Peoduct Overview:
145701 is a standard matched exhaust valve specially made for early Cummins NTA855 engines. It is an essential replacement part for old equipment maintenance. With accurate OEM size and reliable heat-resistant performance, it ensures smooth exhaust flow and stable engine operation. Widely used for overhaul and daily repair of aged heavy-duty machinery, it is the preferred practical spare part for vintage engine maintenance.
Specification Table:
| Item | Parameter |
|---|---|
| Part Number | 145701 |
| Product Type | Exhaust Valve |
| Applicable Engine | Cummins NT855 / N14 |
| Head Diameter | 48.5 mm |
| Stem Diameter | 12 mm |
| Total Length | 152 mm |
| Single Weight | 0.38 kg |
| Hardness | HRC 48–55 |
| Max Working Temperature | 900°C |
Key Features:
✅ Excellent High-temperature Resistance: No obvious deformation or ablation under 900℃ long-term continuous operation.
✅ Superior Air Tightness: Cold-state air leakage ≤5mL/min, thermal sealing fitting degree ≥98% to keep stable engine compression.
✅ Long Fatigue Life: Withstand more than 1 million opening and closing cycles without cracks or fractures.
✅ Standard Assembly Clearance: Cold exhaust valve clearance 0.35-0.40mm, fully compliant with Cummins NT855 factory standard.
Why Choose Us?
✅ 100% Original CCEC Genuine Parts, Factory Direct Supply
✅ Strict Quality Testing, Full Pre-shipment Inspection
✅ Authorized Agent Wholesale Price, Cost-effective
✅ Professional Cummins Technical Matching Support
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