3806739 Injection Pump Core | Genuine Volvo Penta Part

🔧 Product Description

Core line for an injection pump, held under Fuel System. It holds the refundable charge on the old pump being handed back against an exchange unit. Nothing is shipped against the deposit, which exists only to be cancelled out when the worn pump arrives back. The unit the deposit is raised against is part number 3803739; that is where the pump itself comes from, and the two go on the order together. The line is listed at 48 kg. Nothing goes out against the deposit, so read that as the scale weight of the pump coming back for credit - a pallet-and-lifting-gear return rather than anything a parcel service will take. The lines in this run are not separated by any published engine application, so match the number to the pump coming off rather than trying to identify it by description.

⚙️ Key Features

• Core deposit line, not an injection pump you can fit
• Belongs with the exchange unit, part number 3803739
• Refunded when the old injection pump is returned
• 48 kg listed, the return weight to plan freight around
• No engine application published against the line, so order by part number
• Fuel System group

🔌 Function

As a deposit line it does nothing mechanical; the injection pump it belongs to is what puts the fuel under injection pressure and sends a measured shot to each cylinder at the timed point in the cycle.

⚠️ Common Signs of Failure

• This is a deposit line and has nothing to fail in itself; the signs below are what normally condemns the injection pump being exchanged
• Hard starting, or long cranking before the engine will fire
• Corrosion, scoring or lacquering found on the elements and delivery valves once the pump is opened
• Loss of power, with the engine unable to pull up to its rated revolutions
• The governor sticking, so the engine is slow to answer the throttle or runs past the setting

🛠️ Service Notes

• The charge is refunded when the worn injection pump is returned, so keep the old pump and send it back rather than scrapping it
• Ordering this number on its own supplies no part - it goes on the order beside the exchange unit, part number 3803739
• Drain the old pump before it goes back, and keep the paperwork with it so the credit can be matched to the order it came off

📦 Condition

• Refundable core deposit - not a physical part