OE ph9503 — Engine Oil Filter

What is OE number ph9503?

OE (Original Equipment) number ph9503 is a manufacturer's reference code for Engine Oil Filter used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 5 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 ph9503.