
3928639-6CT thermostat
We mainly deals in Dongfeng truck accessories (engine/axle/gearbox/cabin), especially Dana axle accessories and Cummins engine parts (4BT, 6BT, 6CT, 6L, ISBE, ISDE, ISLE,ISF2.8, ISF3.8, NTA855, KTA19,KTA38, KTA50, M11, ISM, etc.) with great advantages
Product Descreiption
1. Basic Parameters
- Model: 3928639-6CT
- Type: Engine cooling system thermostat
- Working temperature: Standard opening temperature for engine coolant circulation
- Material: High-temperature resistant alloy housing + thermal sensing core component
- Specification: Standard size matching dedicated engine models, sealed anti-leakage structure
2. Installation Position
Installed on the engine coolant pipeline, mainly mounted at the engine water outlet or upper water pipe joint, between engine body and radiator cooling loop.
3. Main Functions
- Control coolant flow to adjust engine operating temperature quickly
- Keep engine running within optimal constant temperature range
- Speed up engine warm-up process to reduce cold start wear
- Prevent engine overheating and low-temperature inefficient operation
- Stabilize vehicle fuel consumption and improve overall engine working efficiency
- Isolate and switch large/small cooling circulation loops automatically




