Thermo King OEM Raw Cogged V-Belt Coolant Pump Alternator 781223

$21.95

Official OEM Thermo King parts catalog entry for the Thermo King Belt 781223, 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 781223 delivers OEM-grade reliability for Thermo King refrigeration systems, ensuring consistent drive of the coolant pump and alternator on transport refrigeration equipment. Engineered to support uptime and efficient temperature control for reefer trailers and refrigerated trucks across demanding West Texas routes.

Key Features & Customer Benefits

  • Raw Cogged V-Belt Design – Provides increased flexibility and improved heat dissipation for cooler operation under heavy-duty service.
  • OEM Fit – Designed to match Thermo King specifications for secure tensioning and reliable alignment with coolant pump and alternator pulleys.
  • Durable Construction – Top fabric and reinforced cushion loading minimize wear at contact points and extend service life in transport refrigeration environments.
  • High-Strength Tensile Cords – Tensile cords of high-strength materials deliver consistent belt length control and reduced stretch for precise accessory drive.
  • Cold- and Heat-Resistant Materials – Maintains performance across temperature extremes common to refrigerated fleet operations, promoting dependable temperature control.
  • Fleet Uptime Focus – Supports continuous alternator and coolant pump operation to protect compressor performance and reduce unscheduled downtime.

Product Details

Part Number781223
Product NameThermo King Belt 781223
TypeRaw cogged V-belt
DimensionsApproximately 1/2" width and about 39" length
ApplicationCoolant pump and alternator drive on Thermo King refrigeration units
ManufactureOEM Thermo King specification quality

Efficiency & Sustainability

This OEM Thermo King belt supports fuel-efficient cooling and precise temperature control in transport refrigeration systems. By maintaining reliable drive for the alternator and coolant pump, the 781223 belt helps refrigeration units operate at designed efficiency, supporting lower fuel consumption and reduced emissions during long-haul service across regions such as the Permian Basin and West Texas. Compatibility with modern refrigeration control platforms contributes to sustained operational efficiency for fleet managers.

Installation & Maintenance Tips

Install using OEM-specified tensioning tools and clamps to ensure correct alignment. Inspect the belt during scheduled maintenance intervals for signs of wear, fraying, or incorrect tension. Replace the belt if any margin of damage is present to protect alternator and coolant pump components and preserve system reliability.

Real-World Applications

The Thermo King Belt 781223 serves refrigerated trailers, transport refrigeration units, and refrigerated truck applications where reliable drive of the coolant pump and alternator is essential. It is suited to daily route service, long-haul runs, and harsh regional climates experienced in Amarillo, Lubbock, Odessa, and across West Texas.

Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.

View all Thermo King Parts

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 contact the service department for confirmation.

Frequently Asked Questions

Q: Is this belt compatible with Thermo King Precedent and similar reefer units?
A: Yes. The Thermo King Belt 781223 is engineered for coolant pump and alternator drive on Thermo King refrigeration units. For model-specific fitment, reference the Thermo King parts catalog or contact the service department for confirmation.

Q: How often should this belt be inspected?
A: Inspect during scheduled maintenance intervals and before long-haul departures. Check for correct tension, alignment, and any visible wear to ensure uninterrupted alternator and coolant pump operation.

Q: Can this belt improve fleet efficiency?
A: Yes. Maintaining OEM drive components like the 781223 belt helps ensure consistent temperature control and fuel-efficient cooling, reducing the risk of compressor strain and unscheduled downtime.

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 781223, 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 781223 delivers OEM-grade reliability for Thermo King refrigeration systems, ensuring consistent drive of the coolant pump and alternator on transport refrigeration equipment. Engineered to support uptime and efficient temperature control for reefer trailers and refrigerated trucks across demanding West Texas routes.

Key Features & Customer Benefits

  • Raw Cogged V-Belt Design – Provides increased flexibility and improved heat dissipation for cooler operation under heavy-duty service.
  • OEM Fit – Designed to match Thermo King specifications for secure tensioning and reliable alignment with coolant pump and alternator pulleys.
  • Durable Construction – Top fabric and reinforced cushion loading minimize wear at contact points and extend service life in transport refrigeration environments.
  • High-Strength Tensile Cords – Tensile cords of high-strength materials deliver consistent belt length control and reduced stretch for precise accessory drive.
  • Cold- and Heat-Resistant Materials – Maintains performance across temperature extremes common to refrigerated fleet operations, promoting dependable temperature control.
  • Fleet Uptime Focus – Supports continuous alternator and coolant pump operation to protect compressor performance and reduce unscheduled downtime.

Product Details

Part Number781223
Product NameThermo King Belt 781223
TypeRaw cogged V-belt
DimensionsApproximately 1/2" width and about 39" length
ApplicationCoolant pump and alternator drive on Thermo King refrigeration units
ManufactureOEM Thermo King specification quality

Efficiency & Sustainability

This OEM Thermo King belt supports fuel-efficient cooling and precise temperature control in transport refrigeration systems. By maintaining reliable drive for the alternator and coolant pump, the 781223 belt helps refrigeration units operate at designed efficiency, supporting lower fuel consumption and reduced emissions during long-haul service across regions such as the Permian Basin and West Texas. Compatibility with modern refrigeration control platforms contributes to sustained operational efficiency for fleet managers.

Installation & Maintenance Tips

Install using OEM-specified tensioning tools and clamps to ensure correct alignment. Inspect the belt during scheduled maintenance intervals for signs of wear, fraying, or incorrect tension. Replace the belt if any margin of damage is present to protect alternator and coolant pump components and preserve system reliability.

Real-World Applications

The Thermo King Belt 781223 serves refrigerated trailers, transport refrigeration units, and refrigerated truck applications where reliable drive of the coolant pump and alternator is essential. It is suited to daily route service, long-haul runs, and harsh regional climates experienced in Amarillo, Lubbock, Odessa, and across West Texas.

Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.

View all Thermo King Parts

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 contact the service department for confirmation.

Frequently Asked Questions

Q: Is this belt compatible with Thermo King Precedent and similar reefer units?
A: Yes. The Thermo King Belt 781223 is engineered for coolant pump and alternator drive on Thermo King refrigeration units. For model-specific fitment, reference the Thermo King parts catalog or contact the service department for confirmation.

Q: How often should this belt be inspected?
A: Inspect during scheduled maintenance intervals and before long-haul departures. Check for correct tension, alignment, and any visible wear to ensure uninterrupted alternator and coolant pump operation.

Q: Can this belt improve fleet efficiency?
A: Yes. Maintaining OEM drive components like the 781223 belt helps ensure consistent temperature control and fuel-efficient cooling, reducing the risk of compressor strain and unscheduled downtime.

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.