161-1703 197-8393 3-Pin Low Pressure Sensor for Caterpillar C15 C12 C7 Engine
Brand: Compatible with Caterpillar (CAT)
Part Number: 161-1703, 197-8393, 1611703, 1978393
Condition:Brand New (Direct Replacement)
Connection Type:3-Pin Integral Connector
$49.96
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Bench-Tested - Every unit powered up and function-tested before dispatch.
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6-Month Warranty - From delivery, against defects in materials and workmanship.
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30-Day Returns - Unused items in original packaging. RMA required.
Professional 161-1703 197-8393 3-Pin Low Pressure Sensor for Caterpillar Heavy-Duty Engines
The 161-1703 (also 197-8393) Low Pressure Sensor is a precision instrument designed to monitor delicate pressure balances within your Caterpillar engine’s vital systems. Whether tracking fuel pressure in a C15 truck, oil levels in a 3512B marine engine, or air intake in a C-12 industrial unit, this 3-pin sensor provides essential real-time data to the ECM. Accurate readings are critical for maintaining fuel efficiency and avoiding “Limp Mode” or unplanned downtime.
I. Advanced Capacitance & Strain-Gauge Technology
Our sensors utilize sophisticated architecture to ensure long-term reliability in harsh engine environments:
[Image of capacitance pressure sensor working principle]
- High-Precision Signal: Produces a highly accurate proportional analog or PWM signal, ensuring the ECM receives a clear, noise-free representation of pressure.
- Rugged “Engine-On” Design: Built to withstand the high vibrations and thermal cycling common in 3516B/C Generator Sets and industrial power units.
- Direct Plug-and-Play: Manufactured to exact original factory specifications for a seamless replacement without harness modifications.
II. Extensive Application Across the CAT Fleet
The 197-8393 sensor is a versatile component found across a vast array of Caterpillar machinery:
| On-Highway Trucks | Reliable monitoring for 3126B, C7, C9, C-10, C-12, C-15, and C-16 engines. |
| Marine & Industrial | Trusted for 3508B, 3512B, and 3516B/C Marine Auxiliary units and SR4B Generators. |
| Construction & Specialty | Fits M325D L MH handlers, Challenger 65C/D tractors, and CPT372 Pumpers. |
III. Technical Verification & 12-Month Warranty
CRITICAL FITMENT STEP: APPLICATION SPECIFIC SENSING
To ensure you receive the correct part for your specific engine configuration:
- Configuration Check: This is a 3-pin configuration. Please verify your existing sensor matches.
- Expert Double-Check: Send us your Machine Model or Serial Number, and our team will verify fitment against the official CAT database.
- 12-Month Warranty: Full coverage against signal drifting or functional failure within the first year.
IV. Why Source from Liuchuang Parts?
Reliability First
We understand sensors are critical failure points. We prioritize factory-new components to prevent engine wear and unexpected derating.
Professional Support
Our technical team ensures you get the right part the first time, keeping your fleet operational and efficient.
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