OE 3977 — Air cleaner, Brake Cylinder, Brakehose, Brake rotor, Brake-shoe set, bushing, control/trailing arm, coolant expansion tank, outlet valve

What is OE number 3977?

OE (Original Equipment) number 3977 is a manufacturer's reference code for Air cleaner used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 22 compatible aftermarket brands that match the same specification — often at a lower price than the original. All parts listed above are verified to match OE 3977.