
  • OEM 2003 Hummer H2 Seal, Engine Front Cover Diagram - 12585673
    View Related Parts

    OEM (Genuine) 2003 Hummer H2 Seal, Engine Front Cover

    PartNumber: 12585673
    OEM 2003 Hummer H2 Seal, Engine Front Cover - 12585673
    Product Specifications
    • Notes: 6.0 Liter; Hummer H2
    • Item Dimensions: 3.5 x 3.5 x 0.4 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12550565, 12561244
    • Part Description: Seal, Engine Front Cover
    More Info
    $15.05 MSRP: $45.94
    You Save: $30.89 (68%)
  • OEM 2003 Hummer H2 Seal, Engine Front Cover Diagram - 12585673
    View Related Parts

    OEM (Genuine) 2003 Hummer H2 Seal, Engine Front Cover

    PartNumber: 12585673
    OEM 2003 Hummer H2 Seal, Engine Front Cover - 12585673
    Product Specifications
    • Notes: 6.0 Liter; Hummer H2
    • Item Dimensions: 3.5 x 3.5 x 0.4 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12550565, 12561244
    • Part Description: Seal, Engine Front Cover
    More Info
    $15.05 MSRP: $45.94
    You Save: $30.89 (68%)
  • Gates Accessory Belt Drive Kit for 2003 Hummer H2 - 90K-38158C

    Gates® Accessory Belt Drive Kit for 2003 Hummer H2

    PartNumber: 90K-38158C
    Product Specifications
    • Notes: {K060930, 38158, 36299}; W/145A. Alt.
    • Belt Outside Circumference: 93.585"
    • Belt Part Number: K060930
    • Belt Top Width: 0.807
    • Idler Pulley 1 Part Number: 36299
    • Tensioner Assembly Part Number: 38158
    • UPC: 770075755913
    • Part Description: Accessory Belt Drive Kit
    More Info
    $89.35
  • Dorman OE Solutions Steel Harmonic Balancer Bolt for 2003 Hummer H2 - 917-139

    Dorman® OE Solutions Steel Harmonic Balancer Bolt for 2003 Hummer H2

    PartNumber: 917-139
    Product Specifications
    • Material: Steel
    • OE Part Number: 12557840
    • UPC: 037495332637
    • Part Description: OE Solutions Steel Harmonic Balancer Bolt
    More Info
    $5.06
  • Gates Fleetrunner Micro V Heavy Duty V Ribbed Belt for 2003 Hummer H2 - K060930HD

    Gates® Fleetrunner Micro V Heavy Duty V Ribbed Belt for 2003 Hummer H2

    PartNumber: K060930HD
    Product Specifications
    • Notes: W/145A. Alt.
    • Effective Length: 93.02"
    • OE Comparison Rating: OE Improved
    • Outside Circumference: 93.585"
    • Rib Quantity: 6
    • Section: K
    • Top Width: 0.807"
    • UPC: 770075241522
    • Part Description: Fleetrunner Micro V Heavy Duty V Ribbed Belt
    More Info
    $43.73
  • Dayco Serpentine Belt Kit for 2003 Hummer H2 - 5040378K1

    Dayco® Serpentine Belt Kit for 2003 Hummer H2

    PartNumber: 5040378K1
    Product Specifications
    • Notes: Incls: Serpentine Belt & Tensioner
    • UPC: 036687907325
    • Part Description: Serpentine Belt Kit
    More Info
    $46.71
  • Gates Accessory Belt Drive Kit for 2003 Hummer H2 - 90K-38159

    Gates® Accessory Belt Drive Kit for 2003 Hummer H2

    PartNumber: 90K-38159
    Product Specifications
    • Notes: {K040378HD, 38159}
    • Belt Outside Circumference: 977
    • Belt Part Number: K040378HD
    • Belt Top Width: 0.56
    • Tensioner Assembly Part Number: 38159
    • UPC: 770075755890
    • Part Description: Accessory Belt Drive Kit
    More Info
    $59.58
  • Four Seasons Drive Belt Idler Pulley for 2003 Hummer H2 - 45975

