Mercury

Mercury Diaphragm Assembly (110HP-300HP DFI OptiMax TwoStroke) 804533

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SKU:: 804533
UPC:: MERCURY OEM DIAPHRAGM ASSY, 8045
MPN:: 804533
Availability:: Usually Ships within 24hours
Weight:: 1.90 Ounces
Shipping:: Calculated at Checkout

MSRP: $190.99

$162.49

— You save $28.50

Not sure if this part fits your engine?
Call our Marine Specialists at (727) 596-5929 or fill out a Contact Form .

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Description
Warranty Information

Description

The Mercury Diaphragm Assembly (110HP-300HP DFI OptiMax TwoStroke) 804533 is a genuine Mercury OEM fuel system component designed for select Mercury DFI OptiMax outboards.

Compatible With The Following DFI OptiMax TwoStroke:

Mercury 110HP
Mercury 135HP
Mercury 150HP
Mercury 175HP
Mercury 200HP
Mercury 225HP
Mercury 250HP
Mercury 300HP

This diaphragm assembly is used within the fuel rail system and helps maintain proper fuel delivery and engine performance. A worn or damaged diaphragm can contribute to fuel system issues, poor engine operation, or reduced performance.

Manufactured from durable materials and tested for demanding marine environments, genuine Mercury parts help ensure proper fitment, dependable performance, and compatibility compared to aftermarket alternatives.

To confirm compatibility, contact our team with your engine serial number at (727) 596-5929 before ordering.

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Warranty Information

This product is covered under the manufacturer’s limited warranty when applicable. Warranty coverage varies by manufacturer and product type. Please review our Warranty Coverage & Product Protection page for full details.

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Shipping options, return information, warranty coverage, and fitment assistance available.