Name: Recmar Mercury Outboard Poppet Valve Diaphragm 812887002
Brand: RECAMBIOS
SKU: REC812887002
Price: 6.83 GBP
Availability: InStock

Recmar Mercury Outboard Poppet Valve Diaphragm 812887002

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£6.83

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Recmar Mercury Outboard Poppet Diaphragm

Cooling Pressure-Relief Valve | 812887002

Flexible diaphragm used in the poppet/pressure-relief valve of selected Mercury and Mariner two-stroke outboard cooling systems. It helps the valve respond to cooling-water pressure; it is not an engine thermostat.

FITMENT CHECK: Confirm the poppet-valve diagram and OEM reference. Mercury used different diaphragms across similar horsepower families.

Key Features

Poppet/pressure-relief valve diaphragm
For selected Mercury/Mariner two-stroke outboards
Flexible service replacement for listed reference
Aftermarket Recmar; not genuine Mercury
One diaphragm supplied

Technical Specs

Part type	Poppet valve diaphragm
System	Outboard cooling pressure-relief circuit
Engine type	Selected two-stroke / OptiMax families
Quantity	1 diaphragm
4Boats SKU	REC812887002

Compatibility / Fitment Guide

Engine / system	Application	Required check
Mercury/Mariner 30 & 40 hp	Selected two-cylinder two-stroke models	Commonly from serial 0P325500 onward where 812887002 is listed
Mercury/Mariner 50 / 75 / 90 / 115 hp	Selected three-cylinder two-stroke models	Confirm exact poppet/thermostat mounting diagram
Mercury OptiMax	Selected DFI outboard applications	Use only where serial-specific diagram lists 812887002

Not a MerCruiser inboard part and not the thermostat element. Do not apply to every 30–125 hp Mercury; cylinder count, engine family and serial must match. Other poppet components and seals are not included.

Part Number Cross Reference

Mercury / Mariner	812887002; 812887-1; 8128871
GLM	13809
Recmar / 4Boats SKU	REC812887002

Cross-reference numbers identify compatible applications; verify against the serial-specific engine diagram.

Frequently Asked Questions

Is this the thermostat?
No. It is the flexible diaphragm in the poppet/pressure-relief valve.

Is it for MerCruiser?
No. The verified applications are Mercury/Mariner outboards.

Will it fit every 90 hp Mercury?
No. Confirm engine family, cylinder count and serial diagram.

What is included?
One diaphragm; valve body, spring, thermostat and other seals are separate.

Before ordering: locate 812887002 in the engine's poppet/thermostat mounting diagram.

For the products under £150 the shipping is £6.99.

Free delivery for most items over £150.

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Recmar Mercury Outboard Poppet Valve Diaphragm 812887002