Mercury Screw – 10-4009545

Secure your engine components with confidence using the Mercury Screw (Part #10-4009545). This genuine OEM fastener is designed to deliver a perfect fit, long-lasting durability, and corrosion resistance in marine environments. Whether you're performing routine maintenance or replacing worn hardware, this factory-grade screw keeps your Mercury engine firmly assembled and running smoothly.

Key Features

OEM-Certified Fit – Manufactured to Mercury’s exact standards for seamless integration

Marine-Grade Durability – Engineered to withstand vibration, torque, and saltwater exposure

Precision Threading – Ensures a tight and secure hold without stripping

Anti-Corrosion Finish – Protects against rust and seizing in harsh environments

Direct Replacement – No modifications needed—simply remove and replace

Compatibility

The Mercury Screw – 10-4009545 is designed for use with a variety of Mercury and MerCruiser engine assemblies. Check your service manual or consult with PartsVu’s support team using your engine serial number to verify fitment.

Ideal Use Cases

Replacing stripped, corroded, or missing screws on Mercury outboards or inboards

Restoring factory-tight seals and torque on components like housings and brackets

Keeping a few on hand for emergency repairs or full engine overhauls

Routine part of an annual service kit to ensure hardware integrity

Why Fastener Integrity Matters

Even a small component like the Mercury Screw – 10-4009545 plays a critical role in keeping your engine safe and reliable. Loose or corroded screws can lead to leaks, misalignments, and long-term mechanical damage. Using genuine Mercury parts ensures every connection is tight and trustworthy—so your time on the water remains worry-free.

Frequently Asked Questions

How can I confirm this is the correct screw for my engine?

Check your existing screw’s part number or provide your engine’s serial number to PartsVu for verification.

Is this screw made from stainless steel?

Yes, it features a corrosion-resistant finish suited for marine use, including saltwater environments.

Can I use this screw for non-Mercury applications?

While it may physically fit other machines, it’s engineered specifically for Mercury models. For best results, use only as intended.

• Supersessions
  10-40011153, 10-40011153, 10-4010745