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 GMC Sierra 2500 HD Classic Timing Belts, Chains, Cams & Related Parts

Select your vehicle for the best product fit

  • Select Vehicle by Model
  • Select Vehicle by VIN
Select Make
Select Model
Select Year
or

GMC Sierra 2500 HD Classic Timing Belts, Chains, Cams & Related Parts

< Back to View All
Engine & Drivetrain
  • Department
  • Brands
  • Prices

183 products about GMC Sierra 2500 HD Classic Timing Belts, Chains, Cams & Related Parts found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM GMC Sierra 2500 HD Classic AC Belt Diagram - 12576447
    View Related Parts

    OEM (Genuine) GMC Sierra 2500 HD Classic AC Belt

    PartNumber: 12576447
    OEM GMC Sierra 2500 HD Classic AC Belt - 12576447
    Product Specifications
    • 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: GMC Sierra 2500 HD Classic AC Belt
    More Info
    $22.66 MSRP: $41.04
    You Save: $18.38 (45%)
  • OEM GMC Sierra 2500 HD Classic AC Belt Diagram - 12576447
    View Related Parts

    OEM (Genuine) GMC Sierra 2500 HD Classic AC Belt

    PartNumber: 12576447
    OEM GMC Sierra 2500 HD Classic AC Belt - 12576447
    Product Specifications
    • 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: GMC Sierra 2500 HD Classic AC Belt
    More Info
    $22.66 MSRP: $41.04
    You Save: $18.38 (45%)
  • OEM GMC Sierra 2500 HD Classic AC Belt Diagram - 12576447
    View Related Parts

    OEM (Genuine) GMC Sierra 2500 HD Classic AC Belt

    PartNumber: 12576447
    OEM GMC Sierra 2500 HD Classic AC Belt - 12576447
    Product Specifications
    • 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: GMC Sierra 2500 HD Classic AC Belt
    More Info
    $22.66 MSRP: $41.04
    You Save: $18.38 (45%)
  • OEM GMC Sierra 2500 HD Classic AC Belt Diagram - 12576447
    View Related Parts

    OEM (Genuine) GMC Sierra 2500 HD Classic AC Belt

    PartNumber: 12576447
    OEM GMC Sierra 2500 HD Classic AC Belt - 12576447
    Product Specifications
    • 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: GMC Sierra 2500 HD Classic AC Belt
    More Info
    $22.66 MSRP: $41.04
    You Save: $18.38 (45%)
  • OEM GMC Sierra 2500 HD Classic Seal, Engine Front Cover Diagram - 12585673
    View Related Parts

    OEM (Genuine) GMC Sierra 2500 HD Classic Seal, Engine Front Cover

    PartNumber: 12585673
    OEM GMC Sierra 2500 HD Classic Seal, Engine Front Cover - 12585673
    Product Specifications
    • 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: GMC Sierra 2500 HD Classic Seal, Engine Front Cover
    More Info
    $22.54 MSRP: $44.74
    You Save: $22.20 (50%)
  • OEM GMC Sierra 2500 HD Classic Seal, Engine Front Cover Diagram - 12585673
    View Related Parts

    OEM (Genuine) GMC Sierra 2500 HD Classic Seal, Engine Front Cover

    PartNumber: 12585673
    OEM GMC Sierra 2500 HD Classic Seal, Engine Front Cover - 12585673
    Product Specifications
    • 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: GMC Sierra 2500 HD Classic Seal, Engine Front Cover
    More Info
    $22.54 MSRP: $44.74
    You Save: $22.20 (50%)
  • Dorman OE Solutions Center Inner Regular Grade Type Harmonic Balancer Assembly Kit for GMC Sierra 2500 HD Classic - 594-209

    Dorman® OE Solutions Center Inner Regular Grade Type Harmonic Balancer Assembly Kit for GMC Sierra 2500 HD Classic

    PartNumber: 594-209
    Product Specifications
    • 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: GMC Sierra 2500 HD Classic OE Solutions Center Inner Regular Grade Type Harmonic Balancer Assembly Kit
    More Info
    $83.71
  • Dorman OE Solutions Aluminum Timing Chain Cover for GMC Sierra 2500 HD Classic - 635-522

    Dorman® OE Solutions Aluminum Timing Chain Cover for GMC Sierra 2500 HD Classic

    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: GMC Sierra 2500 HD Classic OE Solutions Aluminum Timing Chain Cover
    More Info
    $82.45
  • OEM GMC Sierra 2500 HD Classic Serpentine Idler Pulley Diagram - 12669569
    View Related Parts

