3841378 Hose | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta hose from the Cooling System group, weighing 0.544 kg and listed for 12 applications on D series engines. Hose 3812299 is published at exactly the same 0.544 kg, so weight will not separate the two.

🚤 Compatibility

Typically suits:

• Volvo Penta D2-40
• Volvo Penta D2-40B
• Volvo Penta D2-40F
• Volvo Penta D1-30
• Volvo Penta D1-30B
• Volvo Penta D1-30F
• Volvo Penta D1-13
• Volvo Penta D1-13B
• Volvo Penta D1-13F
• Volvo Penta D1-20
• Volvo Penta D1-20B
• Volvo Penta D1-20F

• Engine Family: D
• HP Range: 13-40 HP

⚙️ Key Features

• 0.544 kg
• 12 applications on D series engines
• Same published weight as hose 3812299
• Cooling System group

🔌 Function

Carries coolant or raw water between components, flexing to absorb engine movement and vibration.

⚠️ Common Signs of Failure

• Coolant weeping or dripping at a clip or along the hose
• Hose soft and spongy, or hard and cracked when squeezed
• Bulging, ballooning or delamination near a connection
• Chafe damage where the hose has rubbed a bracket or pipe
• Repeated coolant top-ups and a falling header tank

🛠️ Service Notes

• Hose 3812299 shares the same 0.544 kg but carries no published fitment list, so use the D series application to tell them apart
• Fit new clips rather than reusing corroded ones, and set them clear of the hose end bead
• Pressure test the system and recheck the joints once the engine is hot

📦 Condition

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