Tecumseh Inlet Needle and Seat Kit No. 630932A. This is a true OEM Tecumseh Power Carburetor Inlet needle and seat kit. Used on Diaphragm style carburetors on Tecumseh engine model series LAV, H22-H40 and 638, 650, 670 series two-cycle engines.
Tecumseh Needle and Seat Kit No. 631021B. This is a true OEM Tecumseh Power Carburetor Needle and Seat. Used on most Tecumseh Float Bowl carburetors. Kit contains Needle, Viton seat, Float Spring and Bowl nut gasket. Replaces 631021, 631021A.