882599 Mercruiser Fuel Filter Sensor Assy | Genuine Used Part

🔧 Product Description

Genuine MerCruiser Diesel Fuel Filter Sensor Assembly - Part Number: 882599

A genuine Mercury MerCruiser and Cummins MerCruiser Diesel sensor fitted to the engine-mounted fuel filter on selected 1.7-litre DTI, MI and MS diesel engines.

The sensor detects water collected in the fuel-filter bowl and allows the engine warning system to alert the operator before contaminated fuel reaches the injection pump and injectors.

⚙️ Key Features

• Genuine Mercury MerCruiser Diesel component
• Correct part number 882599
• Fuel-filter water-detection sensor
• Protects the diesel injection system from water contamination
• Designed for the Isuzu-based 1.7L marine diesel platform

🚤 Compatibility

Commonly used on

• MerCruiser and CMD 1.7-litre diesel fuel-filter assemblies
• Alpha-drive and marine-inboard diesel installations

Typically suits

• Engine models:
• MerCruiser 1.7L DTI Alpha
• CMD 1.7 MI 120
• CMD 1.7 MS 120
• 1.7L DTI serial 0M055000-0M999999
• 1.7 MI 120 serial 88109041 and above
• 1.7 MS 120 serial 8810800 and above
• Model families 4V71222ND, 4V71222PD and 4V71222TD
• HP Range: Approximately 120HP
• Engine Type: Isuzu-based inline-four turbocharged marine diesel
• Year Range: Approximately early-to-mid 2000s

🔌 Function

Electrical probes within the sensor detect the change in conductivity caused by water accumulating in the filter bowl. When the water reaches the sensing point, the circuit activates the water-in-fuel warning.

⚠️ Common Signs of Failure

• Water-in-fuel warning remains active with a clean filter
• Warning does not activate when water is present
• Corroded or damaged electrical terminals
• Fuel or water leaks around the sensor seal
• Sensor wires are broken, shorted or contaminated

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 882599 original fuel-filter sensor assembly
• Part is discontinued in several Mercury service catalogues

OEM / Related Numbers

• 882599
• 882584 related fuel-filter assembly
• 882421 sensor-to-filter-case gasket
• 882376 earlier fuel-filter element
• 8M0150911 replacement fuel-filter element

Aftermarket / Verified Equivalents

• Specialist replacement or reclaimed 882599 sensor assembly
• Racor replacement water-in-fuel sensors may suit custom filter conversions but are not direct plug-in replacements
• No direct complete aftermarket sensor equivalent

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated