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882437 Mercruiser Fuel Leak Off Pipe | Genuine Used Part

882437 Mercruiser Fuel Leak Off Pipe | Genuine Used Part

$70.00 AUD
$70.00 AUD
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🔧 Product Description

Genuine MerCruiser 1.7L Diesel Injector Leak-Off Pipe - Part Number: 882437

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

The pipe forms part of the injector nozzle leak-off circuit. It collects excess diesel from the mechanical injector assemblies and returns it through the low-pressure side of the fuel system.

⚙️ Key Features

  • Genuine MerCruiser diesel leak-off pipe
  • Correct Mercury reference 882437
  • Connects the injector nozzle return circuit
  • Designed for the Isuzu-based 1.7L diesel
  • Used with injectors 882555 and companion return pipe 882568

🚤 Compatibility

Commonly used on

  • MerCruiser D1.7L DTI sterndrive engines
  • Cummins MerCruiser CMD 1.7 MI inboard engines
  • Isuzu-based mechanical diesel injection 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 MS 120 installations using the same injection system
  • 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 the small quantity of diesel that bypasses the injector nozzle assemblies back into the fuel-return circuit.

⚠️ Common Signs of Failure

  • Diesel leakage around an injector
  • Strong diesel smell in the engine compartment
  • Air enters the return circuit
  • Pipe is cracked or vibration-fatigued
  • Banjo or sealing washers leak
  • Engine becomes difficult to bleed after service
  • Fuel collects around the cylinder head

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 882437 original Mercury nozzle leak-off pipe reference

OEM / Related Numbers

  • 882437
  • Companion leak-off pipe: 882568
  • Injection nozzle: 882555
  • Leak-off gasket: 882497
  • Injector gasket: 882488
  • Injector seal gasket: 882418
  • Return hose: 882600
  • Pipe clip: 882737
  • Pipe clip: 882738

Aftermarket / Verified Equivalents

  • No aftermarket equivalent

📦 Condition

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