Eikon Square Cover Plate, Matte Anthracite Plug Close-coupled Rubber Impeller Pumps are

Close-coupled Rubber Impeller Pumps are made of high quality bronze for maximum corrosion resistance

The extension unit facilitates access to the windlass clutch release nut in constrained areas

Overall Size C -  2-7/8"

there is another part of the program which says to the alternator “do not fully charge the starter battery but leave about 20% space in the battery” as the system cannot allow the starter battery to fully charge or the whole concept of the regen system will not work

Swivel nut Strainer 1/2" Barb Inlet

Eikon Square Cover Plate, Matte Anthracite Plug Close-coupled Rubber Impeller Pumps areDie Cast Metal, 2 Module