83-412 case:set SET SCREW,Socket, 1/4" - 20 x 3/4", AST

Raisman Carburetor Float Valve Needle Seat Kit Compatible with Briggs Models 83412 90700 91700 99700 100700 110700 111700 114700 121700-126800 Parts 398188 281144 (12-Pack)
Raisman Pack of 12 Needle Valve Kits || Compatible with Briggs Parts: 398188 and 281144 || Compatible with Briggs Models: 83412, 90700, 91700, 99700, 100700, 110700, 111700, 114700 and 121700-126800

Cnfaner 794305 ​Intake Manifold, 398188 Needle Seat Kit for 281085 492717 497465 Lawn Mower 83412 90700 91700 99700 100700 110700 111700 114700 121700-126800 Engine
Cnfaner 398188 Needle Seat Kit Replacement Part Numbers: 398188,281144 || 794305 Manifold​Intake for 281085 492717 497465 || 491588 Air Filter for 491588S 494245 399959 17211-ZL8-003 ,for Toro 20332 20334 20330 || 491588S Air Filter for John deere AM116236 LG491588 LG491588JD LG491588S PT15853 || Package including:1 794305 manifold​intake kit, 2 398188 float valve needle seat kit, 491588 air filter,1 spark plug,2 spring,1 gasket

Generic 398188 Carburetor Float Valve Needle Seat Kit Replacement For Brriggs Stratton 281144 398183 490937 498261 Lawn Mower Engine (Pack of 2)
Generic Replacement Part Numbers: 398188, 281144,398183 490937 498261 || Fits all Max, Quantum, 5~6HP Vertical Engines, BS 3.5~5 Hp Industrial Plus Engines, 83412, 90700, 91700, 99700, 100700, 110700, 111700, 114700 and 121700-126800. || For Toro Snowthrower : 38629 38629C 38637 38637C 38624 38639 38639C For Toro Lawn Mower :16400 16401 16402 16403 16404 20010 20011 20020 20021 20022 20023 20023C 20025 20027 20028 20029 20030 20035 20042 20043 20045 20048 20101 20183B 20212 20213 20214 20215 20216 20217 20218 20322 20327B 20328B 20433 20434 20435 20436 20437 20441 20442 20443 20448 20449 20450 20452 20453 20454 20457 20458 20462. || Design: exquisite and compact, simple and atmospheric, smooth surface, translucent and beautiful, beautiful workmanship, every detail is clearly visible. || Package Includes: 2 Piece Carburetor Float Valve Needle Seat Kit.