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Replacement and OEM Parts for Oldsmobile Idler Pulley
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Oldsmobile Idler Pulley

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  • OEM (Genuine) Oldsmobile Serpentine Tensioner

    PartNumber: 24430296
    OEM Oldsmobile 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: Oldsmobile Serpentine Tensioner
    More Info
    $79.80 MSRP: $132.12
    You Save: $52.32 (40%)
  • Gates Drivealign Drive Belt Idler Pulley for Oldsmobile - 38041

    Gates® Drivealign Drive Belt Idler Pulley for Oldsmobile

    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: Oldsmobile Drivealign Drive Belt Idler Pulley
    More Info
    $42.41
  • Dayco No Slack Light Duty Idler Tensioner Pulley for Oldsmobile - 89159

    Dayco® No Slack Light Duty Idler Tensioner Pulley for Oldsmobile

    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: Oldsmobile No Slack Light Duty Idler Tensioner Pulley
    More Info
    $35.26
  • Four Seasons Drive Belt Idler Pulley for Oldsmobile - 45072

    Four Seasons® Drive Belt Idler Pulley for Oldsmobile

    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: Oldsmobile Drive Belt Idler Pulley
    More Info
    $15.25
  • Gates Drivealign Drive Belt Idler Pulley for Oldsmobile - 38025

    Gates® Drivealign Drive Belt Idler Pulley for Oldsmobile

    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: Oldsmobile Drivealign Drive Belt Idler Pulley
    More Info
    $36.86
  • Dayco No Slack Lower Light Duty Idler Tensioner Pulley for Oldsmobile - 89059

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

    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: Oldsmobile No Slack Lower Light Duty Idler Tensioner Pulley
    More Info
    $24.32
  • Four Seasons Drive Belt Idler Pulley for Oldsmobile - 45025

    Four Seasons® Drive Belt Idler Pulley for Oldsmobile

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

    PartNumber: 12580773
    OEM Oldsmobile Serpentine Idler Pulley - 12580773
    Product Specifications
    • Other Names: Idler Pulley, Serpentine Idler Pulley
    • Item Dimensions: 7.1 x 4.1 x 4.1 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12557819
    • Part Description: Oldsmobile Serpentine Idler Pulley
    More Info
    $34.92 MSRP: $65.90
    You Save: $30.98 (48%)
  • Gates Drivealign Drive Belt Idler Pulley for Oldsmobile - 36193

    Gates® Drivealign Drive Belt Idler Pulley for Oldsmobile

    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: Oldsmobile Drivealign Drive Belt Idler Pulley
    More Info
    $30.01
  • Dayco No Slack Light Duty Idler Tensioner Pulley for Oldsmobile - 89145

    Dayco® No Slack Light Duty Idler Tensioner Pulley for Oldsmobile

    PartNumber: 89145
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 12
    • Belt Type: Serpentine
    • Flat: N
    • Groove Quantity: 3
    • Material: Polymer
    • Max Belt Width: 03 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 54
    • Pulley Width: 15.1
    • UPC: 036687633439
    • Part Description: Oldsmobile No Slack Light Duty Idler Tensioner Pulley
    More Info
    $30.66
  • Four Seasons Drive Belt Idler Pulley for Oldsmobile - 45056

    Four Seasons® Drive Belt Idler Pulley for Oldsmobile

    PartNumber: 45056
    Product Specifications
    • Belt Type: Serpentine
    • Belt Width IN: 0.875
    • Belt Width MM: 22.225
    • Bore Dia. IN: .67
    • Color: Black
    • Groove Quantity: 6
    • 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: 096361450561
    • Width: 30
    • Part Description: Oldsmobile Drive Belt Idler Pulley
    More Info
    $20.41
  • Gates Drivealign OE Exact Drive Belt Idler Pulley for Oldsmobile - 36347

    Gates® Drivealign OE Exact Drive Belt Idler Pulley for Oldsmobile

    PartNumber: 36347
    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 Exact
    • Outside Diameter: 2.99"
    • Pulley 1 Flanged: No
    • UPC: 770075521990
    • Width: 30.5 mm
    • Part Description: Oldsmobile Drivealign OE Exact Drive Belt Idler Pulley
    More Info
    $24.35
  • Four Seasons Drive Belt Idler Pulley for Oldsmobile - 45010

