Thermo King Transport Filter Drier SB III & Super II 664900
Official OEM Thermo King parts catalog entry for the Thermo King Drier 664900 (SB III & Super II), 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 Drier 664900 delivers OEM-grade filtration and moisture control for SB III and Super II transport refrigeration units. This Thermo King drier protects compressors and evaporators by removing moisture and contaminants, supporting continuous temperature control and maximizing fleet uptime.
West Texas Thermo King, a certified Thermo King dealership, lists this drier as a factory-compatible component for SB III and Super II series, engineered to maintain reliability across temperature-sensitive freight operations in West Texas and the Permian Basin.
- OEM Filter-Drier Design – Provides reliable moisture and particulate removal to protect refrigeration system components and extend service intervals.
- Model-Specific Compatibility – Fits Thermo King SB III and Super II refrigeration units to ensure correct sealing and system integrity.
- Fleet Uptime Focus – Reduces risk of acid formation and system blockage, helping maintain continuous temperature control for reefer trailers and refrigerated trucks.
- Service-Ready Packaging – Supplied as an individual drier for direct replacement during scheduled maintenance or system service events.
- Secure Flare Connections – Designed for use with Thermo King flare fittings to support leak-free installation and dependable refrigerant flow.
Product Details
| Part Number | 664900 |
| Product Name | Thermo King Drier 664900 (SB III & Super II) |
| Description | Filter-drier / dehydrator for Thermo King transport refrigeration units |
| Compatibility | Thermo King SB III, SB III-50, Super II and related SB-series refrigeration units |
| Fittings | Factory-specified flare connections (typical configuration documented for SB-series installations) |
| Packaging | Individual filter-drier unit for direct service replacement |
| Notes | Listed for SB-series units built in the Thermo King production range through the late 1980s and early 1990s; confirm unit serial data for exact fitment |
Efficiency & Sustainability
This Thermo King drier supports efficient refrigerant flow and system reliability, contributing to consistent temperature control and fuel-efficient cooling on Diesel Direct Electric and other Thermo King drive options. Use in properly maintained systems helps fleets meet environmental and efficiency objectives and integrates with telematics and control platforms such as Smart Reefer SR-4 when installed in compliant Thermo King units.
Installation & Maintenance Tips
Install using OEM-quality flare fittings and clamps to ensure leak-free connections. Inspect the refrigeration circuit and replace the drier whenever the system is opened for compressor or evaporator service. Follow scheduled maintenance intervals and Thermo King service procedures for evacuation and recharge to protect system components and maintain warranty eligibility.
Real-World Applications
This drier is ideal for reefer trailers, refrigerated straight trucks, and transport refrigeration applications that run Thermo King SB III and Super II units. Fleet operations across Amarillo, Lubbock, Odessa, and the wider West Texas region use this component to sustain temperature control for perishable goods and produce reliable ROI through reduced downtime.
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 reach the service department for confirmation.
Frequently Asked Questions
Q: Is this drier compatible with Thermo King SB III units?
A: Yes. The Thermo King Drier 664900 is listed for use with SB III and Super II refrigeration units; verify unit serial data to confirm exact fitment.
Q: When should the drier be replaced?
A: Replace the drier whenever the refrigerant circuit opens for major service, after compressor failure, or per scheduled maintenance intervals to maintain system reliability.
Q: Does this part support modern monitoring platforms?
A: Yes. When installed in compatible Thermo King systems, the drier works with system controls and telematics platforms such as Smart Reefer SR-4 to support fleet monitoring and temperature control.
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 Drier 664900 (SB III & Super II), 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 Drier 664900 delivers OEM-grade filtration and moisture control for SB III and Super II transport refrigeration units. This Thermo King drier protects compressors and evaporators by removing moisture and contaminants, supporting continuous temperature control and maximizing fleet uptime.
West Texas Thermo King, a certified Thermo King dealership, lists this drier as a factory-compatible component for SB III and Super II series, engineered to maintain reliability across temperature-sensitive freight operations in West Texas and the Permian Basin.
- OEM Filter-Drier Design – Provides reliable moisture and particulate removal to protect refrigeration system components and extend service intervals.
- Model-Specific Compatibility – Fits Thermo King SB III and Super II refrigeration units to ensure correct sealing and system integrity.
- Fleet Uptime Focus – Reduces risk of acid formation and system blockage, helping maintain continuous temperature control for reefer trailers and refrigerated trucks.
- Service-Ready Packaging – Supplied as an individual drier for direct replacement during scheduled maintenance or system service events.
- Secure Flare Connections – Designed for use with Thermo King flare fittings to support leak-free installation and dependable refrigerant flow.
Product Details
| Part Number | 664900 |
| Product Name | Thermo King Drier 664900 (SB III & Super II) |
| Description | Filter-drier / dehydrator for Thermo King transport refrigeration units |
| Compatibility | Thermo King SB III, SB III-50, Super II and related SB-series refrigeration units |
| Fittings | Factory-specified flare connections (typical configuration documented for SB-series installations) |
| Packaging | Individual filter-drier unit for direct service replacement |
| Notes | Listed for SB-series units built in the Thermo King production range through the late 1980s and early 1990s; confirm unit serial data for exact fitment |
Efficiency & Sustainability
This Thermo King drier supports efficient refrigerant flow and system reliability, contributing to consistent temperature control and fuel-efficient cooling on Diesel Direct Electric and other Thermo King drive options. Use in properly maintained systems helps fleets meet environmental and efficiency objectives and integrates with telematics and control platforms such as Smart Reefer SR-4 when installed in compliant Thermo King units.
Installation & Maintenance Tips
Install using OEM-quality flare fittings and clamps to ensure leak-free connections. Inspect the refrigeration circuit and replace the drier whenever the system is opened for compressor or evaporator service. Follow scheduled maintenance intervals and Thermo King service procedures for evacuation and recharge to protect system components and maintain warranty eligibility.
Real-World Applications
This drier is ideal for reefer trailers, refrigerated straight trucks, and transport refrigeration applications that run Thermo King SB III and Super II units. Fleet operations across Amarillo, Lubbock, Odessa, and the wider West Texas region use this component to sustain temperature control for perishable goods and produce reliable ROI through reduced downtime.
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 reach the service department for confirmation.
Frequently Asked Questions
Q: Is this drier compatible with Thermo King SB III units?
A: Yes. The Thermo King Drier 664900 is listed for use with SB III and Super II refrigeration units; verify unit serial data to confirm exact fitment.
Q: When should the drier be replaced?
A: Replace the drier whenever the refrigerant circuit opens for major service, after compressor failure, or per scheduled maintenance intervals to maintain system reliability.
Q: Does this part support modern monitoring platforms?
A: Yes. When installed in compatible Thermo King systems, the drier works with system controls and telematics platforms such as Smart Reefer SR-4 to support fleet monitoring and temperature control.
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.