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Chevrolet 12590677 PVC Tube Assembly

2006 Chevrolet

Customer Questions & Expert Answers (3)
12590677 GM PVC Tube Assembly 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 Chevrolet
    Manufacturer Part Number12590677
    Part DescriptionTUBE, Engine Crankcase Ventilation
    Item Dimensions12.9 x 3.8 x 1.6 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12590677
    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
    2006 Chevrolet Impala6 Cyl 3.5L, 6 Cyl 3.5L Flex, 6 Cyl 3.9LLS, LT, SS
    2006 Chevrolet Malibu6 Cyl 3.9L4 DOOR HATCHBACK, 4 DOOR NOTCHBACK, LS 4 DOOR HATCHBACK, LS 4 DOOR NOTCHBACK, LT 4 DOOR HATCHBACK, LT 4 DOOR NOTCHBACK, MAXX SS 4 DOOR HATCHBACK, SS 4 DOOR NOTCHBACK
    2006 Chevrolet Monte Carlo6 Cyl 3.5L, 6 Cyl 3.5L Flex, 6 Cyl 3.9LLS, LT, SS
    2006 Chevrolet Uplander6 Cyl 3.9LCROSSOVER SPORT VAN, CROSSOVER SPORT VAN EXTENDED
  • 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 12590677 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How is crankcase blow-by gas vented through the PCV Valve Hose to reduce hydrocarbon emissions for the 2006 Pontiac G6? Posted by Kimmo R.
    A:
    Crankcase blow-by gas is vented through the PCV valve to the intake manifold via a rubber hose. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Sep 22, 2025
    Q:
    What is the configuration of the PCV system, including the PCV Valve Hose, in the V6 2006 Pontiac G6? Posted by Janne L.
    A:
    For V6 models, the system features a fixed orifice in the front valve cover, with two hoses managing the flow of fresh air and crankcase vapors in relation to intake manifold vacuum. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Xavier / Mar 17, 2024

Genuine GM Part 12590677, the Right Choice

To ensure reliability, purchase GM part # 12590677 PVC Tube Assembly. It is sometimes referred to as Chevrolet Crankcase Breather Hose, Chevrolet 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 Chevrolet Impala, Malibu, Monte Carlo models.

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