20412553 Plastic Plug | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Cylinder Block Plastic Blanking Plug - Part Number: 20412553

Genuine Volvo Penta lightweight plastic blanking plug used in cylinder-block casting and service openings on selected TD6 and TWD6 / TD7 mechanical engines. It protects an unused or manufacturing opening from dirt and moisture.

⚙️ Key Features

• Plastic protective or blanking plug

• Function group identifies the cylinder-block assembly

• Confirmed fitment on older TD610M, TD630ME, TWD630ME, TD730ME and TWD730ME engines

• Very low-mass service plug

• Must match the original opening diameter and position

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20412553 - current Volvo Penta plastic-plug reference

OEM / Related Numbers:

• Cylinder-block opening and installation position are engine-specific

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta cylinder-block blanking and protective openings

Typically suits:

• Engine / equipment models:

• TD610M

• TD630ME

• TWD630ME

• TD730ME

• TWD730ME

• Engine Type: Volvo Penta 6- and 7-litre mechanical diesel

• Year / Serial Range: Cylinder-block casting and schematic-position dependent

🔌 Function

Closes or protects an unused cylinder-block opening against dirt, water and foreign material.

Common signs of failure:

• Plug missing from the opening

• Cracked or heat-damaged plastic

• Loose fit in the bore

• Oil or coolant contamination around the opening

• Debris entering the engine casting

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging