Product introduction
As an original Cummins part, the 3696214L Cummins thermostat's high-strength engineering plastic and metal composite design ensures reliability in extreme environments, making it a key component for maintaining efficient engine cooling and fuel economy. Both the 2012 and 3.9 Cummins thermostats are core temperature control components for Cummins engines, responsible for precisely regulating coolant circulation to ensure the engine always operates within its optimal temperature range.
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Product Parameters
| Parameter category | Detailed Description |
| Part number | 3696214L |
| Applicable engine | Cummins NTA855 series |
| Type | Double thermostat |
| Material | High-strength engineering plastic and metal composite materials |
| Operating temperature range | 77-85℃(medium-temperature type) or 71-79℃(low-temperature type) |
| Installation method | Bolt fixation |
| Dual-temperature design | Some models adopt a parallel dual thermostat design, which can distribute the cooling flow as needed and improve fuel economy |
| Durable and reliable | After strict testing and verification, the B10 has a long service life and a low failure rate |
Product Advantages
The Cummins 3696214L thermostat, as an original Cummins part, features a high-strength engineering plastic and metal composite design that ensures reliability in extreme environments. It's a perfect match for engines and requires no additional adjustments after installation. Some models also employ a parallel dual thermostat design, which can distribute cooling flow as needed, improving heat dissipation efficiency and making it particularly suitable for heavy-duty conditions. Tested in extreme conditions such as high altitudes and cold regions, it can operate normally within a wide temperature range of -30℃ to +120℃, ensuring stable engine operation under various climatic conditions.




FAQ
Q: 1. Which engines is the Cummins 3696214L thermostat suitable for?
A: This thermostat is specifically designed for Cummins NTA855 series engines, particularly compatible with 2012 and later 3.9L engine models.
Q: 2. What are the main features of the 855 Cummins thermostat?
A: The 855 thermostat features precise temperature control, a dual-temperature-regulating design, durability, reliability, and original factory quality assurance. It perfectly matches the engine without requiring adjustments.
Q: 3. Installation precautions for the 3.9 Cummins thermostat?
A: When installing the 3.9 Cummins thermostat, ensure the mounting surface is clean, use the original factory gasket, tighten the bolts to the torque specified in the instruction manual, and check the cooling system's seal after installation.
Q: 4.What are the international shipping packaging requirements for the Cummins 3696214L thermostat?
A:We use shockproof and moisture-proof packaging. Each thermostat is wrapped in bubble wrap and placed in a sturdy cardboard box with cushioning material. The outer box is marked "Fragile" and "This end up" to meet the requirements for sea transport.
Q: 5. What customs documents are needed to export Cummins 855 thermostats?
A: You will need to prepare a commercial invoice, packing list, certificate of origin, export customs declaration, and possibly other documents required by the destination country, such as CE certification.
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