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Common Rail Injector 7485003949 Bebe4d35002 Fuel Injector Assy for Vo-lvo
| MOQ: | 1 |
| Price: | US $171 |
| Payment Method: | L/C,D/A,D/P,T/T |
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 |
This high-pressure common rail fuel injection assembly (standard part numbers: 7485003949 / 74 85 003 949; common cross-reference and OE interchangeable identification numbers include 21340611, 20708600, 85003963, 21947757, 7421106499, etc.) is primarily matched with D11 and D13 series 10.8L / 12.8L large-displacement inline six-cylinder commercial diesel power platforms, widely installed in highway heavy-duty trucks, semi-trailer tractors, heavy-duty engineering dump trucks, and large special transport equipment) is meticulously crafted. As the micro-metering and ultra-fine spray execution unit that controls the precision of the entire 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.
Adhering to the precision standards of "microscopic ultra-fine atomization and millisecond-fast response," the product's internal needle valve assembly and control valve core are made from carefully selected aerospace-grade quenched special alloy steel, combined with ultra-high precision geometric grinding and low-friction polishing. 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 the parts are installed, mechanics and equipment operators will experience a very direct upgrade: crisp and rapid cold starts, and the severe vibration at low-speed idling subsides and becomes smooth; under fully loaded climbing, frequent starts, or heavy-load operation, the accelerator pedal response is firm and sensitive, acceleration is smooth and the power is continuous, effectively improving exhaust smoke and bringing a satisfactory fuel efficiency control and smooth driving experience.
Problems Solved: Effectively reduces procurement costs by addressing issues such as excessive tolerances in parts manufacturing and distribution chains, uneven fuel supply to cylinders, and potential high-pressure leaks.
Value Gained: Utilizing a standardized production base for precise end-to-end control, eliminating intermediary markups, and ensuring highly consistent fuel injection across cylinders. This reduces maintenance budgets while providing robust and reliable power for equipment operation.
Problems Solved: Addresses issues such as delayed response from 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 and lost work time incurred by commercial freight and engineering transport vehicles, which are high-upload productivity tools, due to fuel system failures causing breakdowns.
Value Brought: Our warehousing center maintains ample stock of best-selling specifications year-round. Orders are responded to quickly, with priority packing and dispatch within 24-48 hours, significantly shortening logistics and delivery cycles. This helps fleets and owners quickly restore equipment availability and effectively avoids downtime losses.
Problem Solved: Addressing the issue of premature wear and valve core seizure caused by differences in diesel lubricity and sulfur content in different regions.
Value Brought: Core valve components are made of high-strength special bearing steel with a surface corrosion-resistant hardening treatment, significantly improving fatigue resistance and wear resistance. Even under harsh environments and prolonged high-load operation, it maintains stable performance, avoiding the additional costs of frequent disassembly and repairs.
| Parameter Name | Parameter Value |
|---|---|
| Product Name | Heavy-Duty Diesel Engine Electronic High-Pressure Common Rail Injector |
| Standard OE Part Number | 7485003949 |
| Interchangeable Part Number | 74 85 003 949 / 21340611 / 20708600 / 85003963 / 21947757 |
| Applicable Engine Platform | D11 / D13 Series 10.8L / 12.8L Diesel Engines |
| Fuel Supply System | High-Pressure Electronic 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 EDM micro-hole machining |
| Maximum working pressure | ≥ 2000 bar |
| Working temperature range | -40°C to +125°C |
| Internal sealing components | Original factory grade high-temperature resistant and swelling-resistant special fluororubber (FKM O-Rings) |
| Net weight per unit | Approx. 1.27 kg / piece |
| Factory testing standards | 100% automated bench full-condition flow and sealing tests |
Long-haul logistics and heavy-duty tractor-trailer inter-provincial transportation: Heavy-duty semi-trailer tractors and highway trucks are often under full load and high load conditions in inter-provincial trunk transportation, which places extremely high demands on the continuous fuel supply stability and fuel control of the injectors. When truck drivers notice a lack of acceleration and insufficient power when climbing hills, resulting in reduced power, the maintenance team promptly replaces this high-precision common rail injector valve. After the upgrade, fuel injection establishes quickly and stably, providing smooth and powerful acceleration under heavy loads, ensuring timely and efficient long-distance transportation.
Urban construction waste transportation and large-tonnage dump truck transportation 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 fuel injection components with a complete set of high-specification 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 use the product directly after installation? Is it necessary to enter a correction code?
A: Each injector has a unique flow correction code (IMA/QR code) generated during factory testing. It is recommended to use a diagnostic tool to flash the correction code into the engine ECU after installation to achieve optimal fuel efficiency and smoothness.
Q: What are the inventory and delivery times for bulk purchases?
A: We have our own factory and large warehouse, maintaining a large inventory of this model year-round. Standard orders can be packaged and shipped within 24-48 hours, and large-volume orders can be quickly scheduled for production.
Q: How do you guarantee the quality and performance of your products before they leave the factory?
A: All injectors undergo assembly in a Class 100 cleanroom and 100% full-condition bench testing, covering key indicators such as sealing, pre-injection volume, full-load injection volume, and return oil volume. These stringent testing standards ensure that they are of superior quality from the outset.
Q: How long is the warranty period? What about after-sales service?
A: We offer a 12-month warranty period. If a performance failure occurs within the warranty period due to non-human factors, we provide rapid replacement or after-sales technical support to ensure your peace of mind.
