310-552-054 belt, 3LK380 Oil and Heat resistant Belt Type-V Belt Top Width-3/8 in Material-Kevlar (Aramid) Outside Length-38 in Height-7/32 in Weight: 0. All Bestorq belts are designed to perform at the identical or higher level than all other major Manufacturer's belts of the same type..Aftermarket replacement for 7540257 Mtd Products, Inc.