SU Carburettor Thermo Spring    P/N AUC3427

This spring is used with the AUC8121 Thermo Needle in Jaguar applications.

NOTE: In some later series Jaguar applications the AUC1041 Spring is used.

Jaguar 2.5 L 6 Cyl. 1936-37 with HV3 Th. carb

Jaguar 2.5 L 6 cyl. 1937-39 with H3 Th.carb

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