1861200 New Aftermarket Electronic Unit Pump fits DAF CF XF (MX11 MX13 Engine) – GOTTO

Product Specifications:

The 1861200 is a heavy-duty, precision-engineered Electronic Unit Pump (EUP) (Aftermarket Replacement) designed specifically for the modern generation of DAF CF and XF commercial heavy-duty trucks (2013 and newer). Powered by the advanced PACCAR MX11 (10.8L) and MX13 (12.9L) 6-cylinder diesel engines, these trucks require precise, extreme-pressure fuel delivery for optimal highway performance and emissions compliance. Manufactured to verify against rigorous OEM testing protocols to restore proper fuel pressure, eliminate hard starts, and ensure maximum pulling torque.

📊 Part Number Cross Reference

(Data verified via global catalog search)

🚛 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 Pump (EUP) with old, worn units on a 6-cylinder PACCAR MX engine causes severely uneven fuel delivery to the injectors. This leads to Cylinder Power Imbalance (Engine Vibration, Drivetrain Stress, Check Engine Codes, and severely decreased fuel economy under load).

   • The Fix: Take advantage of our Volume Discounts to install a matched set of 6 units. This ensures uniform pressure generation across all cylinders and restores smooth, factory-level highway performance.

2. ✅ Direct Replacement Installation:

   • This pump is precisely calibrated on the test bench to match Delphi OEM flow and pressure standards. Ensure proper mechanical installation and tappet clearance adjustments according to the DAF/PACCAR service manual.

3. ⚠️ Critical System Flush Warning:

   • Contaminated fuel is the #1 cause of unit pump failure. You MUST thoroughly flush the fuel tank and low-pressure delivery lines, and install brand-new high-efficiency fuel filters prior to startup. Failure to provide clean fuel will instantly score the precision plunger inside the new pump.

🔍 Explore More Heavy Duty Parts:

• Looking for more options? Browse our complete selection of Diesel Pump.

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

⚖️ Legal Disclaimer

Part numbers, OE numbers, and brand names (e.g., DAF, PACCAR, 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.