A-AHM9076-AI Gasket Set, Lower without SealsOne New Aftermarket Replacement Lower Gasket Set for Leyland Marshall and Fits JCB Tractors and Backhoe Loaders This lower (bottom end) engine gasket set seals the crankcase and lower engine block on Leyland Marshall and Fits JCB machines equipped with the Leyland 3. 8T, 3. 8TD, 3. 8TA, 4 98DT, 4 98NT, and 4 98TT engines. It does not include shaft or crank seals. Used during engine overhaul or bottom end rebuild to replace worn or damaged lower