Thermo King Internal Retaining Ring Compressor 555415

$1.27

Official OEM Thermo King parts catalog entry for the Thermo King Internal Ring 555415, 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 relies on precision components like the Thermo King Internal Ring 555415 to maintain secure internal assemblies and consistent temperature control across transport refrigeration operations. This internal retaining ring delivers OEM-grade retention for critical compressor and refrigeration components in demanding reefer trailer and truck environments.

West Texas Thermo King provides certified Thermo King parts that support uptime, efficiency, and dependable temperature control for fleets operating in Amarillo, Lubbock, Odessa, and throughout the Permian Basin. The Internal Ring 555415 contributes to reliable operation and lower lifecycle costs by preserving correct component alignment and axial retention within Thermo King systems.

  • OEM Retention Design – Ensures axial security of internal components to reduce wear and prevent unexpected movement during compressor cycles.
  • Precision Fit – Manufactured to Thermo King OEM tolerances to support correct seating and consistent assembly alignment.
  • Durable Construction – Built from durable metal alloys and heat-treated finishes consistent with Thermo King component standards for long service life.
  • Serviceability – Simplifies scheduled maintenance and component replacement, supporting faster service turnaround and reduced downtime.
  • Fleet Reliability – Supports temperature-controlled cargo protection across reefer trailers and refrigerated trucks, helping preserve product integrity and fleet ROI.

Product Details

The Thermo King Internal Ring 555415 functions as an internal retaining ring used to secure axial position of internal assemblies within Thermo King refrigeration components and compressor housings. Specific dimensional and material details are defined in Thermo King OEM parts documentation and service manuals. Confirm model-specific fitment and installation instructions using the Thermo King parts catalog or by contacting a certified Thermo King dealership for verification.

Efficiency & Sustainability

This internal retaining component supports efficient transport refrigeration by maintaining precise assembly alignment and minimizing mechanical drag and premature wear. Proper retention contributes to consistent temperature control and reliable operation for Smart Reefer SR-4, Precedent, and other Thermo King platforms when specified by OEM parts listings. Maintaining OEM component integrity helps fleets operate more fuel-efficient cooling cycles and supports compliance with emissions and CARB Evergreen expectations where applicable.

Installation & Maintenance Tips

Install the Internal Ring 555415 per OEM procedure and confirm correct seating in the machined groove before completing assembly. Use manufacturer-recommended tools and retainers to avoid distortion. Inspect ring condition and groove wear during scheduled maintenance intervals and replace if nicks, deformation, or loss of axial retention appear. Always follow Thermo King service guidelines for torque, lubrication, and component sequencing.

Real-World Applications

The Internal Ring 555415 is ideal for use inside Thermo King compressor assemblies and refrigeration housings where axial retention is required to maintain operational reliability. Typical applications include reefer trailers, refrigerated truck units, and transport refrigeration systems that demand precise component control under variable loads and temperature extremes.

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: contact West Texas Thermo King or speak directly with parts and service staff for confirmation.

Frequently Asked Questions

Q: How do I confirm the Internal Ring 555415 fits my Thermo King unit?
A: Confirm fitment using the Thermo King OEM parts catalog or contact certified technicians at West Texas Thermo King for model-specific verification and installation guidance.

Q: Is specialized tooling required to install this internal ring?
A: Use manufacturer-recommended tools and installation practices to ensure correct seating and avoid deformation; certified service centers supply proper tooling and installation support.

Q: How does this ring affect fleet uptime?
A: Proper internal retention prevents axial movement and excessive wear, supporting consistent refrigeration performance and reducing unscheduled downtime for reefer trailers and 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 Internal Ring 555415, 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 relies on precision components like the Thermo King Internal Ring 555415 to maintain secure internal assemblies and consistent temperature control across transport refrigeration operations. This internal retaining ring delivers OEM-grade retention for critical compressor and refrigeration components in demanding reefer trailer and truck environments.

West Texas Thermo King provides certified Thermo King parts that support uptime, efficiency, and dependable temperature control for fleets operating in Amarillo, Lubbock, Odessa, and throughout the Permian Basin. The Internal Ring 555415 contributes to reliable operation and lower lifecycle costs by preserving correct component alignment and axial retention within Thermo King systems.

  • OEM Retention Design – Ensures axial security of internal components to reduce wear and prevent unexpected movement during compressor cycles.
  • Precision Fit – Manufactured to Thermo King OEM tolerances to support correct seating and consistent assembly alignment.
  • Durable Construction – Built from durable metal alloys and heat-treated finishes consistent with Thermo King component standards for long service life.
  • Serviceability – Simplifies scheduled maintenance and component replacement, supporting faster service turnaround and reduced downtime.
  • Fleet Reliability – Supports temperature-controlled cargo protection across reefer trailers and refrigerated trucks, helping preserve product integrity and fleet ROI.

Product Details

The Thermo King Internal Ring 555415 functions as an internal retaining ring used to secure axial position of internal assemblies within Thermo King refrigeration components and compressor housings. Specific dimensional and material details are defined in Thermo King OEM parts documentation and service manuals. Confirm model-specific fitment and installation instructions using the Thermo King parts catalog or by contacting a certified Thermo King dealership for verification.

Efficiency & Sustainability

This internal retaining component supports efficient transport refrigeration by maintaining precise assembly alignment and minimizing mechanical drag and premature wear. Proper retention contributes to consistent temperature control and reliable operation for Smart Reefer SR-4, Precedent, and other Thermo King platforms when specified by OEM parts listings. Maintaining OEM component integrity helps fleets operate more fuel-efficient cooling cycles and supports compliance with emissions and CARB Evergreen expectations where applicable.

Installation & Maintenance Tips

Install the Internal Ring 555415 per OEM procedure and confirm correct seating in the machined groove before completing assembly. Use manufacturer-recommended tools and retainers to avoid distortion. Inspect ring condition and groove wear during scheduled maintenance intervals and replace if nicks, deformation, or loss of axial retention appear. Always follow Thermo King service guidelines for torque, lubrication, and component sequencing.

Real-World Applications

The Internal Ring 555415 is ideal for use inside Thermo King compressor assemblies and refrigeration housings where axial retention is required to maintain operational reliability. Typical applications include reefer trailers, refrigerated truck units, and transport refrigeration systems that demand precise component control under variable loads and temperature extremes.

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: contact West Texas Thermo King or speak directly with parts and service staff for confirmation.

Frequently Asked Questions

Q: How do I confirm the Internal Ring 555415 fits my Thermo King unit?
A: Confirm fitment using the Thermo King OEM parts catalog or contact certified technicians at West Texas Thermo King for model-specific verification and installation guidance.

Q: Is specialized tooling required to install this internal ring?
A: Use manufacturer-recommended tools and installation practices to ensure correct seating and avoid deformation; certified service centers supply proper tooling and installation support.

Q: How does this ring affect fleet uptime?
A: Proper internal retention prevents axial movement and excessive wear, supporting consistent refrigeration performance and reducing unscheduled downtime for reefer trailers and 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.