Replaces OEM part #
- MERCURY MARINE 44354A3
- MERCURY MARINE 807988A2
most Mercruiser V-6 & V-8 applications 7° (4" O.D. Riser)
Comes with 18-0897,18-4263 & 18-4258
Manifold: 18-1952-1, 18-1953-1, 18-1957-1
Riser Gasket: 18-0897 restrictor, 18-2849 open, 18-0672 blocked
Mounting Kit: 18-8505, or if spacer is included use 18-8555
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