Feature

●Cast Iron Exhaust Manifold for Mercruiser 4.3 V6 engines from 1983 to 2002. Replaces MerCruiser part numbers 99745, 99746, 99746A8, 99746A17
●Includes gaskets, plugs, drain elbow, and blue drain plug. Left and right are the same. Does not fit newer dry-joint manifolds (2002 and newer)
●100% Leak Tested. Uniform wall thickness. Clean exhaust passages. Shot peened for smooth external finish. All mounting surfaces CNC machined to guarantee exacting gasket mating surface. Coated with a baked enamel finish. These are the best aftermarket exhaust manifolds available!
●GLM Marine, has catapulted to the forefront in manifold technology by incorporating improvements in design, manufacturing, quality assurance, fault testing, and distribution. GLM owns their own factories which gives them the ability for complete quality control to assure the integrity of the product before it is shipped. Factory ownership is rare in the Marine Manifold industry. This is one of the reasons GLM can offer a 3-year limited warranty on all their cast iron exhaust products.
●For over 32 years now, GLM has committed itself to producing high quality and cost effective aftermarket marine products. From superior quality materials to the most advanced computerized machinery, GLM has made a commitment to the marine industry and its consumers to deliver the most outstanding, reliable and compatible products to meet the demands of consumers.


Description

Cast Iron Exhaust Manifold for Mercruiser 4.3 V6 engines from mid 1983 to 2002