Thermo King Suction Valve O-Ring 4-Bolt Assembly 335851
Official OEM Thermo King parts catalog entry for the Thermo King O-Ring 335851, 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 335851 seals critical suction connections to maintain refrigeration integrity across Thermo King refrigeration systems. Engineered for reliable sealing in transport refrigeration applications, this OEM-grade O-ring supports consistent temperature control and reduces the risk of refrigerant loss for reefer trailers and refrigerated trucks.
Key Features & Customer Benefits
- OEM-Grade Elastomer – Provides durable sealing that resists temperature cycling and refrigerant exposure for long service intervals.
 - Precision Fit for Suction Valve (4-Bolt) – Ensures leak-free connections on Thermo King suction valve assemblies to protect system pressure and cooling integrity.
 - Simple Replacement – Allows fast, reliable service during scheduled maintenance to maximize fleet uptime and minimize downtime costs.
 - Fleet Reliability – Supports consistent temperature control across loads, helping preserve perishable freight and protect revenue.
 - Certified OEM Part – Supplies parts confidence for operators who require Thermo King-approved components and dealership-backed support.
 
Product Details
| Part Number | 335851 | 
| Product Name | Thermo King O-Ring 335851 | 
| Material | OEM-grade elastomeric sealing compound | 
| Compatibility | Suction valve 4-bolt assemblies on Thermo King transport refrigeration equipment | 
Efficiency & Sustainability
This O-ring supports efficient, fuel-efficient cooling by maintaining system tightness and reducing refrigerant leakage. Proper sealing contributes to temperature-control accuracy on Thermo King refrigeration units, which supports regulatory compliance and operational sustainability for fleets operating Smart Reefer SR-4 and Diesel Direct Electric platforms.
Installation & Maintenance Tips
Install the O-ring without twisting or pinching and inspect the mating surfaces for debris or damage prior to fitment. Use OEM clamps and hardware where specified and include the O-ring in routine preventive maintenance intervals to sustain optimal system sealing and uptime.
Real-World Applications
The Thermo King O-Ring 335851 is used on reefer trailers and transport refrigeration units where suction line sealing is critical—especially in long-haul and high-utilization fleets. It supports temperature control for perishable cargo, pharmacy logistics, and food distribution across regional and interstate routes. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
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.
Contact us for warranty information or visit the service department to confirm OEM replacement coverage: contact.
Frequently Asked Questions
Q: Is this O-ring compatible with Thermo King suction valve assemblies?
A: Yes. The Thermo King O-Ring 335851 is designed to seal suction valve 4-bolt assemblies used on Thermo King transport refrigeration equipment.
Q: How does proper sealing affect fleet operation?
A: Proper sealing maintains system pressure and temperature accuracy, reducing runtime, improving fuel-efficient cooling, and protecting cargo integrity.
Q: Can technicians fit this O-ring during scheduled maintenance?
A: Yes. The part installs quickly during routine service intervals when mating surfaces are clean and hardware is in good condition.
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 335851, 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 335851 seals critical suction connections to maintain refrigeration integrity across Thermo King refrigeration systems. Engineered for reliable sealing in transport refrigeration applications, this OEM-grade O-ring supports consistent temperature control and reduces the risk of refrigerant loss for reefer trailers and refrigerated trucks.
Key Features & Customer Benefits
- OEM-Grade Elastomer – Provides durable sealing that resists temperature cycling and refrigerant exposure for long service intervals.
 - Precision Fit for Suction Valve (4-Bolt) – Ensures leak-free connections on Thermo King suction valve assemblies to protect system pressure and cooling integrity.
 - Simple Replacement – Allows fast, reliable service during scheduled maintenance to maximize fleet uptime and minimize downtime costs.
 - Fleet Reliability – Supports consistent temperature control across loads, helping preserve perishable freight and protect revenue.
 - Certified OEM Part – Supplies parts confidence for operators who require Thermo King-approved components and dealership-backed support.
 
Product Details
| Part Number | 335851 | 
| Product Name | Thermo King O-Ring 335851 | 
| Material | OEM-grade elastomeric sealing compound | 
| Compatibility | Suction valve 4-bolt assemblies on Thermo King transport refrigeration equipment | 
Efficiency & Sustainability
This O-ring supports efficient, fuel-efficient cooling by maintaining system tightness and reducing refrigerant leakage. Proper sealing contributes to temperature-control accuracy on Thermo King refrigeration units, which supports regulatory compliance and operational sustainability for fleets operating Smart Reefer SR-4 and Diesel Direct Electric platforms.
Installation & Maintenance Tips
Install the O-ring without twisting or pinching and inspect the mating surfaces for debris or damage prior to fitment. Use OEM clamps and hardware where specified and include the O-ring in routine preventive maintenance intervals to sustain optimal system sealing and uptime.
Real-World Applications
The Thermo King O-Ring 335851 is used on reefer trailers and transport refrigeration units where suction line sealing is critical—especially in long-haul and high-utilization fleets. It supports temperature control for perishable cargo, pharmacy logistics, and food distribution across regional and interstate routes. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
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.
Contact us for warranty information or visit the service department to confirm OEM replacement coverage: contact.
Frequently Asked Questions
Q: Is this O-ring compatible with Thermo King suction valve assemblies?
A: Yes. The Thermo King O-Ring 335851 is designed to seal suction valve 4-bolt assemblies used on Thermo King transport refrigeration equipment.
Q: How does proper sealing affect fleet operation?
A: Proper sealing maintains system pressure and temperature accuracy, reducing runtime, improving fuel-efficient cooling, and protecting cargo integrity.
Q: Can technicians fit this O-ring during scheduled maintenance?
A: Yes. The part installs quickly during routine service intervals when mating surfaces are clean and hardware is in good condition.
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.