Engine Coolant Thermostat Cummins 4952630 | 3078338, 3048784, 3059408

High-Performance Engine Coolant Thermostat for Cummins Engines

The Cummins 4952630 engine coolant thermostat is designed to regulate your engine’s operating temperature, ensuring maximum efficiency and preventing both overheating and overcooling. By controlling the flow of coolant between the engine block and the radiator, this thermostat helps your heavy-duty diesel engine reach its optimal operating temperature quickly and maintain it under demanding loads. This part is also available under the numbers: 3078338, 3048784, and 3059408.

Built to withstand extreme conditions, this thermostat features a precise, temperature-sensitive valve rated at 225°F (107°C). It is engineered for long-lasting performance and reliable temperature regulation in heavy-duty applications, helping to reduce maintenance costs and extend the service life of your engine’s cooling system.

Key Features and Benefits

• Optimal Temperature Regulation: Keeps the engine at its peak operating temperature for improved fuel efficiency and reduced emissions.
• Rapid Response: Designed to quickly respond to sudden changes in coolant temperature, preventing thermal shock.
• Heavy-Duty Durability: Constructed with premium materials to endure harsh environments and high-stress operations.
• Guaranteed Fitment: Rigorously tested to meet or exceed industry standards for fit, form, and function.

Engine Compatibility

This thermostat is compatible with the following Cummins heavy-duty diesel engines:

• Cummins L10
• Cummins M11 / ISM 11
• Cummins N14
• Cummins NT855
• Cummins QSM 11

Cross-Reference / Interchange Part Numbers

This part replaces / is interchangeable with the following part numbers:

• 4952630
• 3078338
• 3048784
• 3059408
• 307833800
• 304878400
• 495263000
• 305940800
• CU3078338
• CU3048784
• CU4952630
• CU3059408