Outboard Engine Flush Kit – Fits Mercury, Suzuki & Yamaha Engines (Replaces OEM Flush Port)

Outboard Engine Flush Kit – Fits Mercury, Suzuki & Yamaha Engines (Replaces OEM Flush Port)

This outboard engine flush kit provides a durable, convenient replacement for the standard OEM flush port on a wide range of Mercury, Suzuki, and Yamaha 4-stroke engines. It allows for a quick and secure connection to a standard garden hose, simplifying routine engine flushing.

Engine compatibility includes Mercury (75-500HP 4-Stroke), Suzuki (8-350HP 4-Stroke), and Yamaha (8-425HP 4-Stroke, excluding 115HP models). This kit directly replaces Mercury part 22-888958001 and Suzuki parts 17913-93J00 / 17914-93J01.

• Installation Method: Replaces the factory flush port permanently for quick-connect access.
• Durable Construction: Made from UV-resistant Acrylonitrile Butadiene Styrene (ABS) plastic.
• Connection Type: Features a quick-connect nipple valve for the engine and a female coupler for a standard garden hose.

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 Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Confirm your engine model/year in the table below. For Suzuki owners, You can review exploded diagrams here to verify part numbers: Suzuki Parts Diagrams & Catalog.

Confirm your engine model/year in the table below. For Yamaha owners, here’s a guide to help you identify your engine’s serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.

Technical Specifications

Package Contents

• 1 x Male Nipple Valve (Outboard Engine Quick Connect Flush Kit)
• 1 x Female Quick-Connect Coupler (fits standard garden hose)

Installation Guide

1. Locate and carefully remove the factory-installed flush plug from your outboard engine cowling.
2. Clean the port area to ensure it is free of dirt, salt, and debris for a proper seal.
3. Thread the Male Nipple Valve into the engine's flush port. Hand-tighten until snug.
4. Attach the Female Quick-Connect Coupler to a standard garden hose.
5. To flush, simply snap the hose coupler onto the male valve on the engine. Ensure it clicks securely into place.
6. Turn on the water supply. Follow your engine manufacturer’s specific instructions for flushing duration and procedure.

Troubleshooting & FAQ

Q: How do I confirm this flush kit will fit my specific engine model?
A: Please check the "Compatible Engine Models" table on this page. We list compatible series and horsepower ranges for Mercury, Suzuki, and Yamaha. Cross-reference the OEM part number (e.g., Mercury 22-888958001 or Suzuki 17913-93J00) with your engine's service manual to ensure an exact match.

Q: What is the benefit of this kit compared to the original factory plug?
A: This kit replaces the screw-in plug with a quick-connect system. This makes the process of flushing your engine faster and more convenient, as you can simply snap the hose on and off without threading and unthreading a plug each time.

Q: Is the installation permanent, or do I need to remove it after flushing?
A: The male nipple valve is designed to permanently replace the factory flush port plug. It remains on the engine, providing a ready-to-use connection point for future flushing.

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.