Essential details
MOQ:2
Lead time:stock
Specification Number:344-7390
Product Code:344-7390
Product Introduction
The Dahai 344-7390 pressure sensor is a high-performance aftermarket replacement part built to match OE specifications for Caterpillar wheel loaders. This is NOT genuine Caterpillar OEM part. Manufactured under Japanese-level quality control, it delivers stable pressure signal output for heavy-duty construction working conditions, plug-and-play direct fit without extra programming. Ideal for repair shops, fleet maintenance and field equipment overhaul to resolve sensor fault codes, unstable readings and engine power loss issues.

Key Features
✅ Dahai brand aftermarket sensor, Not genuine Caterpillar OEM part
✅ Japanese-level quality standard, strict pressure calibration & aging test
✅ Direct plug-and-play installation, no ECM reprogramming required
✅ High vibration & high-temperature resistance for construction site harsh environment
✅ Matches OE electrical signal output, eliminates fault codes caused by failed original sensor
✅ Interchangeable OE number: 344-7390 / 3447390 / 7PP4-2
✅ Cost-effective alternative for machine repair and fleet maintenance



Compatible Engines
Caterpillar C4.4, C6.6, C9.3, C3.4B engines
Caterpillar Wheel Loaders
988K
990K
Additional Compatible Caterpillar Machines (Excavators & Off-Highway Equipment)
311F LRR, 312E, 312E L, 314E CR, 314E LCR, 316E L, 318E L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D2 L, 323E L, 324E, 324E L, 324E LN, 329E, 329E L, 329E LN, 330D, 330D L, 336D, 336D L, 336D2, 336D2 L, 336E, 336E H, 336E L, 336E LH, 336E LN, 336F L