| MOQ: | 1 |
| Price: | US $171 |
| Payment Method: | L/C,D/A,D/P,T/T |
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| Product Name | High Quality Common Rail Diesel Fuel Injector |
| 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 |
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This heavy-duty diesel engine electronically controlled high-pressure common rail fuel injector valve body (standard part number: 85013718; common cross-reference and OE interchangeable identification numbers include 85003963, 21340611, 20708600, 21947757, etc., mainly matched with D11 and D13 series 10.8L/12.8L displacement inline six-cylinder commercial diesel power platforms, widely installed in long-haul tractors, heavy-duty engineering dump trucks, and large special-operation equipment) is meticulously crafted. As a micro-metering and ultra-fine spray execution unit that controls the precision of the fuel supply system, it is responsible for accurately metering high-pressure diesel fuel and rapidly dispersing it into ultra-fine atomized particles under microsecond-level electrical signal commands, promoting uniform mixing and complete combustion of fuel and air within the cylinder.
The product adheres to the manufacturing standards of "microscopic ultra-fine atomization and millisecond-fast response." Internal needle valve components and armature control valve cores are made from carefully selected aerospace-grade quenched special alloy steel, combined with ultra-high precision geometric grinding. The surface is coated with a high-density, ultra-wear-resistant DLC hardened coating, effectively preventing internal scoring and jamming caused by diesel impurities. After installation, mechanics and equipment operators will experience a direct upgrade: crisp and rapid cold starts, and severe vibrations at low idle speeds are reduced and smoothed out; under full-load climbing, frequent starts, or heavy-load operation, the accelerator pedal response is firm and sensitive, acceleration is smooth and powerful, effectively improving exhaust smoke and delivering satisfactory fuel efficiency control and smooth driving experience.
Problems Solved: Effectively reduces procurement costs by addressing issues such as excessive tolerances in parts matching, inconsistent fuel supply to cylinders, and potential high-pressure seal leaks caused by OEM manufacturing and multi-layered distribution models.
Value Gained: Utilizing standardized production facilities for strict end-to-end control eliminates intermediary markups, ensuring consistent and stable fuel injection across all cylinders. This saves on maintenance budgets while providing robust support for vehicle and machinery operation.
Problems Solved: Addresses issues such as delayed response due to substandard parts, engine misfires and vibrations caused by pressure relief jamming, and wasted time and costs due to repeated disassembly and reassembly.
Value Gained: Each component undergoes fully automated digital bench testing before leaving the factory. Fuel injection and sealing parameters are precisely calibrated in a simulated high-temperature and ultra-high-pressure environment, ensuring smooth installation immediately upon unpacking and significantly reducing installation and commissioning time and labor costs.
Problem Solved: Addressing the costly delays, defaults, and lost work time resulting from downtime caused by malfunctions in the fuel supply system of high-upload productivity tools such as transport trucks and construction machinery.
Value Brought: Our warehousing center maintains ample inventory of best-selling models, enabling rapid order processing and packaging and shipping within 24-48 hours after order confirmation. This significantly shortens logistics waiting times, helping fleets and project owners quickly restore uptime and avoid downtime losses.
Problems Solved: Addressing the issues of early wear, jamming, and nozzle blockage in needle valve components caused by variations in diesel lubrication and residual impurities in different regions.
Value Brought: Core components are made of high-hardness special bearing steel and feature a surface hardening protective process, significantly enhancing wear resistance and corrosion resistance. Even under harsh operating environments and long-term high-load operation, they maintain stable performance, reducing the costs associated with frequent replacements.
| Parameter Name | Parameter Value |
|---|---|
| Product Name | Heavy-Duty Diesel Engine Electronic High-Pressure Common Rail Injector |
| Standard Part Number | 85013718 |
| Interchangeable Numbers | 85013718 / 85003963 / 21340611 / 20708600 / 21947757 |
| Applicable Engine Platform | D11 / D13 Series 10.8L / 12.8L Diesel Engines |
| Fuel Supply System | Electronic High-Pressure Common Rail Injection System |
| Core Needle Valve Material | Aerospace-grade quenched bearing steel, corrosion-resistant high-hardness special alloy |
| Surface Treatment Process | High-density ultra-wear-resistant DLC hardened coating |
| Injector Orifice Micro-Engraving Technology | EDM high-precision electrical discharge micro-hole machining |
| Maximum Operating Pressure | ≥ 2000 bar |
| Operating Temperature Range | -40°C to +125°C |
| Internal Sealing Components | Original Equipment Manufacturer (OEM) High-Temperature Resistant and Swell-Resistant Special Fluororubber (FKM O-Rings) |
| Net Weight per Unit | Approx. 1.26 kg / piece |
| Factory Testing Standards | 100% Automated Bench Test for Flow and Sealing under All Operating Conditions |
Long-haul logistics and heavy-duty tractor-trailer inter-provincial transportation: Heavy-duty trucks and semi-trailer tractors continuously travel fully loaded on inter-provincial highways and trunk logistics routes, placing extremely high demands on engine fuel supply stability and fuel economy. When truck drivers notice sluggish acceleration for overtaking, insufficient power when climbing hills in high gears, or black smoke from the exhaust pipe, mechanics promptly replace the valves with this high-precision fuel injector. After replacement, fuel atomization is extremely fine and uniform, engine power reserves are fully restored, throttle response is brisk, and overall fuel consumption per 100 kilometers is effectively reduced.
Urban construction waste transportation and heavy-duty dump truck scenarios: Construction dump trucks and heavy-duty transport vehicles frequently start and climb hills in complex road conditions and dusty construction sites. When vehicles experience starting difficulties, severe idling vibrations, or uneven cylinder operation, the maintenance team replaces the entire set of high-specification fuel injection components. Precise electronic injection control allows the engine to instantly release high torque at low speeds, smoothly handling frequent start-stop cycles and heavy loads, ensuring efficient and smooth transportation operations.
Q: Can I install the product directly after receiving it? Is it necessary to enter a correction code?
A: Each injector has a unique flow correction code (IMA/QR code) generated during factory bench testing. It is recommended to use professional diagnostic equipment to write the correction code into the ECU after installation to achieve optimal fuel efficiency and smoothness.
Q: What are the delivery time and inventory status for bulk purchases?
A: We have our own production base and standardized warehouse, maintaining a large inventory of this specification year-round. Standard orders can be packaged and shipped within 24-48 hours, and large-volume orders can also be quickly scheduled for production on our assembly line.
Q: What quality inspections do the products undergo before leaving the factory?
A: All components are assembled in a dust-free cleanroom and undergo 100% high-temperature, ultra-high-pressure dynamic bench testing, covering key indicators suchs as sealing, pre-spray volume, full-load spray volume, and oil return volume. Stringent testing standards ensure the product is ready to use out of the box.
Q: What is the warranty period for the product? How are quality issues handled?
A: We offer a 12-month warranty period. During the warranty period, in the event of performance failures not caused by human factors, we will provide rapid replacement or after-sales technical support to protect your rights.