    Four Seasons® Drive Belt Idler Pulley for Oldsmobile

    PartNumber: 45010
    Product Specifications
    • Belt Type: Serpentine
    • Belt Width IN: 0.875
    • Belt Width MM: 22.225
    • Bore Dia. IN: .69
    • Color: Black
    • Groove Quantity: 6
    • I.D. MM: 17.463
    • Inside Diameter: 0.6875
    • Material: Plastic
    • Meets / Exceeds OEM: Yes
    • Mount Hole Qty: 1
    • Mounting Hardware: Not Included
    • O.D. MM: 109.538
    • Outside Diameter: 4.3125
    • Pulley Type: Idler Pulley
    • Pulley Width IN: 1
    • Pulley Width MM: Idler / Tensioner Pulley
    • Style: Idler / Tensioner Pulley
    • UPC: 096361450103
    • Width: 25.4
    • Part Description: Oldsmobile Drive Belt Idler Pulley
    More Info
    $16.50
  • OEM (Genuine) Oldsmobile Alternator Mount Bracket

    PartNumber: 24504818
    OEM Oldsmobile Alternator Mount Bracket - 24504818
    Product Specifications
    • Item Dimensions: 11.3 x 6.4 x 6.5 inches
    • Item Weight: 4.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Oldsmobile Alternator Mount Bracket
    More Info
    $115.09 MSRP: $183.58
    You Save: $68.49 (38%)
  • Gates Drivealign Drive Belt Idler Pulley for Oldsmobile - 36227

    Gates® Drivealign Drive Belt Idler Pulley for Oldsmobile

    PartNumber: 36227
    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: 072053393347
    • Width: 29 mm
    • Part Description: Oldsmobile Drivealign Drive Belt Idler Pulley
    More Info
    $25.93
  • Dayco No Slack Light Duty Idler Tensioner Pulley for Oldsmobile - 89036

    Dayco® No Slack Light Duty Idler Tensioner Pulley for Oldsmobile

    PartNumber: 89036
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 12
    • Belt Type: V-belt
    • Flat: N
    • Material: Steel
    • Max Belt Width: 1/2 In.
    • Number of Bearings: 1
    • Pulley Outside Diameter: 81
    • Pulley Width: 16.4
    • UPC: 036687192752
    • Part Description: Oldsmobile No Slack Light Duty Idler Tensioner Pulley
    More Info
    $24.34
  • Four Seasons Drive Belt Idler Pulley for Oldsmobile - 45968

    Four Seasons® Drive Belt Idler Pulley for Oldsmobile

    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: Oldsmobile Drive Belt Idler Pulley
    More Info
    $16.15
  • OEM (Genuine) Oldsmobile Serpentine Idler Pulley

    PartNumber: 10129560
    OEM Oldsmobile Serpentine Idler Pulley - 10129560
    Product Specifications
    • Other Names: Idler Pulley, Serpentine Idler Pulley
    • Item Dimensions: 3.0 x 3.1 x 3.1 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Oldsmobile Serpentine Idler Pulley
    More Info
    $43.10 MSRP: $81.34
    You Save: $38.24 (48%)
  • Gates Drivealign Drive Belt Idler Pulley for Oldsmobile - 38015

    Gates® Drivealign Drive Belt Idler Pulley for Oldsmobile

    PartNumber: 38015
    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: 76 mm
    • Pulley 1 Flanged: No
    • UPC: 072053472349
    • Width: 26 mm
    • Part Description: Oldsmobile Drivealign Drive Belt Idler Pulley
    More Info
    $25.01
  • Dayco No Slack Light Duty New Style Idler Tensioner Pulley for Oldsmobile - 89006

    Dayco® No Slack Light Duty New Style Idler Tensioner Pulley for Oldsmobile

    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: Oldsmobile No Slack Light Duty New Style Idler Tensioner Pulley
    More Info
    $18.94
  • Four Seasons Drive Belt Idler Pulley for Oldsmobile - 45012

    Four Seasons® Drive Belt Idler Pulley for Oldsmobile

    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: Oldsmobile Drive Belt Idler Pulley
    More Info
    $14.75
  • Gates Drivealign Drive Belt Idler Pulley for Oldsmobile - 38011

    Gates® Drivealign Drive Belt Idler Pulley for Oldsmobile

    PartNumber: 38011
    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: 3.23"
    • Pulley 1 Flanged: No
    • UPC: 072053545302
    • Width: 27 mm
    • Part Description: Oldsmobile Drivealign Drive Belt Idler Pulley
    More Info
    $22.58
  • Dayco No Slack Light Duty Idler Tensioner Pulley for Oldsmobile - 89146

