3801482 Unit Injector Reman | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta remanufactured unit injector for the MP-rated D12D engines, weighing 2 kg and listed for eight applications from the D12D-A MP through to the D12D-H MP. Its published weight is 2 kg exactly, the same as 3803491, so the two are indistinguishable by mass and the fitment list is what separates them - this is the number carrying the full D12D MP range. Volvo Penta reman components are rebuilt to the current bill of material with wear parts replaced by new genuine parts, then tested and painted before despatch. Supplied on exchange, so a core fee is added to the invoice and refunded once the worn unit is returned.

🚤 Compatibility

Typically suits:

• Volvo Penta D12D-A MP
• Volvo Penta D12D-B MP
• Volvo Penta D12D-C MP
• Volvo Penta D12D-D MP
• Volvo Penta D12D-E MP
• Volvo Penta D12D-F MP
• Volvo Penta D12D-G MP
• Volvo Penta D12D-H MP

• Engine Family: D

⚙️ Key Features

• For the D12D-A MP to D12D-H MP engines, eight applications
• 2 kg
• Shares its published weight exactly with 3803491 - order by fitment, not by mass
• Rebuilt to the current bill of material and tested before despatch
• 12-month Volvo Penta warranty, 24 months when fitted by an authorised dealer
• 6 used per assembly

🔌 Function

Combines the pumping element and the nozzle in one body, generating injection pressure at the cylinder and metering fuel directly into the combustion chamber.

⚠️ Common Signs of Failure

• Hard starting, especially from cold
• Rough or lumpy idle that smooths out under load
• White or grey smoke at low load
• A hard metallic knock from one cylinder
• Tip or plunger found worn, coked or scuffed on strip-down

🛠️ Service Notes

• The MG and MH rated D12D engines take 3801293 instead, so check the rating suffix as well as the model
• Renew the copper sealing washer and the O-rings, set the unit injector height and torque the clamp to the engine's own figures
• Core deposit 3804482 carries the exchange fee and is refunded when the old unit goes back

📦 Condition

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