SU Carburettor Auxiliary Enrichment Carburettor (Thermo) Needle   P/N AUC8121

As used in:
Jaguar 2.5L 1936-37 with HV3 Thermo

Jaguar 2.5L 1937-40 with H3 Thermo

Jaguar 3.5L 1937-39 with H4 Thermo

Jaguar 2.5L 1946-47 with H3 Thermo

Jaguar 3.5L 1946-47 with H4 Thermo

Jaguar Mk 5  2.5L 1948-49 with H3 Thermo

Jaguar Mk 5 3.5L 1948-50 with H4 Thermo

Jaguar Mk VII 1951-52 with H6 Thermo

Jaguar XK120 1949-50 with H6 Thermo

Jaguar XK120 Hi-Comp 1952 with H6 Thermo

Jaguar XK140 1954 with H6 Thermo

Jaguar XK140 Hi-Comp 1955-56 with H6 Thermo

Jaguar Mk I 2.4L 1956 with HD6 Thermo

Jaguar Mk I 3.4L 1957-58 with HD6 Thermo

Jaguar Mk VIII 3.4L 1956-58 with HD6 Thermo

Jaguar XK150S 3.4L 1959-62 with HD8 Thermo

Jaguar Mk X 3.8L 1961-64 with HD8 Thermo

Jaguar S Type 3.4L & 3.8L1963-64 with HD6 Thermo

Jaguar 420 Series 4.2L 1967-68 with HD8 Thermo

Jaguar 420G 4.2L 1967-68 with HD8 Thermo

Jaguar XJ6 2.8L 1968-71 with HD8 Thermo

Jaguar XJ6 4.2L 1968-71 with HD8 Thermo

Thermo Spring – Can use either AUC3427 or AUC1041

Some Jaguars require Thermo Needle P/N: AUC8129