Belt Set 78-629 78-603 78-1341 for Thermo-King SB190 SB200 SB210 SB230 SB310

Belt Set for Thermo-King

This belt set includes part numbers 78-629, 78-603, and 78-1341 and is designed for Thermo-King SB190, SB200, SB210, SB230, and SB310 transport refrigeration units, ensuring proper belt tension and drive efficiency.

Overview

This belt set is a direct replacement for Thermo-King SB series refrigeration units. It includes three belts (78-629, 78-603, 78-1341) that work together to drive the compressor and fan. Designed for reliable operation in over-the-road reefer applications, this belt set keeps your Thermo-King unit running smoothly.

Built For Performance

• Set includes three matched belts for consistent tension
• High-strength fiber cords reduce stretch and extend service life
• Heat- and oil-resistant rubber construction
• Precision-cut lengths for exact fit on Thermo-King SB models
• Meets OEM specifications for reliable performance

Fits These Machines

• for Thermo-King SB190
• for Thermo-King SB200
• for Thermo-King SB210
• for Thermo-King SB230
• for Thermo-King SB310

On-The-Job Use

• Commonly used on transport refrigeration units attached to semi-trailers and trucks
• Ideal for temperature-sensitive cargo such as food, pharmaceuticals, and flowers
• Replaces worn belts during routine maintenance or after belt failure
• Applicable for both over-the-road and stationary reefer operations

Specs At A Glance

Good To Know

Q: Do I need to replace all three belts at the same time? A: Yes, it is recommended to replace all belts in the set together to ensure even wear and proper tension, preventing premature failure.

Q: How often should I replace the belt set on my Thermo-King unit? A: Belt replacement intervals vary based on usage and operating conditions; typically inspect belts every 500 hours and replace if worn or damaged.

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