Thermo King OEM Replacement Valve Cover Gasket Nut 331631
Official OEM Thermo King parts catalog entry for the Thermo King Gasket Cover Nut 331631, 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 Gasket Cover Nut 331631 secures valve cover gaskets on Thermo King refrigeration systems to maintain a reliable seal and continuous temperature control for transport refrigeration fleets. Trusted by West Texas Thermo King, this OEM fastener supports uptime, leak prevention, and consistent reefer trailer operation across demanding routes in Amarillo, Lubbock, Odessa, and the Permian Basin.
Key Features & Customer Benefits
- OEM Fit – Ensures precise engagement with Thermo King valve cover assemblies for leak-free sealing and straightforward serviceability.
 - Designed for Durability – Provides secure fastening that supports consistent temperature control under normal service cycles for transport refrigeration equipment.
 - Model Compatibility – Matches Thermo King RT-II, SB-190, SB-II, SB-III, Sentry, and Super-II family valve cover applications for simplified parts sourcing.
 - Fleet Uptime – Minimizes gasket movement and potential refrigerant or oil loss, helping maintain fuel-efficient cooling and operational continuity.
 - Certified OEM Supply – Sourced through Thermo King-authorized distribution channels to meet manufacturer standards and service expectations.
 
Product Details
| Part Number | 331631 | 
| Product Name | Thermo King Gasket Cover Nut 331631 | 
| Compatibility | RT-II, SB-190, SB-II, SB-III, Sentry, Super-II refrigeration units | 
| Application | Valve cover gasket fastening on Thermo King transport refrigeration compressors | 
Efficiency & Sustainability
This Thermo King OEM fastener supports efficient refrigeration system operation by maintaining gasket integrity and preventing leaks that degrade temperature control. Proper sealing preserves fuel-efficient cooling and reduces unnecessary compressor cycling. Compatible with Thermo King service programs and modern control platforms such as Smart Reefer SR-4 and Diesel Direct Electric architectures, this component contributes to regulated, low-emission operation when used in certified systems.
Installation & Maintenance Tips
Install the Thermo King Gasket Cover Nut 331631 using OEM-specified fasteners and torque practices documented in Thermo King service guides. Inspect the valve cover gasket and mating surfaces during routine maintenance intervals and replace any components showing wear or deformation. Use certified Thermo King replacement parts to preserve system integrity and serviceability.
Real-World Applications
The Thermo King Gasket Cover Nut 331631 serves fleets operating reefer trailers, refrigerated trucks, and trailer-mounted transport refrigeration units that require dependable temperature control for perishable loads. It performs on long-haul and regional routes throughout West Texas and the Permian Basin where uptime and precision cooling directly impact cargo quality and fleet ROI.
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 reach out to the service department for confirmation.
Frequently Asked Questions
Q: Is this nut compatible with Thermo King SB-III units?
A: Yes. The Thermo King Gasket Cover Nut 331631 is compatible with SB-III and other listed Thermo King valve cover applications for secure gasket fastening.
Q: Does this part affect temperature control on a reefer trailer?
A: Yes. By securing the valve cover gasket, the nut helps maintain a proper seal that supports consistent temperature control and prevents loss of refrigerant or oil that can impair cooling efficiency.
Q: Can certified technicians install this part during scheduled maintenance?
A: Yes. Certified West Texas Thermo King technicians install OEM Thermo King components during routine service intervals and verify torque and gasket condition to preserve system reliability.
Q: Is this part appropriate for Smart Reefer SR-4 equipped units?
A: The gasket cover nut functions as an OEM fastening component across compatible Thermo King compressor valve covers used in a range of control platforms, including units equipped with Smart Reefer SR-4.
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 Gasket Cover Nut 331631, 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 Gasket Cover Nut 331631 secures valve cover gaskets on Thermo King refrigeration systems to maintain a reliable seal and continuous temperature control for transport refrigeration fleets. Trusted by West Texas Thermo King, this OEM fastener supports uptime, leak prevention, and consistent reefer trailer operation across demanding routes in Amarillo, Lubbock, Odessa, and the Permian Basin.
Key Features & Customer Benefits
- OEM Fit – Ensures precise engagement with Thermo King valve cover assemblies for leak-free sealing and straightforward serviceability.
 - Designed for Durability – Provides secure fastening that supports consistent temperature control under normal service cycles for transport refrigeration equipment.
 - Model Compatibility – Matches Thermo King RT-II, SB-190, SB-II, SB-III, Sentry, and Super-II family valve cover applications for simplified parts sourcing.
 - Fleet Uptime – Minimizes gasket movement and potential refrigerant or oil loss, helping maintain fuel-efficient cooling and operational continuity.
 - Certified OEM Supply – Sourced through Thermo King-authorized distribution channels to meet manufacturer standards and service expectations.
 
Product Details
| Part Number | 331631 | 
| Product Name | Thermo King Gasket Cover Nut 331631 | 
| Compatibility | RT-II, SB-190, SB-II, SB-III, Sentry, Super-II refrigeration units | 
| Application | Valve cover gasket fastening on Thermo King transport refrigeration compressors | 
Efficiency & Sustainability
This Thermo King OEM fastener supports efficient refrigeration system operation by maintaining gasket integrity and preventing leaks that degrade temperature control. Proper sealing preserves fuel-efficient cooling and reduces unnecessary compressor cycling. Compatible with Thermo King service programs and modern control platforms such as Smart Reefer SR-4 and Diesel Direct Electric architectures, this component contributes to regulated, low-emission operation when used in certified systems.
Installation & Maintenance Tips
Install the Thermo King Gasket Cover Nut 331631 using OEM-specified fasteners and torque practices documented in Thermo King service guides. Inspect the valve cover gasket and mating surfaces during routine maintenance intervals and replace any components showing wear or deformation. Use certified Thermo King replacement parts to preserve system integrity and serviceability.
Real-World Applications
The Thermo King Gasket Cover Nut 331631 serves fleets operating reefer trailers, refrigerated trucks, and trailer-mounted transport refrigeration units that require dependable temperature control for perishable loads. It performs on long-haul and regional routes throughout West Texas and the Permian Basin where uptime and precision cooling directly impact cargo quality and fleet ROI.
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 reach out to the service department for confirmation.
Frequently Asked Questions
Q: Is this nut compatible with Thermo King SB-III units?
A: Yes. The Thermo King Gasket Cover Nut 331631 is compatible with SB-III and other listed Thermo King valve cover applications for secure gasket fastening.
Q: Does this part affect temperature control on a reefer trailer?
A: Yes. By securing the valve cover gasket, the nut helps maintain a proper seal that supports consistent temperature control and prevents loss of refrigerant or oil that can impair cooling efficiency.
Q: Can certified technicians install this part during scheduled maintenance?
A: Yes. Certified West Texas Thermo King technicians install OEM Thermo King components during routine service intervals and verify torque and gasket condition to preserve system reliability.
Q: Is this part appropriate for Smart Reefer SR-4 equipped units?
A: The gasket cover nut functions as an OEM fastening component across compatible Thermo King compressor valve covers used in a range of control platforms, including units equipped with Smart Reefer SR-4.
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.