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

Product Overview

This aftermarket replacement water pump belt is intended for the listed Thermo King SB-230 and SB-230 RR 30 & 50 applications and references part numbers 78-1340, 781340, and 781968. A water pump belt transmits rotational motion to the water pump so the engine cooling system can circulate coolant or water as designed.

Key Features & Performance

• Designed for use as a water pump belt in the listed Thermo King applications.
• Supports the belt-driven operation of the corresponding water pump.
• Cross-references part numbers 78-1340, 781340, and 781968.
• Useful when servicing or replacing the corresponding water pump belt.

Fitment & Compatibility

• for Thermo King SB-230 and SB-230 RR 30 & 50 applications

Common Uses

• Replacing a worn, damaged, or malfunctioning water pump belt.
• Routine service of the engine cooling system.
• Servicing the belt drive associated with the water pump.

Technical Specifications

• Product Type: Water pump belt
• Part Number(s): 78-1340, 781340, 781968
• Model Application(s): Thermo King SB-230 and SB-230 RR 30 & 50

Frequently Asked Questions

Q: What does a water pump belt do? A: It transmits rotational motion to the water pump, supporting circulation within the engine cooling system.

Q: How should fitment be verified? A: Compare the complete part number, including 78-1340, 781340, or 781968, with the existing belt and confirm the complete equipment designation, such as Thermo King SB-230 or SB-230 RR 30 & 50.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.