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2011 Cadillac STS
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Timing Belts, Chains, Cams & Related Parts
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  • OEM (Genuine) 2011 Cadillac STS Alternator Belt

    PartNumber: 12621991
    OEM 2011 Cadillac STS Alternator Belt - 12621991
    Product Specifications
    • Notes: 3.6 Liter
    • Other Names: Alternator Belt, Serpentine Belt
    • Item Dimensions: 22.0 x 4.2 x 1.0 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12578002
    • Part Description: Alternator Belt
    More Info
    $58.30 MSRP: $105.53
    You Save: $47.23 (45%)
  • OEM (Genuine) 2011 Cadillac STS AC Belt

    PartNumber: 12578000
    OEM 2011 Cadillac STS AC Belt - 12578000
    Product Specifications
    • Notes: 3.6 Liter
    • Other Names: AC Belt, Serpentine Belt
    • Item Dimensions: 21.2 x 3.4 x 1.1 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: AC Belt
    More Info
    $16.14 MSRP: $38.39
    You Save: $22.25 (58%)