OER Valve Cover PCV Rubber Grommet – GM 3989349 – Chevy Corvette, Nova, Impala, Camaro, Chevelle, El Camino

This is the correct PCV valve grommet for a ton of classic Chevys—Corvette, Nova, Impala, Camaro, Chevelle, El Camino, Caprice, Malibu, Monte Carlo, Biscayne, Bel Air.

OEM part number 3989349.

Made by OER, brand new.

Fits the left side valve cover.

Black rubber, 1-year warranty.

If your old grommet is cracked, leaking, or letting the PCV valve flop around, swap this in.

Also interchanges with 3965541, 3965542.

Vintage car part, not performance—just solid OEM-style replacement.

Prop 65 warning applies, but it's a grommet.

UPC doesn't apply.

Keep that small block breathing right.