A/4L V-Belt
A / 4L V-Belts — HVAC Air Handler & Blower Drive Belts
The A/4L V-belt is the most widely replaced belt in HVAC service. Found in light commercial air handlers, residential furnaces, small blowers, and exhaust fans. 1/2" top width • 5/16" depth • 1/4–10 HP • Min. sheave 3.0" • A-section: IC = part number (OC = IC + 2") | 4L: OC = part number ÷ 10. Same cross-section, same sheave — direct substitutes when lengths match.
Stock A38–A55 range to cover the majority of residential and light commercial HVAC service calls.
In stock and ready to ship. Order today for immediate shipment on all stocked sizes.
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