Stick with OEM HVAC replacement parts to maintain system integrity and ensure high-efficiency performance across the burner assembly

Wide Application Range: Verified for use in York models 1BS0407

eliminating vibration-induced signal noise

Maintaining a clean cross-over and pilot flame depends on the exact 1

and TUE furnace series

Browning 4L390 Belt mario Stick with OEM HVAC replacementThe Browning 4L390 Belt is a heavy duty fractional horsepower (FHP) V belt designed for reliable power transmission in light duty HVACR applications. Engineered with a 1 2" top width and a 39" outside diameter, this 4L section V belt features a classic wrapped construction that excels in small diameter sheaves where flexibility is critical. The specialized cover provides smooth, quiet operation while maintaining superior resistance to heat and oil,