This is a brand new replacement carburetor for tractors. This is used on models: Chalmers: G230 Combine Case: 400B, 410, 500B, 600B, 700 Crawler Massey Harris/Ferguson: MF85, 88, 201, 202, 303 Oliver: 1600, 1800, 33 Combine Replaces part numbers: 104726AS 10A6269 12902 13390 14999 1587582AS 184845M1 6376A 6388A 6688A 765219M91 A20624 A20869 A58807 G45103 TSX104 TSX105 TSX123 TSX160 TSX162 TSX176 TSX185 TSX238 TSX249 TSX27 TSX276 TSX27A TSX307 TSX355 TSX364 TSX373 TSX383 TSX384 TSX385 TSX415 TSX433 TSX440 TSX441 TSX457 TSX467 TSX482 TSX485 TSX488 TSX491 TSX548 TSX591 TSX604 TSX607 TSX609 TSX62 TSX624 TSX640 TSX644 TSX654 TSX659 TSX669 TSX67 TSX685 TSX715 TSX726-1 TSX749 TSX751 TSX780 TSX783 TSX786 TSX795 TSX807 TSX82 TSX821 TSX859 TSX868 TSX876 TSX99 TSXU1007 Thanks For Your Business!! 17A90