Sierra MerCruiser Exhaust-Manifold Riser

Replaces Mercruiser 44354A3, 44354A9,  44354A10, 44354A13, 807914A1, 807988A2, 807988A03

Marine Power 0992-400, Barr MC-20-44354

Fits Most Mercruiser V-6 & V-8  applications 7° (4" O.D. Riser) Comes with S18-0897, S18-4263 & S18-4258

Use with

Manifold S18-1952-1, S18-1953-2, S18-1957-2

Riser Gasket S18-0897 restrictor, S18-2849-1 open, S18-0672 blocked

Mounting Kit S18-8505

Product code: S18-1976-2

Please compare the product code and specifications with the required application before ordering.