0445120014 Injector Pump Spare Parts 503135269, 5010477499 Truck Injection 0 445

Product Description

Packaging & Shipping

Company Information

This heavy-duty, electronically controlled high-pressure common-rail diesel fuel injector assembly (Part ID: 0445120014 / 0 445 120 014; common OE cross-references include 0986435502, 504091573, 2830957, etc.) is precision-engineered. Designed for F4AE/F4CE/NEF 67 series (5.9L and 6.7L) diesel platforms, it is widely used in EuroCargo medium-to-heavy trucks, construction machinery, and diesel-powered equipment. As a core actuator within the fuel supply system, it governs diesel atomization quality and pulse injection timing; responding to millisecond-level electrical signals, it precisely meters high-pressure diesel and rapidly breaks it down into ultra-fine particles, facilitating thorough mixing with intake air for optimal combustion.

The component is designed and manufactured to standards emphasizing "micro-level precision fit" and "millisecond-level agile response." The core control valve and needle valve assembly utilize aerospace-grade, hardened special alloy steel, finished with ultra-high-precision geometric grinding and low-friction polishing. A dense, ultra-hard surface coating effectively prevents internal scratching and pressure loss caused by fuel impurities. Upon installation, drivers and technicians will notice immediate improvements: crisp, clean cold starts and quiet, vibration-free idling. Whether climbing steep slopes, stop-and-go driving, or long-distance cruising, the throttle response is sharp and sensitive, and acceleration is robust yet smooth. Additionally, it reduces black smoke emissions, delivering satisfactory fuel efficiency and a stable, refined driving experience.

Product Advantages

• Standardized smart manufacturing and rigorous quality control directly from the source factory. Cost-effective sourcing by eliminating intermediary markups. By leveraging standardized production bases for end-to-end quality control and removing unnecessary middlemen, we ensure highly consistent injection pressure and flow rates across all cylinders. This approach not only cuts maintenance budgets but also provides reliable, robust power for vehicle and equipment operations.
• Rigorous testing on ultra-high-pressure digital dynamic test benches. Low-quality replacements often suffer from response lag and pressure-release malfunctions—causing engine misfires and vibration—as well as wasted labor and costs due to repeated installation and adjustment. Every injection assembly undergoes automated testing before leaving the factory; flow rates and sealing integrity are precisely calibrated across various pressure ranges in simulated high-temperature, ultra-high-pressure environments. This ensures "ready-to-install" performance, drastically saving time and costs associated with installation and tuning.
• Large-scale warehousing and rapid shipping response. Vehicles used for daily commuting and commercial transport are high-utilization assets; fuel system failures can lead to costly downtime and revenue loss. Our warehouse maintains ample stock, with orders packed and shipped within 24–48 hours of confirmation. This significantly reduces logistics wait times, helping fleets and owners quickly resume operations and avoid losses caused by vehicle downtime.
• Special-quenched alloy needle valves with wear-resistant hardened coatings. In regions where diesel fuel has poor lubricity or high sulfur content—factors that often cause premature wear and valve sticking in precision components—we provide a superior solution. Our core components utilize high-hardness special bearing steel and anti-corrosion surface treatments. These enhancements offer exceptional fatigue and wear resistance, ensuring stable performance even under harsh conditions and prolonged high-load operation, thereby reducing the extra expenses associated with frequent repairs.

Specifications Table

Application Scenario

Medium-to-heavy-duty truck intercity freight and long-haul logistics: Cargo trucks frequently operate on intercity routes, often maintaining full-load cruising speeds and continuous hill-climbing for extended periods. When drivers notice sluggish acceleration, insufficient power when climbing in high gears, or a significant increase in fuel consumption, maintenance personnel replace the set with high-precision common rail injectors. Following replacement, fuel injection pressure builds rapidly and stably, and acceleration under heavy loads becomes robust and smooth, ensuring freight tasks are completed on time and efficiently. Construction Sites and Heavy Machinery Operations: Medium-to-heavy construction equipment and dump trucks operating on earthworks sites face challenges involving high dust levels and heavy loads. When equipment experiences sluggish starting, severe idling vibration, or stalling under heavy loads, maintenance teams can install this electronically controlled fuel injection assembly. Its precise fuel atomization allows the engine to instantly deliver high torque at low RPMs, ensuring smooth operation during frequent stop-start cycles and heavy-load tasks, thereby keeping the project on schedule.

Frequently Asked Questions

1. Q: Can the product be used immediately after installation, or does it require a correction code?
   A: Each fuel injector is assigned a unique flow correction code (IMA/QR code) during factory testing. We recommend using a diagnostic tool to input this code into the engine control unit (ECU) after installation to ensure optimal fuel efficiency and smooth operation.
2. Q: What are the stock levels and lead times for bulk orders?
   A: We operate our own factory and large-scale warehouses, maintaining substantial year-round inventory for this model. Standard orders are typically packed and shipped within 24–48 hours, while bulk orders can be quickly scheduled for production.
3. Q: How are product quality and performance ensured before shipment?
   A: All fuel injectors undergo assembly in a Class 100 cleanroom environment and 100% bench testing across all operating conditions. Tests cover critical parameters such as sealing integrity, pre-injection volume, full-load injection volume, and fuel return volume; our rigorous standards ensure that every unit shipped is of premium quality.
4. Q: What is the warranty period, and how is after-sales support handled?
   A: We offer a 12-month warranty. Should a performance failure occur due to non-human factors within the warranty period, we provide rapid replacement or technical support to ensure a worry-free experience.