The JCB 333F2931 is a genuine OEM seat cushion foam designed to provide optimal comfort and support for operators of JCB Fastrac 4000 Series and Fastrac 8000 Series agricultural tractors. This essential replacement part helps maintain the ergonomic integrity of the operator's seat, reducing fatigue during long working hours. Constructed from durable foam, it measures 510mm in length, 480mm in width, and 100mm in height, with a weight of 0.80 kg, ensuring a precise fit and lasting performance.