CAT 161-1703 Low Pressure Sensor | Caterpillar C7 C9 C12 3512C 3516C
CAT 161-1703 Low Pressure Sensor | Caterpillar C7 C9 C12 3512C 3516C
CAT 161-1703 Low Pressure Sensor for Caterpillar C7 C9 C12 3512C 3516C
OEM-quality engine low pressure sensor (Part No. 161-1703 / 1611703) engineered for Caterpillar diesel engines and heavy machinery. Precisely monitors engine fluid pressures—including engine oil pressure, fuel pressure, and atmospheric/intake pressure—and converts measurements into reliable electrical signals transmitted directly to the Electronic Control Module (ADEM / ECM). Enables accurate engine control, low-pressure alert monitoring, and derate protection to safeguard high-horsepower engines under rigorous continuous operating demands.
Part Specifications
- Part Number: 161-1703 (1611703)
- Brand: Caterpillar (CAT)
- Component: Low Pressure Sensor (Engine Oil / Fuel / Atmospheric Pressure Sensor)
- Condition: New / OEM Replacement
- Connector Type: Multi-Pin Sealed Electrical Connector
- Country of Origin: China
- HS Code: 9026.20
- Application: Heavy-Duty Engine Electronic Monitoring & Protection
Compatible Caterpillar Engine Models
Designed for Caterpillar medium and heavy-duty diesel engines across power generation, industrial, marine, and construction platforms, including:
- Caterpillar Engines: C7, C9, C-9, C10, C12, C15, C16, C18, 3126, 3126B, 3406E
- High-Horsepower Engines: 3508B, 3512B, 3512C, 3516B, 3516C
- Equipment Applications: Excavators, Wheel Loaders, Articulated Trucks, Track-Type Tractors, Petroleum Power Units, and Marine Propulsion / Auxiliary Generator Sets
- Please verify engine serial number and pressure port thread specifications prior to ordering.
Cross-Reference & Alternate Part Numbers
161-1703 | 1611703 | 216-8684 | 2168684 | CAT1611703
Why Choose Us?
- Global B2B wholesale supply for engine rebuilders, fleet operators, and parts retailers
- Competitive volume pricing and bulk discounts
- 100% factory pressure and signal calibration tested
- Fast worldwide air express and ocean freight delivery
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