Cummins Thermostat Seal 186780-20 – Reliable Seal for Optimal Engine Temperature
The Cummins Thermostat Seal 186780-20 is designed to provide a secure and leak-free connection between the thermostat and engine housing. Because it meets Cummins genuine parts standards, it ensures consistent performance under high-temperature and pressure conditions. Although small, this seal plays a crucial role in maintaining proper engine temperature and preventing coolant leaks.
🔩 Specifications
- Part Name: Thermostat Seal
- Part Number: 186780-20
- Brand: Cummins genuine parts
- Material: Heat-resistant rubber with reinforced construction
- Function: Seals thermostat housing to prevent coolant leaks
- Compatibility: Fits select Cummins parts assemblies across multiple engine models
⭐ Key Features
- Precision-engineered for accurate fit and reliable sealing
- Durable material to withstand high temperatures and pressure
- Resistant to coolant and corrosion for long-lasting performance
- Maintains consistent engine temperature
- Direct fit in Cummins parts assemblies without modification
⚙️ Technical Insights
Because this thermostat seal uses high-quality heat-resistant rubber, it can maintain a tight seal even under fluctuating temperatures. The reinforced construction prevents deformation, which helps avoid leaks and ensures stable coolant flow. Moreover, it follows Cummins genuine parts specifications, providing accurate fitment in every installation. In addition, the material resists wear and chemical damage, which helps extend the service life of both the seal and the thermostat assembly. These features collectively reduce maintenance needs and improve overall engine reliability.
🛠 Application Scenarios
The Cummins Thermostat Seal 186780-20 is commonly used in engine cooling systems, connecting thermostats to housings and maintaining coolant integrity. For example, it is essential in trucks, construction equipment, marine engines, and industrial generators where precise temperature control is critical. Furthermore, because it prevents leaks and maintains proper engine temperature, it is suitable for both repair work and full engine assembly. Whether replacing worn seals or installing a new thermostat, this component helps ensure stable and efficient engine operation.
📦 Availability
This thermostat seal is in stock and available for global shipping.
To ensure correct fitment with your Cummins parts configuration, please provide your engine serial number (ESN). Our support team will confirm compatibility quickly.
