881446T Mercury Body | Genuine Used Part

🔧 Product Description

Genuine Mercury Mariner Idle Air Control Valve Body - Part Number: 881446T

A genuine used Mercury Mariner idle-air-control valve body for Yamaha-derived 115HP EFI four-stroke outboards.

The body is installed in the intake assembly and houses the related idle-control valve and filter components. It provides the calibrated bypass-air passage used by the engine-control system to stabilise idle speed.

⚙️ Key Features

• Genuine Mercury Marine OEM control-valve body
• Correct Mercury part number 881446T
• Used in the 115 EFI four-stroke intake manifold
• Works with valve 881447T and filter 35-881501T
• Direct-fit housing for the Yamaha-derived Mercury intake system

🚤 Compatibility

Commonly used on

• Mercury and Mariner 115 EFI four-stroke idle-air systems
• Yamaha-derived 1.7L inline four-cylinder intake assemblies

Typically suits

• Engine models:
• Mercury / Mariner 115 EFI four-stroke - serial 0T178500 to 0T800999
• Mercury / Mariner 115 EFI four-stroke - serial 0T801000 to 1B226999
• Mercury / Mariner 115 EFI four-stroke - serial 1B227000 to 1B366822
• HP Range: 115HP
• Engine Type: Mercury / Mariner Yamaha-derived inline four-cylinder EFI four-stroke outboard
• Year Range: Approximately 2001 - 2006

🔌 Function

The body routes controlled bypass air around the closed throttle plates. The installed control valve varies this airflow to maintain starting speed, warm-up idle and stable idle under changing electrical or gear loads.

⚠️ Common Signs of Failure

• Bypass passage is blocked by oil or carbon deposits
• Valve bore is damaged or corroded
• O-ring leaks unmetered air
• Engine stalls or surges at idle
• Idle speed remains too high or too low

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 881446T current Mercury OEM service reference

OEM / Related Numbers

• 881446T
• 881446
• 881447T related control valve
• 25-881448 related O-ring
• 35-881501T related air filter
• 880886T related manifold
• 881440T1 / 881440T2 related intake assemblies

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

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