Official OEM Thermo King parts catalog entry for the Thermo King Cap Seal 112757, 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 Cap Seal 112757 (45 mm) delivers OEM-grade sealing reliability for temperature-controlled fleets, ensuring pressure integrity and contamination protection across Thermo King refrigeration systems.
Thermo King refrigeration system components require precision sealing to maintain temperature control and uptime. The Cap Seal 112757 provides a secure seal at service caps and access points, supporting consistent cooling and reduced leak risk for reefer trailer and truck refrigeration applications.
| Part Number | 112757 |
| Product | Thermo King Cap Seal |
| Size | 45 mm |
| Manufacturer | Thermo King (OEM) |
The Thermo King Cap Seal 112757 supports efficient, fuel-conscious cooling by preserving system pressure and preventing refrigerant loss. Proper sealing contributes to consistent temperature control across reefer trailers and transport refrigeration units, complementing energy-saving platforms such as Smart Reefer SR-4 and Diesel Direct Electric systems. Reliable seals help fleets maintain compliance goals and extend component life for lower lifecycle environmental impact.
Use OEM-recommended installation practices and inspect Cap Seal 112757 during scheduled service intervals. Replace seals when wear or deformation appears and use compatible Thermo King caps and clamps to ensure leak-free retention. Document seal condition during preventive maintenance to support fleet reliability across Amarillo, Lubbock, and Odessa routes.
The Thermo King Cap Seal 112757 serves reefer trailers, refrigerated trucks, and transport refrigeration units where service caps and access ports require dependable sealing. It supports operations across hot, dry, and variable West Texas conditions and suits fleet service environments in the Permian Basin.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked 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.
Q: Is the Cap Seal 112757 compatible with Thermo King Precedent and S-Series systems?
A: The Cap Seal 112757 fits service caps and access points that require a 45 mm seal in Thermo King refrigeration systems; confirm compatibility with specific unit models during parts selection.
Q: How often should the cap seal be inspected?
A: Inspect Cap Seal 112757 at each scheduled maintenance interval and replace if signs of wear, hardening, or deformation appear to maintain seal integrity and temperature control.
Q: Does replacing the cap seal require special tools?
A: Replacement generally requires standard service tools and adherence to Thermo King OEM service procedures for secure fitment and leak checking.
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 Cap Seal 112757, 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 Cap Seal 112757 (45 mm) delivers OEM-grade sealing reliability for temperature-controlled fleets, ensuring pressure integrity and contamination protection across Thermo King refrigeration systems.
Thermo King refrigeration system components require precision sealing to maintain temperature control and uptime. The Cap Seal 112757 provides a secure seal at service caps and access points, supporting consistent cooling and reduced leak risk for reefer trailer and truck refrigeration applications.
| Part Number | 112757 |
| Product | Thermo King Cap Seal |
| Size | 45 mm |
| Manufacturer | Thermo King (OEM) |
The Thermo King Cap Seal 112757 supports efficient, fuel-conscious cooling by preserving system pressure and preventing refrigerant loss. Proper sealing contributes to consistent temperature control across reefer trailers and transport refrigeration units, complementing energy-saving platforms such as Smart Reefer SR-4 and Diesel Direct Electric systems. Reliable seals help fleets maintain compliance goals and extend component life for lower lifecycle environmental impact.
Use OEM-recommended installation practices and inspect Cap Seal 112757 during scheduled service intervals. Replace seals when wear or deformation appears and use compatible Thermo King caps and clamps to ensure leak-free retention. Document seal condition during preventive maintenance to support fleet reliability across Amarillo, Lubbock, and Odessa routes.
The Thermo King Cap Seal 112757 serves reefer trailers, refrigerated trucks, and transport refrigeration units where service caps and access ports require dependable sealing. It supports operations across hot, dry, and variable West Texas conditions and suits fleet service environments in the Permian Basin.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked 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.
Q: Is the Cap Seal 112757 compatible with Thermo King Precedent and S-Series systems?
A: The Cap Seal 112757 fits service caps and access points that require a 45 mm seal in Thermo King refrigeration systems; confirm compatibility with specific unit models during parts selection.
Q: How often should the cap seal be inspected?
A: Inspect Cap Seal 112757 at each scheduled maintenance interval and replace if signs of wear, hardening, or deformation appear to maintain seal integrity and temperature control.
Q: Does replacing the cap seal require special tools?
A: Replacement generally requires standard service tools and adherence to Thermo King OEM service procedures for secure fitment and leak checking.
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.
