OE ct21702 — Engine Oil Filter

What is OE number ct21702?

OE (Original Equipment) number ct21702 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 8 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 ct21702.