Briggs & Stratton Air Filter - 27987S

Key Features

• Genuine OEM Briggs & Stratton 27987S foam air cleaner element for horizontal shaft engines in the 2–5 HP range.
• Open-cell foam filtration traps dust, dirt and debris while maintaining airflow for efficient engine operation.
• Direct replacement for older part number 27987 on supported engines; drop-in design enables tool-free installation during routine service.
• Compact dimensions ensure compatibility with small Briggs & Stratton air cleaners: 143 mm L × 114 mm W × 38 mm H (5-5/8" × 4-1/4" × 1-1/2").
• OEM-quality construction helps protect the carburetor and internal components, supporting smoother starts and longer engine life.

Product Details

• Type: Foam air filter element (air cleaner)
• Material: Open-cell foam filtration media
• Engine Fit: Briggs & Stratton horizontal shaft engines in the 2–5 HP range
• Replacement: Direct replacement for older 27987 on supported engines
• Dimensions: 143 mm L × 114 mm W × 38 mm H (5-5/8" × 4-1/4" × 1-1/2")
• Installation: Drop-in, tool-free replacement
• Application: Suitable for walk-behind mowers, garden machines and other outdoor equipment powered by Briggs & Stratton horizontal engines

Compatibility

• Briggs & Stratton horizontal shaft engines in the 2–5 HP range
• Engines that previously used part number 27987 (27987S is a direct OEM replacement)
• Ideal for classic or older small Briggs & Stratton engines used in walk-behind mowers and garden equipment