Water Pump Belt 78-1340 for Thermo King SB-III 50 WHISPER Multi-Temp SR 781340

Water Pump Belt 78-1340 for Thermo King SB-III 50 WHISPER Multi-Temp SR 781340

$30.79
Sale price  $30.79 Regular price 
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Water Pump Belt 78-1340 for Thermo King SB-III 50 WHISPER Multi-Temp SR 781340

Water Pump Belt 78-1340 for Thermo King SB-III 50 WHISPER Multi-Temp SR 781340

SKU: ZZ3F00554
$30.79 In Stock
$30.79
Sale price  $30.79 Regular price 
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Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model

Water Pump Belt 78-1340 for Thermo King

This water pump belt 78-1340 is a direct replacement drive belt engineered for Thermo King refrigeration units, providing reliable power transmission to the water pump. Built to match the original 78-1340 and 781340 specifications, this belt ensures consistent performance for Thermo King SB-III 50 WHISPER and Multi-Temp systems. It is a robust belt that maintains tension and grip to keep the cooling system running smoothly.

Overview

This water pump belt 78-1340 is a critical component for the engine cooling system in Thermo King units, transferring rotational power from the crankshaft to the water pump. Designed for Thermo King SB-III 50 WHISPER and Multi-Temp applications, this belt delivers dependable operation under continuous load. The 78-1340 dimensions match original equipment requirements, ensuring a proper fit and long service life.

Built For Performance

  • Precision-molded construction offers excellent flexibility and resistance to wear.
  • Fiber-reinforced backing enhances tensile strength to withstand high torque loads.
  • Oil and heat resistant rubber compound prolongs belt life in engine compartments.
  • Exact 78-1340 length and profile ensure correct seating on pulleys.
  • Smooth running characteristics reduce vibration and noise during operation.

Fits These Machines

  • for Thermo King SB-III 50
  • for Thermo King WHISPER
  • for Thermo King Multi-Temp

On-The-Job Use

  • Maintains water pump circulation in over-the-road trailer refrigeration units.
  • Operates reliably during long-haul transport in varying ambient temperatures.
  • Supports continuous cooling for perishable cargo in Multi-Temp configurations.
  • Used in routine engine service intervals for Thermo King units.

Specs At A Glance

Part Number(s) 78-1340 / 781340
Belt Type Water Pump Belt
Industry Reference 78-1340

Good To Know

Q: Will this belt fit all Thermo King SB-III models? A: It fits SB-III 50 and WHISPER models, but verify your unit's serial number and pulley configuration to confirm compatibility.

Q: How often should this belt be inspected? A: Inspect at every engine service or every 500 hours of operation, replacing if cracks or glazing appear.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.

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