Diesel Engine Alarm Oil Pressure Sensor Switch 31A90-00601 IP65 Dustproof
Product Details
| Delivery Time: | 1–7 Working Days After Payment | Sample Service: | Single Sample Available |
|---|---|---|---|
| Main Model No.: | 31A90-00601 | Made In: | China |
| Protection Grade: | IP65 Anti-Oil-Leakage & Dustproof Sealing | ||
| Highlight |
IP65 oil pressure sensor switch,Dustproof oil pressure sensor switch,Dustproof engine oil pressure switch |
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Product Description
Construction Machinery Diesel Engine Oil Pressure Alarm Switch 31A90-00601
Adopts high fatigue resistance stainless steel pressure sensing diaphragm, stable mechanical switch trigger pressure without threshold offset under long-term engine circulating high temperature oil and continuous vibration environment. Effectively eliminate original switch aging defects: pressure trigger failure, permanent short circuit, diaphragm fatigue oil leakage, terminal poor contact. Stable mass production, abundant stock for fast shipment.
| Specification | Details |
|---|---|
| Brand | ZVEZDA |
| Main OE No. | 31A90-00601 |
| Cross Reference OE | 31A9000601, MM409580 |
| Product Type | Single Flat Terminal Mechanical Engine Oil Pressure Warning Switch Assembly |
| Compatible Equipment | Mitsubishi S4S, S4Q2, S6S Diesel Engine, Mitsubishi Forklift, CAT Mini Excavator, Komatsu Mini Loader |
| Rated Working Pressure | 0–0.8MPa Lubrication Engine Oil |
| Trigger Pressure Standard | Factory Pre-Calibrated OEM Low Pressure Cutoff Threshold |
| Waterproof Grade | IP65 |
| Thread Spec | Standard External Galvanized Steel Thread For Engine Oil Gallery |
| Origin | China |
| Delivery Time | 1–7 Working Days After Payment |
| Warranty | 6 Months Under Continuous Diesel Engine Working Condition |
| Packaging | Neutral Carton Packing, No Brand Logo |
| Supporting Accessories | Complete Switch Assembly + HNBR Oil-Proof Seal Ring + Plastic Thread Protective Cap |
| Sample Service | Single Sample Available With Pressure Trigger Stability Test Report |



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Question & Answer
| No. | Question & Answer |
|---|---|
| Q1 |
Q: Which machinery fits ZVEZDA 31A90-00601 oil pressure warning switch? A: Direct replacement for all equipment equipped with Mitsubishi S4S/S4Q2/S6S diesel engine, interchange OE 31A9000601 & MM409580, standard external thread screw-in install without modifying engine oil gallery. In stock, ship within 1–7 working days. |
| Q2 |
Q: Oil pressure lamp still no low pressure alarm after replacement? A: Fatigued stainless steel sensing diaphragm leads to shifted trigger pressure, replace complete ZVEZDA integrated oil pressure switch to restore accurate low oil pressure warning function. |
| Q3 |
Q: Can this oil pressure switch replace intake MAP sensor or coolant temperature sensor? A: Not interchangeable. This mechanical lubrication oil pressure alarm switch detects engine lube oil pressure; MAP sensor measures intake air pressure, water temp sensor monitors cooling liquid temperature, different working medium and detection principle. |
| Q4 |
Q: Core advantages of ZVEZDA 31A90-00601 engine oil pressure warning switch? A: High fatigue stainless steel sensing diaphragm, stable fixed low-pressure trigger threshold, thick anti-corrosion galvanized steel thread body, grey elastic oil-proof insulation sleeve, HNBR high temp anti-leakage sealing, OEM standard thread size direct bolt replacement, neutral unbranded packaging, perfectly match Mitsubishi S4/S4Q2/S6S engine lubrication pressure safety alarm system. |
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