Marine Exhaust Manifold Replacement for Sierra 18-1997-1 Barr CHV-1-83 Osco 994 GLM 56230 84952170
OE Part Number
CHV-1-83
56230
56230
18-1997-1
994
9-40110
994
9-40110
CHV-1-83, 56230, 18-1997-1, 994, 9-40110
Features:
100% leak-tested
Uniform wall thickness
Unobstructed exhaust passages
Shot-blasted for a smooth exterior finish
All mounting surfaces are CNC-machined to ensure precise gasket mating surfaces
Surface finished with a baked enamel coating
100% leak-tested
Uniform wall thickness
Unobstructed exhaust passages
Shot-blasted for a smooth exterior finish
All mounting surfaces are CNC-machined to ensure precise gasket mating surfaces
Surface finished with a baked enamel coating
Fitment
Fit for 305/351ci GM marine engines.
Note: Professional installation is highly recommended.