c-ummins Fuel Injector ISZ13 Series 4326989 Product Description
Product Overview
c-ummins Fuel Injector 4326989 is a high-performance OEM-grade enhanced common rail injector specially designed for c-ummins ISZ13 series heavy-duty diesel engines, integrating upgraded XPI (Extreme Pressure Injection) technology and a high-stability reinforced hydraulic control system. As a core precision component of the engine’s fuel supply system, it is elaborately manufactured from high-strength heat-resistant and corrosion-resistant alloy steel through micron-level precision machining and strict heat treatment processes. This advanced production ensures it can stably withstand extreme high temperatures (up to 445℃), high pressure, and fuel corrosion in harsh working environments such as mining, long-haul transportation, heavy construction, and marine operations. Its optimized high-precision multi-orifice nozzle (with enhanced anti-clogging, anti-carbon deposition and anti-wear design) and high-sensitivity electronic control unit (ECU) achieve ultra-fine fuel atomization and millisecond-level accurate injection timing, which not only improves combustion efficiency by 17-20% but also significantly reduces fuel consumption and harmful emissions—fully complying with Euro VI and China National VI emission standards. As a direct OEM replacement part, it perfectly matches the original engine dimensions and installation position, requiring no modific-ations during installation. Each unit undergoes 100% pre-delivery pressure, flow rate, and spray quality testing, adhering to ISO 9001, TS 16949, and CE certific-ations. Inheriting the high reliability of c-ummins components, it integrates advanced control technology and optimized structural design, providing a more efficient, durable, and cost-effective solution for equipment maintenance and performance upgrading, while ensuring the stable and reliable operation of the entire fuel supply system.
1. Basic Product Information & Core Specific-ations
| General No. |
Product Name |
OEM Cross Reference Numbers |
Core Specific-ations |
| 4326989 |
c-ummins Fuel Injector |
4326989, 432-6989, 4326959, 4307217, 2894920PX, 2872544 |
Material: High-Strength Heat & Corrosion-Resistant Alloy Steel; Type: Upgraded XPI Common Rail Injector; Weight: 2.95kg; Size: 32.4×13.6×7.3cm; Injection Pressure: Up to 2650bar; Response Time: ＜1.6ms; Certific-ation: ISO 9001, TS 16949, CE, ROHS; Nozzle Type: High-Precision Multi-orifice (Enhanced Anti-Clogging, Anti-Carbon Deposition, Anti-Wear, Optimized for ISZ13 Direct Injection Combustion Chambers) |
2. Product Features & Competitive Advantages
| General No. |
Product Name |
OEM Cross Reference Numbers |
Features & Advantages |
| 4326989 |
c-ummins Fuel Injector |
4326989, 432-6989, 4326959, 4307217, 2894920PX, 2872544 |
1. Upgraded XPI technology + reinforced hydraulic control system for ultra-fast response (＜1.6ms) and precise fuel metering, adapting to complex, harsh and long-hour working conditions of ISZ13 engines; 2. High-strength alloy with special heat treatment and anti-wear coating ensures superior heat resistance, corrosion resistance and wear resistance, extending service life in extreme environments; 3. Enhanced anti-clogging, anti-carbon deposition and anti-wear multi-orifice nozzle realizes ultra-fine fuel atomization, improving combustion efficiency by 17-20%, reducing fuel consumption and meeting strict global emission standards; 4. 100% pre-delivery testing (pressure, flow, spray) ensures zero leakage, no dripping and long-term reliable operation; 5. OEM-compatible design, direct replacement without modific-ation, greatly saving maintenance time and labor costs; 6. Enhanced sealed structure and precision machining process extend service life by 60% compared to ordinary injectors; 7. Low noise operation, stable performance under heavy loads, reduced engine vibration, and improved driving comfort and equipment stability. |
3. Compatible Equipment & Applic-ation Scenarios
| General No. |
Product Name |
OEM Cross Reference Numbers |
Compatible Equipment & Applic-ations |
| 4326989 |
c-ummins Fuel Injector |
4326989, 432-6989, 4326959, 4307217, 2894920PX, 2872544 |
c-ummins ISZ13 series diesel engines; heavy-duty long-haul trucks; mining dump trucks; large excavators; industrial generator sets (215-840kW); marine auxiliary engines; heavy construction machinery (bulldozers, road rollers, cranes) that require high power, high fuel efficiency, high reliability and strict emission compliance, especially suitable for harsh working environments with high dust, high humidity, frequent heavy-load operations and long continuous working hours. |
4. Quality Assurance & Maintenance Guidelines
| General No. |
Product Name |
OEM Cross Reference Numbers |
Quality & Maintenance |
| 4326989 |
c-ummins Fuel Injector |
4326989, 432-6989, 4326959, 4307217, 2894920PX, 2872544 |
12-month warranty; 100% pre-delivery pressure, flow and spray quality testing to ensure compliance with OEM working requirements. Maintenance guidelines: Use clean high-grade low-sulfur diesel (max 10ppm sulfur); replace fuel filters every 6,000-8,000 working hours (adapted to harsh and long continuous working environments); inspect for leaks and wear every 300 working hours; avoid disassembling the injector without professional guidance to prevent damage to internal precision components. Delivery: 3-7 working days (standard), 1-3 working days (urgent); neutral or customized packaging is available according to customer needs. |
Note: Verify OEM cross reference numbers and engine model before purchase to ensure compatibility. The product is packaged in an anti-static and shock-proof box to effectively protect precision components from static damage, transportation collision and dust pollution. This injector is a key precision component of the diesel engine fuel supply system, whose quality directly affects engine performance, fuel economy and emissions, and is crucial for the stable and safe operation of the entire equipment.
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