J-Thomas offers oil filters & transmission filters that fit all major lawn mowers.  We stock oil and transmission filters for Briggs & Stratton, Honda, John Deer, Kawasaki, Kohler and more. You can maximize your equipment’s performance when you buy oil and oil filters from J-Thomas. You should remember to change your oil every 50 hours and replace a filter at minimum twice a year.  We also offer transmission filters for most common commercial mowers.