Thermo King Caged Nut Assembly Fastening Hardware 553493
Official OEM Thermo King parts catalog entry for the Thermo King Nut Assy Caged 553493, 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 Nut Assy Caged 553493 provides secure, OEM-grade fastening for critical components on Thermo King refrigeration units. Engineered to support reliable connections across temperature-controlled fleets, this part integrates with Thermo King refrigeration system hardware to protect fasteners from vibration and loss during transport refrigeration duty.
The Thermo King Nut Assy Caged 553493 matters because secure fittings maintain consistent temperature control, reduce unscheduled downtime, and protect fuel-efficient cooling operation across reefer trailers and transport refrigeration equipment.
- OEM Fit – Ensures precise compatibility with Thermo King mounting points to maintain leak-free assemblies and correct torque specification adherence.
 - Anti-Vibration Security – Reduces fastener loosening under road and engine vibration, supporting continuous temperature regulation for perishable cargo.
 - Durable Construction – Built to withstand exposure in refrigerated trucks and reefer trailers, extending service intervals and reducing part turnover.
 - Serviceability – Designed for straightforward replacement during scheduled maintenance to minimize shop time and maximize fleet uptime.
 - Fleet-Ready Reliability – Supports transport refrigeration systems including Smart Reefer SR-4 and Precedent-series units for dependable temperature control across long hauls.
 
Product Details
| Part Number | 553493 | 
| Product Name | Thermo King Nut Assy Caged 553493 | 
| Manufacturer | Thermo King (OEM) | 
| Application | Fastening assembly for Thermo King refrigeration units and reefer trailer mount points | 
| Availability | Available through West Texas Thermo King parts distribution | 
Efficiency & Sustainability
The Thermo King Nut Assy Caged 553493 contributes to overall system efficiency by preserving secure mechanical connections that support fuel-efficient cooling and consistent temperature control. Properly secured components reduce heat-transfer inefficiencies and service interventions, aligning with CARB Evergreen and Smart Reefer SR-4 management practices for lower lifecycle environmental impact.
Installation & Maintenance Tips
Install using OEM-recommended torque settings and hardware. Use Thermo King specified clamps and retainers where applicable and inspect caged nut assemblies during scheduled maintenance intervals to confirm secure seating and corrosion-free threads. Replace if deformation or corrosion compromises fit.
Real-World Applications
The Nut Assy Caged 553493 is used on refrigerated trailers, truck-mounted reefers, and fixed refrigeration cabinets where secure fastenings resist vibration and road shock. It supports fleets operating across short-haul and long-haul routes, from regional deliveries to cross-country refrigerated transport.
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 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, contact West Texas Thermo King for warranty information: contact us.
Frequently Asked Questions
Q: Is the Nut Assy Caged 553493 compatible with Precedent S-610M units?
A: Yes. This OEM Thermo King nut assembly supports secure fastening in Precedent-series and many Thermo King refrigeration configurations when used at designated mounting points.
Q: How does this part improve fleet uptime?
A: By preventing fastener loss and reducing vibration-induced loosening, the caged nut assembly reduces unscheduled stops and extends intervals between corrective repairs.
Q: What maintenance is recommended for this fastener assembly?
A: Inspect during routine service checks, ensure proper torque, and replace if threads or cage retainers show wear or corrosion.
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 Nut Assy Caged 553493, 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 Nut Assy Caged 553493 provides secure, OEM-grade fastening for critical components on Thermo King refrigeration units. Engineered to support reliable connections across temperature-controlled fleets, this part integrates with Thermo King refrigeration system hardware to protect fasteners from vibration and loss during transport refrigeration duty.
The Thermo King Nut Assy Caged 553493 matters because secure fittings maintain consistent temperature control, reduce unscheduled downtime, and protect fuel-efficient cooling operation across reefer trailers and transport refrigeration equipment.
- OEM Fit – Ensures precise compatibility with Thermo King mounting points to maintain leak-free assemblies and correct torque specification adherence.
 - Anti-Vibration Security – Reduces fastener loosening under road and engine vibration, supporting continuous temperature regulation for perishable cargo.
 - Durable Construction – Built to withstand exposure in refrigerated trucks and reefer trailers, extending service intervals and reducing part turnover.
 - Serviceability – Designed for straightforward replacement during scheduled maintenance to minimize shop time and maximize fleet uptime.
 - Fleet-Ready Reliability – Supports transport refrigeration systems including Smart Reefer SR-4 and Precedent-series units for dependable temperature control across long hauls.
 
Product Details
| Part Number | 553493 | 
| Product Name | Thermo King Nut Assy Caged 553493 | 
| Manufacturer | Thermo King (OEM) | 
| Application | Fastening assembly for Thermo King refrigeration units and reefer trailer mount points | 
| Availability | Available through West Texas Thermo King parts distribution | 
Efficiency & Sustainability
The Thermo King Nut Assy Caged 553493 contributes to overall system efficiency by preserving secure mechanical connections that support fuel-efficient cooling and consistent temperature control. Properly secured components reduce heat-transfer inefficiencies and service interventions, aligning with CARB Evergreen and Smart Reefer SR-4 management practices for lower lifecycle environmental impact.
Installation & Maintenance Tips
Install using OEM-recommended torque settings and hardware. Use Thermo King specified clamps and retainers where applicable and inspect caged nut assemblies during scheduled maintenance intervals to confirm secure seating and corrosion-free threads. Replace if deformation or corrosion compromises fit.
Real-World Applications
The Nut Assy Caged 553493 is used on refrigerated trailers, truck-mounted reefers, and fixed refrigeration cabinets where secure fastenings resist vibration and road shock. It supports fleets operating across short-haul and long-haul routes, from regional deliveries to cross-country refrigerated transport.
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 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, contact West Texas Thermo King for warranty information: contact us.
Frequently Asked Questions
Q: Is the Nut Assy Caged 553493 compatible with Precedent S-610M units?
A: Yes. This OEM Thermo King nut assembly supports secure fastening in Precedent-series and many Thermo King refrigeration configurations when used at designated mounting points.
Q: How does this part improve fleet uptime?
A: By preventing fastener loss and reducing vibration-induced loosening, the caged nut assembly reduces unscheduled stops and extends intervals between corrective repairs.
Q: What maintenance is recommended for this fastener assembly?
A: Inspect during routine service checks, ensure proper torque, and replace if threads or cage retainers show wear or corrosion.
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.