Genuine Ferris Replacement Oil Filter with Protective Cap for Lawn Mowers / 1719168X1, 5900500, 5900605, 5900606 We are an authorized Ferris Mower dealer. The new OEM Filter part number is 1719168X1. Image is for Reference ONLY, Color May Vary. Purchasing Ferris Filter from a Ferris Mower dealer guarantees that you'll receive top quality OEM parts - not aftermarket parts.