Key Features

• Genuine Briggs & Stratton OEM Lo-Tone muffler, part 393010S, engineered to replace the original exhaust on select Briggs & Stratton small petrol engines.
• Lo-Tone design reduces engine noise compared with open exhausts, improving operator comfort during use.
• Durable construction using heat-resistant materials designed to withstand repeated thermal cycling and vibration.
• Direct replacement with original mounting points and thread size for straightforward installation.
• Maintains proper back-pressure to support smoother running and longer engine life.
• Pipe thread typically 3/4" NPT within the 5–8 hp Briggs & Stratton engine range.

Product Details

• Product Type: Exhaust Muffler / Silencer
• Part Reference: 393010S
• Pipe Thread: Typically 3/4" NPT for compatible engines
• Material/Construction: Heat-resistant components designed for durability under engine exhaust conditions
• OEM Status: Genuine Briggs & Stratton part

Compatibility

• Engine Range: Briggs & Stratton petrol engines ~5–8 hp with standard exhaust port type (horizontal or vertical crankshaft configurations where this exhaust style is fitted)
• Typical Compatible Engines: 5 hp small engines (horizontal or vertical shaft), 6–7 hp engines with similar exhaust port designs, 8 hp overhead valve engines using a 3/4" NPT exhaust thread
• Typical Equipment Applications: Walk-behind lawn mowers, garden tractors and small ride-on mowers, petrol-powered pressure washers, compact generators, tillers and other outdoor power equipment
• Fitment Tip: Verify your engine model code and confirm the thread size against your existing part to ensure correct match