Filters

View all >
MDI Online Store | Cummins Boat Engine, Johnson Boat Motor Parts, Boat Mechanic

Keep Your Engine Running

We carry the best parts and brands for any situation.

Sensors / Switches

View all >
Northern Lights Rocker Switch, Green LED | Marine Diesel Generator Sensors And Switches | MDI Generator Part| Pressure Sensors And Solenoids | Charleston, SC Marine Diesel Generator Repair, Parts & Service
Sale price$22.15
Rocker Switch P/N 22-90362Northern Lights Reviews
In stock, 3 units
SOLENOID VALVE, 24V - ZF Part # 0501337052
Sale price$1,171.00
SOLENOID VALVE, 24V - ZF Part # 0501337052ZF Reviews
Only 2 units left
ONAN ROCKER SWITCH - ONAN | Marine Diesel Generator Sensors And Switches | MDI Online Store | Pressure Sensors And Solenoids | Charleston, SC Marine Diesel Engine Repair, Parts & Service
Sale price$34.61
ROCKER SWITCH P/N 308-1218ONAN Reviews
In stock, 3 units
ONAN CIRCUIT BREAKER - ONAN | Marine Diesel Generator Sensors And Switches | MDI Online Store | Pressure Sensors And Solenoids | Charleston, SC Marine Diesel Engine Repair, Parts & Service
Sale price$27.34
CIRCUIT BREAKER P/N 320-2361ONAN Reviews
Only 1 unit left
Northern Lights Rocker Switch | Marine Diesel Generator Sensors And Switches | MDI Generator Part| Pressure Sensors And Solenoids | Charleston, SC Marine Diesel Generator Repair, Parts & Service
Sale price$12.01
Rocker Switch P/N 22-90167Northern Lights Reviews
In stock, 5 units
Northern Lights Relay,SPDT 12VDC 50A | Marine Diesel Generator Sensors And Switches | MDI Generator Part| Pressure Sensors And Solenoids | Charleston, SC Marine Diesel Generator Repair, Parts & Service
Sale price$10.24
Relay P/N 22-40817Northern Lights Reviews
In stock, 9 units
INPUT SPEED SENSOR P/N 1020553
Sale price$356.95
INPUT SPEED SENSOR P/N 1020553TWIN DISC Reviews
Only 2 units left
Valve Solenoid P/N 3217308076
Sale price$673.00
Valve Solenoid P/N 3217308076ZF Reviews
Only 1 unit left
ONAN RELAY, 12V - ONAN | Marine Diesel Generator Sensors And Switches | MDI Online Store | Pressure Sensors And Solenoids | Charleston, SC Marine Diesel Engine Repair, Parts & Service
Sale price$22.47
RELAY, 12V P/N 307-2767ONAN Reviews
Sold out
ONAN LOW COOLANT SENDER - ONAN | Marine Diesel Generator Sensors And Switches | MDI Online Store | Pressure Sensors And Solenoids | Charleston, SC Marine Diesel Engine Repair, Parts & Service
Sale price$167.99
LOW COOLANT SENDER P/N A055G562ONAN Reviews
Only 2 units left
ONAN CIRCUIT BREAKER - ONAN | Marine Diesel Generator Sensors And Switches | MDI Online Store | Pressure Sensors And Solenoids | Charleston, SC Marine Diesel Engine Repair, Parts & Service
Sale price$25.88
CIRCUIT BREAKER P/N 320-2362ONAN Reviews
In stock, 3 units
ONAN 12V ROCKER SWITCH SPDT - ONAN | Marine Diesel Generator Sensors And Switches | MDI Online Store | Pressure Sensors And Solenoids | Charleston, SC Marine Diesel Engine Repair, Parts & Service
Sale price$83.34
12V ROCKER SWITCH SPDT P/N 308-1101ONAN Reviews
Only 1 unit left
ONAN PRESSURE SWITCH -ONAN | Marine Diesel Generator Sensors And Switches | MDI Online Store | Pressure Sensors And Solenoids | Charleston, SC Marine Diesel Engine Repair, Parts & Service
Sale price$71.24
PRESSURE SWITCH P/N 309-0717ONAN Reviews
In stock, 3 units

Sign up to receive exclusive offers to help keep your boat in top shape!