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Cadillac 12604933 Tube Assembly, Pcv (Fresh Air)

2008 Cadillac CTS

Customer Questions & Expert Answers (3)
12604933 GM Tube Assembly, Pcv (Fresh Air) Product Photo 1 of 1
  • Part Description
    TUBE, Engine Crankcase Ventilation
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Cadillac
    Manufacturer Part Number12604933
    Part DescriptionTUBE, Engine Crankcase Ventilation
    Item Dimensions26.0 x 8.1 x 6.4 inches
    Item Weight2.00 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12604933
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2008 Cadillac CTS6 Cyl 3.6L4 DOOR
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 12604933 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How do crankcase blow-by gases, particularly through the PCV Valve Hose, affect hydrocarbon emissions for the 2008 Cadillac CTS? Posted by Bruno E.
    A:
    To reduce hydrocarbon emissions, crankcase blow-by gases are vented through PCV hoses from the valve cover to the intake manifold, where they mix with incoming air before combustion. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Jul 10, 2025
    Q:
    How are the PCV Valve Hoses connected in the 2.8L, 3.2L, and 3.6L V6 engines for the 2008 Cadillac CTS? Posted by Mattew L.
    A:
    In 2.8L, 3.2L, and 3.6L V6 engines, the PCV hoses are connected to the rear of each valve cover. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Syed / May 30, 2024

Genuine GM Part 12604933, the Right Choice

To ensure reliability, purchase GM part # 12604933 Tube Assembly, Pcv (Fresh Air). It is sometimes referred to as Cadillac Crankcase Breather Hose, Cadillac PCV Valve Hose. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Cadillac CTS models.

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