|
Common Rail Diesel Fuel Injector 4954648 579261 570016 1731091 for Cu-mmins Qsx15 1sx15 X15
| MOQ: | 1 pieces |
| Price: | US $265.32-285.32 |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union |
| OE No. | 1731091 |
| Type | Fuel Injector |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
This high-precision diesel electronic injection unit (standard part number: 1731091, common interchangeable/cross-reference numbers include 1731091PX, 1846350C91, 1846350C92, etc.) is specifically designed for high-power commercial heavy trucks, large engineering equipment, and high-load diesel engine systems. It is the core control component for achieving high-pressure, precise metering and fine atomization of diesel fuel. This product is widely installed in long-haul trucks, large-tonnage engineering dump trucks, special-operation machinery, and standby diesel generator sets.
Adhering to the design philosophy of "micron-level fine atomization and millisecond-level rapid response," the core needle valve assembly and armature valve core are both manufactured using ultra-high precision grinding and ultra-low friction polishing processes. The surface is covered with a high-density, anti-coking hardened coating, which can easily cope with particulate wear caused by poor diesel fuel quality. After your equipment is upgraded, drivers and operators will experience immediate improvements: ignition starts crisply and cleanly, and the severe vibrations and jerks at low idle speeds are completely eliminated; when fully loaded climbing steep slopes or operating under high-intensity continuous conditions, the accelerator pedal and control lever respond smoothly and precisely, providing consistent and stable power output, while significantly reducing exhaust smoke and resulting in excellent overall fuel economy.
Automated, self-operated production base with precision manufacturing.
Problems Solved: Traditional subcontracting often leads to dimensional discrepancies in component fit and inconsistent batch performance, resulting in uneven fuel supply to cylinders and potential early high-pressure leaks.
Value Brought: Relying on a standardized, self-built production base for end-to-end precision manufacturing, from micron-level machining of needle valve components to strict control throughout automated assembly, ensuring consistent injection height across cylinders and providing a solid and reliable power guarantee for long-term equipment operation.
100% rigorous quality inspection under all operating conditions on a fully digital test bench.
Problem Solved: Inferior, low-end parts can easily lead to unstable power, knocking, cylinder scoring, and wasted time and extra costs due to repeated disassembly and adjustment after installation.
Value Brought: Each injector undergoes fully automated testing before leaving the factory. Under simulated high temperature and ultra-high pressure conditions, the injection volume and return oil sealing are precisely calibrated for different pressure ranges, ensuring immediate usability after installation and significantly saving time and costs associated with equipment disassembly and adjustment.
A large, readily available inventory and efficient warehousing and distribution.
Problem Solved: Construction machinery and commercial trucks are high-uptime, high-revenue tools. If a breakdown occurs due to fuel system failure, downtime and lack of materials can result in costly delay compensation and lost work time.
Value Brought: The warehousing center maintains a sufficient stock of best-selling specifications year-round. Orders are responded to quickly, with priority packing and shipping within 24-48 hours, greatly shortening the logistics and delivery cycle. This helps fleets and owners quickly restore equipment availability and effectively avoids downtime losses.
Special hardened alloy wear-resistant and corrosion-resistant material.
Problem Solved: Differences in diesel lubricity and sulfur content across different regions can easily lead to premature wear of valve components and valve core seizure.
Value Gained: The core valve components are made of high-strength special bearing steel and undergo surface anti-corrosion hardening treatment, significantly improving fatigue resistance and wear resistance. This ensures stable performance even under harsh environments and prolonged high-load operation, avoiding the additional costs associated with frequent disassembly and repairs.
| Parameter Name | Parameter Value |
|---|---|
| Product Name | Heavy-Duty Diesel Engine High-Pressure Electronic Injector |
| Standard OE Part Number | 1731091 |
| Common Interchange Numbers | 1731091PX / 1846350C91 / 1846350C92 |
| Fuel Supply System | High-Pressure Electronic Common Rail/Unit Injection System |
| Core Valve Core Material | Aerospace-Grade Hardened Bearing Steel, Corrosion-Resistant High-Hardness Special Alloy Steel |
| Needle Valve Coating Process | High-Density, Ultra-Wear-Resistant DLC Hardened Coating |
| Nozzle Machining Technology | EDM High-Precision Electrical Discharge Micro-Orifice Machining |
| Operating Temperature Range | -40°C to +125°C |
| Internal Sealing Components | High-Temperature Resistant, Swelling-Resistant Special Fluororubber (FKM O-Rings) |
| Net Weight per Unit | Approximately 1.26 kg/piece |
| Testing Standards | 100% Automated Bench Flow and Pressure Testing |
| Warranty Period | 12-Month Extended Warranty / 1-Year Factory Technical Support |
Long-haul logistics and steep mountain climbing: In cross-regional logistics transportation, trucks fully loaded with heavy goods face long-term high-speed cruising and continuous steep slope climbing. By replacing the fuel injector with this high-pressure injector, drivers can clearly feel that the vehicle's upshifts are crisper, the power output is full and does not diminish when the accelerator is pressed, and the diesel fuel is fully combusted, improving climbing torque while effectively reducing overall fuel consumption.
Construction engineering and continuous operation of large heavy-duty machinery: In construction sites with high dust and harsh terrain, heavy equipment frequently operates under heavy loads. This fuel injector, with its microsecond-level electronic control response and ultra-high-pressure atomization capability, ensures that the engine can still output continuous high torque even when facing drastic fluctuations in engine speed. The smooth and continuous compound action completely avoids engine stalling and misfires, ensuring efficient progress in construction.
Q: Why are your prices so much lower than local physical stores? Are they brand new?
A: We promise that all products sold are 100% brand new, high-quality parts, not recycled or refurbished parts. Because we ship directly from our own factory, eliminating the markups and rental costs of traditional physical stores and multiple layers of distributors, we can offer you the true factory price.
Q: How long after placing an order will it be shipped? How long will it take to receive it?
A: This model is a core stock item in our warehouse. After you complete payment, we will complete the inventory check, pack, and arrange for shipment within 24 to 48 hours. We cooperate with major international express delivery channels, and it usually arrives at your door within 5-9 business days.
Q: What details should be considered when arranging for a technician to install this brand-new high-pressure fuel injector?
A: High-pressure fuel systems are extremely sensitive to impurities. Before installation, please thoroughly clean the diesel tank and fuel lines, and replace the fuel filter with a brand-new, high-specification one. Ensuring a clean fuel system is a prerequisite for maximizing the peak performance of the new component and guaranteeing its extended lifespan.
Q: What should I do if I find an incorrect model number after receiving the goods, or encounter performance abnormalities during subsequent use?
A: As long as the product has not been opened or tested, its appearance and accessories are intact, and it does not affect resale, we offer a 90-day return and exchange guarantee. In addition, the product has a 12-month warranty period. If a performance failure occurs within the warranty period due to non-human-caused reasons, our after-sales customer service team will arrange for a replacement or refund as soon as possible.
