SIERRA OMC / Volvo Penta 4 in. 7-Degree Exhaust Riser – 18-1909-1

Description

SIERRA OMC / Volvo Penta 4 in. 7-Degree Exhaust Riser – 18-1909-1

A cast-iron center-rise exhaust elbow/riser with a 4-inch exhaust-hose outlet and approximately 7-degree discharge angle for compatible OMC/Volvo/aftermarket manifolds.

• Application: Many GM and Ford center-rise manifold installations using the listed OMC or Volvo Penta riser numbers.
• Component/function: Exhaust riser / elbow
• Key specification: Material: Cast iron
• OEM / aftermarket cross-reference: GLM: 51330; HGE: 3784; Mallory: 9-40911; OMC: 3850456, 3855270, 3856444, 3857944, 913784; OSCO: 50456; Volvo Penta: 3855270, 3857944, 3863061
• Use the applicable OEM service procedure and inspect mating components during installation.

This is an application-specific marine service part. Confirm the engine or sterndrive model, serial range and OEM reference before installation.

Application: Many GM and Ford center-rise manifold installations using the listed OMC or Volvo Penta riser numbers.

Specifications

• Component: Exhaust riser / elbow
• Material: Cast iron
• Outlet: 4 in.
• Angle: 7 degrees

Interchange / Replaces

• GLM: 51330
• HGE: 3784
• Mallory: 9-40911
• OMC: 3850456, 3855270, 3856444, 3857944, 913784
• OSCO: 50456
• Volvo Penta: 3855270, 3857944, 3863061