Thermo King Transport Refrigeration Sealing Gasket 337421

$15.12

Official OEM Thermo King parts catalog entry for the Thermo King Gasket 337421, 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 Thermo King refrigeration system Gasket 337421 delivers OEM-grade sealing reliability for temperature-critical transport refrigeration. This gasket supports consistent temperature control and leak-free operation to maximize uptime for refrigerated fleets.

West Texas Thermo King, a certified Thermo King dealership, lists this genuine Thermo King Gasket 337421 for service and parts programs across the Permian Basin and West Texas markets.

  • OEM Thermo King Specification – Ensures sealing integrity consistent with factory maintenance standards for temperature control systems.
  • Durable Construction – Resists common thermal and vibration stresses to extend service intervals and reduce downtime.
  • Precision Fit – Designed to align with Thermo King component interfaces to minimize leaks and maintain consistent refrigeration performance.
  • Service-Ready – Compatible with routine maintenance workflows for reefer trailers and transport refrigeration units, aiding quick replacement during scheduled service.
  • Fleet Uptime Focus – Helps protect cargo integrity by maintaining reliable sealing and reducing the risk of temperature excursions.

Product Details

The Thermo King Gasket 337421 is a genuine OEM sealing component intended for Thermo King refrigeration applications. Part number 337421 identifies this specific gasket within Thermo King parts catalogs and service manuals. Exact material composition and dimensional specifications follow Thermo King manufacturing standards and appear in official Thermo King parts documentation available to certified dealerships and service technicians.

Efficiency & Sustainability

This gasket supports efficient cooling operation by maintaining proper system sealing and preventing refrigerant or airflow losses that reduce cooling efficiency. Proper sealing contributes to fuel-efficient cooling across Thermo King platforms and aligns with fleet sustainability goals. Thermo King engineering standards — applied across Smart Reefer SR-4, Precedent S-610M, and Diesel Direct Electric platforms — emphasize reliable sealing to support regulated emissions and operational efficiency.

Installation & Maintenance Tips

Use OEM-specified fasteners and clamps for secure fitment and inspect gasket surfaces during scheduled maintenance intervals. Replace the gasket whenever mating surfaces show wear or after component removal. Follow Thermo King service procedures and torque specifications to preserve sealing performance and avoid premature failure.

Real-World Applications

The Thermo King Gasket 337421 is used in temperature-controlled transport refrigeration environments including reefer trailers, refrigerated trucks, and mobile cold chain units. Service technicians at certified dealerships install this part to maintain reliable temperature control for perishable cargo and to support continuous fleet operations.

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 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 this gasket an OEM Thermo King part?
A: Yes. Part number 337421 is a genuine Thermo King OEM gasket listed for Thermo King service and maintenance.

Q: Can this gasket be replaced during routine service on reefer trailers?
A: Yes. Technicians replace gaskets during scheduled maintenance or component service to maintain seal integrity and consistent temperature control.

Q: Does installation of this gasket support fleet uptime and cargo protection?
A: Yes. Proper gasket installation reduces the likelihood of leaks and helps sustain reliable temperature control for perishable shipments.

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 Gasket 337421, 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 Thermo King refrigeration system Gasket 337421 delivers OEM-grade sealing reliability for temperature-critical transport refrigeration. This gasket supports consistent temperature control and leak-free operation to maximize uptime for refrigerated fleets.

West Texas Thermo King, a certified Thermo King dealership, lists this genuine Thermo King Gasket 337421 for service and parts programs across the Permian Basin and West Texas markets.

  • OEM Thermo King Specification – Ensures sealing integrity consistent with factory maintenance standards for temperature control systems.
  • Durable Construction – Resists common thermal and vibration stresses to extend service intervals and reduce downtime.
  • Precision Fit – Designed to align with Thermo King component interfaces to minimize leaks and maintain consistent refrigeration performance.
  • Service-Ready – Compatible with routine maintenance workflows for reefer trailers and transport refrigeration units, aiding quick replacement during scheduled service.
  • Fleet Uptime Focus – Helps protect cargo integrity by maintaining reliable sealing and reducing the risk of temperature excursions.

Product Details

The Thermo King Gasket 337421 is a genuine OEM sealing component intended for Thermo King refrigeration applications. Part number 337421 identifies this specific gasket within Thermo King parts catalogs and service manuals. Exact material composition and dimensional specifications follow Thermo King manufacturing standards and appear in official Thermo King parts documentation available to certified dealerships and service technicians.

Efficiency & Sustainability

This gasket supports efficient cooling operation by maintaining proper system sealing and preventing refrigerant or airflow losses that reduce cooling efficiency. Proper sealing contributes to fuel-efficient cooling across Thermo King platforms and aligns with fleet sustainability goals. Thermo King engineering standards — applied across Smart Reefer SR-4, Precedent S-610M, and Diesel Direct Electric platforms — emphasize reliable sealing to support regulated emissions and operational efficiency.

Installation & Maintenance Tips

Use OEM-specified fasteners and clamps for secure fitment and inspect gasket surfaces during scheduled maintenance intervals. Replace the gasket whenever mating surfaces show wear or after component removal. Follow Thermo King service procedures and torque specifications to preserve sealing performance and avoid premature failure.

Real-World Applications

The Thermo King Gasket 337421 is used in temperature-controlled transport refrigeration environments including reefer trailers, refrigerated trucks, and mobile cold chain units. Service technicians at certified dealerships install this part to maintain reliable temperature control for perishable cargo and to support continuous fleet operations.

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 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 this gasket an OEM Thermo King part?
A: Yes. Part number 337421 is a genuine Thermo King OEM gasket listed for Thermo King service and maintenance.

Q: Can this gasket be replaced during routine service on reefer trailers?
A: Yes. Technicians replace gaskets during scheduled maintenance or component service to maintain seal integrity and consistent temperature control.

Q: Does installation of this gasket support fleet uptime and cargo protection?
A: Yes. Proper gasket installation reduces the likelihood of leaks and helps sustain reliable temperature control for perishable shipments.

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.