OEM Thermo King O-Ring Gasket 1/4 ID x 1/16 W 333789
Official OEM Thermo King parts catalog entry for the Thermo King Gasket-Ring-O 333789 (1/4 ID x 1/16 W), 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-Ring-O 333789 supports Thermo King refrigeration system sealing requirements by delivering a precise, OEM-compatible seal at service points and connection interfaces. This small but critical gasket preserves temperature control integrity and reduces the risk of refrigerant or oil leakage in transport refrigeration applications.
Thermo King refrigeration system components depend on reliable sealing for uptime and fuel-efficient cooling across reefer trailer and truck fleets operating throughout West Texas and the Permian Basin.
- OEM Fit – Ensures exact fit for Thermo King service ports and assemblies to maintain leak-free connections and system integrity.
- Compact Precision – 1/4 inch inner diameter with a 1/16 inch cross-section delivers consistent compression and reliable sealing in tight service locations.
- Durable Elastomeric Construction – Engineered for compatibility with refrigerants, lubricants, and common transport refrigeration fluids to support long service intervals.
- Temperature-Stable Seal – Maintains compression set resistance across operating ranges typical of refrigerated trailers and diesel direct electric units for dependable temperature control.
- Fleet Uptime – Reduces unscheduled downtime and supports predictable maintenance cycles for fleets in Amarillo, Lubbock, Odessa, and across West Texas.
- Service-Ready – Available as a single OEM part for straightforward replacement during scheduled maintenance or field service.
Product Details
| Part Number | 333789 |
| Product Name | Thermo King Gasket-Ring-O 1/4 ID x 1/16 W |
| Size | 1/4" inner diameter × 1/16" cross-section |
| Material | Thermo King–specified elastomeric compound (OEM grade) |
| Compatibility | Thermo King transport refrigeration connections and service points; supports common platforms including Precedent S-610M, S-610DE, and Smart Reefer SR-4 applications |
Efficiency & Sustainability
The Thermo King Gasket-Ring-O 333789 helps maintain sealing integrity that supports temperature control efficiency and fuel-efficient cooling on reefer trailers and refrigerated trucks. Proper seals reduce refrigerant leakage and preserve system performance, aligning with industry programs such as Smart Reefer SR-4 and CARB Evergreen objectives where applicable.
Installation & Maintenance Tips
Inspect sealing surfaces for cleanliness and damage before installation. Use Thermo King–approved lubricants and OEM installation practices to avoid twist or extrusion. Replace the gasket during scheduled service intervals or whenever seals show compression set or surface wear to maintain system reliability.
Real-World Applications
This gasket-ring installs at service ports, valve bodies, and connection interfaces on refrigerated trailers, refrigerated trucks, and Diesel Direct Electric systems to preserve temperature control and prevent fluid loss. West Texas Thermo King supports fleet installations and service calls across Amarillo, Lubbock, Odessa, and throughout West Texas.
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, contact us for warranty information or visit the contact page to connect with the service department directly.
Frequently Asked Questions
Q: Is this gasket compatible with Precedent-series units?
A: Yes. The Thermo King Gasket-Ring-O 333789 fits Thermo King service points commonly found on Precedent S-610M and S-610DE connections when the specified 1/4" ID × 1/16" cross-section is required.
Q: How often should the gasket be replaced?
A: Replace the gasket during scheduled maintenance intervals or when inspection shows compression set, surface damage, or loss of sealing integrity to ensure continuous temperature control and prevent refrigerant or oil leaks.
Q: Can this part support Smart Reefer SR-4 systems?
A: Yes. The gasket serves sealing roles within systems such as Smart Reefer SR-4 where OEM-quality seals maintain system efficiency and monitoring accuracy.
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-Ring-O 333789 (1/4 ID x 1/16 W), 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-Ring-O 333789 supports Thermo King refrigeration system sealing requirements by delivering a precise, OEM-compatible seal at service points and connection interfaces. This small but critical gasket preserves temperature control integrity and reduces the risk of refrigerant or oil leakage in transport refrigeration applications.
Thermo King refrigeration system components depend on reliable sealing for uptime and fuel-efficient cooling across reefer trailer and truck fleets operating throughout West Texas and the Permian Basin.
- OEM Fit – Ensures exact fit for Thermo King service ports and assemblies to maintain leak-free connections and system integrity.
- Compact Precision – 1/4 inch inner diameter with a 1/16 inch cross-section delivers consistent compression and reliable sealing in tight service locations.
- Durable Elastomeric Construction – Engineered for compatibility with refrigerants, lubricants, and common transport refrigeration fluids to support long service intervals.
- Temperature-Stable Seal – Maintains compression set resistance across operating ranges typical of refrigerated trailers and diesel direct electric units for dependable temperature control.
- Fleet Uptime – Reduces unscheduled downtime and supports predictable maintenance cycles for fleets in Amarillo, Lubbock, Odessa, and across West Texas.
- Service-Ready – Available as a single OEM part for straightforward replacement during scheduled maintenance or field service.
Product Details
| Part Number | 333789 |
| Product Name | Thermo King Gasket-Ring-O 1/4 ID x 1/16 W |
| Size | 1/4" inner diameter × 1/16" cross-section |
| Material | Thermo King–specified elastomeric compound (OEM grade) |
| Compatibility | Thermo King transport refrigeration connections and service points; supports common platforms including Precedent S-610M, S-610DE, and Smart Reefer SR-4 applications |
Efficiency & Sustainability
The Thermo King Gasket-Ring-O 333789 helps maintain sealing integrity that supports temperature control efficiency and fuel-efficient cooling on reefer trailers and refrigerated trucks. Proper seals reduce refrigerant leakage and preserve system performance, aligning with industry programs such as Smart Reefer SR-4 and CARB Evergreen objectives where applicable.
Installation & Maintenance Tips
Inspect sealing surfaces for cleanliness and damage before installation. Use Thermo King–approved lubricants and OEM installation practices to avoid twist or extrusion. Replace the gasket during scheduled service intervals or whenever seals show compression set or surface wear to maintain system reliability.
Real-World Applications
This gasket-ring installs at service ports, valve bodies, and connection interfaces on refrigerated trailers, refrigerated trucks, and Diesel Direct Electric systems to preserve temperature control and prevent fluid loss. West Texas Thermo King supports fleet installations and service calls across Amarillo, Lubbock, Odessa, and throughout West Texas.
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, contact us for warranty information or visit the contact page to connect with the service department directly.
Frequently Asked Questions
Q: Is this gasket compatible with Precedent-series units?
A: Yes. The Thermo King Gasket-Ring-O 333789 fits Thermo King service points commonly found on Precedent S-610M and S-610DE connections when the specified 1/4" ID × 1/16" cross-section is required.
Q: How often should the gasket be replaced?
A: Replace the gasket during scheduled maintenance intervals or when inspection shows compression set, surface damage, or loss of sealing integrity to ensure continuous temperature control and prevent refrigerant or oil leaks.
Q: Can this part support Smart Reefer SR-4 systems?
A: Yes. The gasket serves sealing roles within systems such as Smart Reefer SR-4 where OEM-quality seals maintain system efficiency and monitoring accuracy.
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.