The SERA483-06 TPS is a classic throttle position sensor manufactured by HITACHI, primarily used in Japanese automotive engines and also found in some electronically controlled generators. It is a key sensor for engine fuel injection and power control.
Function and Use
Installed on the engine throttle body The throttle valve opening angle is detected.
The throttle valve opening change is converted into a voltage signal and transmitted to the engine ECU.
Based on this signal, the ECU, combined with data such as engine speed and intake air volume, adjusts the fuel injection rate and ignition advance angle to ensure:
- Stable idling
- Smooth acceleration response
- A reasonable air-fuel ratio and reduced fuel consumption
Main Applications
- Suzuki: Grand Vitara, Vitara, Swift, etc.
- Subaru: Impreza, Legacy, etc.
- Other small gasoline engines using HITACHI electronic control systems
Frequently Asked Questions
What products do you specialize in?
We specialize in excavator engine spare parts including cylinder blocks, cylinder heads, crankshafts, complete engine assemblies, pistons, liners, rings, camshafts, connecting rods, oil pumps, water pumps, valves, and all related engine components.
What if I only know the excavator model but not the part numbers?
You can send us photos of your existing parts, nameplate information, or dimensional specifications for reference and identification.
Do you accept sample orders?
Yes, we can supply samples of parts we have in stock. Customers are responsible for sample costs and shipping fees.
Do you test products before shipment?
All products undergo 100% quality testing before delivery to ensure performance and reliability.
What is your policy for defective items?
Our products are thoroughly tested, but if any issues arise, our professional after-sales team will promptly address and resolve them.
