Briggs & Stratton 121700 3.5HP Air Filter

Briggs & Stratton 121700 3.5HP Air Filter
  • Designed to increase horsepower & torque for the Briggs & Stratton 121700 with the 3.5HP engine.
  • Washable & Reusable
  • This K&N 121700 air filter lasts the lifetime of your vehicle.
  • Million Mile Limited Warranty with use on Street Vehicles
K&N Briggs & Stratton 121700 air filters are designed to increase engine power and are easy to install in the Briggs and Stratton factory air box.

Your Briggs and Stratton 121700 deserves a K&N! Select the Product Info button below to see everything the air filter fits.

Briggs & Stratton 121700 3.5HP OEM 399959/491588
Small Engine/Light Industrial
Outstanding service in receiving the new filter for my small engine lawnmower. Superb quality and great replacement for my other filter. Love these K&N filters.
Ronald Ochse, Jacksonville, North Carolina
Replacement Air Filter
K&N 33-2238
  • Provides long life and ease of maintenance
  • Washable and Reusable
33-2238  Briggs & Stratton 121700 3.5HP OEM 399959/491588Replacement Air Filter
List Price: $48.09
Your Price: USD $30.99
In stock