The delivery set includes a relay (solenoid)

Additional Features are that it floats when dropped in water and it is capable of working with rechargeable batteries

Robust L brackets are ideal for use as folding tables or seat brackets in marine environments where weather conditions can turn out to be quite harsh

mounting bracket and fasteners are all in stainless steel

be sure to order the connection kit with built-in rectifier (ILMDL-CONKIT-L6)

Vetus STM9531 - Service kit M2/M3 75 Amp. alternator with STM7439 V-belt Plumb The delivery set includes aThis service kit contains an Impeller, gasket, O rings, Fuel filter, Oil Filter M2 M3 M4, V belt alternator 75 Amp.