11030155 Plastic Plug | Genuine Volvo Penta Part

🔧 Product Description

This is a genuine Volvo Penta plastic plug from the cooling system group, used to seal an unused port or drilling in the coolant circuit. It maintains a sealed, pressure-tight coolant system by closing off passages that are not in service on a given engine build. The plug is a lightweight moulded item at approximately 4.5 grams net weight.

🚤 Compatibility

Typically suits:

• Volvo Penta TWD1240VE
• Volvo Penta TWD1643GE
• Volvo Penta TWD1652GE
• Volvo Penta TWD1653GE
• Volvo Penta TD164KAE
• Volvo Penta TWD1644-45GE
• Volvo Penta TWD1663GE
• Volvo Penta TWD1682-83GE
• Volvo Penta TWD1683GE-B
• Volvo Penta TWD1672-1673GE
• Volvo Penta TWD1744GE

• Engine Family: TWD, TD
• HP Range: Approximately 500-800 HP
• Year Range: Approximately 1990s - 2010s

⚙️ Key Features

• OEM Volvo Penta part number 11030155
• System group: Cooling System
• Net weight: 0.0045 kg
• Fits TWD and TD series industrial and generator-set diesel engines
• Supplied as a single plug
• Engine type: Volvo Penta inline 6-cylinder 16-litre diesel
• 2 used per assembly

🔌 Function

Seals an unused opening or coolant passage within the engine cooling circuit to prevent coolant loss and maintain system pressure. It keeps dirt and debris out of the port it closes.

⚠️ Common Signs of Failure

• Coolant seepage or dripping from around the plug
• Cracked, split or brittle plastic from age and heat cycling
• Loose or poorly retained plug that will not stay seated
• Loss of cooling system pressure or repeated need to top up coolant
• Distortion or deformation of the plug body preventing a proper seal

🛠️ Service Notes

• Tighten a plastic plug by hand or with light tool pressure only — the thread or the head will strip or crack long before it reaches the sort of figure a metal fastener would take
• Where the plug seals a fluid or holds pressure, fit the new sealing washer or ring that belongs with it and check the seat in the casting is clean and undamaged, rather than curing a weep by overtightening
• Renew rather than reuse any plug that is cracked, crazed, distorted or has a damaged head; plastic embrittles with heat and age
• Keep fuel, oil and strong solvents off plastic plugs, and check any plug is fully home and secure after work nearby

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 11032164 - Related water-pump assembly
• 22331121 - Later / related water-pump assembly
• 11030740 - Related impeller
• 11030742 - Related spacer ring
• 11030743 - Related shaft
• 11030662 - Related retaining ring
• 11030663 - Related spacer ring
• 1675763 - Related bearing
• 1676432 - Related sealing ring

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging