Product Overview: Denso Automotive Fuel Injector 23670-09460

The Denso Automotive Fuel Injector, part number 23670-09460, represents a critical component in modern engine management systems. As a premier supplier of automotive components, Denso designs fuel injectors that meet stringent requirements for performance, efficiency, and emissions control. This injector is engineered to deliver precise fuel metering and superior atomization, which are essential for optimizing combustion efficiency, enhancing engine power output, and reducing environmental impact. While specific technical data for this model is unavailable in the search results, the following sections outline its typical features, applications, and maintenance guidelines based on Denso's renowned engineering expertise and industry standards. This overview will cover its structural characteristics, technical advantages, application scenarios, and crucial preventive maintenance recommendations to ensure maximum service life and consistent performance.

 1. Structural Features and Technical Advantages

Denso fuel injectors are celebrated for their sophisticated internal architecture and precision engineering. The 23670-09460 model likely incorporates several advanced structural features. A key characteristic is the use of high-precision materials for its core components, such as the nozzle needle, valve seat, and injector body, which are typically constructed from durable, corrosion-resistant materials like stainless steel to withstand high-pressure conditions and resist wear over time. The injector's heart is a precision-wound electromagnetic solenoid engineered for exceptionally fast response times, enabling rapid opening and closing of the injector valve. This is complemented by a multi-orifice nozzle designed to create a finely atomized, conical fuel spray pattern for optimal air-fuel mixing. An integrated micro-filter at the fuel inlet is another critical structural feature, protecting the injector's delicate internal passages from particulate contaminants and ensuring operational integrity and longevity .

The technical advantages derived from this refined design are substantial. The primary benefit is superior fuel atomization, which creates a fine, homogeneous mist that mixes thoroughly with air in the combustion chamber. This leads to more complete and efficient combustion, directly translating into enhanced fuel economy and a significant reduction in harmful emissions, such as unburned hydrocarbons and nitrogen oxides. The fast response characteristics of the solenoid allow for highly precise fuel delivery across the entire engine operating range, from idle to full load. This precision contributes to improved engine performance, including smoother idling, more responsive acceleration, and overall stable operation. Furthermore, the robust construction and use of high-quality materials ensure consistent performance and an extended service life, providing excellent long-term value and reliability. The design likely emphasizes minimal pressure loss and high resistance to deposit formation, ensuring consistent performance over time.

 2. Application Scenarios and Primary Application Fields

The Denso 23670-09460 fuel injector is engineered for use in internal combustion engines within the automotive sector. Its primary application is in passenger cars and light-duty commercial vehicles. This injector serves as a critical component in modern electronic fuel injection systems, where its role is to deliver a precisely metered amount of fuel directly into the engine's intake manifold or combustion chamber at the exact moment commanded by the engine's Electronic Control Unit (ECU). The reliable performance of this injector is essential for achieving the engine's designed power output, torque characteristics, and compliance with stringent modern emissions standards. While not explicitly listed in the search results for this part number, Denso's components are widely used by various automotive manufacturers globally. Its precise operation makes it suitable for a wide range of engine types, including those in gasoline applications, where it ensures optimal combustion, drivability, and environmental compliance.

 3. OEM Cross-Reference Numbers

Identifying accurate cross-reference numbers is crucial for ensuring compatibility and finding equivalent parts from other manufacturers. To obtain reliable and verified compatibility information, it is strongly recommended to consult authoritative professional resources. Technicians and parts specialists should refer to official Denso application catalogs or comprehensive professional automotive databases. These specialized tools are the only way to guarantee the correct identification of all equivalent part numbers (OEM crosses) and the specific vehicle models for which the Denso 23670-09460 is suited. For instance, some Denso injector models, like the 23670-30040, may require specific Denso-branded adapter cables for testing and connection . Relying on verified sources prevents compatibility issues and ensures optimal performance and system longevity.

 4. Daily Preventive Maintenance Recommendations

Proper and proactive maintenance is paramount for maximizing the service life and ensuring the consistent performance of the Denso 23670-09460 fuel injector. Adherence to a disciplined maintenance schedule can prevent common issues such as clogging, poor atomization, and injector failure. This aligns with the broader principle of preventive maintenance for precision equipment, which aims to capture the precursors of possible faults and take timely measures to ensure stable operation .

The most critical maintenance practice is the consistent use of high-quality, clean fuel and the strict adherence to fuel filter replacement intervals. Contaminants in fuel are a primary cause of injector wear and failure. Using fuel from reputable sources that meet the vehicle manufacturer's specifications and replacing the vehicle's fuel filter at the intervals specified in the owner's manual are essential steps to prevent debris from reaching the injector's delicate internal passages and integrated filter . Furthermore, all fuel lines should be regularly inspected for signs of damage, such as cracks, brittleness, wear points, or bubbles, and any damaged lines must be replaced immediately, as repairs are not advisable .

Periodic inspection and professional cleaning of the injectors are also highly recommended. Over time, carbon and varnish deposits can form on the injector tips, disrupting the delicate spray pattern. Professional cleaning, either using specialized fuel system cleaning additives introduced into the fuel tank or, for more thorough maintenance, via a professional off-car ultrasonic cleaning service, can help restore the injector's flow rate and spray pattern to their original specifications. It is also vital to maintain the overall health of the vehicle's systems. This includes regular checks of the engine's air intake system and ensuring that all electrical connections to the injectors are secure and free from corrosion or looseness, as faults in these areas can indirectly affect combustion efficiency and injector performance . For all maintenance and repair tasks, following the procedures and safety information outlined in the official vehicle service manual is essential for ensuring correct and safe operations.

5. Fuel Injector Supplier