GetPartFound: Scan · ID · Buy · Fabricate
393957S

Briggs & Stratton Lawn & Garden Equipment Engine Air Filter 393957S 8.00 x 4.50 x 4.50 Genuine OEM

by Briggs & Stratton · Air Filter

Universal Replacement PartsUniversal AccessoriesUniversal Air Filters

Condition: New
$49.66 at Sears PartsDirect · as of 18 Oct 2026
See current price at Sears PartsDirect

Affiliate link: you pay on Sears PartsDirect's site, under its shipping and returns. We may earn a commission. Delivery time is shown on Sears PartsDirect's site.

Sears PartsDirect prices are from its product feed as of 18 Oct 2026, not live: the current price and availability are on Sears PartsDirect's own page.

Description

This is a Genuine OEM Briggs & Stratton part. Basic InformationPart Name: Lawn and Garden Equipment Engine Air FilterManufacturer: Briggs & StrattonCategory: Lawn and Garden EquipmentPrimary Function: Cleans air entering the carburetorInstallation & CompatibilityCompatible Models: Fits various Briggs & Stratton engine models. Please confirm this part is correct for your model before ordering.Installation Difficulty: Medium — straightforward installation requiring basic mechanical skillsTools Required: No special tools required Additional Information: Air filter part number 393957S is designed specifically for lawn and garden equipment engines. This air filter plays a critical role in maintaining engine performance by effectively cleaning the air that enters the carburetor. A clean air filter ensures the engine operates efficiently and prevents dirt and debris from causing damage or reducing engine lifespan.Common symptoms that indicate the need for replacement include decreased engine performance, rough idling, or a noticeable drop in power. Regularly replacing your air filter as per your owner's manual recommendations can help avoid these issues. For optimal engine performance, ensure that your air filter is regularly checked and replaced when necessary.When installing this air filter, allow the engine to cool to avoid burns or other injuries. Wear work gloves to protect your hands during installation. It's a straightforward process that requires minimal tools. Simply access the air filter housing, remove the old filter, and replace it with the new part, ensuring a proper fit to maintain engine efficiency. | Briggs & Stratton Lawn & Garden Equipment Engine Air Filter 393957S 8.00 x 4.50 x 4.50 Genuine OEM

Fits, as listed by Sears PartsDirect

Listed by part number, not by machine model: confirm the number against your appliance's or machine's parts list before ordering.

For: Lawn & Garden Equipment Engine

Specifications

8.00 x 4.50 x 4.50