OE 21lrlr4 — Air cleaner, Filter, interior air

What is OE number 21lrlr4?

OE (Original Equipment) number 21lrlr4 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 17 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 21lrlr4.