Water Pump Belt 78-1340 for Thermo King SB-230 & SB-230 RR 30 & 50 781340 781968

Water Pump Belt 78-1340 for Thermo King

This water pump belt 78-1340 for Thermo King SB-230 and SB-230 RR 30 and 50 units is a direct replacement drive belt that ensures the water pump operates reliably, citing OEM cross-reference 781340 and 781968.

Overview

This water pump belt 78-1340 is a durable drive belt designed to transfer power from the engine to the water pump in Thermo King refrigeration units. It is a direct replacement for the original belt, keeping the cooling system functioning efficiently. This water pump belt for Thermo King units ensures a secure fit and long service life in demanding applications.

Built For Performance

• Precision-molded construction for consistent thickness and strength
• Reinforced tension member to resist stretching and slippage
• Oil and heat resistant rubber compound for extended durability
• Exact 78-1340 dimensions to match OEM specifications
• Compatible with both 781340 and 781968 OEM part numbers

Fits These Machines

• for Thermo King SB-230
• for Thermo King SB-230 RR 30
• for Thermo King SB-230 RR 50

On-The-Job Use

• Replaces a worn or broken water pump belt during routine maintenance
• Keeps coolant flowing in transport refrigeration systems
• Suitable for belts or pulleys that show visible wear or cracking
• Ensures the water pump maintains proper engine cooling during long hauls

Specs At A Glance

Good To Know

Q: How often should this water pump belt be inspected? A: Check the belt for cracks, glazing, or looseness during every maintenance interval, typically every 500 operating hours.

Q: Can this belt be used on other Thermo King models? A: It is made for SB-230 and SB-230 RR 30/50 units; verify your serial number and pulley setup before ordering to confirm fitment.

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