Zenith & CD Stromberg Needle & Seat 1.5mm   P/N B19052     = Zenith early number. 017810
Suits many Zenith carburettors:
24T-2,
26VA, 26VA-2, 26VF-3, 26VME,
28G;
30VEA, 30VEHG, 30VI, 30VIG-3, 30VIG-5, 30VIG-6, 30VIG-8, 30VIG-10, 30VIG-11,
30VIM, 30VM, 30VM-2, 30VM-4, 30VM-5, 30VM-6, 30VN, 30VNN, 30VNP,
33VN-2

Also suits CD Stromberg carburettors: 
125CDS,150CD, 150CD3, 150CDSEV, 175CD

 Many applications:
Albion EN271 1939-48
Albion EN275 1940
Austin 8HP Carr, Van 1939-46
Austin Fire Pump 8HP o 1 1943
Austin 8HP Industrial Engine 1942-45
Austin Big 7 197-38
Austin 7HP, Big Seven & Nippy Sports 1933-38
Austin 10HP 1945-48
Austin 10HP Alloy Head Engine 1938-39
Austin 10HP Carr, Utility 1934-48
Austin 1200 Marine Skipper35 1949-50
Austin A30 1951-56
Austin A35 1956-61
Austin A40 Devon, Dorset, Somerset 1951-52
Austin Light 12/4 1935-38
Austin 14HP Goodwood 1936-37
Austin 12/6 13.9HP 1935-36
Austin A55 B Series, 1500cc. 1954-63
Austin 950cc. Tractor 1967
Austin 1622cc. Tractor 1968
Bedford CA Van 1951-56  
Bedford 8CWT 12/6 1935-36
Bedford 3 Ton 28HP 1938
Bedford 5/6 CWT 10HP 1939-40
Bolinder Munktell Tractor 4 Cyl 1961-62
British Anzani 40HP 2 Stroke 1966
Brush & Petters Industrial 1950-58
Chrysler Cricket 1500cc. 1972-73
Chrysler Arrow 1971-78
Commer Mk VII Van 1952-65
Commer Express Delivery 1390cc. 1957-59
Commer Cob 1390cc. Series III 1963-65
Ford Cortina Mk I 1500cc 1963-67
Hillman Minx 1954-65 1967-73
Hillman Husky 1954-57
Hillman Super Minx 1962 on
Hillman Imp Rally 1965 on
Holden Torana HB, LC 4 Cyl 1967-69
Holden Torana 6 Cyl LC, GTR XU1 186CI. 1970-71
Holden Torana GTR XU1 202CI 1972-73
Jaguar XJ65.2L V12 1967-75
Jaguar E Type 4.2L 6 Cyl 1967-75
Range Rover 3.5L V8 1970 on
SAAB 99, 1700, 1800, B20 1969-77
SAAB B20, 99, BT20 1974-77
SAAB 99, B20 1975-77
Triumph TR4, TR4A 1963-65
Triumph 2000, Dolomite 1964-65
Triumph 2000, 1966-69
Triumph 2000 MkII, 1969-74 
Triumph Herald 1296CC 1967-71
Triumph GT6 6 Cyl 1969-74
Triumph TR6 1970-75
Triumph Spitfire 1500 1972-74
Triumph Stag V8 1972-78
Triumph TR8 1976-81

More applications using this Needle and Seat include stationary engines and Tractors