Briggs & Stratton engine replaces 31G777-3304-G5 on HUSTLER riding lawn mower

Description

New Briggs & Stratton Vertical crankshaft engine
-Overhead Valve Design (O.H.V.)
-17.5 HP
-Single Cylinder
-Vertical shaft
-500cc
-Solenoid Carburetor Shutdown
-Cast Iron Sleeve
-12 Volt Electric Start
-9 Amp Alternator
-1" diameter x 3.157" Keyed Crankshaft.
-Crankshaft Drilled/Tapped 7/16-20
-Choke-A-Matic
-Oil Filter
-Fuel Pump
-Does not include Muffler or Gas Tank
Please Note: If your current engine model number starts with a 31, it has 500cc. Our 17.5 Gross HP engine has enough power to replace your old engine. A 500cc Briggs and Stratton engine is no longer rated more than 17.5 gross HP.
Includes Briggs & Stratton Warranty -
Please note, if you should have any problems with engine after installation and start-up you will need to contact your local Briggs & Stratton dealer.  Return shipping to us is not covered by Briggs & Stratton's warranty. Please contact us if you have any questions regarding warranty. Consumer or Residential Use - 24 Months & Commercial or Rental Use - 12 Months
ONLY returns on engines that have not been mounted, had oil added, or hooked up to fuel will be accepted. Buyer is responsible for return shipping and getting engine back to us undamaged, this means packing up safely and securely.
Engine Has No Oil, You Must Add Before Starting
SHIPPING ONLY TO LOWER 48 STATES