Try smallenginewarehouse.com
If you mean Briggs and Stratton model 193702, then you want Briggs Stratton Carburetor Part No. 491590 It costs less than $150 USD. Check out http://www.smallenginesuppliers.com or the Briggs and Stratton website.
that is not a good model number for briggs. also you need the type.
If the first two digits of the engine's model number are the same, the answer is yes.
NO
what is the champion cross reference for a briggs and stratton spark plug 691043
You can get that info on the Briggs and Stratton website. Just go to: http://www.ereplacementparts.com/briggs-and-stratton-parts-c-16758.html?gclid=CPCZj4vGr58CFZdM5Qodp3bDsA and enter your engine model number.
It is a 2-cycle 4HP Briggs motor.
It depends entirely on the make/model/type number of the engine it's equipped with. A common 12.5 hp engine used by older sabres is the 286707 series Briggs & Stratton I/C. It's air cleaner cartridge filter is part number 496894s. Another common 12.5 is the newer 219707 series Powerbuilt by Briggs & Stratton. It's air cleaner is part number 698413.
20 oz.
Get the model # and click the link I will post.
Briggs & Stratton
A piece of a cigarette box should do it .