    OEM (Genuine) GMC Sierra 2500 HD Classic Serpentine Idler Pulley

    PartNumber: 12669569
    OEM GMC Sierra 2500 HD Classic Serpentine Idler Pulley - 12669569
    Product Specifications
    • 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: GMC Sierra 2500 HD Classic Serpentine Idler Pulley
    More Info
    $52.78 MSRP: $99.60
    You Save: $46.82 (48%)
  • OEM GMC Sierra 2500 HD Classic Serpentine Idler Pulley Diagram - 12669569
    View Related Parts

    OEM (Genuine) GMC Sierra 2500 HD Classic Serpentine Idler Pulley

    PartNumber: 12669569
    OEM GMC Sierra 2500 HD Classic Serpentine Idler Pulley - 12669569
    Product Specifications
    • 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: GMC Sierra 2500 HD Classic Serpentine Idler Pulley
    More Info
    $52.78 MSRP: $99.60
    You Save: $46.82 (48%)
  • OEM GMC Sierra 2500 HD Classic Serpentine Idler Pulley Diagram - 12669569
    View Related Parts

    OEM (Genuine) GMC Sierra 2500 HD Classic Serpentine Idler Pulley

    PartNumber: 12669569
    OEM GMC Sierra 2500 HD Classic Serpentine Idler Pulley - 12669569
    Product Specifications
    • 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: GMC Sierra 2500 HD Classic Serpentine Idler Pulley
    More Info
    $52.78 MSRP: $99.60
    You Save: $46.82 (48%)
  • Dorman OE Solutions Steel Harmonic Balancer Bolt for GMC Sierra 2500 HD Classic - 917-139

    Dorman® OE Solutions Steel Harmonic Balancer Bolt for GMC Sierra 2500 HD Classic

    PartNumber: 917-139
    Product Specifications
    • Material: Steel
    • OE Part Number: 12557840
    • UPC: 037495332637
    • Part Description: GMC Sierra 2500 HD Classic OE Solutions Steel Harmonic Balancer Bolt
    More Info
    $5.06
  • Dayco DIESEL PERF RACE BALANCER, POWERBOND for GMC Sierra 2500 HD Classic - PB1649DP

    Dayco® DIESEL PERF RACE BALANCER, POWERBOND for GMC Sierra 2500 HD Classic

    PartNumber: PB1649DP
    Product Specifications
    • Bolt Hole Quantity: 0
    • Counterweight Balance: Hub weighted
    • Crank Bore: 1.930; 49.01
    • Crank Trigger/Exciter Plate: No
    • Hardware Included: No
    • Installation Instructions Included: No
    • Nose Outside Diameter: 0; 0.00
    • Number of Integrated Pulleys: 1
    • Outer Ring Material: Steel
    • Overall Outside Diameter: 198.00; 7.796
    • Overall Width: 2.707; 68.75
    • Pulley 1 Number Of Grooves: 6
    • Pulley 1 Outside Diameter: 192.000; 7.560
    • Pulley 1 Type: Serpentine
    • Ring Width: 2.619; 66.50
    • Timing Marks: Yes
    • Woodruff Key Included: No
    • Part Description: GMC Sierra 2500 HD Classic DIESEL PERF RACE BALANCER, POWERBOND
    More Info
    $425.66
  • Gates Accessory Belt Drive Kit for GMC Sierra 2500 HD Classic - 90K-38260

    Gates® Accessory Belt Drive Kit for GMC Sierra 2500 HD Classic

    PartNumber: 90K-38260
    Product Specifications
    • Belt Outside Circumference: 2428
    • Belt Part Number: K060950
    • Belt Top Width: 0.807
    • Idler Pulley 1 Part Number: 36299
    • Tensioner Assembly Part Number: 38260
    • UPC: 770075758051
    • Part Description: GMC Sierra 2500 HD Classic Accessory Belt Drive Kit
    More Info
    $117.38
  • Dayco SUPERCHARGER PERF BALANCER, POWERBOND for GMC Sierra 2500 HD Classic - PBO81190SC10

    Dayco® SUPERCHARGER PERF BALANCER, POWERBOND for GMC Sierra 2500 HD Classic

    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: GMC Sierra 2500 HD Classic SUPERCHARGER PERF BALANCER, POWERBOND
    More Info
    $415.62
  • Sealed Power Full Babbitt Camshaft Bearing Set for GMC Sierra 2500 HD Classic - 1404M

