GROCO 1-1/4" Engine Flush Kit & Adaptor

The GROCO 1-1/4" Engine Flush Kit & Adaptor is an essential maintenance system designed for marine engines operating in saltwater or demanding conditions. This kit is ideal for recreational cruisers, center consoles, and commercial fishing vessels, helping to protect the cooling system from salt deposits, mineral buildup, and corrosion that can diminish performance and shorten engine life.

Designed by GROCO, a trusted name in marine through-hull fittings and seacock systems, this flush kit features a 1-1/4" connection size that fits standard through-hull cooling ports. The included adaptor allows for direct connection of fresh water supply lines to the engine's cooling jacket, facilitating the flushing of salt crystals and mineral residue without the need to run the engine at full throttle. Constructed from robust brass and stainless steel, this kit resists corrosion, ensuring reliable connections even after years of exposure to saltwater.

Boaters maintaining engines in saltwater, brackish estuaries, or hard-water lakes will benefit most from using this flush kit, particularly at the end of the season or after extended saltwater cruising. Installation is straightforward, making it accessible for all boaters looking to enhance their engine maintenance routine.