18-7628 Intake Manifold

Replacement manifold for engines with Vortec heads.

Sierra manifolds are engineered for a quick installation. Each manifold is an meets the same specifications an OEM part and is leak tested for quality assurance. Mating surfaces are CNC machined to provide the best possible seal without additional preparation. The castings are primed and painted to stand up to the marine environment. This intake manifold is commonly used on Small Block GM based applications with Vortec cylinder heads and features brass lined water jackets to stand up to saltwater.

Sierra offers parts engineered to meet or exceed the specifications of marine engine manufacturers and has gained the confidence of the marine industry. Boaters and technicians can be assured a Sierra part will fit right the first time and restore function to OEM specifications. For a quick out of the box solution to damaged or corroded manifolds look no further than Sierra.

Key Features

• Meets or exceeds manufacturer specifications
• CNC machined mating surfaces for installation without additional preparation
• Fits Small Block GM applications with Vortec cylinder heads
• Backed by SeaStar Solutions Limited Two-Year Warranty

The Sierra Engine Parts Selector

In addition to intake manifolds, we offer a wide variety of other engine parts manufactured by Sierra. To see if we have the part you need, see our Engine Parts Selector, where you can search by engine make, serial number and model or year of manufacture.