    Sealed Power® Full Babbitt Camshaft Bearing Set for GMC Sierra 2500 HD Classic

    PartNumber: 1404M
    Product Specifications
    • Material: Babbitt
    • Package Alert: Full set
    • Part Material: Babbitt Material
    • Set Type: Cam Set
    • Size: Standard
    • UPC: 724956049660
    • Part Description: GMC Sierra 2500 HD Classic Full Babbitt Camshaft Bearing Set
    More Info
    $38.12
  • Gates Accessory Belt Drive Kit for GMC Sierra 2500 HD Classic - 90K-38260A

    Gates® Accessory Belt Drive Kit for GMC Sierra 2500 HD Classic

    PartNumber: 90K-38260A
    Product Specifications
    • Belt Outside Circumference: 2440
    • Belt Part Number: K060956
    • Belt Top Width: 0.807
    • Idler Pulley 1 Part Number: 36299
    • Tensioner Assembly Part Number: 38260
    • UPC: 770075758068
    • Part Description: GMC Sierra 2500 HD Classic Accessory Belt Drive Kit
    More Info
    $112.88
  • Victor Reinz Timing Cover Gasket Set for GMC Sierra 2500 HD Classic - 15-10237-01

    Victor Reinz® Timing Cover Gasket Set for GMC Sierra 2500 HD Classic

    PartNumber: 15-10237-01
    Product Specifications
    • Bolt Hole Quantity: 0
    • Color: Color May Vary
    • Complete: Y
    • Configuration: Multi Piece
    • Contains Applications: Y
    • Crankshaft Seal Included: Y
    • Gasket Material: Molded Rubber And Metal
    • Grade Type: Regular
    • Length: 4.380
    • Meets or Exceeds OEM Specs: Y
    • Release Wave: 12/15/2017
    • Thickness: 0.640
    • UPC: 023913661120
    • Width: 4.380
    • Part Description: GMC Sierra 2500 HD Classic Timing Cover Gasket Set
    More Info
    $103.86
  • Gates Accessory Belt Drive Kit for GMC Sierra 2500 HD Classic - 90K-38158C

    Gates® Accessory Belt Drive Kit for GMC Sierra 2500 HD Classic

    PartNumber: 90K-38158C
    Product Specifications
    • 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: GMC Sierra 2500 HD Classic Accessory Belt Drive Kit
    More Info
    $89.35
  • OEM GMC Sierra 2500 HD Classic Serpentine Tensioner Diagram - 12609719
    View Related Parts

    OEM (Genuine) GMC Sierra 2500 HD Classic Serpentine Tensioner

    PartNumber: 12609719
    OEM GMC Sierra 2500 HD Classic Serpentine Tensioner - 12609719
    Product Specifications
    • 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: GMC Sierra 2500 HD Classic Serpentine Tensioner
    More Info
    $59.73 MSRP: $98.87
    You Save: $39.14 (40%)
  • OEM GMC Sierra 2500 HD Classic Serpentine Tensioner Diagram - 12609719
    View Related Parts

    OEM (Genuine) GMC Sierra 2500 HD Classic Serpentine Tensioner

    PartNumber: 12609719
    OEM GMC Sierra 2500 HD Classic Serpentine Tensioner - 12609719
    Product Specifications
    • 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: GMC Sierra 2500 HD Classic Serpentine Tensioner
    More Info
    $59.73 MSRP: $98.87
    You Save: $39.14 (40%)
  • OEM GMC Sierra 2500 HD Classic Serpentine Tensioner Diagram - 12609719
    View Related Parts

    OEM (Genuine) GMC Sierra 2500 HD Classic Serpentine Tensioner

    PartNumber: 12609719
    OEM GMC Sierra 2500 HD Classic Serpentine Tensioner - 12609719
    Product Specifications
    • 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: GMC Sierra 2500 HD Classic Serpentine Tensioner
    More Info
    $59.73 MSRP: $98.87
    You Save: $39.14 (40%)
  • Gates Drivealign OE Exact Automatic Belt Tensioner for GMC Sierra 2500 HD Classic - 38260

    Gates® Drivealign OE Exact Automatic Belt Tensioner for GMC Sierra 2500 HD Classic

    PartNumber: 38260
    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: 76 mm
    • UPC: 770075142317
    • Width: 25 mm
    • Part Description: GMC Sierra 2500 HD Classic Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $64.68
  • Dayco No Slack Automatic Belt Tensioner Assembly for GMC Sierra 2500 HD Classic - 89323

