Thermo King Refrigeration System O-Ring Seal P20 334089
Official OEM Thermo King parts catalog entry for the O-Ring P20 (Part numer334089), 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 P20 (Part numer334089) delivers OEM-grade sealing for Thermo King refrigeration system components, ensuring reliable temperature control and leak-free operation across transport refrigeration equipment.
The O-Ring P20 provides precise sealing where durability and consistent thermal performance matter most. West Texas Thermo King supplies this genuine Thermo King component to help fleets maintain uptime, reduce refrigerant loss, and support fuel-efficient cooling in reefer trailer and truck applications.
- OEM Fit – Ensures a secure, leak-resistant seal tailored for Thermo King assemblies to maintain consistent temperature control.
- Durable Elastomer Design – Supports long service life under temperature variation and typical refrigeration fluids, preserving system reliability.
- Compact Form – Small, precision-molded profile supports tight sealing points in compressors, valves, and hose connections with minimal installation space.
- Service-Ready – Compatible with Thermo King maintenance routines, enabling fast replacement during scheduled service intervals to reduce downtime.
- Fleet Uptime Focus – Helps prevent refrigerant leaks and moisture ingress, supporting consistent payload protection and ROI for transport refrigeration fleets.
Product Details
This listing covers the Thermo King O-Ring P20, part number numer334089, as an OEM Thermo King sealing component. Exact material compound and dimensional specifications are defined in Thermo King parts documentation and service manuals. For precise compatibility, material, and dimension verification for a specific unit, consult Thermo King parts catalogs or contact West Texas Thermo King for confirmation prior to installation.
Efficiency & Sustainability
Using OEM Thermo King O-rings supports system efficiency by maintaining proper refrigerant charge and preventing leaks that reduce fuel-efficient cooling. Proper sealing also supports compliance and best practices for advanced control systems such as Smart Reefer SR-4 and CARB Evergreen guidelines when OEM parts are applied according to service specifications.
Installation & Maintenance Tips
Follow Thermo King service procedures for installation: inspect mating surfaces for damage, replace O-rings during scheduled maintenance when indicated, and use OEM clamps and lubricants recommended by Thermo King to ensure secure fitment and prevent twisting or extrusion during assembly.
Real-World Applications
The O-Ring P20 serves critical sealing roles in reefer trailer units, refrigerated trucks, and transport refrigeration components including hose connections, valve seals, and compressor fittings. This part supports daily refrigerated freight operations across long-haul and regional fleets operating throughout West Texas and the Permian Basin.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
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: Is the O-Ring P20 compatible with Thermo King Precedent units?
A: Compatibility depends on the specific service application and parts list. Confirm fitment with Thermo King parts documentation or West Texas Thermo King prior to installation.
Q: How often should this O-ring be inspected or replaced?
A: Inspect O-rings during scheduled preventive maintenance and replace when signs of wear, hardening, or deformation appear. Follow Thermo King service intervals for optimal reliability.
Q: Can this O-ring be used in both Diesel Direct Electric and Smart Reefer SR-4 systems?
A: Thermo King OEM parts are specified by application. Refer to the parts catalog or contact West Texas Thermo King for confirmation of usage in Diesel Direct Electric, Smart Reefer SR-4, or other platforms.
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 P20 (Part numer334089), 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 P20 (Part numer334089) delivers OEM-grade sealing for Thermo King refrigeration system components, ensuring reliable temperature control and leak-free operation across transport refrigeration equipment.
The O-Ring P20 provides precise sealing where durability and consistent thermal performance matter most. West Texas Thermo King supplies this genuine Thermo King component to help fleets maintain uptime, reduce refrigerant loss, and support fuel-efficient cooling in reefer trailer and truck applications.
- OEM Fit – Ensures a secure, leak-resistant seal tailored for Thermo King assemblies to maintain consistent temperature control.
- Durable Elastomer Design – Supports long service life under temperature variation and typical refrigeration fluids, preserving system reliability.
- Compact Form – Small, precision-molded profile supports tight sealing points in compressors, valves, and hose connections with minimal installation space.
- Service-Ready – Compatible with Thermo King maintenance routines, enabling fast replacement during scheduled service intervals to reduce downtime.
- Fleet Uptime Focus – Helps prevent refrigerant leaks and moisture ingress, supporting consistent payload protection and ROI for transport refrigeration fleets.
Product Details
This listing covers the Thermo King O-Ring P20, part number numer334089, as an OEM Thermo King sealing component. Exact material compound and dimensional specifications are defined in Thermo King parts documentation and service manuals. For precise compatibility, material, and dimension verification for a specific unit, consult Thermo King parts catalogs or contact West Texas Thermo King for confirmation prior to installation.
Efficiency & Sustainability
Using OEM Thermo King O-rings supports system efficiency by maintaining proper refrigerant charge and preventing leaks that reduce fuel-efficient cooling. Proper sealing also supports compliance and best practices for advanced control systems such as Smart Reefer SR-4 and CARB Evergreen guidelines when OEM parts are applied according to service specifications.
Installation & Maintenance Tips
Follow Thermo King service procedures for installation: inspect mating surfaces for damage, replace O-rings during scheduled maintenance when indicated, and use OEM clamps and lubricants recommended by Thermo King to ensure secure fitment and prevent twisting or extrusion during assembly.
Real-World Applications
The O-Ring P20 serves critical sealing roles in reefer trailer units, refrigerated trucks, and transport refrigeration components including hose connections, valve seals, and compressor fittings. This part supports daily refrigerated freight operations across long-haul and regional fleets operating throughout West Texas and the Permian Basin.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
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: Is the O-Ring P20 compatible with Thermo King Precedent units?
A: Compatibility depends on the specific service application and parts list. Confirm fitment with Thermo King parts documentation or West Texas Thermo King prior to installation.
Q: How often should this O-ring be inspected or replaced?
A: Inspect O-rings during scheduled preventive maintenance and replace when signs of wear, hardening, or deformation appear. Follow Thermo King service intervals for optimal reliability.
Q: Can this O-ring be used in both Diesel Direct Electric and Smart Reefer SR-4 systems?
A: Thermo King OEM parts are specified by application. Refer to the parts catalog or contact West Texas Thermo King for confirmation of usage in Diesel Direct Electric, Smart Reefer SR-4, or other platforms.
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.