CULMKARI Fuel Pump for Johnson Evinrude OMC Outboards — Direct Replacement 20–140 HP, Plug‑and‑Play

If your boat engine is running rough, stalling, or showing poor throttle response, a worn or failing fuel pump is often the culprit. This CULMKARI unit matches OEM fit and function for many Johnson/Evinrude models (covers 20hp through 140hp ranges across multiple years) and replaces part numbers 438556, 388268, 385781 and Sierra 18-7352. It is built for plug-and-play installation so you can return to the water quickly.

Which engines and years does this pump fit?

This pump was engineered to fit numerous Johnson and Evinrude outboards spanning several decades. Compatibility includes small powerplants through larger mid-range horsepower motors commonly found on recreational boats.

• Fits Johnson/Evinrude 20–48hp models across 1968–1994 years as listed
• Covers 50–140hp ranges for 1974–1996 engines where specified
• Replaces OEM numbers 438556, 388268, 385781 and Sierra 18-7352
• Check your motor’s part number and year to confirm match before purchase

How easy is installation — can I do it myself?

The CULMKARI pump is designed for straightforward swap-in replacement with the same mounting points and electrical connector style as the original. Many owners complete the job using basic hand tools without professional help.

• Plug-and-play electrical connector for a direct match
• Same mounting footprint minimizes bracket or hose changes
• DIY-friendly instructions reduce install time and frustration
• Technical support available if you need guidance

What performance and reliability should I expect?

This replacement pump restores proper fuel flow and pressure for stable idling, better throttle response and smoother acceleration. It’s manufactured to resist common failure modes and to provide dependable operation in marine environments when installed correctly.

• Restores consistent fuel delivery to the carburetor or injectors
• Durable components built for marine vibration and moisture
• Helps resolve symptoms like stalling, sputtering, or surging
• Backed by responsive technical support for troubleshooting

What should I verify before ordering?

Confirming your original pump part number and engine year prevents returns and fits your maintenance schedule. Also inspect hose sizes and electrical connector types to ensure a seamless swap.

• Compare your OEM number with 438556, 388268, 385781 or Sierra 18-7352
• Verify horsepower and year range listed for your engine model
• Check that vacuum or electrical ports match your existing setup
• Have basic tools and replacement clamps/hoses ready for install

Who is this for: Boaters, DIY marine technicians and service shops seeking an affordable, OEM-compatible fuel pump replacement for Johnson, Evinrude and OMC outboards. If you operate any supported horsepower model listed, want a plug-and-play swap and prefer quick technical help when needed, this CULMKARI fuel pump is intended for your repair needs.