78490162 Valve Housing | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta valve housing from the Inlet and Exhaust System group for engines from serial number 2016113687 onwards, weighing 6.334 kg and listed for 8 applications in the TWD series. The serial breakpoint is the detail to check against the engine plate.

🚤 Compatibility

Typically suits:

• Volvo Penta TWD1652GE
• Volvo Penta TWD1653GE
• Volvo Penta TWD1644-45GE
• Volvo Penta TWD1663GE
• Volvo Penta TWD1682-83GE
• Volvo Penta TWD1683GE-B
• Volvo Penta TWD1683VE
• Volvo Penta TWD1672-1673GE

• Engine Family: TWD
• Serial Range: SN2016113687-

⚙️ Key Features

• For engines from serial number 2016113687 onwards
• 6.334 kg
• 8 TWD series applications
• Inlet and Exhaust System group casting

🔌 Function

Houses the valve and provides its sealed passages and mounting faces within the inlet or exhaust path.

⚠️ Common Signs of Failure

• Leak at a joint face or a threaded port on the housing
• Poor or erratic valve operation traced to the housing bore
• Casting cracked, or a mating face corroded
• Soot or oil tracking from the housing joints
• Fastener threads in the housing pulled or stripped

🛠️ Service Notes

• Confirm the engine serial number before ordering, as this housing is listed from a specific build onwards
• Renew all gaskets and seals at the housing joints and check the mating faces for flatness
• Hose 78490174 sits on the same serial change and may be disturbed in the same job

📦 Condition

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