DIESEL injector 295700-0550 Solenoid Valve Assembly: Employs a low-resistance solenoid coil (0.2-0.3Ω) for shorter response time, unlike the high-resistance design of the 041470 series.
Needle Valve Assembly: Precision-fitted needle valve and valve body, using Denso's proprietary material formula and heat treatment process for superior wear resistance.
Control Piston System: Hydraulic servo control structure, achieving precise needle valve movement through changes in control chamber pressure.
Fuel Injector: Multi-hole structure with nozzle layout and angle optimized for Toyota engine combustion chambers.
Sealing Components: Utilizes Denso's proprietary sealing materials and structure for higher sealing performance requirements.
Product Parameters
|
Model |
295700-0550 Denso Original Part Number |
|
Applicable Engines |
Toyota 1GD-FTV, 2GD-FTV, and other diesel passenger cars/SUVs |
|
Installation Method |
Cylinder head mounting requires a special clamping plate for fixation |
|
Solenoid Coil Resistance |
0.2-0.3Ω (low resistance type), measured at room temperature (20℃), resistance value differs from 041470 series |
|
Operating Voltage |
12V/24V depending on vehicle configuration |
|
Drive Current |
8-12A peak current |
|
Response Time |
≤1ms solenoid valve opening time |
FAQ
Q: Can the 295700-0550 and 041470 series injectors be used interchangeably?
A: Absolutely not. The 295700-0550 belongs to the DENSO injector system, while the 041470 series belongs to the Bosch/Delphi system. There are significant differences between the two in terms of electromagnetic coil resistance, calibration data, ECU matching parameters, and mounting dimensions. Forcibly mixing them will cause abnormal engine operation, ECU errors, and even damage to the engine control system. When replacing, you must use the original manufacturer's specified model or a certified replacement part.
Q: Which specific car models is this injector compatible with?
A: The 295700-0550 is mainly compatible with the Toyota 1GD-FTV (2.8L diesel) engine, specifically for models including the Toyota Hilux, Prado, and Land Cruiser diesel versions. When compatible with the 2GD-FTV (2.4L diesel) engine, you need to confirm that the ECU calibration data matches. Before actual application, the engine model, ECU version, and injector calibration code must be verified. These may vary depending on the model year.
Q: How to distinguish between Denso and Bosch injectors?
A: Distinguishing features can be made as follows:
Model Identification: Denso injector models typically begin with "295700", "23670", etc., while Bosch/Delphi models begin with "0445", "041470", etc.
Appearance Features: Denso injectors differ from Bosch injectors in details such as the solenoid valve housing and sealing ring structure.
Electrical Parameters: Denso injectors are mostly low-resistance (0.2-0.3Ω), while some Bosch models are high-resistance.
Calibration Code Location: Denso injector calibration codes are usually located in a specific position, and the format differs from Bosch.
It is recommended to read the injector information using professional equipment or consult the original manufacturer's technical staff for confirmation.
Q: Is ECU matching required after replacing this injector?
A: ECU matching or coding learning is mandatory. The 295700-0550 injector has built-in calibration data. After replacement, the ECU needs to re-identify the injector parameters; otherwise, it may lead to fuel injection deviations and abnormal engine operation. For some models, injector coding learning or fuel injection balance testing can be performed using dedicated diagnostic equipment. Specific procedures should be followed in the Toyota original repair manual; non-professionals should not attempt to perform these procedures themselves.
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