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New AC GM PCV Valves Made in U.S.A.
Firebird, LeManns 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972

Chevelle with/327, 427, 1966, 1967, All 327 Engines 1966

Camaro, Chevelle, Chevy II, with 327 1967

see listing

NOS OEM AC GM PCV Valves OEM GM NO. 6421972, AC No. CV679C.  Still in original box, ready to install.  You are buying on one PCV Valve not a box on ten valves.  Earn extra points with original AC Parts.  If you want to keep your car or truck original use original GM parts.  

Buy now to make sure you get this for your car or truck!!!

We carry over 50,000 line items for your car or truck in stock, from 1915 to 2013. We specialize in brake, suspension, electrical and engine parts from the 1940's to 1980's.

We try to ship twice per week. If you need an item sooner please contact us at (425) 572-0764. 

Visit our Ebay store Old Car Parts NW for other hard to find items for your car or truck.


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We ship within 1 business day from receipt of payment. 

We ship Worldwide.  In the U.S.A. we ship via USPS, UPS, FedEx, and Truck.  Worldwide we use USPS.

Terms of Sale

All items are sold as described to the best of our ability.

About Us

OCPNW over many years has been purchasing vintage NOS auto parts. We now stock over 200,000 different NOS, OEM NORS parts for cars and trucks. We have parts from 1914 to 2018. We specialize in Engine Parts (Carburetor Kits, Bearings, Valves, Lifters, Clutches, Gears, Fuel Pumps, Water Pumps, etc.), Suspension Parts (Shocks, Tie Rod Ends, Ball Joints, Control Arms, etc.), Electrical ( Starters, Generators, Alternators, Replays, Switches, Regulators), Brakes (Brake Drums, Rotors, Calipers, Wheel Cylinders, Master Cylinders, Repair Kits, etc.), Misc. Parts (Speedometer Cables, Radiator Hoses, Fan Belts, Lights, Transmission Parts, Wiper Motors, etc.) and 1,000's of other parts. Visit our eBay Store or contact us to see if we can help get your car or truck running right.
Also, look for us on Facebook where we answer questions and list events we participate in! 
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Contact Us

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