Description
Mercury 86596T Poppet Valve
The Mercury 86596T poppet valve is a genuine Mercury part used in compatible Mercury outboard cooling-system applications where this part number is specified. Confirm fitment by serial number, parts diagram, owner’s manual, or service manual before ordering.

Key Features
- Genuine Mercury part for cooling-system service
- Direct replacement for applications that specify part number 86596T
- Designed to help maintain proper cooling-system pressure and water flow where applicable
- Suitable for Mercury outboard service work when confirmed by serial-number parts lookup
Fitment / Product Details
- Brand: Mercury
- Part number: 86596T
- Product type: poppet valve
- Application: compatible Mercury outboard cooling-system assemblies where 86596T is specified
- Fitment must be confirmed by engine serial number or an official parts diagram before purchase
What’s Included
- One Mercury 86596T poppet valve
Why You Should Buy
- Helps replace worn or damaged cooling-system valve components during service
- OEM Mercury construction for proper fit in specified applications
- Useful for cooling-system repairs when your parts diagram calls for 86596T
Common Applications
- Mercury outboard cooling-system repairs
- Poppet valve replacement during water pressure or cooling-system service
- Use only on engines and assemblies that specify Mercury 86596T
FAQ
- Is this an OEM Mercury part? Yes. This listing is for a genuine Mercury part.
- Does this fit all Mercury outboards? No. Use only where part number 86596T is specified for your engine.
- How should I confirm fitment? Match the part number to your serial-number parts diagram, owner’s manual, or service manual.
- Need help confirming fitment? Contact us before ordering and our parts team can help verify compatibility: Ask a Parts Pro.

