Reliable oil pressure monitoring is the heart of engine longevity. The 197-8394 Oil Pressure Sensor is a critical feedback component for modern heavy-duty engines, providing real-time data to the ECM to prevent friction damage. As a specialized 1978394 Replacement Supplier, we focus on durability and precision for operators in demanding environments.
Our sensors meet OEM Standard Specifications, ensuring seamless integration with your existing wiring harness and mounting points without modification.
The 197-8394 is compatible with a wide range of Caterpillar heavy equipment and power systems:
| Equipment Type | Supported Models & Engines |
|---|---|
| Excavators | 345B, 345B L, 365B, 365B L, 385B series |
| Diesel Engines | C10, C12, C15, C16, C18, 3406E, 3456, 3176C, 3196 |
| Wheel Loaders | 988G, 990II, 992G |
| Trucks | 735, 740 Articulated; 771D, 773E, 775E Off-Highway |
Why professional workshops choose our 197-8394 / 1978394 sensors for engine overhauls:
| Feature Description | Standard Market Grade | Our OEM-Standard Sensor |
|---|---|---|
| Internal Structure | Basic diaphragm | Tri-metal reinforced structure |
| Signal Accuracy | +/- 3.0% tolerance | +/- 0.5% high-precision calibration |
| Seal Material | Generic rubber | Viton industrial-grade anti-leak seals |
| Temp Resistance | Up to 105 Degrees C | Tested up to 150 Degrees C |
| Vibration Rating | Standard duty | Heavy-duty mining specification |
| Failure Rate | Variable batch quality | Zero-defect individual testing protocol |
| Model NO. | 197-8394 / 1978394 | Part Number: | 197-8394 (1978394) |
| Product Name: | Oil Pressure Sensor Group | Stock Status: | In Stock |
| Condition: | Brand New Replacement | MOQ: | 1 Piece |
| Payment: | T/T, Western Union, MoneyGram | ||
| Shipping: | DHL, Fedex, UPS, EMS (Fast Global Dispatch) | ||
| Package: | Export Grade Industrial Box | ||
Not sure how this issue affects your equipment? Our team helps operators:
Identify potential risks during maintenance checks
Recommend suitable replacement parts based on ESN
Support both inspection advice and parts supply
Question: Why Choose This Oil Pressure Sensor?
Answer: Our units feature an OEM-standard tri-metal structure. They are trusted by repair shops and equipment fleets for stability in extreme vibration zones.
Question: How to handle "Low Oil Pressure" fault codes?
Answer: First, verify the physical oil level. If levels are normal, the 197-8394 sensor often has internal resistance issues. Replacing the sensor is the most cost-effective first step in troubleshooting electronic false alarms.
Direct Sales Line for Bulk Pricing & Stock Inquiries
WhatsApp: +86 13532379052Email: [email protected]
Visit Official Facebook PageOur core business focuses on high-quality engine assemblies and spare parts for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. We stock a comprehensive range of components: Cylinder Liners, Piston Kits, Piston Rings, Main Bearings, Connecting Rod Bearings, Thrust Washers, Full Overhaul Gasket Sets, Fuel Injection Pumps, Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.
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