Lennox 63K05 BX55 Blower V-Belt 58 Inch

The Lennox 63K05 is a BX55 blower V-belt designed for HVAC systems, featuring a 58-inch outside circumference and BX section profile with 21/32-inch top width and 13/32-inch height. This replacement belt (also known as 63K0501 or 9013-2055) is engineered for reliable performance in furnace and air handler applications.

Key Features:

• Raw edge cogged construction with polyester reinforcing cord for superior durability
• Oil and heat resistant ethylene elastomeric material
• Operating temperature range from -60°F to 250°F
• Molded notches increase flexibility for use with smaller diameter sheaves
• Static dissipating and oil resistant properties
• Meets RMA standards for industrial power transmission

This genuine Lennox replacement belt ensures proper blower operation and efficient airflow in compatible heating and cooling systems. The cogged design provides improved heat dissipation and flexibility compared to standard V-belts, making it ideal for HVAC applications with frequent start-stop cycles.