882568 Mercruiser Injector Pipe | Genuine Used Part

🔧 Product Description

Genuine MerCruiser 1.7L Diesel Nozzle Leak-Off Pipe - Part Number: 882568

A genuine used diesel fuel-return pipe for MerCruiser and Cummins MerCruiser 1.7L Isuzu-based engines.

Mercury describes 882568 as a nozzle leak-off fuel pipe rather than a high-pressure injector line. It works with pipe 882437 to collect excess diesel from the injectors and return it to the low-pressure fuel circuit.

⚙️ Key Features

• Genuine MerCruiser nozzle leak-off pipe

• Correct Mercury reference 882568

• Companion to return pipe 882437

• Connects the mechanical injector return circuit

• Factory-formed for the 1.7L diesel cylinder head

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 882568 Mercury nozzle leak-off pipe reference

OEM / Related Numbers:

• 882568

• Companion pipe: 882437

• Injector nozzle: 882555

• Injector leak-off gasket: 882497

• Return hose: 882600

• Pipe clips: 882737 and 882738

• Injection pipes: 882733 through 882736

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• MerCruiser D1.7L DTI sterndrive engines

• Cummins MerCruiser CMD 1.7 MI inboard engines

• Mechanical four-injector diesel fuel systems

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 turbo-diesel

• Year Range: Approximately late-1990s through mid-2000s

🔌 Function

The pipe carries injector leakage and cooling fuel away from the nozzle assemblies and into the return circuit.

Common signs of failure:

• Diesel leaking around the injector return fittings

• Air enters the fuel-return circuit

• Strong diesel smell

• Pipe is cracked or bent

• Sealing washers no longer seal

• Fuel collects around the injectors

• Vibration causes the pipe to fracture

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated