This is a A-B1SB1411 Rebuild Kit, Carburetor PN: B1SB1411Main Description As Following : A-B1SB1411 Rebuild Kit, Carburetor P.N: B1SB1411 A-B1SB1411 Rebuild Kit, Carburetor P.N: B1SB1411 Crossed From: 1411 ROTARY , 520-312 STENS , 520312 STENS , 630752 TECUMSEH , 631892 TECUMSEH , 631893 TECUMSEH , 631893A TECUMSEH , 7-02023 PRIME LINE , 702023 PRIME LINE Found in Section & Models : Sunbelt - Carburetion > 4 Cycle, Tecumseh ENGINE: AH600, Tecumseh ENGINE: AV520, Tecumseh ENGINE: AV600, Tecumseh ENGINE: H, Tecumseh ENGINE: HB, Tecumseh ENGINE: HB22J THRU HB35D, Tecumseh ENGINE: HR22J THRU HR229, Tecumseh ENGINE: HS40, Tecumseh ENGINE: H22, Tecumseh ENGINE: H22-H35, Tecumseh ENGINE: H22R, Tecumseh ENGINE: H221 THRU H35P, Tecumseh ENGINE: H25R, Tecumseh ENGINE: H30, Tecumseh ENGINE: H30R, Tecumseh ENGINE: H35, Tecumseh ENGINE: H35R, Tecumseh ENGINE: L, Tecumseh ENGINE: LAV30, Tecumseh ENGINE: LAV40 Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada