**Verify the part fits before purchasing**
Specs:
Unit Type: Starter Relay
Voltage: 12
Dimension: Battery Terminal: 5/16-18, Motor Terminal: 5/16-18, Switch Terminal: 10-32, Ground Terminal: 10-32, Relay Terminal: N/A, Notes: Isolated Base, Notes: 68mm Mounting Hole Center to Center,
Brief: 12 Volt, 4-Terminal, Isolated Base
Mercury Marine
Replaces OEM Numbers:
ARCO MARINE: SW109
ARROWHEAD: SMR6010
EMP PARTS: 4-5834
J & N: 240-22131
Mercury MARINE: 817109A1, 817109A2, 817109A3
SIERRA MARINE: 18-5834
WAI: 67-731