[Lifetime Warranty] 12V Starter Solenoid Relay 89-817109A3 89-817109A2 89-817109A1

12V Starter Solenoid Relay 89-817109A3 89-817109A2 89-817109A1

Key Features

• Voltage: 12V
• Function: Relays electrical current from the battery to the starter motor upon ignition.
• Terminal Configuration: 4-post design for secure electrical connections.
• Construction: Engineered for marine environments.

Replaces / Cross-Reference Part Numbers

• Mercury Marine: 89-817109A1, 89-817109A2, 89-817109A3, 87-803632T, 89-F460917-1
• Sierra: 18-5834, 18-3835
• Arco: SW109
• Arrowhead: SMR6010
• J&N: 240-22131
• WAI: 67-731

Compatibility & Fitment

• Fits a wide range of Mercury, Mariner, and Force outboard engines.
• Commonly used on models from 40 HP to 250 HP, including V-series engines.
• Direct replacement for the listed OEM and aftermarket part numbers. Verify your specific part number before ordering.

When to Replace

• A single, audible click is heard but the starter motor does not engage.
• No sound or action from the starter system when the ignition key is turned.
• The starter motor continues to run after the ignition key is released.
• Intermittent or unreliable engine starting.

Installation Tips

• Disconnect the battery's negative terminal before beginning work.
• Photograph or label all wire connections on the old solenoid before removal.
• Clean all cable terminals and mounting points to ensure a solid electrical connection.
• Ensure the new solenoid is securely mounted to its original location.
• Reconnect wires to the correct terminals and tighten all nuts securely.

Compatibility & Fitment