Welcometo V-Belt Guys Extensive OEM Equivalent Replacement Belt Collection. Find a OEM Equivalent Replacement Belt Today! Sale. 00068092 LESCO Replacement Belt. $ 10.73 $ 15.02. Sale. 0070104N PERKINS MOTOR CAR Cogged Replacement V-Belt. $ 10.11 $ 14.15. Sale. 010536 JACOBSEN Replacement Belt. 2900 N/mm. UNSPSC. 26111801. Country of Origin. Varies (subject to change) Product Description. 4L section V-belts are light duty belts for fractional horsepower (FHP) applications. They have a nominal top width of 1/2" and a nominal thickness of 5/16" (actual dimensions may vary slightly). FHP V-belts, identified with an "L," are single belts Thishas the advantage of a smaller overall footprint and only one motor is required. The performance is quite simple: a DIDW Fan gives the same pressure rise but double the flow of a single inlet single width (SISW) fan. DIDW fans are conventionally used in heating and ventilation however Halifax Fan uses the DIDW's generic design; couple it TULHL.