Blue Sea 7901 Spare Knob f/m-Series (Mini)

The Blue Sea 7901 Spare Knob for m-series (mini) switch is an essential replacement component for marine electrical systems aboard recreational vessels and fishing boats. After years on the water, knobs and controls take a beating from salt spray, UV exposure, and constant handling—this genuine OEM spare keeps your panel switches functioning reliably when the original knob wears, cracks, or becomes difficult to operate. Whether you're running a weekend angler's center console or a cruising sailboat, having a replacement knob on hand prevents downtime and maintains safe electrical control of critical systems.

Designed specifically for Blue Sea Systems M-Series (Mini) switch platforms, this compact knob measures 3 x 1 x 4 inches and weighs only 0.05 lbs, making it portable for emergency repair kits stowed aboard. Blue Sea Systems manufactures marine-grade electrical components that withstand harsh saltwater environments, and OEM replacement parts like this knob maintain that same durability and fit precision. The knob interfaces directly with the m-series switch mechanism, ensuring positive tactile feedback and reliable engagement—critical when controlling battery banks, bilge pumps, navigation systems, or other essential electrical loads while underway.

Boaters, fishing guides, and marine electricians stock the Blue Sea 7901 as a preventive maintenance item; compatibility is confirmed with the m-series (mini) switch platform (model 6006). Installation requires only hand removal of the worn knob and hand-tightening of the replacement onto the switch shaft—no tools necessary. Order this spare knob for sale now to keep your vessel's electrical panel in top working condition and avoid calling for assistance when you should be enjoying time on the water.