Thermo King OEM EPDM Thermostat Housing Seal 335578

$18.03

Official OEM Thermo King parts catalog entry for the Thermo King Seal EPDM Thermostat Housing 335578, verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.

Built for Performance: The Thermo King Seal EPDM Thermostat Housing 335578 delivers OEM-grade sealing for temperature control systems, ensuring reliable coolant containment and consistent thermal regulation across Thermo King transport refrigeration applications.

West Texas Thermo King presents this certified Thermo King component for fleets that demand uptime and fuel-efficient cooling. The EPDM compound resists heat, ozone, and coolant exposure, supporting long service intervals and predictable system behavior in the harsh environments of Amarillo, Lubbock, Odessa, and the Permian Basin.

Key Features & Customer Benefits

  • EPDM Construction – Provides proven resistance to heat, ozone, and coolant chemicals for extended seal life.
  • OEM Fit – Designed to match Thermo King thermostat housing interfaces for secure, leak-free installation.
  • Durable Sealing – Minimizes coolant loss and supports consistent temperature control for reefer trailers and refrigerated trucks.
  • Fleet Uptime Focus – Reduces service events and downtime through reliable performance in transport refrigeration environments.
  • Wide Operating Range – Performs under thermal cycling common to Diesel Direct Electric and Smart Reefer SR-4 platforms.
  • Service-Friendly – Simplifies replacement during scheduled maintenance intervals to maximize return on investment.

Product Details

Part Number335578
ProductSeal EPDM Thermostat Housing
MaterialEPDM rubber
ApplicationThermostat housing sealing for Thermo King transport refrigeration systems
ManufacturerThermo King (OEM specification)

Efficiency & Sustainability

The EPDM seal supports efficient temperature control by preventing coolant leaks that reduce thermal regulation efficiency. Reliable sealing contributes to fuel-efficient cooling and consistent reefer performance across Thermo King systems, including Smart Reefer SR-4 and Diesel Direct Electric architectures when used as intended in OEM thermostat housing assemblies. Durable sealing also reduces parts turnover and waste from repeat repairs.

Installation & Maintenance Tips

Install using OEM torque specifications and approved clamps. Inspect the sealing surface for corrosion or debris before fitting the EPDM seal. Replace seals during routine coolant system service intervals and confirm proper seating to avoid leaks. Use genuine Thermo King parts and certified service for optimal results.

Real-World Applications

This Thermo King Seal EPDM Thermostat Housing 335578 fits into thermostat housing assemblies on reefer trailers, refrigerated straight trucks, and transport refrigeration units where robust coolant sealing is essential for temperature control. It supports fleets operating in regional and long-haul service across West Texas and the Southwest.

Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.

View all Thermo King Parts

Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.

For product verification or service assistance, call (806) 376-5837.

For current warranty eligibility or OEM replacement coverage, contact us for warranty information at https://www.trailerservicesofwesttexas.com/contact or reach the service department for confirmation.

Frequently Asked Questions

Q: Is this seal compatible with Thermo King Precedent and S-series units?
A: Yes, the EPDM thermostat housing seal fits Thermo King thermostat housing applications and supports compatibility where Thermo King specifies part 335578.

Q: How often should this seal be inspected?
A: Inspect the seal during scheduled coolant system maintenance intervals and whenever the thermostat housing is accessed during service.

Q: Can this seal withstand long-term exposure to coolant and heat?
A: Yes, EPDM material provides resistance to coolant, heat, and ozone common to transport refrigeration environments.

Related Resources

Ask about fleet-wide parts programs through West Texas Thermo King.

Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.

Official OEM Thermo King parts catalog entry for the Thermo King Seal EPDM Thermostat Housing 335578, verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.

Built for Performance: The Thermo King Seal EPDM Thermostat Housing 335578 delivers OEM-grade sealing for temperature control systems, ensuring reliable coolant containment and consistent thermal regulation across Thermo King transport refrigeration applications.

West Texas Thermo King presents this certified Thermo King component for fleets that demand uptime and fuel-efficient cooling. The EPDM compound resists heat, ozone, and coolant exposure, supporting long service intervals and predictable system behavior in the harsh environments of Amarillo, Lubbock, Odessa, and the Permian Basin.

Key Features & Customer Benefits

  • EPDM Construction – Provides proven resistance to heat, ozone, and coolant chemicals for extended seal life.
  • OEM Fit – Designed to match Thermo King thermostat housing interfaces for secure, leak-free installation.
  • Durable Sealing – Minimizes coolant loss and supports consistent temperature control for reefer trailers and refrigerated trucks.
  • Fleet Uptime Focus – Reduces service events and downtime through reliable performance in transport refrigeration environments.
  • Wide Operating Range – Performs under thermal cycling common to Diesel Direct Electric and Smart Reefer SR-4 platforms.
  • Service-Friendly – Simplifies replacement during scheduled maintenance intervals to maximize return on investment.

Product Details

Part Number335578
ProductSeal EPDM Thermostat Housing
MaterialEPDM rubber
ApplicationThermostat housing sealing for Thermo King transport refrigeration systems
ManufacturerThermo King (OEM specification)

Efficiency & Sustainability

The EPDM seal supports efficient temperature control by preventing coolant leaks that reduce thermal regulation efficiency. Reliable sealing contributes to fuel-efficient cooling and consistent reefer performance across Thermo King systems, including Smart Reefer SR-4 and Diesel Direct Electric architectures when used as intended in OEM thermostat housing assemblies. Durable sealing also reduces parts turnover and waste from repeat repairs.

Installation & Maintenance Tips

Install using OEM torque specifications and approved clamps. Inspect the sealing surface for corrosion or debris before fitting the EPDM seal. Replace seals during routine coolant system service intervals and confirm proper seating to avoid leaks. Use genuine Thermo King parts and certified service for optimal results.

Real-World Applications

This Thermo King Seal EPDM Thermostat Housing 335578 fits into thermostat housing assemblies on reefer trailers, refrigerated straight trucks, and transport refrigeration units where robust coolant sealing is essential for temperature control. It supports fleets operating in regional and long-haul service across West Texas and the Southwest.

Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.

View all Thermo King Parts

Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.

For product verification or service assistance, call (806) 376-5837.

For current warranty eligibility or OEM replacement coverage, contact us for warranty information at https://www.trailerservicesofwesttexas.com/contact or reach the service department for confirmation.

Frequently Asked Questions

Q: Is this seal compatible with Thermo King Precedent and S-series units?
A: Yes, the EPDM thermostat housing seal fits Thermo King thermostat housing applications and supports compatibility where Thermo King specifies part 335578.

Q: How often should this seal be inspected?
A: Inspect the seal during scheduled coolant system maintenance intervals and whenever the thermostat housing is accessed during service.

Q: Can this seal withstand long-term exposure to coolant and heat?
A: Yes, EPDM material provides resistance to coolant, heat, and ozone common to transport refrigeration environments.

Related Resources

Ask about fleet-wide parts programs through West Texas Thermo King.

Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.