Parts For Caterpillar C18 - Cylinder Head Section Loading... 1 Cylinder Head for Caterpillar 3406E, C15 & C18 engines 2237263V New - head with valves and springs. For engines with Prefix # 9WR, RLA, BEM, MGS, C1J, CKH, CYN, NAX & NAY Price: $ 6,027.00 Qty: ^ Pictures In Stock Add to Cart 2 Head Bolt for Caterpillar 3406, 3408, C15 and C18 engines 6I4025 12 Point head bolt Price: $ 17.64 Qty: ^ Details In Stock Add to Cart 3 Head Bolt for Caterpillar C18 engines 1065673 12 Point head bolt, 3/4-16 X 8.5 Inches Price: $ 12.86 Qty: ^ Details In Stock Add to Cart 4 Head Bolt Washer for Caterpillar 3406, 3408, 3412, C15 and C18 engines 5H1504 . Price: $ 1.24 Qty: ^ Details In Stock Add to Cart 5 Cylinder Head Gasket for Caterpillar 3406E, C15 & C18 engines 3590908 . Price: $ 256.76 Qty: ^ Details In Stock Add to Cart