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882552 Mercruiser Air Duct | Genuine Used Part

882552 Mercruiser Air Duct | Genuine Used Part

$150.00 AUD
$150.00 AUD
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🔧 Product Description

Genuine MerCruiser 1.7L Diesel Upper Air Duct - Part Number: 882552

A genuine used upper intake-air duct for MerCruiser and Cummins MerCruiser 1.7L Isuzu-based diesel engines.

The duct forms the upper section of the engine's two-piece air-routing assembly and mates with lower duct 882551. Together, the ducts guide air through the charge-air cooler and into the intake manifold. Mercury parts catalogues identify 882552 as the upper air duct.

⚙️ Key Features

  • Genuine MerCruiser upper air duct
  • Correct Mercury reference 882552
  • Mates with lower duct 882551
  • Factory-moulded for the 1.7L diesel engine
  • Protects and controls the cooled-air intake path

🚤 Compatibility

Commonly used on

  • MerCruiser D1.7L DTI sterndrive engines
  • Cummins MerCruiser CMD 1.7 MI engines
  • Isuzu-based 1.7L turbo-diesel intake systems

Typically suits

  • Engine models:
  • MerCruiser D1.7L DTI
  • Cummins MerCruiser CMD 1.7 MI 120
  • MerCruiser 1.7 MI 120
  • MerCruiser 1.7 MS 120
  • Engines whose intake-manifold diagram specifies 882552
  • HP Range: Approximately 120HP
  • Engine Type: Inline four-cylinder turbo-diesel
  • Year Range: Approximately late-1990s through mid-2000s

🔌 Function

The upper duct completes the sealed air passage between the cooler and intake manifold, helping preserve charge-air temperature and airflow.

⚠️ Common Signs of Failure

  • Upper duct is cracked
  • Joint with lower duct 882551 leaks
  • Engine performance falls under boost
  • Duct has oil residue around a split or loose connection
  • Mounting points are broken
  • Duct contacts nearby brackets
  • Dirt enters the intake system
  • Duct becomes distorted from heat

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 882552 Mercury upper air-duct reference
  • No verified later supersession

OEM / Related Numbers

  • 882552 - upper air duct
  • 882551 - lower air duct
  • Mounting bracket: 882583
  • Mounting brackets: 882609
  • Retaining pin: 882728
  • Associated hose and air-cooler components vary by engine serial number

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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