    Dayco® No Slack Light Duty Idler Tensioner Pulley for Oldsmobile

    PartNumber: 89146
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 12
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Polymer
    • Max Belt Width: 05 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 82
    • Pulley Width: 21.7
    • UPC: 036687639660
    • Part Description: Oldsmobile No Slack Light Duty Idler Tensioner Pulley
    More Info
    $23.88
  • Four Seasons Adjustable Drive Belt Idler Pulley for Oldsmobile - 45900

    Four Seasons® Adjustable Drive Belt Idler Pulley for Oldsmobile

    PartNumber: 45900
    Product Specifications
    • Belt Type: V-Belt
    • Belt Width IN: 0.500
    • Belt Width MM: 12.700
    • Bore Dia. IN: 0.6693
    • Color: Brass
    • Groove Quantity: 1
    • 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: 88.900
    • Outside Diameter: 3.500
    • Pulley Type: Idler Pulley
    • Pulley Width IN: .75
    • Pulley Width MM: 19
    • Style: Idler / Tensioner Pulley
    • UPC: 096361459007
    • Width: 20
    • Part Description: Oldsmobile Adjustable Drive Belt Idler Pulley
    More Info
    $14.51
  • Gates Drivealign Drive Belt Idler Pulley for Oldsmobile - 38005

    Gates® Drivealign Drive Belt Idler Pulley for Oldsmobile

    PartNumber: 38005
    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: 3.23"
    • Pulley 1 Flanged: No
    • UPC: 072053415292
    • Width: 30.5 mm
    • Part Description: Oldsmobile Drivealign Drive Belt Idler Pulley
    More Info
    $21.20
  • Dayco No Slack Light Duty Fixed Idler Tensioner Pulley for Oldsmobile - 89010

    Dayco® No Slack Light Duty Fixed Idler Tensioner Pulley for Oldsmobile

    PartNumber: 89010
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 12
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Polymer
    • Max Belt Width: 06 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 82
    • Pulley Width: 26
    • UPC: 038244156986
    • Part Description: Oldsmobile No Slack Light Duty Fixed Idler Tensioner Pulley
    More Info
    $21.29
  • Four Seasons Drive Belt Idler Pulley for Oldsmobile - 45975

    Four Seasons® Drive Belt Idler Pulley for Oldsmobile

    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: Oldsmobile Drive Belt Idler Pulley
    More Info
    $13.76
  • Dayco No Slack Light Duty Idler Tensioner Pulley for Oldsmobile - 89037

    Dayco® No Slack Light Duty Idler Tensioner Pulley for Oldsmobile

    PartNumber: 89037
    Product Specifications
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 12
    • Belt Type: Serpentine
    • Flat: Y
    • Material: Polymer
    • Max Belt Width: 05 Rib
    • Number of Bearings: 1
    • Pulley Outside Diameter: 76
    • Pulley Width: 22
    • UPC: 036687192837
    • Part Description: Oldsmobile No Slack Light Duty Idler Tensioner Pulley
    More Info
    $17.45
  • Four Seasons Back Drive Belt Idler Pulley for Oldsmobile - 45979

    Four Seasons® Back Drive Belt Idler Pulley for Oldsmobile

    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: Oldsmobile Back Drive Belt Idler Pulley
    More Info
    $13.63
  • OEM (Genuine) Oldsmobile Serpentine Tensioner

    PartNumber: 12563084
    OEM Oldsmobile Serpentine Tensioner - 12563084
    Product Specifications
    • Item Dimensions: 11.8 x 5.0 x 4.9 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 24507666, 24504828, 24507685
    • Part Description: Oldsmobile Serpentine Tensioner
    More Info
    $88.64 MSRP: $146.73
    You Save: $58.09 (40%)
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About Oldsmobile Idler Pulley

Since the 19th century, Oldsmobile has been a part of American life. It offers a wide choice of innovative parts for customers. Oldsmobile appeals to drivers with high-quality idler pulley parts. The idler pulley parts are key because it is in charge of routing the timing belt so that it remains in the correct position. There can be one or more idler pulley parts along the timing chain and each can come in different sizes.
Oldsmobile provides a large selection of high-performance parts. But after a long time, the worn Idler Pulley might cause huge problems. An idler pulley provides tension and helps guide the belt to the proper routing. An idler pulley should be replaced every 50,000 to 100,000 miles. Get good Oldsmobile services and upkeep here with performance parts. Prompt Oldsmobile online services are given to you with great hospitality.