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Replacement and OEM Parts for Buick Idler Pulley
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Buick Idler Pulley

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  • OEM (Genuine) Buick Serpentine Idler Pulley

    PartNumber: 12669569
    OEM Buick 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: Buick Serpentine Idler Pulley
    More Info
    $52.78 MSRP: $99.60
    You Save: $46.82 (48%)
  • Gates Drivealign Drive Belt Idler Pulley for Buick - 36303

    Gates® Drivealign Drive Belt Idler Pulley for Buick

    PartNumber: 36303
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: V-Ribbed Grooved
    • Material: Steel
    • Number of Grooves: 6
    • Number Of Pulleys: 1
    • Outside Diameter: 2.76"
    • Pulley 1 Flanged: Yes
    • UPC: 072053394115
    • Width: 30.5 mm
    • Part Description: Buick Drivealign Drive Belt Idler Pulley
    More Info
    $66.46
  • Dayco No Slack Light Duty Idler Tensioner Pulley for Buick - 89516

    Dayco® No Slack Light Duty Idler Tensioner Pulley for Buick

    PartNumber: 89516
    Product Specifications
    • Bearing Inner Diameter 1: 10.2
    • Bearing Inner Diameter 2: 10.2
    • Bearing Width: 25.5
    • Belt Type: Serpentine
    • Flat: N
    • Groove Quantity: 6
    • Material: Polymer
    • Max Belt Width: 06 Rib
    • Number of Bearings: 2
    • Pulley Outside Diameter: 70
    • Pulley Width: 30
    • UPC: 036687808455
    • Part Description: Buick No Slack Light Duty Idler Tensioner Pulley
    More Info
    $55.41
  • Four Seasons Drive Belt Idler Pulley for Buick - 45083

    Four Seasons® Drive Belt Idler Pulley for Buick

    PartNumber: 45083
    Product Specifications
    • Belt Type: Serpentine
    • Belt Width IN: 1.000
    • Belt Width MM: 25.4
    • Bore Dia. IN: .394
    • Color: Black
    • Groove Quantity: Smooth
    • I.D. MM: 10.000
    • Inside Diameter: 0.390625
    • Material: Steel
    • Meets / Exceeds OEM: Yes
    • Mount Hole Qty: 1
    • Mounting Hardware: Included
    • O.D. MM: 70.0
    • Outside Diameter: 2.750
    • Pulley Type: Idler Pulley
    • Pulley Width IN: 1.062
    • Pulley Width MM: Idler / Tensioner Pulley
    • Style: Idler / Tensioner Pulley
    • UPC: 096361085701
    • Width: 25.4
    • Part Description: Buick Drive Belt Idler Pulley
    More Info
    $28.95
  • OEM (Genuine) Buick Serpentine Tensioner

    PartNumber: 12580196
    OEM Buick 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: Buick Serpentine Tensioner
    More Info
    $54.13 MSRP: $102.15
    You Save: $48.02 (48%)
  • Gates Drivealign Lower Drive Belt Idler Pulley for Buick - 36201

    Gates® Drivealign Lower Drive Belt Idler Pulley for Buick

    PartNumber: 36201
    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: 2.99"
    • Pulley 1 Flanged: No
    • UPC: 072053393088
    • Width: 38 mm
    • Part Description: Buick Drivealign Lower Drive Belt Idler Pulley
    More Info
    $59.43
  • Dayco No Slack Lower Light Duty Idler Tensioner Pulley for Buick - 89160

    Dayco® No Slack Lower Light Duty Idler Tensioner Pulley for Buick

    PartNumber: 89160
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 17
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Steel
    • Max Belt Width: 06 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 76
    • Pulley Width: 38
    • UPC: 036687646057
    • Part Description: Buick No Slack Lower Light Duty Idler Tensioner Pulley
    More Info
    $47.17
  • Four Seasons Drive Belt Idler Pulley for Buick - 45932

