Carburetor Service Valve Kit – Fits Johnson/Evinrude Outboard Engines (Replaces 175158, 437228)

Carburetor Service Valve Kit – Fits Johnson/Evinrude Outboard Engines

This carburetor service valve kit is designed for a wide range of Johnson/Evinrude 2-stroke outboard engines equipped with a primer valve system. It provides a reliable solution for maintaining and servicing the carburetor, ensuring proper fuel delivery and engine performance. Please note, this kit does not fit 1993 9.9HP & 15HP models.

This kit serves as a direct replacement for multiple OEM and aftermarket part numbers, including Johnson/Evinrude 175158 (Service Valve) and 437228 (Cover & Gasket Assembly). It also replaces Sierra part numbers 18-7044 and 18-7044-1, as well as Johnson/Evinrude 341297, 341071, and 331365.

• Direct Replacement: Installs into the OEM primer valve system without modification.
• Enhanced Serviceability: Allows for the injection of engine tuner and fogging oil through the primer valve while maintaining full primer functionality.
• Complete Kit: Includes the service valve with a pre-installed O-ring and the cover with a gasket assembly for a complete repair.

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

• 1 x Service Valve with O-ring (Replaces 175158, 331365, 126341)
• 1 x Cover and Gasket Assembly (Replaces 437228, 341071, 333448, 371297)

Installation Guide

1. Safety First: Ensure the engine is turned off and cool. Disconnect the battery and the fuel supply line to prevent accidents.
2. Locate the Primer Valve: Identify the existing primer valve assembly on the carburetor or intake manifold.
3. Remove Old Components: Carefully unscrew and remove the old primer valve cover, gasket, and the service valve itself. Take note of the orientation of all parts.
4. Clean the Surface: Thoroughly clean the mounting surface where the new gasket will sit. Remove any old gasket material or debris to ensure a proper seal.
5. Install New Valve: Insert the new service valve, making sure its O-ring is correctly seated and intact.
6. Position Gasket and Cover: Place the new gasket followed by the new cover over the valve.
7. Secure and Test: Tighten the cover screws evenly. Reconnect the fuel line and battery, then test the primer system to check for leaks and proper function.

Troubleshooting & FAQ

Q: How can I be sure this kit fits my Johnson/Evinrude engine?
A: This kit fits most Johnson/Evinrude 2-stroke outboards with a primer valve system. Please check the compatibility table on this page to confirm your specific model and year range. It is important to note that it specifically does not fit 1993 9.9HP and 15HP models.

Q: What is the purpose of this service valve?
A: This valve not only functions as part of the primer system but also allows for the easy injection of engine tuner and fogging oil directly into the system. This simplifies maintenance and winterization procedures.

Q: The red cap on the new valve looks different from my original part. Is this normal?
A: Yes, aftermarket parts may have minor cosmetic differences, such as the color or shape of the cap, but are functionally equivalent. This kit is designed to meet or exceed OEM specifications for fit and performance.

Q: OEM vs. Aftermarket?
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.