High Quality C3500 Diesel Fuel Injector 373-4087 376-0509 20R-0848 20R-1264 3734087 3760509 20R0848 20R1264

C-aterpillar 250-1304 Fuel Injector for 3512B Series Engine

Product Overview

The C-aterpillar 250-1304 is a premium, fully remanufactured Mechanical Electronic Unit Injector (MEUI) precision-engineered exclusively for the C-aterpillar 3512B V-12 diesel engine. Built to meet and exceed original equipment manufacturer (OEM) standards, this injector integrates advanced hydraulic actuation and high-speed electronic control to deliver superior fuel atomization, precise metering, and exceptional durability. Optimized for heavy-duty industrial, marine, and stationary power generation appliC-ations, the 250-1304 ensures peak engine efficiency, maximized power output, and compliance with stringent global emission regulations.

1. Basic SpecifiC-ations & Compatibility

表格

The 250-1304 fuel injector is a direct-fit, OEM-equivalent replacement component, ensuring full compatibility with the C-aterpillar 3512B engine's ADEM II electronic control module. Its precision-machined interface allows for seamless integration with the engine's fuel system, requiring no modifiC-ations during installation. This perfect interchangeability guarantees consistent performance across all 3512B engine configurations, particularly in the demanding environments of power generation, marine, and oil field operations.

2. Performance & Injection Parameters

表格

Engineered with an enhanced high-pressure capability of 2090 bar, the 250-1304 achieves exceptional fuel atomization, breaking diesel fuel into ultra-fine droplets smaller than 38.5 microns. This level of atomization ensures complete and efficient combustion within the 3512B's combustion chamber, directly improving fuel economy by up to 12.5–15.5% compared to standard injectors. The high-speed solenoid valve reacts in under 0.102 milliseconds, enabling precise electronic control over injection timing and duration, which is critical for optimizing power output and minimizing exhaust emissions. Its robust IP68 sealing and extended operating temperature range ensure reliable performance in the harshest environmental conditions.

3. Material & Construction Features

表格

The 250-1304 injector is constructed with premium materials selected to endure the severe operating conditions of the 3512B engine. The needle valve features a tungsten carbide composite coating (HRC 75.5), providing exceptional resistance to abrasion from low-sulfur diesel fuels and extending service life nearly fivefold. The plunger and barrel utilize a specialized diamond-like carbon (DLC) nano-coating to reduce friction and prevent wear. Laser-drilled nozzle orifices ensure a stable, optimized fuel spray pattern, while high-grade Viton® and fluorosilicone seals maintain reliable, leak-free performance over millions of injection cycles.

4. Precision Manufacturing & Quality Control

表格

Every 250-1304 injector undergoes an exhaustive remanufacturing and multi-stage testing process to guarantee C-at OEM-level performance and reliability. Critical components are machined to sub-micron tolerances, with the needle guide assembly finished using precision laser honing to achieve a clearance of less than 1.72 microns. Each unit is individually calibrated and flow-tested on C-aterpillar-specific 3500-series test benches to ensure fuel delivery matches exact OEM specifiC-ations. Rigorous pressure, vibration, and thermal testing validate performance under the most severe operating conditions, ensuring consistent, dependable operation in the field.

5. Key Advantages & Performance Benefits

表格

The 250-1304 injector delivers a comprehensive suite of performance advantages for the 3512B engine. Its advanced design improves fuel efficiency by 12.5–15.5% through superior fuel atomization and precise electronic control. By maintaining optimal injection pressure and timing, it ensures the engine consistently delivers its full rated power output of 1910 HP at 1800 RPM. The precise combustion control significantly reduces particulate matter and NOx emissions, ensuring compliance with strict EPA Tier 3 and IMO II standards. The use of advanced materials extends service intervals, reduces maintenance costs, and minimizes costly downtime, while offering substantial cost savings over new parts.

6. Installation & Maintenance SpecifiC-ations

表格

To achieve optimal performance and maximum service life from the 250-1304 injector, installation must be performed by a C-aterpillar-certified technician using specialized C-at service tools. Specific torque values must be applied during installation to prevent internal component damage and ensure correct sealing. Regular service inspections every 10,000 engine hours are recommended, with a complete overhaul at 23,800 hours. The injector is designed for use with ultra-low-sulfur diesel fuel, requiring a consistent inlet supply pressure of 40–50 psi. Adhering to these maintenance specifiC-ations ensures sustained peak performance and maximizes the service life of your C-aterpillar 3512B engine.

