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Replacement and OEM Parts for 2009 Cadillac DTS Idler Pulley
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2009 Cadillac DTS
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9 Products found

2 Q&A for Idler Pulley Repair
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  • OEM (Genuine) 2009 Cadillac DTS Serpentine Idler Pulley

    PartNumber: 12557554
    OEM 2009 Cadillac DTS Serpentine Idler Pulley - 12557554
    Product Specifications
    • Other Names: Idler Pulley, Serpentine Idler Pulley
    • Item Dimensions: 5.0 x 4.5 x 4.5 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2009 Cadillac DTS Serpentine Idler Pulley
    More Info
    Vehicle Fitment
    • 2009 Cadillac DTS | Base, Livery, Luxury, Platinum, Premium | 8 Cyl 4.6 L GAS
    $59.27 MSRP: $111.84
    You Save: $52.57 (48%)
  • Gates Drivealign Drive Belt Idler Pulley for 2009 Cadillac DTS - 38041

    Gates® Drivealign Drive Belt Idler Pulley for 2009 Cadillac DTS

    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: 2009 Cadillac DTS Drivealign Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2009 Cadillac DTS | All Trims | 8 Cyl 4.6L
    $41.13
  • Dayco No Slack Light Duty Idler Tensioner Pulley for 2009 Cadillac DTS - 89159

    Dayco® No Slack Light Duty Idler Tensioner Pulley for 2009 Cadillac DTS

    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: 2009 Cadillac DTS No Slack Light Duty Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2009 Cadillac DTS | All Trims | All Engines
    $35.26
  • Four Seasons Drive Belt Idler Pulley for 2009 Cadillac DTS - 45072

    Four Seasons® Drive Belt Idler Pulley for 2009 Cadillac DTS

    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: 2009 Cadillac DTS Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2009 Cadillac DTS | All Trims | All Engines
    $15.25
  • Gates Drivealign Drive Belt Idler Pulley for 2009 Cadillac DTS - 38025

    Gates® Drivealign Drive Belt Idler Pulley for 2009 Cadillac DTS

    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: 2009 Cadillac DTS Drivealign Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2009 Cadillac DTS | All Trims | 8 Cyl 4.6L
    $35.75
  • Dayco No Slack Light Duty Idler Tensioner Pulley for 2009 Cadillac DTS - 89145

    Dayco® No Slack Light Duty Idler Tensioner Pulley for 2009 Cadillac DTS

    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: 2009 Cadillac DTS No Slack Light Duty Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2009 Cadillac DTS | All Trims | All Engines
    $30.66
  • Four Seasons Back Drive Belt Idler Pulley for 2009 Cadillac DTS - 45979

    Four Seasons® Back Drive Belt Idler Pulley for 2009 Cadillac DTS

    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: 2009 Cadillac DTS Back Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2009 Cadillac DTS | All Trims | All Engines
    $13.63
  • Gates Drivealign Drive Belt Idler Pulley for 2009 Cadillac DTS - 38006

    Gates® Drivealign Drive Belt Idler Pulley for 2009 Cadillac DTS

    PartNumber: 38006
    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: 072053415308
    • Width: 30.5 mm
    • Part Description: 2009 Cadillac DTS Drivealign Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2009 Cadillac DTS | All Trims | 8 Cyl 4.6L
    $18.74
  • Dayco No Slack Light Duty Idler Tensioner Pulley for 2009 Cadillac DTS - 89007

    Dayco® No Slack Light Duty Idler Tensioner Pulley for 2009 Cadillac DTS

    PartNumber: 89007
    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: 76
    • Pulley Width: 31
    • UPC: 038244156955
    • Part Description: 2009 Cadillac DTS No Slack Light Duty Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2009 Cadillac DTS | All Trims | All Engines
    $16.27

FAQ for Idler Pulley Repair

Q: What is the removal procedure for the drive belt idler pulley?
A:
The procedure is to remove the drive belt tensioner and loosen the drive belt bolt, and the drive belt idler pulley.
By Bob
GM Specialist
01/11/2022
Q: What is the proper way to install the drive belt idler pulley?
A:
The proper way is to tighten the drive belt idler pulley bolt and the drive belt tensioner.
By Bob
GM Specialist
01/11/2022