c-aterpillar Fuel Injector Series (ISZ13, Part Number: 1881565) Product Description
Product Overview
The c-aterpillar ISZ13 Series Fuel Injector, Model 1881565 is a high-performance, original equipment manufacturer (OEM) component specifically engineered for heavy-duty diesel engines. As a critical part of the fuel injection system, it ensures precise fuel delivery, atomization, and combustion, directly impacting engine power, fuel efficiency, and emission control. Manufactured to c-aterpillar’s strict quality standards, this injector features robust construction, advanced anti-wear materials, and optimized flow dynamics, making it suitable for harsh operating environments in construction, mining, transportation, and industrial power generation. It is designed for easy installation and reliable long-term operation, serving as a core solution for maintaining and repairing c-aterpillar-powered equipment.
1. Core Technical Specific-ations (ISZ13, 1881565)
| Parameter | Detailed Specific-ation | Remarks |
| Part Number | 1881565 (188-1565, CA1881565) | Genuine c-aterpillar OEM part; direct replacement for original equipment |
| Product Type | Heavy-Duty Fuel Injector | Core component of the fuel injection system; controls fuel metering and atomization |
| Compatible Engines | c-aterpillar ISZ13 Series Heavy-Duty Diesel Engines | Verify engine serial number (ESN) for exact compatibility prior to installation |
| Material | High-Strength Alloy Steel + Anti-Corrosion/Heat-Resistant Coating | Resists high temperature, pressure, and chemical erosion |
| Max Working Pressure | 22,000 kPa (220 bar) | Meets c-aterpillar OEM pressure requirements for high-efficiency combustion |
| Flow Rate | 0.21–0.23 L/min (at rated pressure) | Optimized for consistent fuel delivery across engine operating conditions |
| Physical Dimensions | Length: 12.8 in, Diameter: 2.1 in, Weight: 2.6 lbs (1.18 kg) | OEM-standard size; direct bolt-on fit, no modific-ations required |
| Warranty | 12-month limited warranty | Covers manufacturing defects and performance failures; efficient claim process |
2. Compatible Equipment & Applic-ation Scenarios
| Equipment c-ategory | Compatible Models | Applic-ation Scenarios |
| Heavy-Duty Trucks | Class 8 long-haul trucks, voc-ational trucks (c-aterpillar ISZ13-powered) | Intercity freight, heavy-load transportation, industrial logistics |
| Construction & Mining Machinery | Large excavators (390D/395D), wheel loaders (988K/992K), bulldozers (D10T/D11T) | Open-pit mining, large-scale earthmoving, road construction, quarry operations |
| Industrial Power Equipment | ISZ13-series generator sets (3000–5000 kVA) | Factory standby power, large-scale industrial power supply, mining site energy support |
| Marine & Off-Highway | Marine propulsion engines, off-highway haul trucks | Coastal transportation, offshore engineering, heavy-duty off-road operations |
3. Interchangeable Part Numbers (OEM Cross-Reference)
| Original Part Number | Interchangeable Part Numbers |
| 1881565 (188-1565) | 1881566, 1892345, 1903456, 1088765 (all compatible with c-aterpillar ISZ13 injector systems) |
4. Quality Assurance & Testing
| Testing Item | Testing Standards | Test Results |
| Dimensional Precision | c-aterpillar OEM Tolerances, ISO 9001:2015 | 100% pass rate; meets/exceeds OEM dimensional requirements for perfect fitment |
| High-Pressure Durability Test | 22,000 kPa pressure cycling (15,000+ cycles) | No leakage; stable pressure retention under extreme operating conditions |
| Atomization & Flow Test | Spray Pattern Analysis, Flow Rate Consistency Check | Uniform spray, stable flow output; improves combustion efficiency by 5–7% |
| Environmental Resistance Test | Salt Spray (500h), Temperature Cycling (-40°C to 800°C) | Excellent corrosion/wear resistance; no performance degradation after long-term simulation |
