Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
Replacement and OEM Parts for 2008 Cadillac CTS Idler Pulley
My Vehicle Change Vehicle
2008 Cadillac CTS
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Timing Belts, Chains, Cams & Related Parts
  • Department
  • Brands
  • Prices

8 Products found

3 Q&A for Idler Pulley Repair
Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) 2008 Cadillac CTS Serpentine Tensioner

    PartNumber: 12577652
    OEM 2008 Cadillac CTS Serpentine Tensioner - 12577652
    Product Specifications
    • Notes: 3.0 Liter, 3.6 Liter, 2008-09, Serpentine Belt
    • Other Names: Belt Tensioner, Serpentine Tensioner, Tensioner
    • Item Dimensions: 6.1 x 4.2 x 4.2 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Serpentine Tensioner
    More Info
    $101.98 MSRP: $168.81
    You Save: $66.83 (40%)
  • Gates Drivealign Drive Belt Idler Pulley for 2008 Cadillac CTS - 36275

    Gates® Drivealign Drive Belt Idler Pulley for 2008 Cadillac CTS

    PartNumber: 36275
    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: 2.76"
    • Pulley 1 Flanged: No
    • UPC: 072053393828
    • Width: 29 mm
    • Part Description: Drivealign Drive Belt Idler Pulley
    More Info
    $34.17
  • Dayco No Slack Light Duty Idler Tensioner Pulley for 2008 Cadillac CTS - 89132

    Dayco® No Slack Light Duty Idler Tensioner Pulley for 2008 Cadillac CTS

    PartNumber: 89132
    Product Specifications
    • Bearing Inner Diameter 1: 10.2
    • 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: 036687558251
    • Part Description: No Slack Light Duty Idler Tensioner Pulley
    More Info
    $38.74
  • Four Seasons Drive Belt Idler Pulley for 2008 Cadillac CTS - 45919

    Four Seasons® Drive Belt Idler Pulley for 2008 Cadillac CTS

    PartNumber: 45919
    Product Specifications
    • Belt Type: Serpentine
    • Belt Width IN: 1.125
    • Belt Width MM: 28.575
    • 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: Included
    • O.D. MM: 69.850
    • Outside Diameter: 2.750
    • Pulley Type: Back Idler
    • Pulley Width IN: 1.18
    • Pulley Width MM: 28.7
    • Style: Idler / Tensioner Pulley
    • UPC: 096361459199
    • Width: 30
    • Part Description: Drive Belt Idler Pulley
    More Info
    $11.84
  • OEM (Genuine) 2008 Cadillac CTS Pulley, Belt Idler

    PartNumber: 12566893
    OEM 2008 Cadillac CTS Pulley, Belt Idler - 12566893
    Product Specifications
    • Notes: 3.0 Liter, 3.6 Liter, 2008-09
    • Other Names: Idler Pulley, Pulley
    • Item Dimensions: 3.2 x 3.1 x 3.1 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Pulley, Belt Idler
    More Info
    $28.07 MSRP: $85.72
    You Save: $57.65 (68%)
  • Gates Drivealign Drive Belt Idler Pulley for 2008 Cadillac CTS - 36101

    Gates® Drivealign Drive Belt Idler Pulley for 2008 Cadillac CTS

    PartNumber: 36101
    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: 2.76"
    • Pulley 1 Flanged: No
    • UPC: 072053209709
    • Width: 31 mm
    • Part Description: Drivealign Drive Belt Idler Pulley
    More Info
    $12.78
  • OEM (Genuine) 2008 Cadillac CTS Serpentine Tensioner

    PartNumber: 12577655
    OEM 2008 Cadillac CTS Serpentine Tensioner - 12577655
    Product Specifications
    • Notes: 3.0 Liter, 3.6 Liter, 2008-09, AC Belt
    • Other Names: Belt Tensioner, Serpentine Tensioner, Tensioner
    • Item Dimensions: 6.1 x 4.2 x 4.2 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Serpentine Tensioner
    More Info
    $88.98 MSRP: $167.90
    You Save: $78.92 (48%)
  • Dayco No Slack Upper Light Duty Idler Tensioner Pulley for 2008 Cadillac CTS - 89052

    Dayco® No Slack Upper Light Duty Idler Tensioner Pulley for 2008 Cadillac CTS

    PartNumber: 89052
    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: 27
    • UPC: 036687308795
    • Part Description: No Slack Upper Light Duty Idler Tensioner Pulley
    More Info
    $14.33

FAQ for Idler Pulley Repair

Q: What is the recommended torque for the drive belt idler pulley bolt?
A:
The recommended torque is 50 N.m (37 lb-ft).
By Bob
GM Specialist
01/11/2022
Q: How to install the Drive Belt Idler Pulley?
A:
First, you need to install the drive belt idler pulley. Then, please install the drive belt idler pulley bolt. Finally, you should install the drive belt.
By Bob
GM Specialist
01/11/2022
Q: How to remove the Drive Belt Idler Pulley?
A:
First, you need to remove the power steering and air conditioning drive belt from the power steering pump. Then, please remove the drive belt idler pulley bolt. Finally, you should remove the drive belt idler pulley.
By Bob
GM Specialist
01/11/2022