Mercruiser Riser Extension Spacer Block kit 93320A13 3" 4.3L 5.0L 5.7L 350 305 Dipsticks and Tubes 315745 / 0315745 Impeller Housing

315745 / 0315745 Impeller Housing Bottom Plate

Removed from a Mercury Outboard 1500 150hp S/N 3630289 (1973)

but they both are the same 153 tooth unit / 12-3/4" overall diameter

Switch has been tested & is completely functional

but nothing that should affect function or anything that I noticed on when still affixed to the engine before it was removed

Mercruiser Riser Extension Spacer Block kit 93320A13 3" 4.3L 5.0L 5.7L 350 305 Dipsticks and Tubes 315745 / 0315745 Impeller HousingRisers Part #'s 93320A5, 93320A3, 93320A13, 18 1908, 50310 Used mostly from 1982 1998 Does not come with gaskets You get what you see in the pictures Purchase with confidence! Please inspect pictures closely to to ensure product satisfaction.