Mercury – Form a Gasket – 92-725921

The Mercury Form a Gasket – 92-725921 is a high-performance sealing solution designed to create a strong, durable bond between mating surfaces in marine engines and components. Formulated by Mercury for marine environments, this compound ensures leak-free performance where pre-cut gaskets aren't practical or available.

Key Features

OEM-Approved Sealant – Designed specifically for Mercury marine applications

Creates a Flexible, Long-Lasting Seal – Ideal for irregular or uneven surfaces

Resists Oil, Fuel, and Coolant – Stands up to harsh marine chemicals and fluids

Cures Quickly – Sets fast to reduce downtime during repairs or assembly

Non-Hardening Formula – Remains pliable to accommodate heat and vibration

Compatibility

The Mercury 92-725921 Form a Gasket is compatible with a wide range of Mercury and MerCruiser engines and marine systems. It’s ideal for sealing flanges, threads, and other components where a custom gasket seal is required. Always refer to your Mercury service manual to confirm the appropriate use of this compound.

Ideal Use Cases

Sealing non-machined or uneven surfaces in marine engines

Filling gaps between parts where standard gaskets don’t fit

Preventing oil, fuel, or coolant leaks during assembly or maintenance

Supplementing OEM gaskets in high-stress applications

Why Proper Sealing Matters

Leaks in a marine engine aren’t just inconvenient—they can cause serious mechanical damage or pose safety risks. The Mercury – Form a Gasket – 92-725921 provides a reliable, OEM-backed solution for sealing challenging surfaces. It’s specifically engineered to withstand the demanding conditions of marine operation, giving you peace of mind on the water.

Frequently Asked Questions

Can I use this in place of any gasket?

It’s best used when no pre-cut gasket is available or when surfaces are irregular. Always follow Mercury’s guidelines for safe substitution.

Is it safe for use with fuel systems?

Yes, this compound resists fuel, oil, and coolant—making it suitable for many engine and fuel system applications.

How do I apply Mercury Form a Gasket – 92-725921?

Clean both surfaces thoroughly, apply a thin, even layer of the sealant, and allow it to cure as directed. Avoid overapplying, as excess material can affect sealing performance.

• Supersessions
  92-28804, 92-809834, 92-809834