The Kubota 3S50543580 Filter Cap is an authentic OEM replacement part designed to securely seal the filter housing on various Kubota L-Series tractors and RTV-X utility vehicles. This genuine Kubota component ensures the integrity of your machine's filtration system, preventing contaminants from entering and maintaining optimal performance. It is a direct fit for models including L2501, L3301, L3901, L4701, LX2610, LX3310, RTV-X1100, RTV-X1120, and RTV-X1140.