Sensors, Switches & Wiring Harnesses (Engine)

Sierra Rev Limiter 18-99365 for Mercury Mariner Outboard Engines

Sierra 18-7757 Throttle Position Sensor, Flange Mount, for Mercury Racing 350/377 V-8 Marine Engines

Sierra 18-7677 Knock Sensor, Replaces R020027, Fits MerCruiser MCM/MIE GM V-8 305, 350 and 377 CID Engines

Sierra Knock Sensor 18-7703, Replaces 3854512, for Mercruiser GM V8 454/502/540/572 CID and Volvo Penta 7.4L/8.2L OMC Stern Drive

Sierra 18-7630 Throttle Position Sensor for 5.7L 350 V-8 EFI Marine Engines

Sierra 18-5515 EST Distributor Coil to Module Harness for Delco EST Distributor

Sierra Trigger for Mercury Mariner 3-Cylinder Outboard Engines - 18-99433

Sierra Johnson/Evinrude Engine Wiring Adapter Harness 18-99402, Adapts 1996-2016 Engines to 1976-1995 Controls

Sierra Oil Warning Module 18-99411 for Mercury/Mariner 2/3/4-Cylinder 2-Stroke Outboards, 1990-1999

Sierra Throttle Position Sensor 18-7700 for 350 V-8 and 377 V-8 Marine Engines

Sierra Wiring Harness 18-99422 for Johnson/Evinrude 20, 25, 35 HP Round Plug Outboards, 1977-1981

Sierra 18-99415 4-Cylinder CDM Trigger for Mercury Mariner 80 JET, 100, 115, 125 HP 1996-2006

Sierra Boat-Side Wiring Harness 18-99447 for Johnson/Evinrude Outboard Control Box, Round Plug, 20 Feet

Sierra Trigger 18-99390 for 4 Cylinder Mercury/Mariner Outboards (1976-1997), Replaces 134-6452

Sierra 18-99393 Ignition Trigger for Mercury/Mariner 3-Cylinder Outboards, 1987-1999, 45-90 HP, Replaces 99021A15

CDI Electronics 118-99510 ESA Interrupter Switch and Harness, Replaces 933-4051 984051, OMC Cobra Sterndrive

Sierra 18-7697 Idle Air Control Motor, Replaces R084003

Sierra 18-7632-1 Idle Air Control Motor for 5.7L 350 V-8 EFI Marine Engines

Sierra Coolant Temperature Sensor 18-7600, Replaces Mercruiser 47002

Sierra Crankshaft Sensor 18-7556 for Mercury 5.0L/6.2L 1998-2010, Replaces 864297001

Sierra 18-99398 Johnson Evinrude Trigger Sensor, 2 Cylinder, Replaces 585072, 584716, 583387

CDI Electronics 414-8672 Wiring Harness for Mercury/Mariner 30 & 40 Jet HP Outboards (1989-1997)

Sierra 18-99444 Wiring Harness for Mercury Mariner Outboard Electrical Systems