3803638 Unit Injector Exch | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta remanufactured unit injector weighing 1.197 kg and listed for three applications in the TAD series. It is the lightest of three closely matched unit injectors: 3803637 at 1.211 kg covers eight D and TAD applications, and 3803917 at 1.220 kg is the D12-715, D12-775 and D12-800 injector. Only 24 grams span the three, so the fitment list rather than the weight is what decides the order. In the D16 industrial tables it is the injector listed against long block 3801513 and turbocharger 3802140, on both the with-VCB and without-VCB head builds. As a Reman component it is restored to what is technically new condition, with wear parts replaced by new genuine parts and the build taken up to the current bill of material, then tested and painted. It is supplied on an exchange basis: core deposit 3806638 is charged alongside it and refunded once the old unit is returned, so both numbers appear on the order.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD1640GE
• Volvo Penta TAD1641VE
• Volvo Penta TAD1642VE

• Engine Family: TAD

⚙️ Key Features

• 1.197 kg
• Three applications in the TAD series
• Listed with long block 3801513 and turbocharger 3802140
• Only 24 grams separate it from 3803637 and 3803917
• 6 used per assembly

🔌 Function

Combines the high-pressure pumping element, the metering control and the nozzle in one body, delivering fuel directly into the cylinder at the pressure and timing the engine's control system commands.

⚠️ Common Signs of Failure

• Rough running or a misfire traced to one cylinder
• Hard starting with white smoke until the engine warms
• Knock or a sharp rattle from one cylinder under load
• Fuel in the engine oil, or the oil level rising
• Injector-specific faults logged by the engine management

🛠️ Service Notes

• Check against 3803637 and 3803917 before ordering - the three are within 24 grams of each other
• Renew the copper sealing washer and the O-rings, and reset the clamp torque to the engine's figure
• Keep the old injector until the new one is fitted and the engine is running, then return it as the core against deposit 3806638

🔄 Supersession & Cross Reference

Other-Brand OEM Numbers

• Delphi: BEBE4C07001

📦 Condition

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