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Replacement and OEM Parts for Cadillac CT4 Idler Pulley
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Cadillac CT4 Idler Pulley

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  • OEM Cadillac CT4 Serpentine Tensioner Diagram - 55509808
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    OEM (Genuine) Cadillac CT4 Serpentine Tensioner

    PartNumber: 55509808
    OEM Cadillac CT4 Serpentine Tensioner - 55509808
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 6.1 x 4.2 x 4.1 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 55516895
    • Part Description: Cadillac CT4 Serpentine Tensioner
    More Info
    $19.19 MSRP: $31.73
    You Save: $12.54 (40%)
  • OEM Cadillac CT4 Serpentine Idler Pulley Diagram - 12666592
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    OEM (Genuine) Cadillac CT4 Serpentine Idler Pulley

    PartNumber: 12666592
    OEM Cadillac CT4 Serpentine Idler Pulley - 12666592
    Product Specifications
    • Other Names: Idler Pulley, Serpentine Idler Pulley
    • Item Dimensions: 4.9 x 4.5 x 4.5 inches
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Cadillac CT4 Serpentine Idler Pulley
    More Info
    $37.42 MSRP: $68.06
    You Save: $30.64 (46%)
  • OEM Cadillac CT4 Serpentine Idler Pulley Diagram - 12666591
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    OEM (Genuine) Cadillac CT4 Serpentine Idler Pulley

    PartNumber: 12666591
    OEM Cadillac CT4 Serpentine Idler Pulley - 12666591
    Product Specifications
    • Other Names: Idler Pulley, Serpentine Idler Pulley
    • Item Dimensions: 5.0 x 4.5 x 4.3 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Cadillac CT4 Serpentine Idler Pulley
    More Info
    $25.28 MSRP: $47.71
    You Save: $22.43 (48%)

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