For Golf 1, Golf 1 Cabriolet, Jetta 1, Caddy 1, Scirocco 1 and 2: from 08/1979 For Golf 2, Jetta 2: - raised07/1988.
For Golf 1 convertible 2H engine. For Polo 2 and 2F NZ 3F 9Y AAK engine.
For Coccinelle and Karmann Type 14: - raised07/1965. For Combi T1. For Type 3- Greater 1963.
For KR PL 9A engine, with a 50mm diameter collector.