The 21340611 is a heavy-duty, precision-engineered Electronic Unit Injector (EUI) (Aftermarket Replacement) designed specifically for the legendary Volvo D13A and D13D (12.8L, Euro 3) 6-cylinder diesel engines. These highly dependable 400-460 bhp powerplants are the driving force behind Europe’s most robust commercial trucks, including the iconic Volvo FH12 and Renault heavy-duty series. Manufactured to verify against rigorous OEM testing protocols to restore massive pulling torque, ensure reliable fuel delivery under extreme payload conditions, and maximize highway fuel economy. Designed for a direct fit with no complex ECU programming required.

📊 Part Number Cross Reference

(Data verified via global catalog search – Extensive Interchangeability)

🚛 Fits Applications (Engine & Vehicle)

(Verified application list)

👨‍🔧 Tech Notes & Installation Guide

1. 💰 Why Replace the Full Set?

   • The Risk: Mixing a brand-new Electronic Unit Injector (EUI) with old, worn units on a 6-cylinder D13 engine causes severely uneven fuel delivery. This leads to rough idling, heavy drivetrain vibration, loss of pulling power on steep inclines, and increased fuel consumption.

   • The Fix: Take advantage of our Volume Discounts to install a matched set of 6 units. This ensures uniform injection pressure across all cylinders and restores the smooth, reliable long-haul power your Volvo/Renault truck is known for.

2. ✅ Direct Replacement (No Coding Required):

   • These aftermarket unit injectors are precision-calibrated on the test bench to deliver optimal flow rates right out of the box. No IMA coding or ECU programming is required—simply install, adjust the mechanical valve lash/tappet clearance to Volvo’s exact specifications, and start the engine. Perfect for quick and hassle-free fleet maintenance.

3. ⚠️ Critical Cleaning Step:

   • Commercial trucks consume massive amounts of fuel, making contamination a major risk. The entire fuel delivery system MUST be thoroughly flushed prior to installation. Always install a brand-new, high-efficiency fuel filter to protect the precision plunger inside the new injector from microscopic debris.

🔍 Explore More Heavy Duty Parts:

• Looking for more options? Browse our complete selection of Fuel Injectors.

• Keep your fleet running smoothly with our premium Engine Components.

⚖️ Legal Disclaimer

Part numbers, OE numbers, and brand names (e.g., Volvo, Renault, Delphi) mentioned above are for reference and identification purposes only. This product is a compatible aftermarket replacement part and is NOT manufactured, sponsored, or affiliated with the original equipment manufacturers.