| MOQ: | 1 pieces |
| Price: | US $126-134 / piece |
| Payment Method: | L/C,D/A,D/P,T/T |
| Product Name | High Quality Common Rail Diesel Fuel Injection Pump |
| Place of Origin | Wuhan,China |
| Warranty | 3 Months |
| Delivery time | 3-15 Days, subject to the order quantity |
| Quality | 100% Tested |
| Packing | Customer Requirement |
| Service | After-Sales Service |
| Size | Standard Size |
| Payment | TT,Trade Assurance,PayPal,Credit Card |
| Advantage | Perfect Fit |
This diesel engine unit pump/high-pressure fuel injector assembly (Part ID: 04262056 / 0426 2056; interchangeable with OE references such as 02112860, 02113158, 04262052, and 04262053) is precision-engineered. Designed primarily for the BFM1013 / TCD2013 series (4.8L and 7.2L inline-4 and inline-6 diesel platforms), it is widely used in medium-to-heavy construction machinery, excavators, loaders, diesel generator sets, and specialized transport vehicles. As a core component of the fuel supply system responsible for high-pressure pressurization, atomization, and pulsed injection timing, this unit precisely pressurizes diesel fuel and disperses it into micron-sized droplets—driven by the camshaft and regulated by the control valve—to ensure optimal mixing and combustion with the intake air.
The assembly features high-precision manufacturing and rapid response capabilities. The internal control valve spool and needle valve assembly are crafted from high-hardness special alloy steel, finished with precision geometric grinding and wear-resistant coatings to effectively prevent internal scoring and pressure loss caused by contaminants. Upon installation, mechanics and operators will notice significant improvements: smooth, rapid cold starts and quiet, stable idling. During heavy-duty operations or sustained acceleration, the throttle response is highly responsive and power delivery is robust without lag; additionally, the unit mitigates black exhaust smoke, delivering superior fuel efficiency and a smooth operating experience.
| Parameter Name | Parameter Value |
|---|---|
| Product Name | Heavy-duty Diesel Electronically Controlled Unit Injector / PLD Unit Pump Assembly |
| Standard Part Number | 04262056 |
| Cross-Reference Numbers | 0426 2056 / 02112860 / 02113158 / 04262052 / 04262053 |
| Applicable Engine Platform | BFM1013 / TCD2013 Series (4.8L & 7.2L Diesel Platforms) |
| Fuel Supply System | PLD / PDE Unit Pump High-Pressure Injection System |
| Core Needle Valve Material | High-hardness quenched bearing steel / Wear-resistant coated special alloy |
| Surface Treatment | High-density, anti-corrosion, wear-resistant coating |
| Nozzle Hole Machining | High-precision EDM (Electrical Discharge Machining) micro-hole processing |
| Maximum Operating Pressure | ≥ 1600 bar (dynamic high pressure) |
| Operating Temperature Range | -40°C to +125°C |
| Internal Sealing Components | High-temperature and swell-resistant special fluoroelastomer (FKM O-rings) |
| Unit Net Weight | Approx. 1.25 kg / unit |
| Quality Inspection Standard | 100% automated test bench verification (full-load flow and sealing tests) |
High-intensity operations at construction sites and earthmoving projects: Crawler excavators and wheel loaders performing heavy-duty excavation and hauling, with equipment subjected to prolonged, continuous high-load conditions. Maintenance personnel replace the unit injector assembly when operators notice sluggish movement during excavation, severe vibration at low idle speeds, or engine stalling under high loads. After the replacement, hydraulic pressure builds up smoothly and rapidly, the engine's explosive power is restored, and throttle response is immediate and robust, ensuring the project schedule stays on track.
Industrial Diesel Generator Sets and Emergency Backup Power Applications: Generator sets operating in mining or remote field environments require a stable, continuous power supply over long periods, placing extremely high demands on the stability and fuel efficiency of injection components. When a generator set experiences frequency fluctuations, fails to ramp up speed under load, or emits black smoke, the maintenance team replaces the unit with a full set of high-specification fuel injection components. Precise atomization control restores smooth engine operation, ensuring safe and continuous power supply.