3841787 Coolant Pipe | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta coolant pipe from the Cooling System group, weighing 1.066 kg and listed for 4 applications on TWD series engines. Coolant pipe 3842381 is also listed for 4 TWD applications and weighs 1.136 kg, so only 70 grams separate the two published figures and the part number is the reliable guide.

🚤 Compatibility

Typically suits:

• Volvo Penta TWD1643GE
• Volvo Penta TWD1652GE
• Volvo Penta TWD1653GE
• Volvo Penta TWD1663GE

• Engine Family: TWD

⚙️ Key Features

• 1.066 kg
• 4 applications on TWD series engines
• Within 70 grams of coolant pipe 3842381 - order by part number
• Cooling System group

🔌 Function

Carries coolant between engine components as a rigid, pre-formed section of the cooling circuit.

⚠️ Common Signs of Failure

• Coolant weeping or dripping from the pipe or one of its joints
• Pipe corroded thin, pitted or perforated
• Internal scale narrowing the bore and restricting flow
• Header tank needing regular topping up
• Engine running hot under load

🛠️ Service Notes

• Renew the O-rings or gaskets at every joint the pipe makes
• Flush the circuit if scale is present, then pressure test after assembly
• Compare the new pipe with the old one before fitting, as 3842381 covers the same number of TWD applications

📦 Condition

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