SKU: 9570629689

397839 391638 395091 397274 18-7350 Fuel Pump for Evinrude Johnson OMC BRP Marine | JLM Marine

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Description

397839 391638 395091 397274 18-7350 Fuel Pump for Evinrude Johnson OMC BRP Marine | JLM MarineFuel Pump Assembly for Johnson Evinrude OMC BRP Marine 9. 9 15 HP Outboard Engines This aftermarket fuel pump assembly is engineered to fit Johnson and Evinrude 2 cylinder outboard engines ranging from 4. 5 HP to 15 HP, covering model years from 1977 to 1992 and older. Designed for reliable fuel delivery in cross flow and standard configurations, this pump ensures consistent performance across a wide range of vintage and modern OMC BRP marine

Fuel Pump Assembly for Johnson/Evinrude OMC BRP Marine 9.9-15 HP Outboard Engines

This aftermarket fuel pump assembly is engineered to fit Johnson and Evinrude 2-cylinder outboard engines ranging from 4.5 HP to 15 HP, covering model years from 1977 to 1992 and older. Designed for reliable fuel delivery in cross-flow and standard configurations, this pump ensures consistent performance across a wide range of vintage and modern OMC/BRP marine applications.

Direct Replacements: This pump directly replaces OEM part numbers 397839, 391638, 395091, 397274, and aftermarket equivalents including Sierra Marine 18-7350, along with multiple superseded OMC numbers for broad compatibility.

  • Includes fuel pump, gasket, and two cable ties for complete installation
  • Compact metal construction (60mm × 40mm × 35mm) for durability in marine environments
  • Fits both cross-flow and standard 2-cylinder outboard configurations

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Brand Part Number Notes
Johnson/Evinrude OMC 397839 Primary OEM number
Johnson/Evinrude OMC 391638 OEM equivalent
Johnson/Evinrude OMC 395091 OEM equivalent
Johnson/Evinrude OMC 397274 OEM equivalent
Johnson/Evinrude OMC 0382875 Superseded
Johnson/Evinrude OMC 0386834 Superseded
Johnson/Evinrude OMC 0394789 Superseded
Johnson/Evinrude OMC 0395090 Superseded
Johnson/Evinrude OMC 0388685 Superseded
Johnson/Evinrude OMC 388685 Superseded
Johnson/Evinrude OMC 3911667 Superseded
Sierra Marine 18-7350 Aftermarket equivalent
Aftermarket 600-159 Generic replacement

Compatible Engine Models

Confirm your engine model/year in the table below. For Johnson/Evinrude owners, here's a guide to help you identify your engine's serial/model: Johnson Serial Number Guide.

Brand Model Rated HP Years Notes
Johnson/Evinrude 2 CYL 2.188 Bore Cross Flow 15 HP 1981-1987
Johnson/Evinrude 2 CYL 2.188 Bore Cross Flow 9.9 HP 1981-1987
Johnson/Evinrude 2 CYL 4.5 HP 1981-1983
Johnson/Evinrude 2 CYL 5 HP 1980-1983
Johnson/Evinrude 2 CYL 6 HP 1977-1979, 1984-1987
Johnson/Evinrude 2 CYL 7.5 HP 1980-1983
Johnson/Evinrude 2 CYL 8 HP 1980-1987
Johnson/Evinrude Outboard 6 HP 1992-Older
Johnson/Evinrude Outboard 8 HP 1992-Older
Johnson/Evinrude Outboard 9.9 HP 1992-Older
Johnson/Evinrude Outboard 15 HP 1992-Older

Technical Specifications

Specification Value
Size (L × W × H) 60 mm × 40 mm × 35 mm
Material Metal
Fitment Johnson/Evinrude OMC BRP Marine 2-Cylinder Outboards
HP Range 4.5 HP – 15 HP
Model Years 1977–1992 and older

Package Contents

  • 1 × Fuel Pump
  • 1 × Gasket
  • 2 × Cable Ties

Installation Guide

  1. Disconnect the fuel line from the old fuel pump and ensure the engine is cool and off.
  2. Remove the mounting bolts or screws securing the old pump to the engine block.
  3. Carefully pull the old pump away, noting the position of the actuating arm or pushrod.
  4. Clean the mounting surface on the engine block to ensure a proper seal with the new gasket.
  5. Position the new gasket (included) on the mounting surface, aligning all bolt holes.
  6. Install the new fuel pump, ensuring the actuating arm engages correctly with the cam or pushrod.
  7. Hand-tighten the mounting bolts first, then torque to manufacturer specifications in a crisscross pattern.
  8. Reconnect the fuel lines, securing each connection with the provided cable ties to prevent leaks.
  9. Prime the fuel system by squeezing the primer bulb until firm resistance is felt.
  10. Start the engine and inspect all connections for fuel leaks while idling.
  11. If leaks are detected, shut down immediately and re-tighten connections or check gasket placement.
  12. Perform a short test run to confirm proper fuel delivery and engine performance.

Troubleshooting & FAQ

Q: How do I confirm this fuel pump fits my Johnson or Evinrude engine?
A: Cross-reference your engine's model, HP, and year with the compatibility table above. You can also check your existing pump for one of the OEM part numbers listed (397839, 391638, 395091, 397274) or consult the Johnson serial number guide linked in the Compatible Engine Models section.

Q: What are the signs that my fuel pump is failing?
A: Common symptoms include difficulty starting, engine stalling or sputtering under load, loss of power at higher RPMs, and visible fuel leaks around the pump body. If you notice any of these issues, inspect the pump diaphragm and gasket for wear or damage.

Q: How often should I replace the fuel pump on my outboard?
A: Fuel pumps typically last several seasons, but replacement intervals depend on usage and fuel quality. Inspect the pump annually for cracks, leaks, or diaphragm deterioration, and replace it if performance issues arise or every 3–5 years as preventive maintenance.

Q: Can I install this fuel pump myself, or do I need a marine mechanic?
A: Installation is straightforward for those with basic mechanical skills and tools. However, ensuring proper gasket sealing and correct actuating-arm alignment is critical. If you're unfamiliar with outboard fuel systems, professional installation is recommended.

Q: Does this pump work with both premix and oil-injected Johnson/Evinrude engines?
A: Yes, this fuel pump is compatible with 2-cylinder Johnson/Evinrude engines in both premix and oil-injection configurations within the specified HP and year range. Always verify your engine's fuel delivery setup before installation.

Q: Is this an OEM part or an aftermarket replacement?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

  • Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
  • This product is an aftermarket replacement part and is not an OEM component.
  • Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

  • Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
  • Fast Global Shipping: Free delivery worldwide in 5–15 days.
  • Direct from Manufacturer: Competitive pricing without compromising quality.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 9570629689

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