882555 Mercruiser Injector Assy | Genuine Used Part

🔧 Product Description

Genuine MerCruiser 1.7L Diesel Mechanical Injector Nozzle - Part Number: 882555

A genuine used mechanical diesel injector assembly for MerCruiser and Cummins MerCruiser 1.7L Isuzu-based marine engines.

Four injector assemblies are installed, with one nozzle supplying each cylinder. The injector opens at a calibrated mechanical pressure and atomises diesel directly into the combustion chamber.

⚙️ Key Features

• Genuine MerCruiser mechanical injector nozzle
• Correct Mercury reference 882555
• One injector required per cylinder
• Four injectors used per engine
• Suits the 1.7L Isuzu-based marine diesel

🚤 Compatibility

Commonly used on

• MerCruiser D1.7L DTI fuel systems
• Cummins MerCruiser CMD 1.7 MI fuel systems
• Isuzu-based 120HP marine diesel engines

Typically suits

• Engine models:
• MerCruiser D1.7L DTI - serial 0M055000 through 0M999999
• Cummins MerCruiser CMD 1.7 MI 120 - serial 88109041 and up
• MerCruiser 1.7 MI 120
• MerCruiser 1.7 MS 120
• HP Range: Approximately 120HP
• Engine Type: 1.7L inline four-cylinder mechanical direct-injection turbo-diesel
• Year Range: Approximately late-1990s through mid-2000s

🔌 Function

The injector receives a timed high-pressure diesel pulse from the injection pump and atomises the fuel into the combustion chamber.

⚠️ Common Signs of Failure

• Difficult cold starting
• Rough idle or one-cylinder misfire
• Excessive white, grey or black smoke
• Diesel knock
• Reduced engine power
• Injector nozzle drips rather than atomises
• Incorrect opening pressure
• Fuel leaks around the injector body
• Excessive return-fuel flow

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 882555 Mercury injector / nozzle assembly reference

OEM / Related Numbers

• 882555
• Injector retaining screw: 882498
• Leak-off gasket: 882497
• Injector gasket: 882488
• Injector sealing gasket: 882418
• Leak-off pipe: 882437
• Companion return pipe: 882568
• Injection pipes: 882733, 882734, 882735 and 882736

Aftermarket / Verified Equivalents

• Replacement and remanufactured injector assemblies marketed under Mercury 882555
• Isuzu-based 1.7L marine diesel injector rebuild services
• No independently verified Bosch, Denso or Delphi direct number

📦 Condition

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