    Dayco® No Slack Automatic Belt Tensioner Assembly for GMC Sierra 2500 HD Classic

    PartNumber: 89323
    Product Specifications
    • 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: 036687471642
    • Part Description: GMC Sierra 2500 HD Classic No Slack Automatic Belt Tensioner Assembly
    More Info
    $68.68
  • Victor Reinz Timing Cover Gasket Set for GMC Sierra 2500 HD Classic - 15-10198-01

    Victor Reinz® Timing Cover Gasket Set for GMC Sierra 2500 HD Classic

    PartNumber: 15-10198-01
    Product Specifications
    • Bolt Hole Quantity: 8
    • Color: Color May Vary
    • Complete: Y
    • Configuration: Multi Piece
    • Contains Applications: Y
    • Crankshaft Seal Included: Y
    • Gasket Material: Molded Rubber And Metal
    • Grade Type: Regular
    • Length: 12.750
    • Meets or Exceeds OEM Specs: Y
    • Release Wave: 12/15/2017
    • Thickness: 0.085
    • UPC: 023913660734
    • Width: 10.625
    • Part Description: GMC Sierra 2500 HD Classic Timing Cover Gasket Set
    More Info
    $50.56
  • Four Seasons Idler Tensioner Pulley for GMC Sierra 2500 HD Classic - 45935

    Four Seasons® Idler Tensioner Pulley for GMC Sierra 2500 HD Classic

    PartNumber: 45935
    Product Specifications
    • Belt Type: Back Idler
    • Belt Width IN: 1.000
    • Belt Width MM: 28.575
    • Bore Dia. IN: .472
    • Color: Black
    • Groove Quantity: 6
    • I.D. MM: 32.0
    • Inside Diameter: 1.18
    • Material: Steel
    • Meets / Exceeds OEM: Yes
    • Mount Hole Qty: 1
    • Mounting Hardware: Not Included
    • O.D. MM: 90.488
    • Outside Diameter: 3.500
    • Pulley Type: Idler Pulley
    • Pulley Width IN: 1.130
    • Pulley Width MM: Idler / Tensioner Pulley
    • Style: Idler / Tensioner Pulley
    • UPC: 096361030800
    • Width: 30
    • Part Description: GMC Sierra 2500 HD Classic Idler Tensioner Pulley
    More Info
    $19.69
  • Gates Accessory Belt Drive Kit for GMC Sierra 2500 HD Classic - 90K-38158A

    Gates® Accessory Belt Drive Kit for GMC Sierra 2500 HD Classic

    PartNumber: 90K-38158A
    Product Specifications
    • Belt Outside Circumference: 92.90"
    • Belt Part Number: K060923
    • Belt Top Width: 20
    • Idler Pulley 1 Part Number: 36299
    • Tensioner Assembly Part Number: 38158
    • UPC: 770075755951
    • Part Description: GMC Sierra 2500 HD Classic Accessory Belt Drive Kit
    More Info
    $89.94
  • Gates Drivealign OE Exact Automatic Belt Tensioner for GMC Sierra 2500 HD Classic - 38172

    Gates® Drivealign OE Exact Automatic Belt Tensioner for GMC Sierra 2500 HD Classic

    PartNumber: 38172
    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: 2.76"
    • Pulley 1 Flanged: Yes
    • UPC: 072053675528
    • Width: 24 mm
    • Part Description: GMC Sierra 2500 HD Classic Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $57.71
  • Dayco No Slack Automatic Belt Tensioner Assembly for GMC Sierra 2500 HD Classic - 89259

    Dayco® No Slack Automatic Belt Tensioner Assembly for GMC Sierra 2500 HD Classic

    PartNumber: 89259
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 76
    • Pulley 1 Flat: N
    • Pulley 1 Number Of Grooves: 6
    • Pulley 1 Width: 30.1
    • UPC: 036687244178
    • Part Description: GMC Sierra 2500 HD Classic No Slack Automatic Belt Tensioner Assembly
    More Info
    $53.88
  • Four Seasons Drive Belt Idler Pulley for GMC Sierra 2500 HD Classic - 45975

    Four Seasons® Drive Belt Idler Pulley for GMC Sierra 2500 HD Classic

    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: GMC Sierra 2500 HD Classic Drive Belt Idler Pulley
    More Info
    $13.76
1-30 of 183 Results
< Previous
12345
Next >

Browse GMC Sierra 2500 HD Classic Timing Belts, Chains, Cams & Related Parts by Years

2007