Thermo King Washer Seal for Transport Refrigeration Assemblies 558620
Official OEM Thermo King parts catalog entry for the Thermo King Washer Seal 558620, 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 Seal 558620 delivers OEM-quality sealing for temperature-controlled fleets, preserving system integrity across Thermo King refrigeration units. Designed to maintain consistent sealing in demanding transport refrigeration environments, this Washer Seal supports uptime and reliable temperature control for reefer trailer and truck applications.
Thermo King refrigeration system components require precise sealing to prevent leaks and maintain cooling efficiency. The Washer Seal 558620 installs quickly and integrates with Thermo King assemblies engineered for fuel-efficient cooling and long-term reliability in West Texas operations.
- OEM Fit – Ensures exact compatibility with Thermo King assemblies for leak-free installation and reduced downtime.
- Durable Sealing – Maintains reliable temperature control by preventing refrigerant or fluid loss under vibration and thermal cycling.
- Fleet Uptime Support – Minimizes service events and supports scheduled maintenance intervals for consistent refrigeration performance.
- Simple Replacement – Streamlines parts swap during routine service to reduce labor time and return vehicles to the road faster.
- Trusted OEM Source – Sourced through certified Thermo King channels for authenticity and parts traceability important to fleet operators.
Product Details
| Part Number | 558620 |
| Product Name | Thermo King Washer Seal 558620 |
| Description | OEM sealing washer for Thermo King refrigeration assemblies |
| Compatibility | Compatible with multiple Thermo King units including select TK486, LRT, SB-series, T-series, and Precedent models |
| Approximate Size | 2 × 12 × 12 cm (approximate) |
| Approximate Weight | 0.1 kg (approximate) |
Efficiency & Sustainability
The Thermo King Washer Seal 558620 supports fuel-efficient cooling and responsible refrigerant management by preserving system integrity and preventing leaks. Reliable sealing reduces the need for unplanned refrigerant top-off and service interventions, aligning with fleet objectives such as Smart Reefer SR-4 monitoring and CARB Evergreen compliance strategies where applicable.
Installation & Maintenance Tips
Install the Washer Seal 558620 using OEM-recommended procedures and appropriate clamps or fasteners. Inspect seals during scheduled maintenance intervals and replace any worn or damaged seals to maintain peak temperature control and system efficiency. Use certified Thermo King technicians for service when diagnostic verification or system recharging is required.
Real-World Applications
The Thermo King Washer Seal 558620 functions within reefer trailers, refrigerated straight trucks, and transport refrigeration units where reliable sealing preserves temperature setpoints for frozen and perishable loads. Fleet managers in long-haul and regional routes rely on authentic OEM parts to protect cargo and reduce operational risk.
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 reliability 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.
Frequently Asked Questions
Q: Is the Thermo King Washer Seal 558620 compatible with Precedent units?
A: Yes. The Washer Seal 558620 fits into select Precedent-series assemblies and other Thermo King models listed in the product details for secure sealing and long-term durability.
Q: How does this seal improve fleet performance?
A: By maintaining leak-free joints and preventing refrigerant or fluid loss, the Washer Seal 558620 helps preserve temperature control, reduces unplanned service, and supports overall refrigeration efficiency.
Q: Can this part be installed during routine maintenance?
A: Yes. Technicians commonly replace sealing washers during scheduled inspections to ensure continuous, reliable operation of transport refrigeration units.
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 Seal 558620, 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 Seal 558620 delivers OEM-quality sealing for temperature-controlled fleets, preserving system integrity across Thermo King refrigeration units. Designed to maintain consistent sealing in demanding transport refrigeration environments, this Washer Seal supports uptime and reliable temperature control for reefer trailer and truck applications.
Thermo King refrigeration system components require precise sealing to prevent leaks and maintain cooling efficiency. The Washer Seal 558620 installs quickly and integrates with Thermo King assemblies engineered for fuel-efficient cooling and long-term reliability in West Texas operations.
- OEM Fit – Ensures exact compatibility with Thermo King assemblies for leak-free installation and reduced downtime.
- Durable Sealing – Maintains reliable temperature control by preventing refrigerant or fluid loss under vibration and thermal cycling.
- Fleet Uptime Support – Minimizes service events and supports scheduled maintenance intervals for consistent refrigeration performance.
- Simple Replacement – Streamlines parts swap during routine service to reduce labor time and return vehicles to the road faster.
- Trusted OEM Source – Sourced through certified Thermo King channels for authenticity and parts traceability important to fleet operators.
Product Details
| Part Number | 558620 |
| Product Name | Thermo King Washer Seal 558620 |
| Description | OEM sealing washer for Thermo King refrigeration assemblies |
| Compatibility | Compatible with multiple Thermo King units including select TK486, LRT, SB-series, T-series, and Precedent models |
| Approximate Size | 2 × 12 × 12 cm (approximate) |
| Approximate Weight | 0.1 kg (approximate) |
Efficiency & Sustainability
The Thermo King Washer Seal 558620 supports fuel-efficient cooling and responsible refrigerant management by preserving system integrity and preventing leaks. Reliable sealing reduces the need for unplanned refrigerant top-off and service interventions, aligning with fleet objectives such as Smart Reefer SR-4 monitoring and CARB Evergreen compliance strategies where applicable.
Installation & Maintenance Tips
Install the Washer Seal 558620 using OEM-recommended procedures and appropriate clamps or fasteners. Inspect seals during scheduled maintenance intervals and replace any worn or damaged seals to maintain peak temperature control and system efficiency. Use certified Thermo King technicians for service when diagnostic verification or system recharging is required.
Real-World Applications
The Thermo King Washer Seal 558620 functions within reefer trailers, refrigerated straight trucks, and transport refrigeration units where reliable sealing preserves temperature setpoints for frozen and perishable loads. Fleet managers in long-haul and regional routes rely on authentic OEM parts to protect cargo and reduce operational risk.
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 reliability 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.
Frequently Asked Questions
Q: Is the Thermo King Washer Seal 558620 compatible with Precedent units?
A: Yes. The Washer Seal 558620 fits into select Precedent-series assemblies and other Thermo King models listed in the product details for secure sealing and long-term durability.
Q: How does this seal improve fleet performance?
A: By maintaining leak-free joints and preventing refrigerant or fluid loss, the Washer Seal 558620 helps preserve temperature control, reduces unplanned service, and supports overall refrigeration efficiency.
Q: Can this part be installed during routine maintenance?
A: Yes. Technicians commonly replace sealing washers during scheduled inspections to ensure continuous, reliable operation of transport refrigeration units.
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.