882586 Mercruiser Turbo Air Duct | Genuine Used Part

🔧 Product Description

Genuine MerCruiser 1.7L Diesel Turbocharger Air Duct - Part Number: 882586

A genuine used turbocharger air duct for MerCruiser and Cummins MerCruiser Diesel 1.7L 120HP engines.

This compact duct forms part of the turbocharger air path and connects the compressor-side intake or charge-air components. It is a separate component from the larger intake-turbo duct 882558.

⚙️ Key Features

• Genuine Mercury MerCruiser turbocharger air duct
• Correct part number 882586
• Used on 1.7L 120HP marine diesel engines
• Engine-specific moulded charge-air component
• Obsolete genuine OEM part

🚤 Compatibility

Commonly used on

• MerCruiser D1.7L DTI turbocharger systems
• CMD 1.7L MI and MS 120 engines
• Isuzu-derived 1.7L marine diesel charge-air systems

Typically suits

• MerCruiser D1.7L DTI
• CMD 1.7 MI 120
• CMD 1.7 MS 120
• Serial-numbered applications whose turbocharger diagram specifies 882586
• HP Range: 120HP
• Engine Type: 1.7L inline-four turbocharged diesel
• Fitment Requirement: Confirm turbocharger orientation, hose sizes and clamps

🔌 Function

The duct routes intake or compressed air at the turbocharger while maintaining the designed airflow path and hose alignment.

⚠️ Common Signs of Failure

• Cracked duct
• Loss of boost pressure
• Hissing or whistling
• Oil residue at leaking joints
• Hose or clamp no longer fitting securely

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 882586 final verified Mercury air-duct reference
• Part is no longer produced
• No confirmed direct supersession

OEM / Related Numbers

• 882586
• Mercury description: Duct, Air, Turbocharger
• 882558 related intake-turbo duct
• 882553 related intake manifold
• 882577 related boost hose
• 882578 related intake hose
• Turbocharger-system diagram reference

Aftermarket / Verified Equivalents

• No direct aftermarket replacement
• Used genuine 882586 ducts are the closest replacement
• Custom fabricated pipework may alter fit, vibration isolation and airflow and is not a direct equivalent

📦 Condition

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