Parts list: № Number Qty Name Options 1 L78975 4 Fitting Plug ALSO ORDER 51M7045 2 51M7045 4 O-Ring 19.300 X 2.200 mm Next page: ST1006773 Mechanical Midstack SCV, W/ 2 Functions (977139 - 999999), (100001 - 673928) ST1004973 Mounting Parts, Heat Cover, Mechanical SCV / Electrical SCV (970309 - ) ST775895 Mechanical Midstack SCV, W/ 2 Functions (673929 - 937675) ST1006786 Mechanical Midstack SCV, W/ 3 Functions (977139 - 999999), (100001 - 673928) ST1033837 Mechanical Midstack SCV, W/ 3 Functions, Attachment ST1032577 Mounting Parts, Heat Cover, Mechanical SCV / Electrical SCV, Attachment ST1012761 Mechanical Midstack SCV, W/ 2 Functions (937676 - 977138) ST1033701 Mechanical Midstack SCV, W/ 2 Functions, Attachment ST1012763 Mechanical Midstack SCV, W/ 3 Functions (937676 - 977138) ST1004975 Mounting Parts, Heat Cover, Mechanical Midstack SCV ( - 970308)