Thermo King Front Engine Oil Seal Yanmar-Based Engines 331509
Official OEM Thermo King parts catalog entry for the Thermo King Seal Oil 331509, 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 Seal Oil 331509 delivers OEM-grade sealing for Thermo King refrigeration system engines, preventing oil leakage and protecting engine integrity in transport refrigeration applications. This front engine oil seal supports reliable operation across demanding reefers and refrigerated truck fleets.
Product Overview
Thermo King Seal Oil 331509 is an engine oil seal designed for Thermo King transport refrigeration units that use Yanmar-based engines, including applications such as the TK325. The seal ensures a secure, oil-tight barrier around rotating shafts to preserve lubrication, prevent contamination, and reduce unscheduled downtime for temperature-controlled fleets.
Key Features & Customer Benefits
- OEM Fit – Ensures precise installation and leak-free operation for Thermo King engine assemblies.
- Front Engine Application – Protects crankshaft and front-end components from oil loss and contamination.
- Durable Construction – Engineered to withstand engine operating temperatures and common refrigeration service conditions.
- Reduced Downtime – Maintains lubrication integrity to avoid premature wear and unscheduled repairs.
- Fleet Reliability – Supports consistent temperature control and fleet uptime for reefers and refrigerated trucks.
- Certified Support – Backed by Thermo King engineering and installation guidance from a certified dealership.
Product Details
| Part Number | 331509 |
| Product Name | Thermo King Seal Oil 331509 |
| Application | Front engine oil seal for Thermo King refrigeration unit engines |
| Compatibility | Thermo King units with Yanmar-based engines (notably TK325 and similar platforms) |
| Function | Prevents oil leakage and protects engine lubrication and contamination control |
Efficiency & Sustainability
Proper sealing contributes to fuel-efficient cooling and consistent temperature control by preserving engine lubrication and preventing leaks that lead to higher maintenance burden. The Thermo King Seal Oil 331509 supports reliable operation of Smart Reefer SR-4 and Diesel Direct Electric platforms by maintaining engine integrity, which helps fleets in the Permian Basin and West Texas reduce service-related emissions and improve lifecycle efficiency.
Installation & Maintenance Tips
Install with OEM-recommended tools and follow Thermo King service procedures for front engine seals. Inspect the seal and mating surfaces during scheduled maintenance intervals, clean shaft surfaces before installation, and use OEM clamps or retainers as specified. Replace the seal if any signs of wear or leakage appear to preserve system reliability.
Real-World Applications
The Thermo King Seal Oil 331509 is ideal for reefer trailers, refrigerated straight trucks, and transport refrigeration units operating across Amarillo, Lubbock, Odessa, and throughout West Texas. Fleet technicians deploy this seal during engine service, overhaul, and preventive maintenance to maintain consistent temperature control and maximize uptime.
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.
For current warranty eligibility or OEM replacement coverage, contact us for warranty information at https://www.trailerservicesofwesttexas.com/contact or speak with the service department for confirmation.
Frequently Asked Questions
Q: Is Thermo King Seal Oil 331509 compatible with TK325 engines?
A: Yes. The seal is specified for front engine applications on Thermo King units that use Yanmar-based engines, including TK325 platforms.
Q: How does this seal affect fleet uptime?
A: The seal prevents oil leaks and contamination, preserving lubrication and reducing unscheduled repairs to support dependable temperature control across transport refrigeration operations.
Q: What should a technician check during installation?
A: Inspect shaft surfaces for wear, clean mating areas, and use OEM installation procedures and hardware to ensure a secure, leak-free fit.
Q: Can this part be ordered for fleet-wide replacements?
A: Yes. West Texas Thermo King supports fleet parts programs and can assist with ordering and logistics for regional operations.
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 Seal Oil 331509, 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 Seal Oil 331509 delivers OEM-grade sealing for Thermo King refrigeration system engines, preventing oil leakage and protecting engine integrity in transport refrigeration applications. This front engine oil seal supports reliable operation across demanding reefers and refrigerated truck fleets.
Product Overview
Thermo King Seal Oil 331509 is an engine oil seal designed for Thermo King transport refrigeration units that use Yanmar-based engines, including applications such as the TK325. The seal ensures a secure, oil-tight barrier around rotating shafts to preserve lubrication, prevent contamination, and reduce unscheduled downtime for temperature-controlled fleets.
Key Features & Customer Benefits
- OEM Fit – Ensures precise installation and leak-free operation for Thermo King engine assemblies.
- Front Engine Application – Protects crankshaft and front-end components from oil loss and contamination.
- Durable Construction – Engineered to withstand engine operating temperatures and common refrigeration service conditions.
- Reduced Downtime – Maintains lubrication integrity to avoid premature wear and unscheduled repairs.
- Fleet Reliability – Supports consistent temperature control and fleet uptime for reefers and refrigerated trucks.
- Certified Support – Backed by Thermo King engineering and installation guidance from a certified dealership.
Product Details
| Part Number | 331509 |
| Product Name | Thermo King Seal Oil 331509 |
| Application | Front engine oil seal for Thermo King refrigeration unit engines |
| Compatibility | Thermo King units with Yanmar-based engines (notably TK325 and similar platforms) |
| Function | Prevents oil leakage and protects engine lubrication and contamination control |
Efficiency & Sustainability
Proper sealing contributes to fuel-efficient cooling and consistent temperature control by preserving engine lubrication and preventing leaks that lead to higher maintenance burden. The Thermo King Seal Oil 331509 supports reliable operation of Smart Reefer SR-4 and Diesel Direct Electric platforms by maintaining engine integrity, which helps fleets in the Permian Basin and West Texas reduce service-related emissions and improve lifecycle efficiency.
Installation & Maintenance Tips
Install with OEM-recommended tools and follow Thermo King service procedures for front engine seals. Inspect the seal and mating surfaces during scheduled maintenance intervals, clean shaft surfaces before installation, and use OEM clamps or retainers as specified. Replace the seal if any signs of wear or leakage appear to preserve system reliability.
Real-World Applications
The Thermo King Seal Oil 331509 is ideal for reefer trailers, refrigerated straight trucks, and transport refrigeration units operating across Amarillo, Lubbock, Odessa, and throughout West Texas. Fleet technicians deploy this seal during engine service, overhaul, and preventive maintenance to maintain consistent temperature control and maximize uptime.
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.
For current warranty eligibility or OEM replacement coverage, contact us for warranty information at https://www.trailerservicesofwesttexas.com/contact or speak with the service department for confirmation.
Frequently Asked Questions
Q: Is Thermo King Seal Oil 331509 compatible with TK325 engines?
A: Yes. The seal is specified for front engine applications on Thermo King units that use Yanmar-based engines, including TK325 platforms.
Q: How does this seal affect fleet uptime?
A: The seal prevents oil leaks and contamination, preserving lubrication and reducing unscheduled repairs to support dependable temperature control across transport refrigeration operations.
Q: What should a technician check during installation?
A: Inspect shaft surfaces for wear, clean mating areas, and use OEM installation procedures and hardware to ensure a secure, leak-free fit.
Q: Can this part be ordered for fleet-wide replacements?
A: Yes. West Texas Thermo King supports fleet parts programs and can assist with ordering and logistics for regional operations.
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.