Mercury Screw – 10-8M0129747

The Mercury Screw (10-8M0129747) is an OEM-grade fastener built to deliver lasting security and a precise fit in Mercury and MerCruiser marine engines. Whether you’re performing a detailed repair or replacing worn-out hardware, this screw offers the strength and corrosion resistance needed in harsh marine environments. It's a small part that plays a big role in keeping your engine running smoothly.

Key Features

OEM Quality – Manufactured by Mercury for exact fit and dependable performance

Marine-Resistant Materials – Designed to withstand moisture, vibration, and salt exposure

Precision Threading – Ensures tight installation and reduces risk of loosening

No Modifications Needed – Drop-in replacement for compatible assemblies

Trusted by Technicians – A go-to choice for professional marine engine repair

Compatibility

The Mercury Screw – 10-8M0129747 is compatible with a range of Mercury and MerCruiser outboards and sterndrives. Always check your specific engine model or use your serial number to confirm fit before purchase.

Ideal Use Cases

Servicing Mercury engine components requiring fastener replacement

Replacing stripped or corroded screws to maintain structural integrity

Marine repair shops needing OEM parts for engine maintenance

DIYers performing authorized service using factory-spec hardware

Why Genuine Mercury Hardware Matters

Using genuine Mercury fasteners like the 10-8M0129747 ensures consistent torque, secure fit, and peace of mind. Substituting with off-brand screws may compromise engine safety, especially under vibration and marine exposure. OEM hardware helps protect your engine’s performance and longevity.

Frequently Asked Questions

Is this screw suitable for saltwater environments?

Yes, it's made from corrosion-resistant material suitable for use in saltwater and freshwater applications.

How do I confirm if this is the right part for my engine?

Use your Mercury engine’s serial number to verify compatibility or consult the official parts manual.

Is any thread sealant required for installation?

Most applications do not require thread sealant, but refer to your engine’s service manual for torque specs and sealant guidelines.