    Four Seasons® Drive Belt Idler Pulley for 2003 Hummer H2

    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: Drive Belt Idler Pulley
    More Info
    $13.76
  • BANDO Rib Ace™ V-Ribbed Serpentine Belt for 2003 Hummer H2 - 6PK2365

    BANDO® Rib Ace™ V-Ribbed Serpentine Belt for 2003 Hummer H2

    PartNumber: 6PK2365
    Product Specifications
    • Notes: OE: 12576451
    • Effective Length: 93.1"
    • Inch Number: 931K6
    • Rib Quantity: 6
    • Top Width: 0.84"
    • UPC: 649717251093
    • Part Description: Rib Ace™ V-Ribbed Serpentine Belt
    More Info
    $22.80
  • OEM 2003 Hummer H2 Serpentine Idler Pulley Diagram - 12669569
    View Related Parts

    OEM (Genuine) 2003 Hummer H2 Serpentine Idler Pulley

    PartNumber: 12669569
    OEM 2003 Hummer H2 Serpentine Idler Pulley - 12669569
    Product Specifications
    • Notes: 6.0 Liter
    • 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: Serpentine Idler Pulley
    More Info
    $54.20 MSRP: $102.28
    You Save: $48.08 (48%)
  • OEM 2003 Hummer H2 Serpentine Idler Pulley Diagram - 12669569
    View Related Parts

    OEM (Genuine) 2003 Hummer H2 Serpentine Idler Pulley

    PartNumber: 12669569
    OEM 2003 Hummer H2 Serpentine Idler Pulley - 12669569
    Product Specifications
    • Notes: 6.0 Liter
    • 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: Serpentine Idler Pulley
    More Info
    $54.20 MSRP: $102.28
    You Save: $48.08 (48%)
  • OEM 2003 Hummer H2 Serpentine Idler Pulley Diagram - 12669569
    View Related Parts

    OEM (Genuine) 2003 Hummer H2 Serpentine Idler Pulley

    PartNumber: 12669569
    OEM 2003 Hummer H2 Serpentine Idler Pulley - 12669569
    Product Specifications
    • Notes: 6.0 Liter
    • 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: Serpentine Idler Pulley
    More Info
    $54.20 MSRP: $102.28
    You Save: $48.08 (48%)
  • Gates Drivealign OE Exact Automatic Belt Tensioner for 2003 Hummer H2 - 38158

    Gates® Drivealign OE Exact Automatic Belt Tensioner for 2003 Hummer H2

    PartNumber: 38158
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: V-Ribbed Grooved
    • Material: Thermoplastic
    • Number of Grooves: 6
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 2.99"
    • UPC: 072053674859
    • Width: 25 mm
    • Part Description: Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $36.87
  • Four Seasons Drive Belt Idler Pulley for 2003 Hummer H2 - 45971

    Four Seasons® Drive Belt Idler Pulley for 2003 Hummer H2

    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: Drive Belt Idler Pulley
    More Info
    $12.39
  • Gates Micro V V Ribbed Belt for 2003 Hummer H2 - K060930

    Gates® Micro V V Ribbed Belt for 2003 Hummer H2

    PartNumber: K060930
    Product Specifications
    • Notes: W/145A. Alt.
    • OE Comparison Rating: OE Performance
    • Outside Circumference: 93.585"
    • Rib Quantity: 6
    • Section: K
    • Top Width: 20 mm
    • UPC: 072053009583
    • Part Description: Micro V V Ribbed Belt
    More Info
    $34.54
  • Dayco No Slack Automatic Belt Tensioner Assembly for 2003 Hummer H2 - 89253

    Dayco® No Slack Automatic Belt Tensioner Assembly for 2003 Hummer H2

    PartNumber: 89253
    Product Specifications
    • Notes: For Serpentine Belt
    • Belt Type: Serpentine
    • Direction: Counter Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 76
    • Pulley 1 Flat: N
    • Pulley 1 Number Of Grooves: 6
    • Pulley 1 Width: 28.7
    • UPC: 036687244154
    • Part Description: No Slack Automatic Belt Tensioner Assembly
    More Info
    $35.50
  • BANDO Rib Ace™ V-Ribbed Serpentine Belt for 2003 Hummer H2 - 4PK960

