Dahai heavy equiment part

Dahai heavy equiment part 10 years Professional in heavy equipment parts,especially sensor, solenoid,wireless ,starter,dynamo,etc. Japanese quality control

22/06/2026

In the construction and mining industry, equipment stability and precision are crucial for efficiency and profitability. Sensor failures can cause inaccurate data, shutdowns, costly delays, and operational losses. To address these issues, our high-performance E320 Excavator Sensor is designed for Caterpillar E320 series excavators, offering durability, precision, and reliability. Featuring advanced core chips and high-sensitivity elements, it provides real-time monitoring of hydraulic pressure, temperature, and operating data with rapid response and high accuracy, supporting intelligent control and preventing common faults. Built with reinforced industrial-grade shells and sealing technology, it withstands harsh environments, high pressure, and corrosion, ensuring long-term stable performance and reducing replacement needs. Compatible with Caterpillar E320 series and other models, it supports plug-and-play installation, minimizing downtime and enhancing maintenance efficiency. Our sensors undergo rigorous quality inspections, ensuring stable signal transmission, low failure rates, and reliable performance. With global recognition for precision, durability, compatibility, and cost-effectiveness, our E320 sensor is an ideal choice for stable operations and reduced costs. We welcome global customers to consult, cooperate, and place orders, offering premium products and professional services to support engineering operations.

24/03/2026

7N-0718
7N-0719
7N-4160














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How to Judge the Quality of an Excavator Oil Pressure Switch

1. Appearance: Quality switches have sturdy connectors, clear markings, and smooth threads. Poor ones often have rough casting or loose terminals.

2. Resistance Test: Use a multimeter. A good switch shows continuity (low resistance) when the engine is off, and open circuit (infinite resistance) when pressure is applied.

3. Leakage: After installation, no oil seepage around the threads or connector indicates good sealing.

4. Accuracy: Compare the warning light behavior with a mechanical gauge. Delayed or erratic signals suggest a faulty sensor.

For reliable performance under high vibration and temperature, **DAHAI** is a trusted brand known for durable, precision-engineered oil pressure switches. Always choose DAHAI or other reputable OEM alternatives to ensure long-term reliability.

29/11/2025

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Sanyuanli
Sanyuanli

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