Thermo King Suction Pressure Transducer Press 421311
Official OEM Thermo King parts catalog entry for the Thermo King Transducer Press 421311, 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 Transducer Press 421311 integrates into Thermo King refrigeration systems to deliver precise suction-side pressure monitoring. Designed for transport refrigeration applications, this pressure transducer helps maintain temperature control, protect compressors, and support fuel-efficient cooling for reefer trailers and refrigerated trucks.
This Thermo King Transducer Press 421311 senses system suction pressure up to 200 PSIG with a male 1/8" NPT fitting and a four-wire electrical connection. West Texas Thermo King, a certified Thermo King dealership, lists this component as a service-ready OEM part for fleets operating across Amarillo, Lubbock, Odessa, and the Permian Basin.
- Reliable Pressure Sensing – Provides accurate suction-side readings up to 200 PSIG for consistent temperature control and compressor protection.
- OEM Threading – Male 1/8" NPT fitting ensures secure, leak-resistant installation in Thermo King refrigerant lines.
- Industrial-Grade Electrical Interface – Four-wire connection designed for seamless integration with Thermo King control modules and harnesses.
- Fleet-Ready Durability – Engineered to withstand transport vibration and environmental exposure common to reefer trailers and truck-mount refrigeration.
- Service Efficiency – Straightforward replacement reduces downtime and supports predictable maintenance intervals for high-utilization fleets.
Product Details
| Part Number | 421311 |
| Product | Thermo King Transducer Press 421311 |
| Function | Suction pressure transducer for transport refrigeration |
| Pressure Rating | 200 PSIG |
| Thread | Male 1/8" NPT |
| Connection | 4-wire electrical interface (4-pin plug compatible) |
| Compatibility | Suited for Thermo King transport refrigeration models including SB, SLX, SL, SLXe, Spectrum, Precedent series and systems using Thermo King control modules |
Efficiency & Sustainability
Accurate suction pressure sensing contributes to efficient refrigerant cycle control and reduced fuel consumption across Diesel Direct Electric and Smart Reefer SR-4 driven systems. Proper pressure feedback supports optimized compressor staging and helps fleets meet operating goals and emissions-minded programs such as CARB Evergreen compliance when paired with compliant refrigeration packages.
Installation & Maintenance Tips
Install with OEM-quality thread sealant rated for refrigeration service and secure the electrical connector to prevent moisture intrusion. Inspect wiring and connector pins during scheduled service intervals and verify signal integrity with the refrigeration control module. Professional installation by certified technicians at West Texas Thermo King ensures correct integration and reduces diagnostic time.
Real-World Applications
Used on reefer trailers, refrigerated trucks, and transport refrigeration units, the Thermo King Transducer Press 421311 provides the pressure feedback necessary for precise temperature control and compressor protection in long-haul and regional distribution operations.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked 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, contact us for warranty information: https://www.trailerservicesofwesttexas.com/contact
Frequently Asked Questions
Q: Is the Thermo King Transducer Press 421311 compatible with Precedent units?
A: Yes. The transducer is appropriate for suction pressure sensing in Precedent-series units and other Thermo King transport refrigeration systems listed in the product details.
Q: What is the pressure range for this transducer?
A: The Thermo King Transducer Press 421311 senses suction-side pressure up to 200 PSIG, supporting accurate control and diagnostics.
Q: Can this part integrate with Smart Reefer SR-4 controls?
A: The transducer uses a four-wire electrical interface designed to integrate with Thermo King control modules, including modern Smart Reefer systems when installed per OEM wiring standards.
Q: Who performs installation and calibration?
A: Certified technicians at West Texas Thermo King perform installation, signal verification, and any required calibration to ensure system reliability and uptime.
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 Transducer Press 421311, 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 Transducer Press 421311 integrates into Thermo King refrigeration systems to deliver precise suction-side pressure monitoring. Designed for transport refrigeration applications, this pressure transducer helps maintain temperature control, protect compressors, and support fuel-efficient cooling for reefer trailers and refrigerated trucks.
This Thermo King Transducer Press 421311 senses system suction pressure up to 200 PSIG with a male 1/8" NPT fitting and a four-wire electrical connection. West Texas Thermo King, a certified Thermo King dealership, lists this component as a service-ready OEM part for fleets operating across Amarillo, Lubbock, Odessa, and the Permian Basin.
- Reliable Pressure Sensing – Provides accurate suction-side readings up to 200 PSIG for consistent temperature control and compressor protection.
- OEM Threading – Male 1/8" NPT fitting ensures secure, leak-resistant installation in Thermo King refrigerant lines.
- Industrial-Grade Electrical Interface – Four-wire connection designed for seamless integration with Thermo King control modules and harnesses.
- Fleet-Ready Durability – Engineered to withstand transport vibration and environmental exposure common to reefer trailers and truck-mount refrigeration.
- Service Efficiency – Straightforward replacement reduces downtime and supports predictable maintenance intervals for high-utilization fleets.
Product Details
| Part Number | 421311 |
| Product | Thermo King Transducer Press 421311 |
| Function | Suction pressure transducer for transport refrigeration |
| Pressure Rating | 200 PSIG |
| Thread | Male 1/8" NPT |
| Connection | 4-wire electrical interface (4-pin plug compatible) |
| Compatibility | Suited for Thermo King transport refrigeration models including SB, SLX, SL, SLXe, Spectrum, Precedent series and systems using Thermo King control modules |
Efficiency & Sustainability
Accurate suction pressure sensing contributes to efficient refrigerant cycle control and reduced fuel consumption across Diesel Direct Electric and Smart Reefer SR-4 driven systems. Proper pressure feedback supports optimized compressor staging and helps fleets meet operating goals and emissions-minded programs such as CARB Evergreen compliance when paired with compliant refrigeration packages.
Installation & Maintenance Tips
Install with OEM-quality thread sealant rated for refrigeration service and secure the electrical connector to prevent moisture intrusion. Inspect wiring and connector pins during scheduled service intervals and verify signal integrity with the refrigeration control module. Professional installation by certified technicians at West Texas Thermo King ensures correct integration and reduces diagnostic time.
Real-World Applications
Used on reefer trailers, refrigerated trucks, and transport refrigeration units, the Thermo King Transducer Press 421311 provides the pressure feedback necessary for precise temperature control and compressor protection in long-haul and regional distribution operations.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked 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, contact us for warranty information: https://www.trailerservicesofwesttexas.com/contact
Frequently Asked Questions
Q: Is the Thermo King Transducer Press 421311 compatible with Precedent units?
A: Yes. The transducer is appropriate for suction pressure sensing in Precedent-series units and other Thermo King transport refrigeration systems listed in the product details.
Q: What is the pressure range for this transducer?
A: The Thermo King Transducer Press 421311 senses suction-side pressure up to 200 PSIG, supporting accurate control and diagnostics.
Q: Can this part integrate with Smart Reefer SR-4 controls?
A: The transducer uses a four-wire electrical interface designed to integrate with Thermo King control modules, including modern Smart Reefer systems when installed per OEM wiring standards.
Q: Who performs installation and calibration?
A: Certified technicians at West Texas Thermo King perform installation, signal verification, and any required calibration to ensure system reliability and uptime.
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.
