I recommend you go to your local Walmart Lawn and Garden Dept or automotive parts store or lawn mower shop. They have manuals that will specify the filters applicable to your engine.
The 15.5 Briggs does not have an oil filter.
briggs and stratton oil filter part no.696854 replaces 795890.
Yes, it has an oil filter and the Briggs & Stratton part number is 492932S.
22hp Briggs lawnmowers
The Briggs and Stratton 492932 filter it cross over to a Z87A RYCO filter
Briggs & Stratton part # 491056 NAPA filter # 1348
ph4967
Ph8170
The Fram oil filter cross reference for Briggs Stratton oil filter 78-23545-0111 is motorcraft fl-400 can buy at Walmart.
Briggs and Stratton part#697153 is for the air filter panel assembly (not oil). Fram does not have cross list replacement for this part number or application.
ore83-013
PH-8170