Rotary Corp brand aftermarket product. Fits 4-1/2 & 5 hp Quantum models.Fits 4-1/2 & 5 hp Quantum models. BRIGGS & STRATTON 490547 BRIGGS & STRATTON 496106 BRIGGS & STRATTON 496106S BRIGGS & STRATTON 692038 OREGON 35-027 PRIME LINE 7-03656 Fits STENS 105-353 SUNBELT B1BR58