Product Overview:
Designed exclusively for high-power, continuous-duty Cummins NT855/NTA855 (Big Cam) engines, the 3801708 water pump delivers superior cooling performance under the most demanding heavy-load conditions. Built with reinforced cast iron housing and precision-machined impellers, it maintains optimal engine temperature even in extreme heat and continuous operation.
Specs Table:
| Category | Details |
|---|---|
| Part Number | 3801708 (Genuine) |
| Engine Fit | NT855 / NTA855 Big Cam III / IV |
| Material | Cast Iron Housing + Cast Iron Impeller |
| Weight | 10–12 kg |
| Type | Centrifugal Cooling Water Pump |
| Impeller Diameter | 4.5" (114.3 mm) |
| Pulley | 4.25", 6-Rib Multi-Groove |
| Installation | Bolt-on direct replacement |
| Ports |
2×1/8" threaded holes
|
Core Features (High Load & High Power Oriented)
✅Ventilated impeller design, eliminate cavitation, stable water flow under high speed operation
✅Thickened pump body & reinforced bearing assembly, resist long-time high-load vibration
✅Optimized flow channel structure, strong heat dissipation capacity, fit high-power engine high temperature working condition
✅Universal installation interface, fully interchangeable with old versions 3045163 / 3801788
✅High sealing performance, anti-leakage, adapt harsh dusty & muddy working environment
✅Large circulation volume, fast engine temperature control, avoid overheating under continuous heavy load
Why Choose Us ?
✅100% original standard size, direct installation no modification
✅Strict factory test, long service life for heavy-duty continuous use
✅Complete stock, fast global delivery
✅Professional engine part matching support, accurate model confirmation
✅Cost-effective bulk supply, stable quality for aftermarket replacemen
Name: Aandy
Mobile:
Tel:19924579082
Email:1941346301@qq.com
Add:5F, Block 4, Next Industrial Park, 136 Zhongkang Road, Futian Dist, Shenzhen