Water Pump Belt 78-1340 for Thermo King SB-200 30 & 50, SB-210 30 & 50 78-1337

Water Pump Belt for Thermo King SB-200 30 & 50, SB-210 30 & 50

This water pump belt, part number 78-1340, is a direct replacement belt for Thermo King SB-200 30 & 50 and SB-210 30 & 50 refrigeration units, ensuring reliable coolant circulation for the engine. This water pump belt also cross-references OEM part number 78-1337, providing a dependable fit for your Thermo King system. The water pump belt 78-1340 maintains proper tension and drive to keep the water pump operating efficiently.

Overview

This water pump belt 78-1340 is engineered to drive the water pump on Thermo King SB-200 and SB-210 units, keeping the engine cool under heavy load. It is a direct replacement for part numbers 78-1340 and 78-1337, designed for the specific pulley system on these units. This belt is essential for maintaining proper coolant flow and preventing overheating during operation.

Built For Performance

• Precision-molded profile matches OEM specifications for reliable power transmission.
• Reinforced tensile cords provide high strength and resistance to stretching.
• Oil and heat-resistant rubber compound extends service life in demanding conditions.
• Designed to handle the high rotational speed of the water pump pulley.
• Direct replacement for 78-1340 and 78-1337 part numbers.

Fits These Machines

• for Thermo King SB-200 30
• for Thermo King SB-200 50
• for Thermo King SB-210 30
• for Thermo King SB-210 50

On-The-Job Use

• Used in transport refrigeration units to maintain engine cooling during long hauls.
• Operates in continuous duty cycles in hot climates.
• Replaces worn belts during routine maintenance intervals.
• Supports the cooling system in stop-and-go delivery operations.

Specs At A Glance

Good To Know

Q: How do I know if this belt fits my unit? A: Verify your unit model is SB-200 or SB-210 with 30 or 50 series, and check the existing part number 78-1340 or 78-1337 on the old belt.

Q: What happens if the water pump belt fails? A: A failed belt stops coolant circulation, causing the engine to overheat quickly, so replace it at the first sign of cracking or squealing.

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