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Replacement and OEM Parts for GMC Sierra 2500 HD Belt Tensioner
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GMC Sierra 2500 HD Belt Tensioner

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  • OEM (Genuine) GMC Sierra 2500 HD Serpentine Tensioner

    PartNumber: 12609719
    OEM GMC Sierra 2500 HD 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 Serpentine Tensioner
    More Info
    $61.34 MSRP: $101.54
    You Save: $40.20 (40%)
  • Gates Drivealign OE Exact Automatic Belt Tensioner for GMC Sierra 2500 HD - 39159

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

    PartNumber: 39159
    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: 70 mm
    • Pulley 1 Flanged: Yes
    • UPC: 770075608325
    • Width: 25.5 mm
    • Part Description: GMC Sierra 2500 HD Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $66.48
  • OEM (Genuine) GMC Sierra 2500 HD Serpentine Tensioner

    PartNumber: 12580196
    OEM GMC Sierra 2500 HD Serpentine Tensioner - 12580196
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner, Tensioner
    • Item Dimensions: 4.8 x 3.1 x 2.7 inches
    • Item Weight: 1.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12562065, 12565372
    • Part Description: GMC Sierra 2500 HD Serpentine Tensioner
    More Info
    $55.60 MSRP: $104.91
    You Save: $49.31 (48%)
  • Dayco No Slack Automatic Belt Tensioner Assembly for GMC Sierra 2500 HD - 89323

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

    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 No Slack Automatic Belt Tensioner Assembly
    More Info
    $68.68
  • Gates Drivealign OE Improved Automatic Belt Tensioner for GMC Sierra 2500 HD - 39242

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

    PartNumber: 39242
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: V-Ribbed Grooved
    • Material: Steel
    • Number of Grooves: 6
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Improved
    • Outside Diameter: 2.76"
    • Pulley 1 Flanged: Yes
    • UPC: 770075631521
    • Width: 23.5 mm
    • Part Description: GMC Sierra 2500 HD Drivealign OE Improved Automatic Belt Tensioner
    More Info
    $78.80
  • OEM (Genuine) GMC Sierra 2500 HD Tensioner Kit-Timing Chain

    PartNumber: 12630107
    OEM GMC Sierra 2500 HD Tensioner Kit-Timing Chain - 12630107
    Product Specifications
    • Other Names: Chain Tensioner, Tensioner, Timing Tensioner
    • Item Dimensions: 6.1 x 5.2 x 3.1 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 2500 HD Tensioner Kit-Timing Chain
    More Info
    $39.73 MSRP: $59.28
    You Save: $19.55 (33%)
  • Dayco No Slack Automatic Belt Tensioner Assembly for GMC Sierra 2500 HD - 89259

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

    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 No Slack Automatic Belt Tensioner Assembly
    More Info
    $53.88
  • Gates Drivealign OE Exact Automatic Belt Tensioner for GMC Sierra 2500 HD - 38260

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

    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 Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $64.68
  • Dayco No Slack Automatic Belt Tensioner Assembly for GMC Sierra 2500 HD - 89397

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

    PartNumber: 89397
    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: 036687725486
    • Part Description: GMC Sierra 2500 HD No Slack Automatic Belt Tensioner Assembly
    More Info
    $48.99
  • OEM (Genuine) GMC Sierra 2500 HD Serpentine Tensioner

    PartNumber: 98094201
    OEM GMC Sierra 2500 HD Serpentine Tensioner - 98094201
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 7.0 x 6.3 x 4.3 inches
    • Item Weight: 1.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 97288625, 97329062
    • Part Description: GMC Sierra 2500 HD Serpentine Tensioner
    More Info
    $86.04 MSRP: $142.41
    You Save: $56.37 (40%)
  • Gates Drivealign OE Exact Automatic Belt Tensioner for GMC Sierra 2500 HD - 38172

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

    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 Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $57.71
  • Dayco No Slack Automatic Belt Tensioner Assembly for GMC Sierra 2500 HD - 89268

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

    PartNumber: 89268
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 70
    • Pulley 1 Flat: Y
    • Pulley 1 Width: 27
    • UPC: 036687291455
    • Part Description: GMC Sierra 2500 HD No Slack Automatic Belt Tensioner Assembly
    More Info
    $41.57
  • OEM (Genuine) GMC Sierra 2500 HD Serpentine Tensioner

    PartNumber: 97300857
    OEM GMC Sierra 2500 HD Serpentine Tensioner - 97300857
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 8.4 x 8.3 x 3.8 inches
    • Item Weight: 2.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 97222021
    • Part Description: GMC Sierra 2500 HD Serpentine Tensioner
    More Info
    $124.14 MSRP: $197.07
    You Save: $72.93 (38%)
  • Gates Drivealign OE Exact Automatic Belt Tensioner for GMC Sierra 2500 HD - 39083

