Kubota upper gasket kit (s/n 5V3977 and below) Kubota upper gasket kit (s/n 5V3977 and below) $27.81 Enter Quantity SKU: W-3106-1012 Replaces: 1G470-99350Fits: Kubota tractors: BX2230D (s/n 5V3977 and below)Note #1: Kubota 'D902' engine model #