Thermo King Locking Sealing Washer for Refrigeration Units 554622
Official OEM Thermo King parts catalog entry for the Thermo King Washer 554622, 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 Washer 554622 delivers OEM-grade locking and sealing functionality for Thermo King refrigeration systems. Engineered to secure fasteners in vibration-prone transport refrigeration applications, this washer supports consistent temperature control and dependable uptime for reefer trailers, refrigerated trucks, and transport refrigeration fleets.
Key Features & Customer Benefits
- OEM Locking Design – Prevents fastener loosening under vibration to maintain secure assemblies and reduce unscheduled downtime.
- Sealing Capability – Supports leak-resistant connections where washers interface with pumps, valves, and fluid fittings, helping preserve coolant and refrigerant integrity.
- Metal Construction – Offers durable wear resistance in demanding environments common to West Texas and the Permian Basin.
- Precision Fit for Thermo King – Designed for compatibility with Thermo King engine and accessory assemblies including Precedent and SR-series components, ensuring reliable installation.
- Fleet Uptime Focus – Helps maintain consistent temperature control and operational efficiency across long hauls and frequent stop-start cycles.
- Low Inventory Impact – Small, lightweight part reduces shipping and stocking cost while improving parts availability for regional fleets.
Product Details
| Part Number | 554622 |
| Product Name | Thermo King Washer 554622 |
| Material | Metal locking/sealing washer (OEM specification) |
| Typical Use | Secures fasteners and provides sealing in Thermo King refrigeration unit assemblies and engine/pump connections |
| Approx. Weight | 0.01 kg |
| Compatibility | Thermo King refrigeration units and accessories including Precedent-series, Smart Reefer SR-4 integrations, and diesel direct electric assemblies |
Efficiency & Sustainability
The Thermo King Washer 554622 supports long-term efficiency by maintaining secure mechanical joints that protect coolant and refrigerant systems from leaks and loss of thermal performance. Proper sealing and fastening reduce service frequency, conserve refrigerant, and support fuel-efficient cooling across diesel and electric platforms such as Smart Reefer SR-4 and S-610DE configurations. Use of OEM-grade components contributes to CARB Evergreen compliance efforts when parts are installed according to Thermo King guidelines.
Installation & Maintenance Tips
Install the washer under appropriate nuts or bolt heads and torque fasteners to Thermo King specifications. Use OEM or manufacturer-recommended clamps and fasteners for secure fitment. Inspect washers during scheduled preventive maintenance intervals and replace any washer that shows corrosion, deformation, or loss of locking function to sustain sealing integrity and temperature control.
Real-World Applications
The Thermo King Washer 554622 is ideal for reefer trailers, refrigerated trucks, and transport refrigeration systems servicing regional routes across Amarillo, Lubbock, Odessa, and the wider West Texas market. Fleet maintenance programs use this washer in pump assemblies, valve mounts, and engine accessory fastenings to preserve cooling precision and reduce downtime. 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 and direct warranty confirmation at https://www.trailerservicesofwesttexas.com/contact or contact the service department for verification.
Frequently Asked Questions
Q: Is this washer compatible with Thermo King Precedent units?
A: Yes. The washer is specified for use in Thermo King assemblies and supports secure fitment in Precedent-series systems and related engine/pump connections.
Q: How does this washer improve fleet reliability?
A: By providing locking and sealing at fastener points, the washer reduces the likelihood of vibration-related loosening and fluid loss, maintaining consistent temperature control and lowering maintenance intervals.
Q: Can this washer be used on Smart Reefer SR-4 or Diesel Direct Electric systems?
A: Yes. The washer supports compatibility with Smart Reefer SR-4 and diesel direct electric configurations when used in appropriate Thermo King assemblies and installed per OEM instructions.
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 Washer 554622, 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 Washer 554622 delivers OEM-grade locking and sealing functionality for Thermo King refrigeration systems. Engineered to secure fasteners in vibration-prone transport refrigeration applications, this washer supports consistent temperature control and dependable uptime for reefer trailers, refrigerated trucks, and transport refrigeration fleets.
Key Features & Customer Benefits
- OEM Locking Design – Prevents fastener loosening under vibration to maintain secure assemblies and reduce unscheduled downtime.
- Sealing Capability – Supports leak-resistant connections where washers interface with pumps, valves, and fluid fittings, helping preserve coolant and refrigerant integrity.
- Metal Construction – Offers durable wear resistance in demanding environments common to West Texas and the Permian Basin.
- Precision Fit for Thermo King – Designed for compatibility with Thermo King engine and accessory assemblies including Precedent and SR-series components, ensuring reliable installation.
- Fleet Uptime Focus – Helps maintain consistent temperature control and operational efficiency across long hauls and frequent stop-start cycles.
- Low Inventory Impact – Small, lightweight part reduces shipping and stocking cost while improving parts availability for regional fleets.
Product Details
| Part Number | 554622 |
| Product Name | Thermo King Washer 554622 |
| Material | Metal locking/sealing washer (OEM specification) |
| Typical Use | Secures fasteners and provides sealing in Thermo King refrigeration unit assemblies and engine/pump connections |
| Approx. Weight | 0.01 kg |
| Compatibility | Thermo King refrigeration units and accessories including Precedent-series, Smart Reefer SR-4 integrations, and diesel direct electric assemblies |
Efficiency & Sustainability
The Thermo King Washer 554622 supports long-term efficiency by maintaining secure mechanical joints that protect coolant and refrigerant systems from leaks and loss of thermal performance. Proper sealing and fastening reduce service frequency, conserve refrigerant, and support fuel-efficient cooling across diesel and electric platforms such as Smart Reefer SR-4 and S-610DE configurations. Use of OEM-grade components contributes to CARB Evergreen compliance efforts when parts are installed according to Thermo King guidelines.
Installation & Maintenance Tips
Install the washer under appropriate nuts or bolt heads and torque fasteners to Thermo King specifications. Use OEM or manufacturer-recommended clamps and fasteners for secure fitment. Inspect washers during scheduled preventive maintenance intervals and replace any washer that shows corrosion, deformation, or loss of locking function to sustain sealing integrity and temperature control.
Real-World Applications
The Thermo King Washer 554622 is ideal for reefer trailers, refrigerated trucks, and transport refrigeration systems servicing regional routes across Amarillo, Lubbock, Odessa, and the wider West Texas market. Fleet maintenance programs use this washer in pump assemblies, valve mounts, and engine accessory fastenings to preserve cooling precision and reduce downtime. 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 and direct warranty confirmation at https://www.trailerservicesofwesttexas.com/contact or contact the service department for verification.
Frequently Asked Questions
Q: Is this washer compatible with Thermo King Precedent units?
A: Yes. The washer is specified for use in Thermo King assemblies and supports secure fitment in Precedent-series systems and related engine/pump connections.
Q: How does this washer improve fleet reliability?
A: By providing locking and sealing at fastener points, the washer reduces the likelihood of vibration-related loosening and fluid loss, maintaining consistent temperature control and lowering maintenance intervals.
Q: Can this washer be used on Smart Reefer SR-4 or Diesel Direct Electric systems?
A: Yes. The washer supports compatibility with Smart Reefer SR-4 and diesel direct electric configurations when used in appropriate Thermo King assemblies and installed per OEM instructions.
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.