JLM MARINE 438555 Fuel Pump for Johnson Evinrude OMC 20-30 HP Outboards | Replaces 433386 / 18-7353

Overview

The JLM MARINE 438555 fuel pump is a purpose-built replacement designed to fit Johnson Evinrude OMC outboard engines in the 20-30 HP category. It targets engines produced between 1990 and 2000, offering a straightforward swap that respects the original mounting and connections to help you keep your boat on the water with ease.

What this pump replaces

• Directly replaces several legacy part numbers: 438555, 433386, 777764, Sierra 18-7353, and Mallory 9-35353

Fitment and compatibility

• Designed for 20 HP, 25 HP, and 30 HP Johnson Evinrude/Omc outboards
• Best suited for engines manufactured from 1990 to 2000
• Maintains proper fuel delivery path and electrical connections for a seamless replacement

Performance and reliability

Beyond a simple replacement, this pump is engineered to support a steady fuel supply and consistent performance under typical marine operating conditions. The design emphasizes compatibility with older engine generations, helping to keep boats on the water with reduced downtime and predictable operation. While individual results vary, many users report smoother starts and more reliable idling when using a well-matched fuel pump in this horsepower range.

Real-world use and benefits

Imagine a weekend fishing trip or an early-morning cruise where dependable fuel delivery matters. The 438555 replacement is crafted to work with the original fuel system layout, which can translate to familiar fitment and straightforward servicing. The focus on durability and precise compatibility means you can approach maintenance with confidence, knowing the pump was designed to align with the needs of Johnson Evinrude Outboards from the 1990s era.

Notes for installation and care

Before swapping, confirm your engine model, horsepower, and year to ensure a correct match. The pump is intended to fit standard mounting and connection points used by the original part, reducing guesswork during replacement. For best results, consult your service manual and follow recommended steps for fuel system inspection and safety procedures.