Aftermarket mechanical seal for circulation pump. Replaces the following active and superseded Volvo Penta part numbers 1676432 (active) (SS) 1674032 1665527 1542833 1545283 Shown as number 8 on scheme of the third picture on a KAD42 pump. Some pumps that need this seal 3580784 3809412 866201 3836405 Applications: Most D30 D31 D32 D40 D41 D42 D43 D44 D300 D61 D62 D63 D73 D162 & more