OTTO Excavator Parts Ex300 6Sd1 Exhaust Manifold Gasket 1141451440 114145-1440 1-14145144-0 For Isuzu This product is an exhaust manifold gasket designed for the Isuzu engine in the OTTO Excavator model Ex300 with the 6Sd1 engine. It bears the part number 1141451440 for effective sealing and performance.