Mercruiser Sierra S18-3150 Water Pump Kit 46-807151A14 BLA UPDATE While the external shape resembles

While the external shape resembles other manifolds the exhaust port internal shape curves towards the rear outlets

1" Shaft x 1 3/4 Hose Most Common Type in ski boats

Holden V8 253-308 Manifolds - Water Cooled Aluminium

please specify on checkout if you have a preference for either brand

suits Late Model Bravo & High Performance - 350 Mag - 4

Mercruiser Sierra S18-3150 Water Pump Kit 46-807151A14 BLA UPDATE While the external shape resemblesMercruiser Water Pump Kit replaces mercruiser number 46 807151A14. Sierra part no. S18 3150. Great quality kit made in the USA. Kit includes plastic pump housing, impeller, Cover Plate, O Ring and mounting bolts.