    Four Seasons® Drive Belt Idler Pulley for Buick

    PartNumber: 45932
    Product Specifications
    • Belt Type: Back Idler
    • Belt Width IN: 1.0625
    • Belt Width MM: 26.988
    • Bore Dia. IN: .399
    • Color: Black
    • Groove Quantity: Smooth
    • I.D. MM: 10.1
    • Inside Diameter: 0.390625
    • Material: Steel
    • Meets / Exceeds OEM: Yes
    • Mount Hole Qty: 1
    • Mounting Hardware: Not Included
    • O.D. MM: 76.00
    • Outside Diameter: 3.000
    • Pulley Type: Idler Pulley
    • Pulley Width IN: 1.130
    • Pulley Width MM: Idler / Tensioner Pulley
    • Style: Idler / Tensioner Pulley
    • UPC: 096361459328
    • Width: 28.6
    • Part Description: Buick Drive Belt Idler Pulley
    More Info
    $27.32
  • OEM (Genuine) Buick Serpentine Tensioner

    PartNumber: 12663047
    OEM Buick Serpentine Tensioner - 12663047
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner, Tensioner
    • Item Dimensions: 10.9 x 6.4 x 4.3 inches
    • Item Weight: 5.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12651405, 12655192, 12650244, 12628030, 12618349, 12633829
    • Part Description: Buick Serpentine Tensioner
    More Info
    $224.99 MSRP: $372.37
    You Save: $147.38 (40%)
  • Gates Drivealign Drive Belt Idler Pulley for Buick - 36348

    Gates® Drivealign Drive Belt Idler Pulley for Buick

    PartNumber: 36348
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number of Grooves: 0
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Performance
    • Outside Diameter: 2.99"
    • Pulley 1 Flanged: No
    • UPC: 770075525950
    • Width: 28 mm
    • Part Description: Buick Drivealign Drive Belt Idler Pulley
    More Info
    $49.28
  • Dayco No Slack Light Duty Idler Tensioner Pulley for Buick - 89507

    Dayco® No Slack Light Duty Idler Tensioner Pulley for Buick

    PartNumber: 89507
    Product Specifications
    • Bearing Inner Diameter 1: 10.15
    • Bearing Width: 24
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Steel
    • Max Belt Width: 07 Rib
    • Number of Bearings: 2
    • Pulley Outside Diameter: 76
    • Pulley Width: 28
    • UPC: 036687770912
    • Part Description: Buick No Slack Light Duty Idler Tensioner Pulley
    More Info
    $44.20
  • Four Seasons Drive Belt Idler Pulley for Buick - 45072

    Four Seasons® Drive Belt Idler Pulley for Buick

    PartNumber: 45072
    Product Specifications
    • Belt Type: Serpentine
    • Belt Width IN: 1.3125
    • Belt Width MM: 7.9375
    • Bore Dia. IN: 0.668
    • Color: Black
    • Groove Quantity: Smooth
    • I.D. MM: 17.463
    • Inside Diameter: 0.6875
    • Material: Steel
    • Meets / Exceeds OEM: Yes
    • Mount Hole Qty: 1
    • Mounting Hardware: Not Included
    • O.D. MM: 76.200
    • Outside Diameter: 3.000
    • Pulley Type: Back Idler
    • Pulley Width IN: 1.18
    • Pulley Width MM: 30
    • Style: Idler / Tensioner Pulley
    • UPC: 096361450721
    • Width: 30
    • Part Description: Buick Drive Belt Idler Pulley
    More Info
    $15.25
  • OEM (Genuine) Buick Serpentine Tensioner

    PartNumber: 12605175
    OEM Buick Serpentine Tensioner - 12605175
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 8.9 x 5.0 x 3.0 inches
    • Item Weight: 1.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick Serpentine Tensioner
    More Info
    $39.49 MSRP: $65.40
    You Save: $25.91 (40%)
  • Gates Drivealign Drive Belt Idler Pulley for Buick - 36110

    Gates® Drivealign Drive Belt Idler Pulley for Buick

    PartNumber: 36110
    Product Specifications
    • Bearing Bore Inside Diameter 1: 10 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number of Grooves: 0
    • Number Of Pulleys: 1
    • Outside Diameter: 70 mm
    • Pulley 1 Flanged: No
    • UPC: 072053204797
    • Width: 25.5 mm
    • Part Description: Buick Drivealign Drive Belt Idler Pulley
    More Info
    $36.27
  • Dayco No Slack Light Duty Idler Tensioner Pulley for Buick - 89131

