Thermo King Fuel-System O-Ring Seal for Service Connections 334171

$7.90

Official OEM Thermo King parts catalog entry for the Thermo King O-Ring 334171, 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 334171 delivers OEM-grade sealing reliability for transport refrigeration fuel and service connections, ensuring leak-free operation and consistent temperature control across demanding reefer applications. Thermo King refrigeration system integrity depends on properly fitting seals like this O-Ring to maintain fuel-efficient cooling and system precision.

Key Features & Customer Benefits

  • OEM Thermo King Part – Ensures authentic fit and compatibility for certified Thermo King service routines, reducing diagnostic time.
  • High-Quality Elastomer – Provides chemical and temperature resistance for reliable sealing in fuel and service components.
  • Leak Prevention – Maintains pressure integrity to support consistent temperature control and minimize fuel loss.
  • Durable Service Life – Withstands routine maintenance cycles to help lower downtime and increase fleet uptime.
  • Fleet-Ready Compatibility – Works in transport refrigeration and reefer trailer service applications where OEM seals are required.

Product Details

Part Number334171
Product NameThermo King O-Ring 334171
MaterialOEM-grade elastomer (engineered for fuel-system sealing)
ApplicationSealing for fuel injection and service connections in Thermo King transport refrigeration equipment
ManufacturerThermo King (OEM)

Efficiency & Sustainability

This OEM O-Ring supports fuel-efficient cooling by preserving seal integrity in systems designed for low emissions and efficient operation. Proper sealing reduces fuel seepage and helps maintain consistent temperature control in reefer trailers and refrigerated trucks, supporting fleet goals for reduced waste and longer service intervals. Use in conjunction with CARB Evergreen–compliant units and Smart Reefer SR-4 monitoring to maximize system efficiency.

Installation & Maintenance Tips

Install with clean mating surfaces and OEM-recommended lubricants to avoid damage during assembly. Use OEM clamps and retainers where specified and inspect O-rings during scheduled service intervals for signs of wear or hardening. Replace with the exact Thermo King O-Ring 334171 to preserve seal geometry and system reliability.

Real-World Applications

The Thermo King O-Ring 334171 is used in transport refrigeration fuel and service connections across refrigerated trucks, reefer trailers, and stationary refrigeration service points. Its OEM specification makes it ideal for fleets operating Precedent-series units and modern Diesel Direct Electric installations when OEM sealing is required for service or repair. 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, contact us for warranty information at West Texas Thermo King Contact or call the service department for confirmation.

Frequently Asked Questions

Q: Is this O-Ring compatible with Thermo King Precedent units?
A: Yes. The Thermo King O-Ring 334171 is an OEM sealing component used in fuel and service connections common to Precedent and similar Thermo King transport refrigeration installations; confirm fitment for the specific connection during parts ordering.

Q: How often should the O-Ring be inspected or replaced?
A: Inspect O-rings at scheduled service intervals and replace any showing hardening, distortion, or visible degradation. Follow OEM maintenance intervals for optimal reliability.

Q: Can this part support Smart Reefer SR-4 monitored systems?
A: Yes. When installed correctly, this OEM O-Ring helps maintain the leak-free operation required for accurate monitoring and temperature control through Smart Reefer SR-4 systems.

Q: Where can fleets in the Permian Basin obtain this part?
A: West Texas Thermo King stocks and ships genuine Thermo King parts for fleets in the Permian Basin, Amarillo, Lubbock, and Odessa; contact the parts team for availability and ordering.

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 334171, 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 334171 delivers OEM-grade sealing reliability for transport refrigeration fuel and service connections, ensuring leak-free operation and consistent temperature control across demanding reefer applications. Thermo King refrigeration system integrity depends on properly fitting seals like this O-Ring to maintain fuel-efficient cooling and system precision.

Key Features & Customer Benefits

  • OEM Thermo King Part – Ensures authentic fit and compatibility for certified Thermo King service routines, reducing diagnostic time.
  • High-Quality Elastomer – Provides chemical and temperature resistance for reliable sealing in fuel and service components.
  • Leak Prevention – Maintains pressure integrity to support consistent temperature control and minimize fuel loss.
  • Durable Service Life – Withstands routine maintenance cycles to help lower downtime and increase fleet uptime.
  • Fleet-Ready Compatibility – Works in transport refrigeration and reefer trailer service applications where OEM seals are required.

Product Details

Part Number334171
Product NameThermo King O-Ring 334171
MaterialOEM-grade elastomer (engineered for fuel-system sealing)
ApplicationSealing for fuel injection and service connections in Thermo King transport refrigeration equipment
ManufacturerThermo King (OEM)

Efficiency & Sustainability

This OEM O-Ring supports fuel-efficient cooling by preserving seal integrity in systems designed for low emissions and efficient operation. Proper sealing reduces fuel seepage and helps maintain consistent temperature control in reefer trailers and refrigerated trucks, supporting fleet goals for reduced waste and longer service intervals. Use in conjunction with CARB Evergreen–compliant units and Smart Reefer SR-4 monitoring to maximize system efficiency.

Installation & Maintenance Tips

Install with clean mating surfaces and OEM-recommended lubricants to avoid damage during assembly. Use OEM clamps and retainers where specified and inspect O-rings during scheduled service intervals for signs of wear or hardening. Replace with the exact Thermo King O-Ring 334171 to preserve seal geometry and system reliability.

Real-World Applications

The Thermo King O-Ring 334171 is used in transport refrigeration fuel and service connections across refrigerated trucks, reefer trailers, and stationary refrigeration service points. Its OEM specification makes it ideal for fleets operating Precedent-series units and modern Diesel Direct Electric installations when OEM sealing is required for service or repair. 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, contact us for warranty information at West Texas Thermo King Contact or call the service department for confirmation.

Frequently Asked Questions

Q: Is this O-Ring compatible with Thermo King Precedent units?
A: Yes. The Thermo King O-Ring 334171 is an OEM sealing component used in fuel and service connections common to Precedent and similar Thermo King transport refrigeration installations; confirm fitment for the specific connection during parts ordering.

Q: How often should the O-Ring be inspected or replaced?
A: Inspect O-rings at scheduled service intervals and replace any showing hardening, distortion, or visible degradation. Follow OEM maintenance intervals for optimal reliability.

Q: Can this part support Smart Reefer SR-4 monitored systems?
A: Yes. When installed correctly, this OEM O-Ring helps maintain the leak-free operation required for accurate monitoring and temperature control through Smart Reefer SR-4 systems.

Q: Where can fleets in the Permian Basin obtain this part?
A: West Texas Thermo King stocks and ships genuine Thermo King parts for fleets in the Permian Basin, Amarillo, Lubbock, and Odessa; contact the parts team for availability and ordering.

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.