Carburetor Repair Kit – Fits Johnson/Evinrude 6-20 HP Outboards (Replaces 439073, 398508, 431897)

Carburetor Repair Kit – Fits Johnson/Evinrude 6-20 HP Outboards (Replaces 439073, 398508, 431897)

This comprehensive carburetor repair kit is designed for a wide range of Johnson and Evinrude outboard engines, including 6-8 HP (1986-1997), 9.9-15 HP (1987-2001), and 20 HP (1991-1997) models. It provides the essential components needed to restore your carburetor to optimal performance, addressing common issues like poor idling, stalling, and fuel leaks.

This kit is a direct replacement for multiple OEM and aftermarket part numbers, including Johnson/Evinrude 398230, 398508, 431897, 436359, 438397, 436824, and 439073; Sierra 18-7219; GLM 40600; Mallory 9-37109; and EMP 1300-08691.

• Complete Service Kit: Contains a needle/seat assembly, float bowl gasket, and all necessary seals to perform a full carburetor rebuild.
• Direct Replacement Fit: Engineered to meet or exceed OEM specifications for a direct, hassle-free installation.
• Fuel Compatibility: Designed for use with gasoline fuel systems.

Part Number Cross-Reference

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

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/Evinrude Serial Number Guide.

Technical Specifications

Package Contents

This kit includes:

• 1 x Float Bowl Gasket (Replaces 18-2579)
• 1 x Needle & Seat Assembly (Replaces 18-7094)
• Kit also contains all necessary gaskets, O-rings, and seals for a standard carburetor service.

Installation Guide

1. Disconnect the battery and fuel lines in a well-ventilated area. Safety first.
2. Carefully remove the carburetor from the engine, taking photos or notes of linkage and hose connections.
3. Disassemble the carburetor on a clean workbench, organizing parts to ensure correct reassembly.
4. Use a quality carburetor cleaner to clean all metal components thoroughly. Do not spray cleaner on non-metal parts.
5. Carefully remove all old gaskets and seals, taking care not to scratch any metal mating surfaces.
6. Install the new needle and seat assembly from the kit. Ensure the float height is set to manufacturer specifications.
7. Replace the float bowl gasket and all other included gaskets and seals.
8. Reassemble the carburetor, checking that all components move freely and are seated correctly.
9. Reinstall the rebuilt carburetor onto the engine, reattaching all linkages and fuel lines.
10. Reconnect the battery, prime the fuel system, and carefully check for any fuel leaks before starting the engine.

Troubleshooting & FAQ

How do I confirm this kit fits my specific Johnson or Evinrude engine?
Verify your engine's model number and year against the comprehensive 'Compatible Engine Models' table above. You can also use our Johnson/Evinrude serial number guide to find your model details. Cross-referencing the OEM part number (e.g., 439073) is the most reliable method to ensure a perfect fit.

What are common signs that my carburetor needs this repair kit?
Symptoms include rough idling, stalling at low speeds, difficulty starting, engine hesitation upon acceleration, or black smoke from the exhaust. Fuel leaks around the carburetor body or bowl are also a clear indicator that the internal gaskets and seals have failed and need replacement.

How often should a carburetor be rebuilt?
For most recreational boaters, we recommend rebuilding the carburetor every 2-3 seasons or every 200-300 hours of operation. If you frequently use ethanol-blended fuel or if the engine sits for long periods, more frequent service may be necessary to prevent performance degradation.

Is anything else needed for the installation?
This kit contains the essential components for a standard rebuild. You will also need basic hand tools, a can of quality carburetor cleaner spray, and a clean, organized workspace. No specialized tools are typically required for this job.

OEM vs. Aftermarket?
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.

How fast do you ship and how much does it cost?
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.

What is your warranty and return policy?
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.