‘nos’ Ac Ventilation Valve Cv590....1957-1964....corvette, Chevelle, Cadillac... on 2040-parts.com

Warning: Any copying, pasting, reproduction, likeness, similarities..... etc. of “all” or “any part” of the information contained in this template listing will immediately be documented and reported to eBay as a violation of their policy.

(1) ‘NOS’ AC PCV Valve CV590........GM #5649689

This is a ‘NOS’ AC Vintage Ventilation Valve (aka PCV Valve) sweetventidk1989sweetventidk1989sweetventidk1989swethe part your car rolled off the assembly line with. It is all New ‘NOS’, has never been used, and was made in the USA.

Box Dated 363 (March 1963)

This Unique Style CV590 (GM #5649689), to the best of my knowledge, has not been produced by AC Spark Plug Division, since about 1964-1965.

The later versions (1965 & Newer) are labeled CV590C PCV Valve (GM #6421934).

However, a little research shows that the CV590C, as GM calls it superseded, the original factory installed CV590 on or about 1965.  One look at the (2) valves tells the story. The CV590 (Ventilator Valve) is much heavier, is made from heavy milled steel and is black. While the CV590C (PCV Valve) is lighter, appears different, and is clearly manufactured from a light gauge shiny stamped steel.

Also, note the CV590 box,  has no zip code, which became mandatory sometime on or about 1967. This CV590 is a survivor, and though its little box shows minor shelf wear, the Valve is in Excellent NOS Condition (see all the photos). 

Chevrolet:

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Pontiac:

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Trucks:

Correct in sweetventidk1989sweetventidk1989Chevy / GMC (light duty) trucks sweetventidk1989sweetventidk1989sweetventidk1989sweetventidk1989sweetven1963-1964 sweetventidk1989sweetventidk1989ALL w/283ci s

Correct in sweetventidk1989sweetventidk1989Chevy / GMC (series 50-80) trucks sweetventidk1989sweetventidk1989sweetventidk1989sweetventidk1981963-1964 sweetventidk1989sweetventidk1989 ALL w/8 cylinder

Always check your specification manuals and independently confirm the AC CV590 is correct for your specific engine and vehicle.

My Vintage NOS PCV Valves may be between 30-50+ years of age. The box, which contains the Valve, may show typical or various signs of shelf-wear as it is a paper product.  However, when you open the box you will find your Valve, to truly be in, the real deal ‘NOS’ condition. 

If you have any questions or concerns before or after purchase please message me through eBay and I will promptly answer. Please message me with any questions or concerns before leaving feedback! I would like this transaction to be a positive experience for all! Thanks for looking and Happy Bidding / Buying!

Shipping $15.00 USA Only, (48 lower states) includes delivery confirmation, tracking, insurance and signiture confirmation.

For shipping outside of the continental USA please refer to EBay's automated International shipping fees. Insurance is included.

If any car guys / girls have Spark Plugs, Ignition Parts, or NOS Parts you would like to sell, please message me through eBay.

Warning: Any copying, pasting, reproduction, likeness, similarities..... etc. of “all” or “any part” of the information contained in this template listing will immediately be documented and reported to eBay as a violation of their policy.