OE 43103 — coolant expansion tank, Engine Oil Filter

What is OE number 43103?

OE (Original Equipment) number 43103 is a manufacturer's reference code for coolant expansion tank used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 26 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 43103.