Products Description
Connect：
|
Product name |
Sensor |
|
Part number |
319-4407 |
|
Excavator model |
558 336F LN 329E LN 326F L 318E L 352F |
|
Lead time |
1-3 days after payment |
|
Packing |
neutral/original |
|
MOQ |
1 PC |
|
Quality |
high quality |
|
Warranty |
3-6 months |
|
Shipping |
DHL, UPS, FedEx, Air, Sea, DDP |
|
Payment |
TT/Alibaba Trade Assurance/Credit card/Western Union/Alipay/Wechat |
Core Advantages
JCB 3DX/4DX Exact Match
- 1:1 replication of original mounting holes, flange size, and oil line ports
- No need to modify engine brackets or tubing; fits seamlessly into the 444 engine bay
Dual-Benefit Performance
- Power boost: Elevates 444 engine output from 76hp to 93hp (critical for uphill grading)
- Fuel efficiency: Optimized air-fuel ratio reduces idle fuel waste during long work shifts
High-Temp Durability
- Turbine wheel: Made of nickel-based superalloy (resists 900℃ exhaust temps)
- Sealed floating bearing: Lubricated by engine oil, reduces wear under 12,000+ RPM operation
User-Friendly Kit
- Includes installation gasket, oil line seal rings, and torque specification sheet
- Pre-balanced at factory: No post-installation calibration needed
Failure Warning Signs
Pressure display anomalies
Control panel shows erratic or no pressure readings
Hydraulic system instability
Boom/arm moves unpredictably (e.g., sudden lurches)
Warning lights
Pressure-related fault codes or indicator lights on the dashboard
Signal loss
ECU fails to receive pressure data (causes system to enter safe mode)
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