Sierra Solenoid Starter

Sierra 18-5821 Starter Solenoid

Additional Details:

Fits: 9.9/15 4-Stroke (1999 & up), 30 4-stroke (2002 & up)

Fits: 40/50/60 4-Stroke (2001 & Up), 75/90 4-Stroke (2000 & up)

Replaces:

Arco

SW945

Mallory

9-15121

9-15203

Mercury Marine

825096T01

89-825096T

89-25096

89-95642M

89-96356M

89-84932M

89-8M0098898

Yamaha Outboard

6G1-81941-10-00

6G1-81940-00-00

6G1-8194A-10-00

Frequently Asked Questions

• What is the Sierra 18-5821 Starter Solenoid used for? The Sierra 18-5821 Starter Solenoid is a replacement solenoid for specified four-stroke outboard applications. It is listed for 9.9/15 HP four-stroke engines from 1999 and newer, 30 HP four-stroke engines from 2002 and newer, 40/50/60 HP four-stroke engines from 2001 and newer, and 75/90 HP four-stroke engines from 2000 and newer.
• What four-stroke outboards does the Sierra 18-5821 Starter Solenoid fit? The Sierra 18-5821 fits 9.9/15 HP four-stroke engines from 1999 and up, 30 HP four-stroke engines from 2002 and up, 40/50/60 HP four-stroke engines from 2001 and up, and 75/90 HP four-stroke engines from 2000 and up. Verify your engine's specifications before ordering.
• Which part numbers does the Sierra 18-5821 Starter Solenoid replace? The Sierra 18-5821 replaces several listed solenoids, including Arco SW945, Mallory 9-15121 and 9-15203, and multiple Mercury Marine and Yamaha Outboard part numbers.
• Does the Sierra 18-5821 replace Mercury Marine starter solenoids? Yes. The Sierra 18-5821 is listed as a replacement for Mercury Marine part numbers 825096T01, 89-825096T, 89-25096, 89-95642M, 89-96356M, 89-84932M, and 89-8M0098898.
• Does the Sierra 18-5821 replace Yamaha Outboard starter solenoids? Yes. The Sierra 18-5821 is listed as a replacement for Yamaha Outboard part numbers 6G1-81941-10-00, 6G1-81940-00-00, and 6G1-8194A-10-00. Confirm your existing part number or engine application before purchasing.