Original equipment SU mechanical fuel pump, as used on 1990-on 1275cc cars fitted with HIF38 carb. This pump is identified by the 5/16" inlet pipe. Spacer/insulator AUB5040 may be reqired for this installation.
Use AZX1818 for all pre-1990 cars, and AZX1817 for 1990s Minis with HIF44 carb.
Representative photo shown, the actual pump may differ slightly.