    Dayco® No Slack Light Duty Idler Tensioner Pulley for Buick

    PartNumber: 89131
    Product Specifications
    • Bearing Inner Diameter 1: 10.3
    • Bearing Width: 26
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Steel
    • Max Belt Width: 06 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 70
    • Pulley Width: 25.5
    • UPC: 036687558213
    • Part Description: Buick No Slack Light Duty Idler Tensioner Pulley
    More Info
    $40.07
  • Four Seasons Drive Belt Idler Pulley for Buick - 45025

    Four Seasons® Drive Belt Idler Pulley for Buick

    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: Buick Drive Belt Idler Pulley
    More Info
    $23.91
  • OEM (Genuine) Buick Serpentine Tensioner

    PartNumber: 24430296
    OEM Buick Serpentine Tensioner - 24430296
    Product Specifications
    • Item Dimensions: 8.3 x 3.1 x 3.2 inches
    • Item Weight: 1.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19431998
    • Part Description: Buick Serpentine Tensioner
    More Info
    $79.80 MSRP: $132.12
    You Save: $52.32 (40%)
  • Gates Drivealign Drive Belt Idler Pulley for Buick - 36442

    Gates® Drivealign Drive Belt Idler Pulley for Buick

    PartNumber: 36442
    Product Specifications
    • Bearing Bore Inside Diameter 1: 16 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number of Grooves: 0
    • Number Of Pulleys: 1
    • Outside Diameter: 2.76"
    • Pulley 1 Flanged: No
    • UPC: 072053073256
    • Width: 31 mm
    • Part Description: Buick Drivealign Drive Belt Idler Pulley
    More Info
    $41.40
  • Dayco No Slack Light Duty Idler Tensioner Pulley for Buick - 89171

    Dayco® No Slack Light Duty Idler Tensioner Pulley for Buick

    PartNumber: 89171
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 14
    • Belt Type: Serpentine
    • Flat: N
    • Groove Quantity: 6
    • Material: Steel
    • Max Belt Width: 06 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 77
    • Pulley Width: 30
    • UPC: 036687672193
    • Part Description: Buick No Slack Light Duty Idler Tensioner Pulley
    More Info
    $36.56
  • Four Seasons Drive Belt Idler Pulley for Buick - 45968

    Four Seasons® Drive Belt Idler Pulley for Buick

    PartNumber: 45968
    Product Specifications
    • Belt Type: Serpentine
    • 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: 101.600
    • Outside Diameter: 4.000
    • Pulley Type: Back Idler
    • Pulley Width IN: 1
    • Pulley Width MM: 25.4
    • Style: Idler / Tensioner Pulley
    • UPC: 096361459687
    • Width: 25.4
    • Part Description: Buick Drive Belt Idler Pulley
    More Info
    $16.15
  • Gates Drivealign Drive Belt Idler Pulley for Buick - 38041

    Gates® Drivealign Drive Belt Idler Pulley for Buick

    PartNumber: 38041
    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: 76 mm
    • Pulley 1 Flanged: No
    • UPC: 072053695618
    • Width: 30.5 mm
    • Part Description: Buick Drivealign Drive Belt Idler Pulley
    More Info
    $42.41
  • Dayco No Slack Light Duty Idler Tensioner Pulley for Buick - 89159

    Dayco® No Slack Light Duty Idler Tensioner Pulley for Buick

    PartNumber: 89159
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 17
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Steel
    • Max Belt Width: 06 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 76
    • Pulley Width: 31
    • UPC: 036687645340
    • Part Description: Buick No Slack Light Duty Idler Tensioner Pulley
    More Info
    $35.26
  • Four Seasons Drive Belt Idler Pulley for Buick - 45012

    Four Seasons® Drive Belt Idler Pulley for Buick

    PartNumber: 45012
    Product Specifications
    • Belt Type: Serpentine
    • Belt Width IN: 1.0625
    • Belt Width MM: 7.9375
    • Bore Dia. IN: 0.668
    • Groove Quantity: Smooth
    • I.D. MM: 17
    • Inside Diameter: 1.06
    • Material: Steel
    • Meets / Exceeds OEM: Yes
    • Mount Hole Qty: 1
    • Mounting Hardware: Not Included
    • O.D. MM: 82.550
    • Outside Diameter: 3.250
    • Pulley Type: Back Idler
    • Pulley Width IN: 1.062
    • Pulley Width MM: 26.9
    • Style: Idler / Tensioner Pulley
    • UPC: 096361450127
    • Width: 26.9
    • Part Description: Buick Drive Belt Idler Pulley
    More Info
    $14.75
  • OEM (Genuine) Buick Serpentine Tensioner

