Thermo King Thermostat O-Ring Seal for Refrigeration Units X 331744

$6.74

Official OEM Thermo King parts catalog entry for the O Ring Thermostat X 331744, 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 O Ring Thermostat X 331744 delivers OEM-grade sealing that supports reliable temperature control in Thermo King refrigeration systems. Engineered to maintain leak-free seals in demanding transport refrigeration and reefer trailer applications, this service part helps protect thermostat assemblies and preserves consistent coolant flow under heavy-duty cycle conditions.

Key Features & Customer Benefits

  • OEM-Grade Sealing – Ensures dependable leak prevention at the thermostat interface for sustained temperature control and reduced service downtime.
  • Coolant-Compatible Compound – Uses industry-standard materials that resist degradation from engine coolants and refrigerant system oils to support long service intervals.
  • Precision Fit Support – Designed to meet Thermo King assembly tolerances, enabling secure installation and reliable thermal regulation in transport refrigeration systems.
  • Fleet Uptime Focus – Minimizes seal failures that lead to coolant loss and unplanned downtime, supporting fleet ROI across the Permian Basin and West Texas routes.
  • Certified Dealership Supply – Available through West Texas Thermo King, a certified Thermo King dealership, ensuring genuine service parts and parts expertise for fleets in Amarillo, Lubbock, Odessa, and beyond.

Product Details

Thermo King O Ring Thermostat X 331744 is a factory service O-ring designed to seal thermostat components in Thermo King refrigeration and engine cooling assemblies. Public technical specifications (exact dimensions and elastomer compound) are service-part details managed through Thermo King parts channels. For precise fitment verification, material confirmation, and model-specific guidance, request parts lookup with serial and model information through West Texas Thermo King.

Efficiency & Sustainability

Proper sealing at the thermostat assembly preserves coolant volume and maintains thermal efficiency for transport refrigeration units. Correct installation reduces unnecessary fuel consumption from prolonged idle or over-cycling, supporting fuel-efficient cooling strategies across reefer trailers, Diesel Direct Electric systems, and Smart Reefer SR-4 monitored fleets. Compliance with Thermo King service standards supports long-term environmental performance and responsible refrigerant system operation.

Installation & Maintenance Tips

Install using OEM-recommended mating surfaces and clamps to ensure a uniform seal. Inspect O-rings during scheduled maintenance intervals and replace when hardening, cracking, or deformation appears. Verify part number 331744 against unit serial data before installation and use certified technicians for thermostat service to preserve warranty and system integrity.

Real-World Applications

This O Ring Thermostat X 331744 serves as a sealing component in Thermo King thermostat assemblies used on transport refrigeration units and reefer trailers, supporting consistent temperature control in cold-chain transport, supermarket deliveries, and temperature-sensitive logistics. 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, please contact us for warranty information or contact the service department for confirmation.

Frequently Asked Questions

Q: How can compatibility with a specific Thermo King unit be confirmed?
A: Confirm compatibility by providing the unit model and serial number to West Texas Thermo King for parts lookup and verification.

Q: Is professional installation required?
A: Professional installation by certified technicians preserves seal integrity and fleet uptime; follow OEM service guidelines for thermostat assembly work.

Q: What routine checks prevent seal failure?
A: Inspect O-rings at scheduled coolant system and thermostat service intervals; replace when signs of hardening, cracking, or compression set appear to maintain temperature control precision.

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 O Ring Thermostat X 331744, 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 O Ring Thermostat X 331744 delivers OEM-grade sealing that supports reliable temperature control in Thermo King refrigeration systems. Engineered to maintain leak-free seals in demanding transport refrigeration and reefer trailer applications, this service part helps protect thermostat assemblies and preserves consistent coolant flow under heavy-duty cycle conditions.

Key Features & Customer Benefits

  • OEM-Grade Sealing – Ensures dependable leak prevention at the thermostat interface for sustained temperature control and reduced service downtime.
  • Coolant-Compatible Compound – Uses industry-standard materials that resist degradation from engine coolants and refrigerant system oils to support long service intervals.
  • Precision Fit Support – Designed to meet Thermo King assembly tolerances, enabling secure installation and reliable thermal regulation in transport refrigeration systems.
  • Fleet Uptime Focus – Minimizes seal failures that lead to coolant loss and unplanned downtime, supporting fleet ROI across the Permian Basin and West Texas routes.
  • Certified Dealership Supply – Available through West Texas Thermo King, a certified Thermo King dealership, ensuring genuine service parts and parts expertise for fleets in Amarillo, Lubbock, Odessa, and beyond.

Product Details

Thermo King O Ring Thermostat X 331744 is a factory service O-ring designed to seal thermostat components in Thermo King refrigeration and engine cooling assemblies. Public technical specifications (exact dimensions and elastomer compound) are service-part details managed through Thermo King parts channels. For precise fitment verification, material confirmation, and model-specific guidance, request parts lookup with serial and model information through West Texas Thermo King.

Efficiency & Sustainability

Proper sealing at the thermostat assembly preserves coolant volume and maintains thermal efficiency for transport refrigeration units. Correct installation reduces unnecessary fuel consumption from prolonged idle or over-cycling, supporting fuel-efficient cooling strategies across reefer trailers, Diesel Direct Electric systems, and Smart Reefer SR-4 monitored fleets. Compliance with Thermo King service standards supports long-term environmental performance and responsible refrigerant system operation.

Installation & Maintenance Tips

Install using OEM-recommended mating surfaces and clamps to ensure a uniform seal. Inspect O-rings during scheduled maintenance intervals and replace when hardening, cracking, or deformation appears. Verify part number 331744 against unit serial data before installation and use certified technicians for thermostat service to preserve warranty and system integrity.

Real-World Applications

This O Ring Thermostat X 331744 serves as a sealing component in Thermo King thermostat assemblies used on transport refrigeration units and reefer trailers, supporting consistent temperature control in cold-chain transport, supermarket deliveries, and temperature-sensitive logistics. 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, please contact us for warranty information or contact the service department for confirmation.

Frequently Asked Questions

Q: How can compatibility with a specific Thermo King unit be confirmed?
A: Confirm compatibility by providing the unit model and serial number to West Texas Thermo King for parts lookup and verification.

Q: Is professional installation required?
A: Professional installation by certified technicians preserves seal integrity and fleet uptime; follow OEM service guidelines for thermostat assembly work.

Q: What routine checks prevent seal failure?
A: Inspect O-rings at scheduled coolant system and thermostat service intervals; replace when signs of hardening, cracking, or compression set appear to maintain temperature control precision.

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.