KAB Seats are a specialist seat manufacturer supplying OME and aftermarket seat options for Trucks, Buses, Coaches, Agricultural and Earth-moving equipment. ID is usually found on the base left hand side of the cushion. Please contact us if you are unable to identify your seat. If you have a KAB 411 then please contact us for measurements, as there is also a narrow version. Headrests and armrests are optional extras and available with most of our product range. Please call/email us if you have purchased a deluxe armrest.