OEM Thermo King Throttling Valve O-Ring Seal 330408

$2.98

Official OEM Thermo King parts catalog entry for the Thermo King O Ring, Throttling Valve 330408, 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 O Ring, Throttling Valve 330408 delivers OEM-grade sealing for Thermo King refrigeration systems, ensuring precise temperature control and reliable operation across transport refrigeration applications.

Thermo King refrigeration system components depend on durable seals to maintain fuel-efficient cooling and continuous temperature control. West Texas Thermo King, a certified Thermo King dealership, lists this O Ring for fleets that require uptime and predictable ROI throughout Amarillo, Lubbock, Odessa, West Texas, and the Permian Basin.

  • OEM Fit – Designed for exact fit in Thermo King throttling valve assemblies and compressor connections to prevent refrigerant and oil loss.
  • Reliable Seal Integrity – Maintains consistent sealing under vibration and thermal cycling to support steady temperature control in reefer trailer and truck operations.
  • Fleet Uptime – Minimizes leak-related downtime to protect perishable loads and reduce emergency service calls across long-haul routes.
  • Compatibility – Works with a range of Thermo King units and compressor applications, supporting service standardization across mixed fleets.
  • Serviceability – Simple replacement during scheduled maintenance preserves system efficiency and extends component life.

Product Details

Part Number330408
Product NameO Ring, Throttling Valve
DescriptionOEM O-ring seal for throttling valve and related compressor sleeve applications in Thermo King refrigeration systems.
CompatibilityUsed in Thermo King compressor and valve assemblies across multiple models; fits standard Thermo King service procedures.

Efficiency & Sustainability

This O Ring supports efficient refrigeration by preserving system charge and preventing leaks that reduce cooling efficiency. Proper sealing helps Thermo King Smart Reefer SR-4 and Diesel Direct Electric configurations operate as engineered, contributing to lower fuel consumption and reduced refrigerant emissions when maintained to OEM standards.

Installation & Maintenance Tips

Replace O Ring seals during scheduled service intervals or whenever valve or compressor work occurs. Use OEM-compatible lubricants and clamps, inspect seating surfaces for damage, and follow Thermo King torque and assembly procedures to ensure consistent sealing and long service life.

Real-World Applications

The Thermo King O Ring, Throttling Valve 330408 serves refrigerated trailers, truck-mounted reefer units, and transport refrigeration systems where precise throttling-valve sealing supports temperature-sensitive cargo. West Texas Thermo King recommends inspection during preventive maintenance to ensure uninterrupted temperature control. 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: contact West Texas Thermo King or call the service department for confirmation.

Frequently Asked Questions

Q: Is this O Ring compatible with Thermo King compressor valves?
A: Yes. The O Ring, Throttling Valve 330408 is specified for Thermo King throttling valve and related compressor sleeve applications and fits standard Thermo King service assemblies.

Q: When should this seal be replaced?
A: Replace during scheduled valve or compressor service, or earlier if evidence of leakage, nicks, or hardening exists. Regular inspection during preventive maintenance preserves system efficiency.

Q: Does installation require special tooling?
A: Basic service tools and OEM lubrication are sufficient; follow Thermo King torque specs and assembly procedures for reliable sealing.

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 O Ring, Throttling Valve 330408, 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 O Ring, Throttling Valve 330408 delivers OEM-grade sealing for Thermo King refrigeration systems, ensuring precise temperature control and reliable operation across transport refrigeration applications.

Thermo King refrigeration system components depend on durable seals to maintain fuel-efficient cooling and continuous temperature control. West Texas Thermo King, a certified Thermo King dealership, lists this O Ring for fleets that require uptime and predictable ROI throughout Amarillo, Lubbock, Odessa, West Texas, and the Permian Basin.

  • OEM Fit – Designed for exact fit in Thermo King throttling valve assemblies and compressor connections to prevent refrigerant and oil loss.
  • Reliable Seal Integrity – Maintains consistent sealing under vibration and thermal cycling to support steady temperature control in reefer trailer and truck operations.
  • Fleet Uptime – Minimizes leak-related downtime to protect perishable loads and reduce emergency service calls across long-haul routes.
  • Compatibility – Works with a range of Thermo King units and compressor applications, supporting service standardization across mixed fleets.
  • Serviceability – Simple replacement during scheduled maintenance preserves system efficiency and extends component life.

Product Details

Part Number330408
Product NameO Ring, Throttling Valve
DescriptionOEM O-ring seal for throttling valve and related compressor sleeve applications in Thermo King refrigeration systems.
CompatibilityUsed in Thermo King compressor and valve assemblies across multiple models; fits standard Thermo King service procedures.

Efficiency & Sustainability

This O Ring supports efficient refrigeration by preserving system charge and preventing leaks that reduce cooling efficiency. Proper sealing helps Thermo King Smart Reefer SR-4 and Diesel Direct Electric configurations operate as engineered, contributing to lower fuel consumption and reduced refrigerant emissions when maintained to OEM standards.

Installation & Maintenance Tips

Replace O Ring seals during scheduled service intervals or whenever valve or compressor work occurs. Use OEM-compatible lubricants and clamps, inspect seating surfaces for damage, and follow Thermo King torque and assembly procedures to ensure consistent sealing and long service life.

Real-World Applications

The Thermo King O Ring, Throttling Valve 330408 serves refrigerated trailers, truck-mounted reefer units, and transport refrigeration systems where precise throttling-valve sealing supports temperature-sensitive cargo. West Texas Thermo King recommends inspection during preventive maintenance to ensure uninterrupted temperature control. 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: contact West Texas Thermo King or call the service department for confirmation.

Frequently Asked Questions

Q: Is this O Ring compatible with Thermo King compressor valves?
A: Yes. The O Ring, Throttling Valve 330408 is specified for Thermo King throttling valve and related compressor sleeve applications and fits standard Thermo King service assemblies.

Q: When should this seal be replaced?
A: Replace during scheduled valve or compressor service, or earlier if evidence of leakage, nicks, or hardening exists. Regular inspection during preventive maintenance preserves system efficiency.

Q: Does installation require special tooling?
A: Basic service tools and OEM lubrication are sufficient; follow Thermo King torque specs and assembly procedures for reliable sealing.

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.