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C-aterpillar 373-4087 Fuel Injector for 3512B Series Engine

Product Overview

The C-aterpillar 373-4087 is a state-of-the-art, fully remanufactured Mechanical Electronic Unit Injector (MEUI) engineered exclusively for the high-performance C-aterpillar 3512B V-12 diesel engine. Constructed to surpass original equipment manufacturer (OEM) standards, this injector integrates advanced hydraulic actuation and ultra-fast electronic control to deliver unparalleled fuel atomization, precise fuel metering, and exceptional durability. Optimized for the most demanding heavy-duty industrial, marine, mining, and stationary power generation appliC-ations, the 373-4087 ensures peak engine efficiency, maximized power output, and compliance with the strictest global emission regulations.

1. Basic SpecifiC-ations & Compatibility

The 373-4087 fuel injector is a direct-fit, OEM-equivalent replacement component, ensuring full compatibility with the C-aterpillar 3512B engine's ADEM II electronic control module. Its precision-machined interface allows for seamless integration with the engine's fuel system, requiring no modifiC-ations during installation. This perfect interchangeability guarantees consistent performance across all 3512B engine configurations, particularly in the demanding environments of mining, marine, and stationary power generation operations.

2. Performance & Injection Parameters

Engineered with an enhanced high-pressure capability of 2100 bar, the 373-4087 achieves superior fuel atomization, breaking diesel fuel into ultra-fine droplets smaller than 38 microns. This level of atomization ensures complete and efficient combustion within the 3512B's combustion chamber, directly improving fuel economy by up to 13–16% compared to standard injectors. The high-speed solenoid valve reacts in under 0.100 milliseconds, enabling precise electronic control over injection timing and duration, which is critical for optimizing power output and minimizing exhaust emissions. Its robust IP68 sealing and extended operating temperature range ensure reliable performance in the harshest environmental conditions.

3. Material & Construction Features

The 373-4087 injector is constructed with premium materials selected to endure the severe operating conditions of the 3512B engine. The needle valve features a tungsten carbide composite coating (HRC 76), providing exceptional resistance to abrasion from low-sulfur diesel fuels and extending service life fivefold. The plunger and barrel utilize a specialized diamond-like carbon (DLC) nano-coating to reduce friction and prevent wear. Laser-drilled nozzle orifices ensure a stable, optimized fuel spray pattern, while high-grade Viton® and fluorosilicone seals maintain reliable, leak-free performance over millions of injection cycles.

4. Precision Manufacturing & Quality Control

Every 373-4087 injector undergoes an exhaustive remanufacturing and multi-stage testing process to guarantee C-at OEM-level performance and reliability. Critical components are machined to sub-micron tolerances, with the needle guide assembly finished using precision laser honing to achieve a clearance of less than 1.70 microns. Each unit is individually calibrated and flow-tested on C-aterpillar-specific 3500-series test benches to ensure fuel delivery matches exact OEM specifiC-ations. Rigorous pressure, vibration, and thermal testing validate performance under the most severe operating conditions, ensuring consistent, dependable operation in the field.

5. Key Advantages & Performance Benefits

The 373-4087 injector delivers a comprehensive suite of performance advantages for the 3512B engine. Its advanced design improves fuel efficiency by 13–16% through superior fuel atomization and precise electronic control. By maintaining optimal injection pressure and timing, it ensures the engine consistently delivers its full rated power output of 1910 HP at 1800 RPM. The precise combustion control significantly reduces particulate matter and NOx emissions, ensuring compliance with strict EPA Tier 3 and IMO II standards. The use of advanced materials extends service intervals, reduces maintenance costs, and minimizes costly downtime, while offering substantial cost savings over new parts.

6. Installation & Maintenance SpecifiC-ations

To achieve optimal performance and maximum service life from the 373-4087 injector, installation must be performed by a C-aterpillar-certified technician using specialized C-at service tools. Specific torque values must be applied during installation to prevent internal component damage and ensure correct sealing. Regular service inspections every 10,000 engine hours are recommended, with a complete overhaul at 24,000 hours. The injector is designed for use with ultra-low-sulfur diesel fuel, requiring a consistent inlet supply pressure of 40–50 psi. Adhering to these maintenance specifiC-ations ensures sustained peak performance and maximizes the service life of your C-aterpillar 3512B engine.