Thermo King Threaded Sealing Plug Straight 7/16-2 557756
Official OEM Thermo King parts catalog entry for the Plug-Straight 7/16-2, 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 Plug-Straight 7/16-2 (Part Number 557756) delivers OEM-grade sealing and reliability for Thermo King refrigeration systems, protecting ports and fluid passages to support consistent temperature control and uninterrupted fleet operations.
Key Features & Customer Benefits
- OEM-Compatible Design – Ensures precise fitment in Thermo King service points to maintain pressure integrity and reduce leak risk.
- Durable Construction – Engineered for corrosion resistance and repeated service intervals to extend component life and lower replacement frequency.
- Serviceability – Simple installation and removal support faster maintenance turnaround, improving vehicle uptime for reefer trailers and transport refrigeration fleets.
- Fleet Reliability – Supports consistent temperature control on refrigerated loads, helping preserve cargo integrity across long hauls in West Texas conditions.
- OEM Traceability – Identified by Thermo King part number 557756 for fast parts ordering and verification through certified channels.
Product Details
The Thermo King Plug-Straight 7/16-2 (557756) is a threaded sealing plug purpose-built for Thermo King temperature-control equipment. This component closes service and system ports to prevent contamination and fluid loss within refrigeration and engine systems. Detailed dimensions, thread pitch, and torque requirements follow Thermo King OEM specifications; consult the official parts catalog or contact West Texas Thermo King for precise fitment and application guidance for specific unit series.
Efficiency & Sustainability
This Thermo King OEM component contributes to efficient system operation by maintaining proper sealing and system integrity, which supports fuel-efficient cooling and reliable temperature control for refrigerated loads. When maintained within OEM service programs and paired with technologies such as Smart Reefer SR-4 or CARB Evergreen-compliant maintenance practices, this plug helps fleets optimize refrigeration efficiency and reduce unnecessary emissions associated with leakage and unscheduled downtime.
Installation & Maintenance Tips
Install the plug following Thermo King torque and sealing recommendations; use OEM-approved sealants or gaskets where specified. Inspect during scheduled service intervals and replace if threads or sealing faces show wear. Use certified technicians at West Texas Thermo King to ensure proper installation and to maintain warranty eligibility.
Real-World Applications
The Plug-Straight 7/16-2 is used across Thermo King transport refrigeration applications—installing into service ports, manifolds, and fluid fittings on reefer trailers, truck-mounted units, and diesel-direct-electric systems. It helps fleets maintain reliable temperature control for perishable cargo across long routes in Amarillo, Lubbock, Odessa, and throughout the Permian Basin and West Texas.
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 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 https://www.trailerservicesofwesttexas.com/contact or speak directly with the service department.
Frequently Asked Questions
Q: Is this plug compatible with Thermo King Precedent, S-610M, or S-610DE units?
A: The Plug-Straight 7/16-2 serves as an OEM Thermo King sealing component; compatibility depends on the specific service port and model. Contact West Texas Thermo King with unit serial details for confirmation.
Q: How do I ensure a leak-free installation?
A: Install using Thermo King-recommended sealing practices and torque values. Use OEM-approved sealants or gaskets only when specified and inspect threads and sealing faces before assembly.
Q: Where can fleets in the Permian Basin get installation and ongoing service?
A: West Texas Thermo King provides certified installation and maintenance across Amarillo, Lubbock, Odessa, and throughout West Texas. Call (806) 376-5837 to schedule service.
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 Plug-Straight 7/16-2, 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 Plug-Straight 7/16-2 (Part Number 557756) delivers OEM-grade sealing and reliability for Thermo King refrigeration systems, protecting ports and fluid passages to support consistent temperature control and uninterrupted fleet operations.
Key Features & Customer Benefits
- OEM-Compatible Design – Ensures precise fitment in Thermo King service points to maintain pressure integrity and reduce leak risk.
- Durable Construction – Engineered for corrosion resistance and repeated service intervals to extend component life and lower replacement frequency.
- Serviceability – Simple installation and removal support faster maintenance turnaround, improving vehicle uptime for reefer trailers and transport refrigeration fleets.
- Fleet Reliability – Supports consistent temperature control on refrigerated loads, helping preserve cargo integrity across long hauls in West Texas conditions.
- OEM Traceability – Identified by Thermo King part number 557756 for fast parts ordering and verification through certified channels.
Product Details
The Thermo King Plug-Straight 7/16-2 (557756) is a threaded sealing plug purpose-built for Thermo King temperature-control equipment. This component closes service and system ports to prevent contamination and fluid loss within refrigeration and engine systems. Detailed dimensions, thread pitch, and torque requirements follow Thermo King OEM specifications; consult the official parts catalog or contact West Texas Thermo King for precise fitment and application guidance for specific unit series.
Efficiency & Sustainability
This Thermo King OEM component contributes to efficient system operation by maintaining proper sealing and system integrity, which supports fuel-efficient cooling and reliable temperature control for refrigerated loads. When maintained within OEM service programs and paired with technologies such as Smart Reefer SR-4 or CARB Evergreen-compliant maintenance practices, this plug helps fleets optimize refrigeration efficiency and reduce unnecessary emissions associated with leakage and unscheduled downtime.
Installation & Maintenance Tips
Install the plug following Thermo King torque and sealing recommendations; use OEM-approved sealants or gaskets where specified. Inspect during scheduled service intervals and replace if threads or sealing faces show wear. Use certified technicians at West Texas Thermo King to ensure proper installation and to maintain warranty eligibility.
Real-World Applications
The Plug-Straight 7/16-2 is used across Thermo King transport refrigeration applications—installing into service ports, manifolds, and fluid fittings on reefer trailers, truck-mounted units, and diesel-direct-electric systems. It helps fleets maintain reliable temperature control for perishable cargo across long routes in Amarillo, Lubbock, Odessa, and throughout the Permian Basin and West Texas.
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 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 https://www.trailerservicesofwesttexas.com/contact or speak directly with the service department.
Frequently Asked Questions
Q: Is this plug compatible with Thermo King Precedent, S-610M, or S-610DE units?
A: The Plug-Straight 7/16-2 serves as an OEM Thermo King sealing component; compatibility depends on the specific service port and model. Contact West Texas Thermo King with unit serial details for confirmation.
Q: How do I ensure a leak-free installation?
A: Install using Thermo King-recommended sealing practices and torque values. Use OEM-approved sealants or gaskets only when specified and inspect threads and sealing faces before assembly.
Q: Where can fleets in the Permian Basin get installation and ongoing service?
A: West Texas Thermo King provides certified installation and maintenance across Amarillo, Lubbock, Odessa, and throughout West Texas. Call (806) 376-5837 to schedule service.
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.