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

    PartNumber: 39083
    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"
    • Pulley 1 Flanged: Yes
    • UPC: 770075414506
    • Width: 28 mm
    • Part Description: GMC Sierra 2500 HD Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $56.31
  • OEM (Genuine) GMC Sierra 2500 HD Serpentine Tensioner

    PartNumber: 12580828
    OEM GMC Sierra 2500 HD Serpentine Tensioner - 12580828
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 7.1 x 6.2 x 4.1 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12554701
    • Part Description: GMC Sierra 2500 HD Serpentine Tensioner
    More Info
    $55.78 MSRP: $92.34
    You Save: $36.56 (40%)
  • Dayco No Slack Automatic Belt Tensioner Assembly for GMC Sierra 2500 HD - 89324

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

    PartNumber: 89324
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Counter Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 63
    • Pulley 1 Flat: Y
    • Pulley 1 Width: 18
    • UPC: 036687471703
    • Part Description: GMC Sierra 2500 HD No Slack Automatic Belt Tensioner Assembly
    More Info
    $35.56
  • Gates Drivealign OE Exact Automatic Belt Tensioner for GMC Sierra 2500 HD - 38136

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

    PartNumber: 38136
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 2.99"
    • Pulley 1 Flanged: No
    • UPC: 072053523430
    • Width: 30.5 mm
    • Part Description: GMC Sierra 2500 HD Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $40.57
  • OEM (Genuine) GMC Sierra 2500 HD Belt Tensioner

    PartNumber: 12581177
    OEM GMC Sierra 2500 HD Belt Tensioner - 12581177
    Product Specifications
    • Other Names: Belt Tensioner
    • Item Dimensions: 7.4 x 4.2 x 4.2 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12554700
    • Part Description: GMC Sierra 2500 HD Belt Tensioner
    More Info
    $63.58 MSRP: $119.98
    You Save: $56.40 (48%)
  • Dayco No Slack Automatic Belt Tensioner Assembly for GMC Sierra 2500 HD - 89253

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

    PartNumber: 89253
    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: 036687244154
    • Part Description: GMC Sierra 2500 HD No Slack Automatic Belt Tensioner Assembly
    More Info
    $35.50
  • Gates Drivealign OE Exact Automatic Belt Tensioner for GMC Sierra 2500 HD - 38259

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

    PartNumber: 38259
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 63 mm
    • Pulley 1 Flanged: No
    • UPC: 770075168935
    • Width: 18 mm
    • Part Description: GMC Sierra 2500 HD Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $40.79
  • OEM (Genuine) GMC Sierra 2500 HD Serpentine Tensioner

    PartNumber: 12654271
    OEM GMC Sierra 2500 HD Serpentine Tensioner - 12654271
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 8.2 x 6.1 x 5.1 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 2500 HD Serpentine Tensioner
    More Info
    $43.20 MSRP: $71.52
    You Save: $28.32 (40%)
  • Dayco No Slack Automatic Belt Tensioner Assembly for GMC Sierra 2500 HD - 89258

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

    PartNumber: 89258
    Product Specifications
    • 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: GMC Sierra 2500 HD No Slack Automatic Belt Tensioner Assembly
    More Info
    $32.35
  • Gates Drivealign OE Exact Automatic Belt Tensioner for GMC Sierra 2500 HD - 38158

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

    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: GMC Sierra 2500 HD Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $36.87
  • OEM (Genuine) GMC Sierra 2500 HD Serpentine Tensioner

    PartNumber: 12673657
    OEM GMC Sierra 2500 HD Serpentine Tensioner - 12673657
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 8.2 x 5.2 x 5.1 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 2500 HD Serpentine Tensioner
    More Info
    $44.30 MSRP: $73.30
    You Save: $29.00 (40%)
  • Gates Drivealign OE Exact Automatic Belt Tensioner for GMC Sierra 2500 HD - 38159

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

    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: GMC Sierra 2500 HD Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $34.31
  • OEM (Genuine) GMC Sierra 2500 HD Serpentine Tensioner

    PartNumber: 12700588
    OEM GMC Sierra 2500 HD Serpentine Tensioner - 12700588
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 6.8 x 4.3 x 4.2 inches
    • Item Weight: 2.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12735533
    • Part Description: GMC Sierra 2500 HD Serpentine Tensioner
    More Info
    $39.58 MSRP: $65.52
    You Save: $25.94 (40%)