861636 Volvo Penta Insulating Plate | Genuine Used Part

🔧 Product Description

Genuine Volvo Penta MD-Series Flywheel-Housing Insulating Plate - Part Number: 861636

A genuine used Volvo Penta insulating plate fitted between the engine and flywheel housing on selected MD2010, MD2020, MD2030 and MD2040 diesel engines.

The plate works with insulating bushings and washers to reduce vibration transfer and electrical or galvanic contact through the rear housing and driveline mounting system. It is positioned immediately ahead of flywheel housing 861633 in the factory assembly.

⚙️ Key Features

• Genuine Volvo Penta insulating plate

• Correct Volvo reference 861636

• Used with flywheel housing 861633

• Helps isolate vibration and metal-to-metal contact

• Fits selected MD2010-MD2040 engines

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 861636 current Volvo Penta insulating-plate reference for the applicable MD-series housing

OEM / Related Numbers:

• 861636

• Flywheel housing: 861633

• Guide sleeve: 861647

• Insulating bushing: 861635

• Insulating washers: 861634

• Plain washers: 945583

• Flanged screws: 946470

• Inner flywheel housing: 3580294 or 3580471, depending on engine

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta MD-series flywheel housings

• Saildrive and marine-gearbox adaptor systems

• Engines using rear housing 861633

Typically suits:

• Engine models:

• Volvo Penta MD2010B

• Volvo Penta MD2010C

• Volvo Penta MD2010D

• Volvo Penta MD2020B

• Volvo Penta MD2020C

• Volvo Penta MD2020D

• Volvo Penta MD2030B

• Volvo Penta MD2030C

• Volvo Penta MD2030D

• Volvo Penta MD2040B

• Volvo Penta MD2040C

• Volvo Penta MD2040D

• Associated 120S-D and 120S-E saildrive installations

• HP Range: Approximately 9HP - 40HP

• Engine Type: Two-, three- and four-cylinder marine diesel

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

🔌 Function

The plate creates an insulating barrier within the flywheel-housing mounting assembly, helping reduce vibration transmission, fretting and direct contact between adjoining metal components.

Common signs of failure:

• Plate is cracked, distorted or corroded

• Increased vibration through the gearbox or saildrive

• Housing mounting bolts repeatedly loosen

• Insulating bushings no longer seat correctly

• Metal-to-metal contact marks appear around the housing

• Abnormal noise from the flywheel-housing joint

• Rear housing alignment changes after assembly

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated