Parts for Caterpillar 3408 for Canada - Intercooler & Aftercooler Section Loading... 1 Aftercooler Core for Caterpillar 3408, 3408B and 3408C engines . Price: $ 2,149.78 Qty: ^ Details In Stock Add to Cart 2 Aftercooler Gasket for Caterpillar 3408 engines . Price: $ 11.54 Qty: ^ Details In Stock Add to Cart 3 Aftercooler Installation kit Marine Engines Serial number Prefix: 78Z Price: $ 106.83 Qty: ^ Details In Stock Add to Cart