The 551-33VA Replacement Valve by CDI Electronics is a direct swap for the 551-33-1 Gearcase Filler. This valve is used to control flow and pressure inside a piping system and is intended for usage...
The PRESSURE VACUUM TESTER (551-34PV) from CDI Electronics is reliable, durable, and high-quality. This boat component does not harm the boat engine but only assists in the smooth and safe operations...