    BANDO® Rib Ace™ V-Ribbed Serpentine Belt for 2003 Hummer H2

    PartNumber: 4PK960
    Product Specifications
    • Notes: OE: 12576447
    • Effective Length: 37.8"
    • Inch Number: 378K4
    • Rib Quantity: 4
    • Top Width: 0.56"
    • UPC: 649717001018
    • Part Description: Rib Ace™ V-Ribbed Serpentine Belt
    More Info
    $7.96
  • Dayco No Slack Automatic Belt Tensioner Assembly for 2003 Hummer H2 - 89258

    Dayco® No Slack Automatic Belt Tensioner Assembly for 2003 Hummer H2

    PartNumber: 89258
    Product Specifications
    • Notes: For Compressor Belt, WARNING SEE TECH BULLETIN
    • Belt Type: Serpentine
    • Direction: Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 60
    • Pulley 1 Flat: Y
    • Pulley 1 Width: 20
    • UPC: 036687244161
    • Part Description: No Slack Automatic Belt Tensioner Assembly
    More Info
    $32.35
  • Dayco Poly Rib Serpentine Belt for 2003 Hummer H2 - 5060930

    Dayco® Poly Rib Serpentine Belt for 2003 Hummer H2

    PartNumber: 5060930
    Product Specifications
    • Color: Black
    • Cross Section: K-Section
    • Effective Length: 2362.20; 93.00
    • Material: EPDM, Aramid Reinforced
    • Maximum Operating Temperature: 100; 212
    • Minimum Operating Temperature: -42.7; -45
    • Outside Circumference: 2376.43; 93.56
    • Rib Depth: Standard
    • Rib Profile: W Profile
    • Rib Quantity: 6
    • Standards: SAE J1459, SAE J2432
    • Top Width: .82
    • UPC: 038244096268
    • Part Description: Poly Rib Serpentine Belt
    More Info
    $34.31
  • Gates Drivealign Drive Belt Idler Pulley for 2003 Hummer H2 - 36299

    Gates® Drivealign Drive Belt Idler Pulley for 2003 Hummer H2

    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: Drivealign Drive Belt Idler Pulley
    More Info
    $25.40
  • Gates Drivealign OE Exact Automatic Belt Tensioner for 2003 Hummer H2 - 38159

    Gates® Drivealign OE Exact Automatic Belt Tensioner for 2003 Hummer H2

    PartNumber: 38159
    Product Specifications
    • Bearing Bore Inside Diameter 1: 12 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 2.36"
    • Pulley 1 Flanged: No
    • UPC: 072053674927
    • Width: 21 mm
    • Part Description: Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $34.31
  • Dayco No Slack Light Duty New Style Idler Tensioner Pulley for 2003 Hummer H2 - 89006

    Dayco® No Slack Light Duty New Style Idler Tensioner Pulley for 2003 Hummer H2

    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: No Slack Light Duty New Style Idler Tensioner Pulley
    More Info
    $19.32
  • OEM 2003 Hummer H2 Serpentine Tensioner Diagram - 12609719
    View Related Parts

    OEM (Genuine) 2003 Hummer H2 Serpentine Tensioner

    PartNumber: 12609719
    OEM 2003 Hummer H2 Serpentine Tensioner - 12609719
    Product Specifications
    • Notes: 6.0 Liter, Ps & Alternator
    • Other Names: Belt Tensioner, Serpentine Tensioner, Tensioner
    • Item Dimensions: 6.6 x 4.5 x 4.5 inches
    • Item Weight: 1.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12580162, 12554027
    • Part Description: Serpentine Tensioner
    More Info
    $61.34 MSRP: $101.54
    You Save: $40.20 (40%)
1-30 of 71 Results
< Previous
123
Next >