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Replacement and OEM Parts for 2008 Cadillac DTS Idler Pulley
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2008 Cadillac DTS
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9 Products found

2 Q&A for Idler Pulley Repair
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  • OEM (Genuine) 2008 Cadillac DTS Serpentine Idler Pulley

    PartNumber: 12557554
    OEM 2008 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: 2008 Cadillac DTS Serpentine Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 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 2008 Cadillac DTS - 38041

    Gates® Drivealign Drive Belt Idler Pulley for 2008 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: 2008 Cadillac DTS Drivealign Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Cadillac DTS | All Trims | 8 Cyl 4.6L
    $41.13
  • Dayco No Slack Light Duty Idler Tensioner Pulley for 2008 Cadillac DTS - 89159

    Dayco® No Slack Light Duty Idler Tensioner Pulley for 2008 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: 2008 Cadillac DTS No Slack Light Duty Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2008 Cadillac DTS | All Trims | All Engines
    $35.26
  • Four Seasons Drive Belt Idler Pulley for 2008 Cadillac DTS - 45072

    Four Seasons® Drive Belt Idler Pulley for 2008 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: 2008 Cadillac DTS Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Cadillac DTS | All Trims | All Engines
    $15.25
  • Gates Drivealign Drive Belt Idler Pulley for 2008 Cadillac DTS - 38025

    Gates® Drivealign Drive Belt Idler Pulley for 2008 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: 2008 Cadillac DTS Drivealign Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Cadillac DTS | All Trims | 8 Cyl 4.6L
    $35.75
  • Dayco No Slack Light Duty Idler Tensioner Pulley for 2008 Cadillac DTS - 89145

    Dayco® No Slack Light Duty Idler Tensioner Pulley for 2008 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: 2008 Cadillac DTS No Slack Light Duty Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2008 Cadillac DTS | All Trims | All Engines
    $30.66
  • Four Seasons Back Drive Belt Idler Pulley for 2008 Cadillac DTS - 45979

    Four Seasons® Back Drive Belt Idler Pulley for 2008 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: 2008 Cadillac DTS Back Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Cadillac DTS | All Trims | All Engines
    $13.63
  • Gates Drivealign Drive Belt Idler Pulley for 2008 Cadillac DTS - 38006

    Gates® Drivealign Drive Belt Idler Pulley for 2008 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: 2008 Cadillac DTS Drivealign Drive Belt Idler Pulley
    More Info
    Vehicle Fitment
    • 2008 Cadillac DTS | All Trims | 8 Cyl 4.6L
    $18.74
  • Dayco No Slack Light Duty Idler Tensioner Pulley for 2008 Cadillac DTS - 89007

    Dayco® No Slack Light Duty Idler Tensioner Pulley for 2008 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: 2008 Cadillac DTS No Slack Light Duty Idler Tensioner Pulley
    More Info
    Vehicle Fitment
    • 2008 Cadillac DTS | All Trims | All Engines
    $16.27

FAQ for Idler Pulley Repair

Q: How to install the Drive Belt Idler Pulley?
A:
You may need to position the drive belt idler pulley to the engine and finger starter the pulley bolt, tighten the drive belt idler pulley bolt to 50 N.m (37 lb-ft), then install the drive belt tensioner.
By Bob
GM Specialist
01/11/2022
Q: How to remove the Drive Belt Idler Pulley?
A:
You will need to remove the drive belt tensioner and loosen and remove the drive belt idler pulley bolt.
By Bob
GM Specialist
01/11/2022