Briggs & Stratton Part #421409Ma, Lawn Tractor Ground Drive Idler Pulley

Repair Part Briggs & Stratton Part #421409Ma, Lawn Tractor Ground Drive Idler Pulley. Basic InformationPart Name: Lawn Tractor Ground Drive Idler PulleyManufacturer: Briggs & StrattonCategory: Lawn TractorPrimary Function: Applies tension to the drive belt, enabling power transmission from the lawn tractor's engine to its wheels. Installation & CompatibilityCompatible Models: Fits various Briggs & Stratton lawn tractor models. Please confirm this part is correct for your model before ordering. Installation Difficulty: Medium — Requires basic mechanical skills. Tools Required: Screwdriver, wrench setAdditional InformationThe Briggs & Stratton lawn tractor ground drive idler pulley (part number 421409MA) keeps the drive belt properly tensioned, allowing smooth power transfer from the engine to the wheels. Maintaining correct belt tension helps your lawn tractor move efficiently and deliver consistent mowing performance. If your lawn tractor struggles to move, makes unusual noises, or loses drive power, a worn or damaged idler pulley may be the cause. Replacing this part can restore proper belt function and improve overall traction. Before installation, disconnect the spark plug wire to prevent accidental starting. Wear work gloves to protect your hands, and use a wrench to secure the pulley according to your owner's manual. Inspecting and maintaining drive pulleys regularly helps extend the life of your tractor and reduces the risk of drive system failures.
Manufacturer: Briggs & Stratton
MSRP: $51.22
Category: Garden
RPD Part Number: RPD-421409MA
RPD Description: Briggs & Stratton Part #421409Ma, Lawn Tractor Ground Drive Idler Pulley

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Important Note: It is always imperative that you follow the safety suggestions of the manufacturer. For example, always power or fuel before performing a repair. Please refer the to owner manual for more information. You should also consult any part no. 421409MA technical bulletin prior to installation.