Briggs & Stratton part 498260 is a genuine OEM Carburetor Overhaul Kit. This comprehensive kit is designed to restore engine performance by replacing worn seals, gaskets, and internal components that often become clogged or degraded by old fuel. Product Overview Part Type: Carburetor Rebuild/Overhaul Kit. Purpose: Resolves issues like hard starting, stalling, or poor engine idling caused by a dirty or worn carburetor. Replaces: It is a direct replacement for part numbers 398183, 490937, 492495, 493762, and 498261. Fuel Compatibility: Not compatible with fuel containing greater than 10% ethanol.