    PartNumber: 12647765
    OEM Buick Serpentine Tensioner - 12647765
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner, Tensioner
    • Item Dimensions: 6.1 x 5.2 x 3.2 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick Serpentine Tensioner
    More Info
    $34.86 MSRP: $57.71
    You Save: $22.85 (40%)
  • Gates Drivealign Drive Belt Idler Pulley for Buick - 38025

    Gates® Drivealign Drive Belt Idler Pulley for Buick

    PartNumber: 38025
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: V-Ribbed
    • Material: Thermoplastic
    • Number of Grooves: 3
    • Number Of Pulleys: 1
    • Outside Diameter: 2.05"
    • Pulley 1 Flanged: Yes
    • UPC: 072053559682
    • Width: 15 mm
    • Part Description: Buick Drivealign Drive Belt Idler Pulley
    More Info
    $36.86
  • Dayco No Slack Lower Light Duty Idler Tensioner Pulley for Buick - 89059

    Dayco® No Slack Lower Light Duty Idler Tensioner Pulley for Buick

    PartNumber: 89059
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 14
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Steel
    • Max Belt Width: 06 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 76
    • Pulley Width: 28
    • UPC: 036687383129
    • Part Description: Buick No Slack Lower Light Duty Idler Tensioner Pulley
    More Info
    $24.32
  • Four Seasons Drive Belt Idler Pulley for Buick - 45975

    Four Seasons® Drive Belt Idler Pulley for Buick

    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: Buick Drive Belt Idler Pulley
    More Info
    $13.76
  • Gates Drivealign Drive Belt Idler Pulley for Buick - 36193

    Gates® Drivealign Drive Belt Idler Pulley for Buick

    PartNumber: 36193
    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: 3.23"
    • Pulley 1 Flanged: No
    • UPC: 072053393002
    • Width: 22 mm
    • Part Description: Buick Drivealign Drive Belt Idler Pulley
    More Info
    $30.01
  • Dayco No Slack Light Duty Idler Tensioner Pulley for Buick - 89572

    Dayco® No Slack Light Duty Idler Tensioner Pulley for Buick

    PartNumber: 89572
    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: 30
    • UPC: 036687917348
    • Part Description: Buick No Slack Light Duty Idler Tensioner Pulley
    More Info
    $32.69
  • Four Seasons Back Drive Belt Idler Pulley for Buick - 45979

    Four Seasons® Back Drive Belt Idler Pulley for Buick

    PartNumber: 45979
    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: 0.6875
    • Material: Steel
    • Meets / Exceeds OEM: Yes
    • Mount Hole Qty: 1
    • Mounting Hardware: Not Included
    • O.D. MM: 76.200
    • Outside Diameter: 3.000
    • Pulley Type: Idler Pulley
    • Pulley Width IN: 1.18
    • Pulley Width MM: Idler / Tensioner Pulley
    • Style: Idler / Tensioner Pulley
    • UPC: 096361459793
    • Width: 30
    • Part Description: Buick Back Drive Belt Idler Pulley
    More Info
    $13.63
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About Buick Idler Pulley

Buick models are sold in the U.S. and the rest of the world. The carmaker has consistently pushed the envelope of automotive design. Buick provides affordable and reliable parts like the idler pulley for car buyers. A faulty idler pulley can cause overheating, stalling, and a decline in tension.
Buick stands out for great parts. Despite that, consumers need a new idler pulley if these parts are worn or damaged. An idler pulley provides tension and helps guide the belt to the proper routing. The removal process for the Buick idler pulley is as follows. Open the hood first, and next remove the engine drive belt. Then locate the idler pulley, remove the mounting bolt for the idler pulley, and remove the pulley from the engine. We offer you a variety of auto parts online at a reasonable price. Your car will remain classic and prevail for its useful parts.