Thermo King Water Pump Belt (TriPac or Truck) 781492
Official OEM Thermo King parts catalog entry for the Thermo King Belt, Water Pump (TriPac or Truck) 781492, 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 Belt, Water Pump (TriPac or Truck) 781492 delivers OEM-grade reliability for Thermo King refrigeration system applications. Engineered for temperature-controlled fleets, this industrial cogged belt ensures consistent coolant circulation and dependable thermal regulation in transport refrigeration and TriPac auxiliary power units.
Key Features & Customer Benefits
- OEM Fitment – Designed for direct compatibility with Thermo King TriPac Tier 2 (post‑10/2008), TS Series, XDS, T-600/800/1000, KD-II SR, MD-Series and Yanmar-powered units to minimize downtime.
- Chloroprene Compound – Heat and stretch-resistant material supports long service life across West Texas temperature extremes for reliable fleet operation.
- Cogged, Single-Band Design – Enhanced grip and flexibility reduce slippage and maintain precision drive for water pump systems in reefers and truck engines.
- Wide Operating Range – Engineered to perform in extreme service environments common to Amarillo, Lubbock, Odessa, and the Permian Basin, supporting continuous temperature control.
- Fleet Uptime Focus – Simple replacement and proven durability reduce service intervals and improve return on investment for refrigerated fleets.
Product Details
| Part Number | 781492 |
| Product Name | Thermo King Belt, Water Pump (TriPac or Truck) |
| Material | Chloroprene (heat and stretch-resistant) |
| Design | Single-band, cogged industrial belt |
| Typical Applications | Water pump drive for Thermo King TriPac/APU and truck engine cooling systems |
| Compatible Engines/Units | Yanmar TK249, TK370, TK374E; Thermo King TriPac Tier 2 (after 10/2008), TS Series, XDS, T-Series, KD-II SR, MD-Series |
Efficiency & Sustainability
This water pump belt supports efficient coolant circulation that helps maintain temperature control with reduced mechanical loss, contributing to fuel-efficient cooling strategies used across Thermo King Smart Reefer SR-4 and Diesel Direct Electric deployments. Durable construction lowers replacement frequency and waste, aligning with CARB Evergreen and fleet sustainability goals.
Installation & Maintenance Tips
Install according to Thermo King torque and tension specifications using OEM idlers and tensioners where specified. Inspect during scheduled maintenance intervals for cracking, fraying, or glazing and replace if wear appears. Proper tensioning ensures optimal drive efficiency and prevents premature wear; service technicians at West Texas Thermo King provide verification and fitment guidance.
Real-World Applications
The Thermo King Belt, Water Pump 781492 is used on reefer trailers, refrigerated trucks, and TriPac auxiliary power units to drive water pumps for engine and refrigeration cooling circuits. It supports consistent temperature control for produce, pharmaceuticals, and frozen goods in interstate and regional transport.
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, please contact us for warranty information or reach the service department for confirmation.
Frequently Asked Questions
Q: Is this belt compatible with TriPac Tier 2 units?
A: Yes, this belt fits TriPac Tier 2 applications produced after October 2008 and is specified for many TriPac auxiliary power unit water pump drives.
Q: Can this belt be used on Yanmar-powered Thermo King units?
A: Yes, this belt is compatible with Yanmar engine models TK249, TK370, and TK374E in applicable Thermo King MD and related units.
Q: What maintenance ensures longest service life?
A: Regular inspection during scheduled service, correct tensioning per OEM guidance, and use of OEM pulleys and tensioners preserve belt life and system efficiency.
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 Belt, Water Pump (TriPac or Truck) 781492, 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 Belt, Water Pump (TriPac or Truck) 781492 delivers OEM-grade reliability for Thermo King refrigeration system applications. Engineered for temperature-controlled fleets, this industrial cogged belt ensures consistent coolant circulation and dependable thermal regulation in transport refrigeration and TriPac auxiliary power units.
Key Features & Customer Benefits
- OEM Fitment – Designed for direct compatibility with Thermo King TriPac Tier 2 (post‑10/2008), TS Series, XDS, T-600/800/1000, KD-II SR, MD-Series and Yanmar-powered units to minimize downtime.
- Chloroprene Compound – Heat and stretch-resistant material supports long service life across West Texas temperature extremes for reliable fleet operation.
- Cogged, Single-Band Design – Enhanced grip and flexibility reduce slippage and maintain precision drive for water pump systems in reefers and truck engines.
- Wide Operating Range – Engineered to perform in extreme service environments common to Amarillo, Lubbock, Odessa, and the Permian Basin, supporting continuous temperature control.
- Fleet Uptime Focus – Simple replacement and proven durability reduce service intervals and improve return on investment for refrigerated fleets.
Product Details
| Part Number | 781492 |
| Product Name | Thermo King Belt, Water Pump (TriPac or Truck) |
| Material | Chloroprene (heat and stretch-resistant) |
| Design | Single-band, cogged industrial belt |
| Typical Applications | Water pump drive for Thermo King TriPac/APU and truck engine cooling systems |
| Compatible Engines/Units | Yanmar TK249, TK370, TK374E; Thermo King TriPac Tier 2 (after 10/2008), TS Series, XDS, T-Series, KD-II SR, MD-Series |
Efficiency & Sustainability
This water pump belt supports efficient coolant circulation that helps maintain temperature control with reduced mechanical loss, contributing to fuel-efficient cooling strategies used across Thermo King Smart Reefer SR-4 and Diesel Direct Electric deployments. Durable construction lowers replacement frequency and waste, aligning with CARB Evergreen and fleet sustainability goals.
Installation & Maintenance Tips
Install according to Thermo King torque and tension specifications using OEM idlers and tensioners where specified. Inspect during scheduled maintenance intervals for cracking, fraying, or glazing and replace if wear appears. Proper tensioning ensures optimal drive efficiency and prevents premature wear; service technicians at West Texas Thermo King provide verification and fitment guidance.
Real-World Applications
The Thermo King Belt, Water Pump 781492 is used on reefer trailers, refrigerated trucks, and TriPac auxiliary power units to drive water pumps for engine and refrigeration cooling circuits. It supports consistent temperature control for produce, pharmaceuticals, and frozen goods in interstate and regional transport.
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, please contact us for warranty information or reach the service department for confirmation.
Frequently Asked Questions
Q: Is this belt compatible with TriPac Tier 2 units?
A: Yes, this belt fits TriPac Tier 2 applications produced after October 2008 and is specified for many TriPac auxiliary power unit water pump drives.
Q: Can this belt be used on Yanmar-powered Thermo King units?
A: Yes, this belt is compatible with Yanmar engine models TK249, TK370, and TK374E in applicable Thermo King MD and related units.
Q: What maintenance ensures longest service life?
A: Regular inspection during scheduled service, correct tensioning per OEM guidance, and use of OEM pulleys and tensioners preserve belt life and system efficiency.
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.