Replace worn caster wheel bearings with this 4-pack of Hustler 039677P wheel bearings for compatible Hustler lawn mowers. Wheel bearings support wheel rotation and help reduce friction when properly installed. This four-piece pack is suitable for maintenance inventory or servicing compatible caster wheel assemblies. Product Details Brand: Hustler Part number: 039677P Product type: Front caster wheel bearing Quantity: 4 bearings Condition: New Application: Selected Hustler mower models Fitment: Verify the exact model and serial number before purchase Package Contents 4 × Hustler 039677P wheel bearings Fitment Notice: Supplier listings reference selected Hustler Super Z, X-One, and Super S models. Compatibility varies by model and production series. Check the manufacturer's parts diagram before ordering. Packaging Notice: This is a seller-created 4-pack unless factory packaging is verified. The listing includes four individual bearings.