3806741 Injection Pump Core | Genuine Volvo Penta Part

🔧 Product Description

Refundable core deposit raised against an injection pump, listed under Fuel System. It carries the charge that goes on when the exchange pump is supplied and comes off again when the old pump is handed back. No hardware moves against the line itself, so ordering it alone brings nothing to the boat. Core numbers in this series run three thousand above the unit they belong to, so the pump this deposit stands against is part number 3803741. The line is listed at 22.68 kg. Nothing goes out against the deposit, so read that as the scale weight of the pump coming back for credit - a two-man lift, or one man and a hoist. Injection pump core 3806764 is published at the same 22.68 kg and carries the same name, so the figures do not separate the two - order the number that matches the pump actually coming off.

⚙️ Key Features

• Core deposit line, not an injection pump you can fit
• Belongs with the exchange unit, part number 3803741
• Refunded when the old injection pump is returned
• 22.68 kg listed, the return weight to plan freight around
• Shares its published weight with injection pump core 3806764, so order by part number
• Fuel System group

🔌 Function

The line's job is to hold the refundable deposit until the old unit is back; the pump it stands against raises fuel to injection pressure and doses each cylinder in turn, setting how much fuel the engine gets and when it gets it.

⚠️ 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
• The engine running on after the stop control has been pulled
• 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
• Metal glitter in the fuel filter bowl or in the return line

🛠️ 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 3803741
• Water and dirt in the fuel are what finish most pumps, so clean the tank and renew the filters at the same time or the exchange unit goes the same way as the old one

📦 Condition

• Refundable core deposit - not a physical part