Name: Thermostat Cummins 4929644 | 3973835, 3974371, 5292712, 5627589
Brand: Cummins
SKU: 4929644
Availability: PreOrder

Thermostat Cummins 4929644 | 3973835, 3974371, 5292712, 5627589

Manufacturer: Cummins

Part#: 4929644

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Ensure optimal engine temperature control and prevent overheating with this high-performance thermostat for Cummins QSB 5.9 and ISB engines. Engineered for precise thermal regulation, it maintains peak operating efficiency and extends engine life.

Description

High-Performance Thermostat for Cummins QSB and ISB Engines

Maintain precise control over your engine’s operating temperature with the high-quality Cummins 4929644 thermostat. Designed specifically for heavy-duty applications, this thermostat regulates coolant flow to prevent overheating and ensure your engine runs within its optimal thermal range. This part is also available under the numbers: 3973835, 3974371, 5292712, and 5627589.

Operating at a rated temperature of 190°F (87.7°C) and featuring a 61mm diameter, this component is critical for maintaining fuel efficiency, reducing emissions, and protecting internal engine components from thermal stress. It is a direct replacement designed for seamless integration and long-lasting reliability in demanding environments.

Product Specifications & Fitment

Compatible Engine Models: Cummins QSB 5.9, QSB, ISB
Opening Temperature: 190°F (87.7°C)
Diameter: 61 mm
Quantity Required per Engine: 1 piece
Function: Regulates coolant circulation to prevent overheating and optimize engine performance