Thermo King Stainless Steel Washer Lock Dome 553045

$3.24

Official OEM Thermo King parts catalog entry for the Thermo King Washer Lock Dome SS 553045, 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 Lock Dome SS 553045 secures critical mounting points on Thermo King refrigeration systems and prevents fastener loosening under heavy vibration. Engineered for transport refrigeration reliability, this stainless steel locking dome supports uptime and consistent temperature control across reefer trailers and refrigerated trucks.

Key Features & Customer Benefits

  • Stainless Steel Construction – Provides corrosion resistance for long-term service in harsh transport environments across West Texas and the Permian Basin.
  • Locking Dome Design – Prevents fastener back-off from vibration, preserving secure assemblies and reducing unscheduled downtime.
  • OEM Fitment – Matches Thermo King attachment points for secure, repeatable installation on transport refrigeration assemblies.
  • Low-Maintenance Reliability – Supports extended service intervals and lowers parts replacement frequency, improving fleet ROI.
  • Fleet-Grade Durability – Suited for continuous operation on Smart Reefer SR-4 and diesel direct electric systems where vibration resistance and stability matter.

Product Details

Part Number553045
Product NameThermo King Washer Lock Dome SS
MaterialStainless steel
FunctionLocking washer/dome to secure fasteners and resist vibration
ApplicationTransport refrigeration mounting and component assemblies

Efficiency & Sustainability

This stainless steel locking dome supports reliable temperature control by maintaining secure mechanical connections on Thermo King refrigeration units. Long service life reduces part turnover and waste, contributing to lower lifecycle environmental impact. Compatibility with Thermo King platforms such as Smart Reefer SR-4 helps fleets maintain CARB Evergreen and efficiency-focused operations while preserving fuel-efficient cooling and temperature stability for perishable loads.

Installation & Maintenance Tips

Install using OEM-recommended fasteners and torque practices. Inspect locking domes during scheduled maintenance intervals and replace when corrosion or deformation appears. Use genuine Thermo King hardware and clamps for best fit and to maintain warranty eligibility. Certified technicians at West Texas Thermo King provide installation and verification for fleet service in Amarillo, Lubbock, Odessa, and the wider region.

Real-World Applications

The Thermo King Washer Lock Dome SS 553045 secures brackets, mounts, and assemblies on reefer trailers, refrigerated straight trucks, and multi-temperature transport units. Fleets operating throughout West Texas, the Permian Basin, and neighboring states rely on this component to preserve consistent temperature control and reduce maintenance stops during long hauls. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.

View all Thermo King Parts

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, please contact us for warranty information or contact our service department for confirmation.

Frequently Asked Questions

Q: Is this Washer Lock Dome compatible with Thermo King Precedent and S-Series assemblies?
A: Yes. The Washer Lock Dome SS 553045 fits Thermo King mounting points and assemblies commonly used across Precedent and S-Series configurations when the original part number 553045 is specified.

Q: What is the primary benefit of the locking dome design?
A: The locking dome design resists fastener loosening from vibration, maintaining secure connections that protect temperature control and reduce unscheduled service events.

Q: Can this part withstand corrosive or coastal environments in West Texas operations?
A: Yes. Stainless steel construction provides strong corrosion resistance suitable for demanding environments encountered across Amarillo, Lubbock, Odessa, and the Permian Basin.

Q: Where can fleets obtain professional installation or verification?
A: Certified technicians at West Texas Thermo King provide installation, inspection, and verification for parts and assemblies across the Southwest.

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 Lock Dome SS 553045, 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 Lock Dome SS 553045 secures critical mounting points on Thermo King refrigeration systems and prevents fastener loosening under heavy vibration. Engineered for transport refrigeration reliability, this stainless steel locking dome supports uptime and consistent temperature control across reefer trailers and refrigerated trucks.

Key Features & Customer Benefits

  • Stainless Steel Construction – Provides corrosion resistance for long-term service in harsh transport environments across West Texas and the Permian Basin.
  • Locking Dome Design – Prevents fastener back-off from vibration, preserving secure assemblies and reducing unscheduled downtime.
  • OEM Fitment – Matches Thermo King attachment points for secure, repeatable installation on transport refrigeration assemblies.
  • Low-Maintenance Reliability – Supports extended service intervals and lowers parts replacement frequency, improving fleet ROI.
  • Fleet-Grade Durability – Suited for continuous operation on Smart Reefer SR-4 and diesel direct electric systems where vibration resistance and stability matter.

Product Details

Part Number553045
Product NameThermo King Washer Lock Dome SS
MaterialStainless steel
FunctionLocking washer/dome to secure fasteners and resist vibration
ApplicationTransport refrigeration mounting and component assemblies

Efficiency & Sustainability

This stainless steel locking dome supports reliable temperature control by maintaining secure mechanical connections on Thermo King refrigeration units. Long service life reduces part turnover and waste, contributing to lower lifecycle environmental impact. Compatibility with Thermo King platforms such as Smart Reefer SR-4 helps fleets maintain CARB Evergreen and efficiency-focused operations while preserving fuel-efficient cooling and temperature stability for perishable loads.

Installation & Maintenance Tips

Install using OEM-recommended fasteners and torque practices. Inspect locking domes during scheduled maintenance intervals and replace when corrosion or deformation appears. Use genuine Thermo King hardware and clamps for best fit and to maintain warranty eligibility. Certified technicians at West Texas Thermo King provide installation and verification for fleet service in Amarillo, Lubbock, Odessa, and the wider region.

Real-World Applications

The Thermo King Washer Lock Dome SS 553045 secures brackets, mounts, and assemblies on reefer trailers, refrigerated straight trucks, and multi-temperature transport units. Fleets operating throughout West Texas, the Permian Basin, and neighboring states rely on this component to preserve consistent temperature control and reduce maintenance stops during long hauls. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.

View all Thermo King Parts

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, please contact us for warranty information or contact our service department for confirmation.

Frequently Asked Questions

Q: Is this Washer Lock Dome compatible with Thermo King Precedent and S-Series assemblies?
A: Yes. The Washer Lock Dome SS 553045 fits Thermo King mounting points and assemblies commonly used across Precedent and S-Series configurations when the original part number 553045 is specified.

Q: What is the primary benefit of the locking dome design?
A: The locking dome design resists fastener loosening from vibration, maintaining secure connections that protect temperature control and reduce unscheduled service events.

Q: Can this part withstand corrosive or coastal environments in West Texas operations?
A: Yes. Stainless steel construction provides strong corrosion resistance suitable for demanding environments encountered across Amarillo, Lubbock, Odessa, and the Permian Basin.

Q: Where can fleets obtain professional installation or verification?
A: Certified technicians at West Texas Thermo King provide installation, inspection, and verification for parts and assemblies across the Southwest.

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.