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294000-1662 8-98178304-2 Diesel Engine Fuel Injection Pump Common Rail Injection Pump for Isuzu N Series 4jh1 Diesel Engine
| MOQ: | 1 |
| Payment Method: | D/A,D/P,T/T,Western Union |
Product Description
| 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 |
Product Description
This DEN-SO high-pressure fuel pump (OE: 294000-1662) is a core turbocharger component specifically designed for high-performance commercial diesel engines such as the Isuzu 4HK1 and 6HK1. As the power source for the common rail system, it employs precision plunger pressurization technology to maintain a constant and precise fuel flow at extremely high speeds, ensuring optimal fuel atomization. Users who have upgraded experience noticeably better cold-start response, smooth and quiet idling, and a significantly more powerful and linear engine output during heavy-load starts or high-speed cruising. It completely eliminates the acceleration lag and power loss caused by internal wear in older pumps, providing more efficient and economical driving for your vehicle.
Product Advantages
Nanoscale Precision Manufacturing Process: Utilizing our own factory and digital CNC machining technology, we ensure that the clearance between the plunger and sleeve inside the pump body reaches nanoscale standards. This highly precise structural design effectively solves the problem of unstable operating conditions caused by fuel pressure fluctuations, ensuring the system maintains optimal atomization during long-term operation, thereby significantly improving the overall fuel efficiency and saving you long-term operating costs.
Massive Inventory Reserves: Considering the stringent downtime requirements of logistics fleets and engineering equipment, we maintain ample inventory of this model. Whether you need emergency repairs or large-scale fleet upgrades, we can deliver immediately, significantly shortening the idle waiting period after equipment parts replacement, ensuring your business operation efficiency remains high, and reducing hidden losses caused by unplanned downtime.
Full-Condition Pressure Performance Simulation Testing: Before being packaged and shipped, each oil pump must undergo rigorous multi-stage testing on a simulated high-pressure test bench, covering sealing performance, dynamic flow consistency, and high-speed reciprocating response testing. This comprehensive quality assurance process eliminates the risk of initial failure after product installation, allowing you to obtain original factory-level power output upon initial installation, eliminating the hassle of repeated repairs.
Reinforced with Special Corrosion-Resistant Alloy Materials: Given the uncertainty of fuel quality, we implemented a special surface passivation and hardening process on core contact components, significantly enhancing the fuel pump's ability to resist impurities and high-temperature oxidation. Even under prolonged high-load operation, this fuel pump ensures the high integrity of its internal structure, effectively extending maintenance and replacement cycles and providing you with a long-lasting and stable power source.
Parameter Table
| Parameter Name | Parameter Value |
|---|---|
| OE Number | 294000-1662 |
| Compatible Models | Isuzu 4HK1 / 6HK1 Series |
| Pressure Range | Up to 200 MPa |
| House Material | High-strength die-cast corrosion-resistant aluminum alloy |
| Inlet Thread | M14 × 1.5 |
| Return Connection Specification | Precision one-way regulating valve |
| Plunger Drive Method | Gear mechanical drive |
| Sealing Ring Material | High-performance fluororubber (FKM) |
| Operating Temperature | Normal -40°C to +120°C |
| Surface Treatment | High-hardness nitriding treatment |
| Match Tolerance | ± 0.002mm |
| Design Service Life | ≥ 80,000 hours |
Application Scenarios
Long-distance cold chain logistics transportation: Cold chain trucks have extremely high requirements for engine stability and need to operate at high speeds and full loads for extended periods. After installing this high-pressure fuel pump, the fuel system exhibits extremely stable supply under high loads, effectively avoiding the sudden drop in fuel pressure common during long-distance driving. This not only ensures continuous engine power during highway cruising but also improves fuel economy through optimized atomization, ensuring timely and efficient delivery of cold chain goods.
Large Construction Machinery Operations: When excavating earth on construction sites, excavators frequently experience rapid switching between high and low speeds. This fuel pump, with its superior instantaneous pressure build-up speed, allows the engine to maintain robust output even during load changes, completely eliminating power lag. This robust performance greatly ensures the continuous operation of the machinery, improves the production rhythm of excavation and loading on the construction site, and effectively avoids the risk of work interruptions.
Application Scenarios
Q: Is it necessary to use a diagnostic tool for matching after installation?
A: For this model, it can operate normally after exhaust installation. However, if your vehicle's control system requires extremely high precision, it is recommended to use dedicated diagnostic equipment to reset the pressure system data after installation for optimal matching.
Q: Do you support bulk wholesale pricing?
A: Yes, we welcome fleet operators and parts stores to discuss cooperation. For large-volume orders, we offer highly competitive tiered discounts. Please contact customer service directly for a quote.
Q: What is the warranty period for the product?
A: We offer a 12-month after-sales quality guarantee for all products sold. During this period, if any performance problems occur that are not caused by human error, we will provide free return or replacement service.
Q: What are some routine maintenance suggestions to protect the new fuel pump?
A: The most important thing is to keep the fuel system clean. Please be sure to replace the high-quality diesel fuel filter at the same time as replacing the fuel pump, and ensure that no impurities enter the installation environment. This will greatly extend the pump's lifespan.
Q: What if the product is damaged during logistics transportation?
A: We use reinforced industrial shockproof packaging. If you find obvious damage to the product upon receipt, please take photos immediately and contact customer service. We will arrange for a fast replacement to ensure your replacement schedule is met.
Q: How does the product perform compared to original parts?
A: Our products are manufactured strictly according to OE specifications and precision processes, meeting original equipment manufacturer (OEM) standards in terms of accuracy, durability, and output performance. They represent a highly cost-effective power upgrade solution.
Q: Do I need to replace other parts when replacing the fuel pump?
A: We recommend that you simultaneously check the fuel injector spray pattern and ensure that all sealing gaskets at the connection joints are replaced to ensure the reliability of the entire common rail system's seal after installation.
