Briggs & Stratton 84003174 Arbor Assembly Stub Axle

The Briggs & Stratton 84003174 Arbor Assembly is a genuine OEM replacement spindle assembly designed for lawn mower cutting decks. This critical component serves as the central rotating mechanism that transfers power from the drive belt system to the mower blades, enabling smooth and efficient cutting performance.

Key Features:

• Genuine OEM Briggs & Stratton part ensuring exact fit and reliable performance
• Complete assembly includes spindle shaft, bearings, and housing for comprehensive replacement
• Engineered to maintain stable blade rotation under load without wobbling or vibration
• Constructed from durable materials designed to withstand continuous stress and outdoor conditions
• Direct replacement for worn or damaged spindle assemblies

The arbor assembly (also known as a spindle or mandrel assembly) is essential for proper mower deck operation. When spindles wear out, they can cause excessive noise, vibration, uneven cutting, and blade wobble. This genuine Briggs & Stratton replacement restores smooth blade rotation and cutting performance to your equipment.