438556 Fuel Pump Fits For Johnson Evinrude OMC BRP Boat

The CULMKARI 438556 fuel pump is a direct-fit replacement for a wide range of Johnson, Evinrude and OMC/BRP outboard engines, designed for plug-and-play installation and reliable fuel delivery.

When a boat won’t start or runs rough, a failing fuel pump is a common suspect. This replacement unit corresponds to OEM part numbers 438556, 388268 and 385781 and cross-references Sierra Marine 18-7352, covering many two-stroke Johnson and Evinrude models spanning from the late 1960s through the 1990s. It’s engineered to match the original mounting, ports, and electrical connections so mechanics and DIYers can restore fuel flow without modifications.

Which engines and model years will this pump fit?

This pump fits numerous Johnson and Evinrude outboards across multiple horsepower classes. Compatibility includes small- to mid-range engines commonly used on fishing boats and runabouts, across specific production years listed below.

• 20hp (1985–1989), 25hp (1976–1988), 28–30hp (1985–1989)
• 33hp (1968–1970), 35hp (1976–1989), 40–48hp (1968–1994)
• 50–60hp and up: 50hp (1974–1994), 55hp variants, 60hp (1980–1985)
• Higher ranges: 85hp, 88hp (1987–1996), 90hp, 100hp, 112–140hp depending on year
• Replaces part numbers: 438556, 388268, 385781; Sierra 18-7352 cross-reference

How easy is installation and what tools will I need?

The CULMKARI pump is built as a direct replacement with matching mounting holes and electrical connector orientation for a straightforward swap. Basic hand tools and a modest mechanical skill level are sufficient for most installations, and many owners complete the job in under an hour.

• Plug-and-play electrical connector to match original harnesses
• Standard wrench or socket set for mounting bolts
• Fuel line clamps and small screwdriver for hose connections
• Hands-on time typically 30–90 minutes depending on access

What performance and reliability features should I expect?

This replacement pump is manufactured to restore consistent fuel pressure and flow comparable to the OEM unit, reducing hesitation and poor idling caused by worn pumps. Materials and diaphragm design are selected for resistance to fuel exposure and long service life under normal boating use.

• Materials resistant to ethanol-blended fuels and gasoline exposure
• Diaphragm and valve components engineered for steady fuel delivery
• Quality control to meet fit, form, and functional expectations
• Backed by technical support for installation or fit questions

What support and replacement details are available if something doesn’t match?

CULMKARI offers responsive technical support from an experienced team to help confirm fitment or troubleshoot installation issues. If you discover a mismatch, verify engine serial numbers and part cross-references before contacting support to speed resolution.

• Quick-response technical assistance for fitment verification
• Provide engine model/year and serial where available for fast help
• Replacement part numbers listed on the unit to cross-check compatibility

Who is this for: Ideal for boat owners, marine mechanics, and restoration projects that require a reliable, cost-effective fuel pump replacement for Johnson and Evinrude outboards across many horsepower ratings. Choose this pump if you need an OEM-style swap that cuts downtime and brings older outboards back to dependable operation without complex modifications.