Harbot 491588S Air Filter for 3.5-6.5 HP Lawn Mowers | Fits Toro, Craftsman, Honda

Harbot 491588S Air Filter: A practical upgrade for your lawn care routine

The Harbot 491588S air filter is designed to help your engine breathe cleaner air as you mow. It stays compatible with a broad range of parts and models, including 491588S and related numbers, and works with 3.5-6.5 HP push mowers. In everyday use, you may experience steadier airflow, reduced intake of dust, and a more consistent idle in progressively dusty yards.

Built with attention to filtration performance and fit, this replacement cartridge aims to balance strong dust-holding capacity with low airflow restriction. The result can be easier maintenance schedules and a more predictable mowing experience, especially when you work through dry, gritty or debris-filled terrain.

Key benefits

• Wide compatibility across the 491588S family and compatible Toro, Craftsman, and Honda models
• Up to 99% filtration efficiency with low airflow restriction for steady intake
• High dust-holding capacity to help keep the intake cleaner between changes
• Elastic polyurethane seal for a secure fit and reduced vibration
• Fast, tool-free installation in about five minutes
• Precise fit confirmed by dimensions: Length 5-3/16 in, Width 4-1/2 in, Height 13/16 in

Real-world usage

When you mow in dusty or gravelly conditions, a reliable air filter can help protect the engine from debris and maintain smooth operation. The polyurethane seal contributes to a tight seal, which can reduce vibrations as you move across uneven terrain. This filter is designed to fit snugly and stay in place during routine maintenance or quick yard cleanup sessions.

Included in the package

• 2 x Harbot 491588S air filters

Installation tips

• Open the mower housing and remove the old filter
• Align the new filter with the housing and press firmly to ensure a tight seal
• Close the housing and start the mower to verify proper seating

Technical details

Dimensions match a flat cartridge design for compatible 491588S systems, with a compact profile that fits within typical mower housings. The replacement pack offers a ready-to-use solution for maintenance days or seasonal upkeep.