Thermo King Water Pump O-Ring Seal, Fits Isuzu 2.2D 331646
Official OEM Thermo King parts catalog entry for the Thermo King O Ring Water Pump 331646, 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 refrigeration system relies on reliable seals to protect coolant circuits. The Thermo King O Ring Water Pump 331646 provides OEM-grade sealing for compatible Thermo King water pump assemblies, helping maintain temperature control and uptime for transport refrigeration fleets.
West Texas Thermo King supplies this genuine Thermo King O Ring Water Pump 331646 for fleets that demand precision sealing across reefer trailers and truck-mounted units. This O-ring supports leak-free operation in applications where consistent coolant containment preserves fuel-efficient cooling and temperature stability.
Key Features & Customer Benefits
- OEM Part Number – Ensures accurate identification and direct fitment for specified Thermo King assemblies.
- Sealing Integrity – Prevents coolant leaks at the water pump interface to support consistent temperature control and reduce downtime.
- Fleet Reliability – Supports continuous operation for Thermo King refrigeration unit applications across reefer trailers and refrigerated trucks.
- Service-Ready – Fits scheduled maintenance intervals to simplify parts stocking and reduce time in shop bays across Amarillo, Lubbock, Odessa, and West Texas.
- Compatible with Thermo King Engines – Matches water pump assemblies used with Thermo King units equipped with compatible Isuzu 2.2D engine configurations.
Product Details
| Part Number | 331646 |
| Product Name | Thermo King O Ring Water Pump 331646 |
| Compatibility | Thermo King water pump assemblies used on select units (refer to unit parts catalog for exact engine and model fitment) |
| Application | Seals the water pump-to-engine interface to prevent coolant leakage in transport refrigeration systems |
| Manufacturer | Thermo King (OEM) |
Efficiency & Sustainability
Proper sealing reduces coolant loss and preserves heat-exchange efficiency, which supports fuel-efficient cooling and improved uptime in transport refrigeration. Maintaining sealed coolant circuits also contributes to reduced maintenance waste and aligns with fleet sustainability goals. Compatible with Thermo King technologies such as Smart Reefer SR-4 monitoring when used within supported unit configurations.
Installation & Maintenance Tips
Install using OEM-specified procedures and torque values for the water pump assembly. Inspect the O-ring during scheduled maintenance intervals and replace any seal showing wear or deformation. Use approved lubricants for assembly seating and verify leak-free operation before returning units to service.
Real-World Applications
The Thermo King O Ring Water Pump 331646 serves reefer trailers, truck-mounted refrigeration units, and other transport refrigeration systems where Thermo King water pumps require OEM sealing components. This part supports fleets operating across highway routes and regional distribution in the Permian Basin, West Texas, and beyond.
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, contact us for warranty information or visit the contact page: contact West Texas Thermo King.
Frequently Asked Questions
Q: Is this O-ring compatible with my Thermo King refrigeration unit?
A: Compatibility depends on the unit engine and water pump assembly. Refer to the unit parts catalog or contact West Texas Thermo King with serial and engine numbers for confirmation.
Q: How does replacing this O-ring improve fleet reliability?
A: Replacing an OEM O-ring prevents coolant leakage at the water pump, maintains consistent temperature control, and reduces downtime for refrigerated loads.
Q: Can this part be installed during routine service intervals?
A: Yes. Technicians inspect and replace water pump seals during scheduled maintenance to maintain leak-free operation and preserve thermal efficiency.
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 O Ring Water Pump 331646, 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 refrigeration system relies on reliable seals to protect coolant circuits. The Thermo King O Ring Water Pump 331646 provides OEM-grade sealing for compatible Thermo King water pump assemblies, helping maintain temperature control and uptime for transport refrigeration fleets.
West Texas Thermo King supplies this genuine Thermo King O Ring Water Pump 331646 for fleets that demand precision sealing across reefer trailers and truck-mounted units. This O-ring supports leak-free operation in applications where consistent coolant containment preserves fuel-efficient cooling and temperature stability.
Key Features & Customer Benefits
- OEM Part Number – Ensures accurate identification and direct fitment for specified Thermo King assemblies.
- Sealing Integrity – Prevents coolant leaks at the water pump interface to support consistent temperature control and reduce downtime.
- Fleet Reliability – Supports continuous operation for Thermo King refrigeration unit applications across reefer trailers and refrigerated trucks.
- Service-Ready – Fits scheduled maintenance intervals to simplify parts stocking and reduce time in shop bays across Amarillo, Lubbock, Odessa, and West Texas.
- Compatible with Thermo King Engines – Matches water pump assemblies used with Thermo King units equipped with compatible Isuzu 2.2D engine configurations.
Product Details
| Part Number | 331646 |
| Product Name | Thermo King O Ring Water Pump 331646 |
| Compatibility | Thermo King water pump assemblies used on select units (refer to unit parts catalog for exact engine and model fitment) |
| Application | Seals the water pump-to-engine interface to prevent coolant leakage in transport refrigeration systems |
| Manufacturer | Thermo King (OEM) |
Efficiency & Sustainability
Proper sealing reduces coolant loss and preserves heat-exchange efficiency, which supports fuel-efficient cooling and improved uptime in transport refrigeration. Maintaining sealed coolant circuits also contributes to reduced maintenance waste and aligns with fleet sustainability goals. Compatible with Thermo King technologies such as Smart Reefer SR-4 monitoring when used within supported unit configurations.
Installation & Maintenance Tips
Install using OEM-specified procedures and torque values for the water pump assembly. Inspect the O-ring during scheduled maintenance intervals and replace any seal showing wear or deformation. Use approved lubricants for assembly seating and verify leak-free operation before returning units to service.
Real-World Applications
The Thermo King O Ring Water Pump 331646 serves reefer trailers, truck-mounted refrigeration units, and other transport refrigeration systems where Thermo King water pumps require OEM sealing components. This part supports fleets operating across highway routes and regional distribution in the Permian Basin, West Texas, and beyond.
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, contact us for warranty information or visit the contact page: contact West Texas Thermo King.
Frequently Asked Questions
Q: Is this O-ring compatible with my Thermo King refrigeration unit?
A: Compatibility depends on the unit engine and water pump assembly. Refer to the unit parts catalog or contact West Texas Thermo King with serial and engine numbers for confirmation.
Q: How does replacing this O-ring improve fleet reliability?
A: Replacing an OEM O-ring prevents coolant leakage at the water pump, maintains consistent temperature control, and reduces downtime for refrigerated loads.
Q: Can this part be installed during routine service intervals?
A: Yes. Technicians inspect and replace water pump seals during scheduled maintenance to maintain leak-free operation and preserve thermal efficiency.
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.