Product Introduction: DENSO Automotive Fuel Injector (Part Number: 295050-2510)  

Executive Summary  

The DENSO 295050-2510 fuel injector is a precision-engineered common-rail diesel injector designed for heavy-duty commercial and industrial applications. As part of DENSO's advanced fuel injection system portfolio, it emphasizes superior fuel efficiency, emission reduction, and durability under extreme operating conditions. While specific public technical data for model 295050-2510 is limited, this document provides a comprehensive overview based on DENSO's established engineering principles, analogous injector series (e.g., G2, X1), and industry standards. It covers structural features, technical advantages, application scenarios, OEM cross-referencing guidance, and preventive maintenance recommendations to serve as a reliable resource for engineers and technicians.  

 1. Structural Features and Technical Advantages  

The DENSO 295050-2510 injector incorporates a precision multi-hole nozzle optimized for superior fuel atomization, enabling optimal air-fuel mixing and combustion efficiency. Its high-response solenoid valve allows rapid actuation (with precision up to ±0.1 ms), supporting multiple injection events per cycle (e.g., pilot, main, and post injections) to reduce combustion noise and emissions. The injector's robust internal construction includes hardened components like the armature, ball valve, and control piston, which withstand extreme pressures common in DENSO common-rail systems. A hydraulic servo system leverages fuel pressure to ensure swift needle movement and tight sealing, while an optimized magnetic circuit minimizes energy loss and heat generation. Critical internal adjustments, such as armature lift (typically calibrated to 45–55 μm for analogous DENSO G2 injectors), are finely tuned to directly influence fuel delivery, particularly for pre-injection and full-load conditions.  

The technical advantages of the 295050-2510 are rooted in its structural design. It delivers enhanced fuel economy and power output through high-pressure injection (compatible with systems up to 2,500 bar) and milligram-level fuel metering accuracy, promoting complete combustion. This also enables significant emission reduction, cutting particulate matter (PM) and nitrogen oxides (NOx) to comply with Euro III/IV standards. The injector's durability and reliability are enhanced through corrosion-resistant materials, minimized internal leakage, and resistance to wear in high-stress environments. Additionally, its adaptability allows seamless integration with advanced emission control systems like exhaust gas recirculation (EGR) and diesel particulate filters (DPF), making it suitable for diverse engine configurations.  

 2. Application Scenarios and Primary Application Fields  

The DENSO 295050-2510 injector is designed for diesel engines in heavy-duty commercial vehicles and industrial machinery. Its primary applications include:  

- Heavy-Duty Trucks and Buses: Ensures reliable performance under high-mileage operations and extreme load conditions.  

- Construction and Mining Equipment: Used in machinery like excavators where resistance to vibration, contamination, and high-pressure fluctuations is critical.  

- Agricultural Machinery: Suitable for tractors and combines requiring consistent fuel delivery in dusty environments.  

- Industrial Generators: Supports stationary power units where emission control and fuel efficiency are prioritized. To confirm specific compatibility with engine models, consulting official DENSO documentation or OEM service manuals is strongly recommended.  

 3. OEM Cross-Reference Part Numbers  

Cross-referencing part numbers is essential for identifying correct replacements. While specific OEM references for the 295050-2510 are not listed in public results, analogous DENSO injectors (e.g., 295050-0810 for Toyota 2KD-FTV engines) follow standardized cross-referencing patterns. Key guidance includes:  

- DENSO Original Part Number: 295050-2510 (primary reference).  

- Potential OEM Equivalents: Similar models like 295050-0810 correlate to Toyota OEM codes (e.g., 23670-0L110 for 2KD-FTV engines). Other examples include 295050-0540 (alternative DENSO code) and 295050-0920 (for Komatsu applications).  

- Aftermarket Alternatives: Parts from suppliers like Terrain Tamer (e.g., kits for Toyota Hilux 1KD-FTV) may offer compatibility.  

- Diagnostic Tools: Bosch testing equipment (e.g., EPS 200/205) uses adapters (e.g., 1 684 465 679) for DENSO injectors, ensuring accurate identification. Always verify cross-references via official DENSO catalogs or OEM databases to avoid performance issues.  

 4. Recommendations for Daily Preventive Maintenance  

Proper maintenance is critical for ensuring longevity and optimal performance. Key recommendations include:  

- Use High-Quality Fuel: Adhere to diesel standards (e.g., EN 590) to prevent nozzle deposits and internal wear. Contaminated fuel is a leading cause of injector clogging and failure.  

- Regular Filter Replacement: Replace fuel filters every 15,000–30,000 km (or as specified) to avoid abrasive particle ingress.  

- Periodic System Cleaning: Employ certified detergents to dissolve deposits. For severe fouling, professional ultrasonic cleaning is recommended.  

- Nozzle and Needle Maintenance: Prevent needle valve sticking by disassembling and cleaning injectors periodically with non-abrasive tools (e.g., wooden sticks or bamboo skewers) to remove carbon deposits from nozzle holes.  

- Electrical and Leak Checks: Monitor coil resistance (e.g., 0.5–0.7 mΩ for G2 models) and inspect for leaks, cracked seals, or worn wiring during servicing.  

- Professional Inspections: Schedule comprehensive checks every 60,000–100,000 km, including injector calibration and pressure testing using DENSO-approved tools (e.g., Bosch EPS 200/205 with adapter kits).  

- Avoid Over-Tightening: During installation, prevent thread damage and misalignment by following torque specifications. Address symptoms like rough idling or power loss promptly to mitigate further damage.  

5. Fuel Injector Supplier

Rsolid is a professional diesel fuel injector manufacturer provides high quality and durable diesel fuel injector replacements for different brands of engines or produce fuel injector according to your request. The company is positioned as a specialized and excellent supplier in the foreign trade of automotive components, including high-quality fuel injectors. With years of experience in the international market, Rsolid has established itself as a reliable partner for global clients seeking authentic Denso products and comprehensive, value-added services. The company operates with a strong commitment to quality assurance, often backed by international certifications common in the automotive parts industry,ensuring that all parts, undergo rigorous testing for flow rate, pressure endurance, and leak integrity before being offered for sale. Rsolid's business model would typically include maintaining a diverse and comprehensive inventory of both OEM and premium aftermarket parts, with cross-compatible options to cater to a wide range of applications and global clientele, from individual workshops to large fleet operators. If you are looking for diesel fuel injector or OEM engine fuel injector, feel free to contact us.