30826 Tecumseh Spring. 
 
This spring fits the following Tecumseh models: 
H40-55046F
H40-55046F 55046F-H40
H40-55046G
H40-55046G 55046G-H40
H40-55064F
H40-55064F 55064F-H40
H40-55072G
H40-55072G 55072G-H40
H40-55074F
H40-55074F 55074F-H40
H40-55074G
H40-55074G 55074G-H40
H40-55086F
H40-55086F 55086F-H40
H40-55086G
H40-55086G 55086G-H40
H40-55114F
H40-55114F 55114F-H40
H40-55116F
H40-55116F 55116F-H40
H40-55117F
H40-55117F 55117F-H40
H40-55118F 55118F-H40
H40-55124F
H40-55124F 55124F-H40
H40-55124G
H40-55124G 55124G-H40
H40-55128F
H40-55128F 55128F-H40
H40-55141G
H40-55141G 55141G-H40
H40-55143F
H40-55143F 55143F-H40
H40-55145G
H40-55145G 55145G-H40
H40-55146G
H40-55146G 55146G-H40
H40-55147G
H40-55147G 55147G-H40
H50-65067F
H50-65067F 65067F-H50
H50-65067G
H50-65067G 65067G-H50
H50-65067H
H50-65067H 65067H-H50
H50-65068F
H50-65068F 65068F-H50
H50-65068G
H50-65068G 65068G-H50
H50-65068H
H50-65068H 65068H-H50
H50-65076F
H50-65076F 65076F-H50
H50-65076G
H50-65076G 65076G-H50
H50-65076H
H50-65076H 65076H-H50
H50-65077F
H50-65077F 65077F-H50
H50-65077G
H50-65077G 65077G-H50
H50-65077H
H50-65077H 65077H-H50
H50-65078F
H50-65078F 65078F-H50
H50-65079F
H50-65079F 65079F-H50
H50-65079G
H50-65079G 65079G-H50
H50-65083F
H50-65083F 65083F-H50
H50-65083G
H50-65083G 65083G-H50
H50-65083H
H50-65083H 65083H-H50
H50-65083J
H50-65083J 65083J-H50
H50-65084F
H50-65084F 65084F-H50
H50-65084G
H50-65084G 65084G-H50
H50-65089F
H50-65089F 65089F-H50
H50-65090G
H50-65090G 65090G-H50
H50-65094F
H50-65094F 65094F-H50
H50-65094G
H50-65094G 65094G-H50
H50-65098G
H50-65098G 65098G-H50
H50-65099G
H50-65099G 65099G-H50
H50-65099H
H50-65099H 65099H-H50
H50-65100G
H50-65100G 65100G-H50
H50-65101G
H50-65101G 65101G-H50
H50-65108G
H50-65108G 65108G-H50
H50-65108H
H50-65108H 65108H-H50
H50-65108K
H50-65108K 65108K-H50
H50-65109F
H50-65109F 65109F-H50
H50-65109G
H50-65109G 65109G-H50
H50-65110G
H50-65110G 65110G-H50
H50-65111G
H50-65111G 65111G-H50
H50-65116G
H50-65116G 65116G-H50
H50-65118G
H50-65118G 65118G-H50
H50-65125G
H50-65125G 65125G-H50
H50-65127G
H50-65127G 65127G-H50
H50-65127H
H50-65127H 65127H-H50
H50-65140G
H50-65140G 65140G-H50
H50-65145H
H50-65145H 65145H-H50
H50-65156H
H50-65156H 65156H-H50
H50-65166H
H50-65166H 65166H-H50
H50-65166J
H50-65166J 65166J-H50
H50-65166K
H50-65166K 65166K-H50
H50-65170H
H50-65170H 65170H-H50
H50-65170J
H50-65170J 65170J-H50
H50-65173H
H50-65173H 65173H-H50
H50-65174H
H50-65174H 65174H-H50
H50-65177H
H50-65177H 65177H-H50
H50-65183H
H50-65183H 65183H-H50
H50-65188H
H50-65188H 65188H-H50
H50-65191H
H50-65191H 65191H-H50
H50-65195H
H50-65195H 65195H-H50
H50-65196H
H50-65196H 65196H-H50
H50-65198H
H50-65198H 65198H-H50
H50-65198J
H50-65198J 65198J-H50
H50-65201J
H50-65201J 65201J-H50
H50-65204H
H50-65204H 65204H-H50
H50-65207H
H50-65207H 65207H-H50
H50-65207K
H50-65207K 65207K-H50
H50-65210H
H50-65210H 65210H-H50
H50-65211H
H50-65211H 65211H-H50
H50-65222J
H50-65222J 65222J-H50
H50-65224H
H50-65224H 65224H-H50
H50-65224J
 
And this spring fits the following Toro models: 
31263, 526 Snowthrower, 1973
31624, 524 Snowthrower, 1974 
31625, 524 Snowthrower, 1975
31625, 524 Snowthrower, 1976
31625, 524 Snowthrower, 1977 
31626, 526 Snowthrower, 1971 
31626, 526 Snowthrower, 1971 
31660, 526 Snowthrower, 1972
31660, 526 Snowthrower, 1972 
31663, 526 Snowthrower, 1973 
31677, 724 Snowthrower, 1974
31677, 724 Snowthrower, 1974
31677, 724 Snowthrower, 1975 
31677, 724 Snowthrower, 1976 
31677, 724 Snowthrower, 1977
38040, 524 Snowthrower, 1978 
38040, 524 Snowthrower, 1979 
38040, 524 Snowthrower, 1980 
38050, 724 Snowthrower, 1978
38050, 724 Snowthrower, 1979
38050, 724 Snowthrower, 1980
58200, 26" Tiller, 1969 
58200, 26" Tiller, 1970
58200, 26" Tiller, 1971