Caltric Fuel Primer Choke Solenoid for Johnson & Evinrude 9.9–300HP (Direct-Fit, OEM Replacements)

Caltric’s fuel primer choke solenoid is a direct-fit replacement designed to restore fuel priming and choke function on compatible Johnson, Evinrude and OMC outboard engines.

If your outboard is drawing hard starts, inconsistent idling, or difficulty priming the fuel system, a worn or faulty primer/choke solenoid can be the culprit. This aftermarket replacement from Caltric fits a wide range of Johnson and Evinrude models produced between the early 1980s and mid-2000s and is made to match the original mounting and electrical connections so installation is straightforward for most do-it-yourselfers and mechanics alike.

Which engines and model years will this Caltric solenoid work on?

This unit is compatible with many Johnson and Evinrude outboards as well as OMC applications. It covers a broad range of horsepower and years, so it's important to verify fitment before ordering.

• Johnson & Evinrude: 9.9–300 HP models from 1980–2005
• OMC Quiet Rider: 90–115 HP models from 1991–1993
• OMC 1.6L–4.0L engines produced between 1982–1990
• Replaces OEM part numbers: 5007356, 437233, 437238, 43762, 434326, 397909, 582865

How difficult is installation and what should I compare before replacing?

Installation is typically straightforward if the replacement matches your existing solenoid’s mounting holes and connector style. Caltric recommends matching the posted product image with your old unit and checking electrical plug orientation to ensure a direct swap without modification.

• Compare the shape, mounting bolt pattern and connector type to your existing part
• Disconnect the battery and drain residual fuel vapor before service
• Mount using the factory bolts and reconnect electrical terminals per original routing

What performance issues should prompt replacement of this primer/choke solenoid?

A failing solenoid can lead to poor cold starts, insufficient fuel priming, erratic idle or rough running during warm-up. Replacing it restores the mechanical action that controls fuel priming and choke engagement to help the engine start and settle normally.

• Engine hard to start when cold or after sitting
• Engine idles poorly or stalls shortly after starting
• No obvious external fuel leaks but inconsistent fuel delivery

Is this Caltric part identical to OEM and what does the package include?

This aftermarket solenoid is made to replace the listed OEM references and replicate fit and function, though it is produced by Caltric rather than the original manufacturer. Each order contains a single fuel primer/choke solenoid; confirm the pictured unit matches your existing part prior to installation.

• Package contains: 1x Caltric fuel primer / choke solenoid
• Designed to replace OEM numbers listed above for direct-fit replacements
• Available as part of Caltric’s broad powersports and mower aftermarket catalog

Who is this for: This replacement solenoid is intended for boat owners, marine mechanics, and restoration enthusiasts working on Johnson, Evinrude or OMC outboards from the 1980s through the early 2000s who need a reliable, plug-and-play fuel primer/choke part. If you maintain older outboard engines and want a cost-effective aftermarket option that matches common OEM part numbers, this Caltric unit is a good candidate — just double-check the picture and part numbers against your existing component before purchasing.