Description
Product Overview
The Mercury Marine valve cover grommet is engineered to deliver a secure seal for marine engine valve covers. Constructed from robust, heat‑resistant material, it resists corrosion and wear in demanding aquatic conditions. With dimensions of 4 x 4 x 4 inches and a weight of just one pound, the grommet is lightweight yet sturdy, ensuring a perfect fit for the specified manufacturer part number 25-889724.
Usage
Designed for boat owners, marine technicians, and DIY enthusiasts, this grommet is ideal for routine maintenance, engine rebuilds, and emergency repairs on recreational and commercial vessels. It performs reliably in both freshwater and saltwater environments, providing peace of mind during long voyages or daily outings.

Why Choose Us
Choosing this Mercury Marine grommet guarantees OEM‑level quality and compatibility. Each unit undergoes strict quality control to meet marine industry standards, ensuring durability and a leak‑free seal. Our commitment to precise engineering reduces downtime and maintenance costs for boat operators.
Key Features
- OEM‑approved fit for Mercury Marine valve covers
- High‑temperature, corrosion‑resistant material
- Lightweight design for easy handling and installation
- Precise dimensions ensure a secure, leak‑proof seal
- Ideal for both professional marine service and DIY repairs
FAQ
Is this grommet compatible with all Mercury Marine engines?
The grommet is designed for valve covers that match part number 25-889724. Verify your engine model to ensure compatibility.
What tools are needed for installation?
Installation typically requires basic hand tools such as a screwdriver and a pry tool. No specialized equipment is necessary.
Can this gromlet be used in saltwater environments?
Yes, the material is formulated to resist corrosion from both freshwater and saltwater, making it suitable for all marine conditions.
How does this grommet improve engine performance?
By providing a tight seal, it prevents oil and coolant leaks, maintaining proper engine pressure and reducing wear.
What is the warranty on this product?
The grommet comes with a limited one‑year warranty covering manufacturing defects.




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