For RP engine For EV and RD engine used the CLC connection 027133649ADAPT https://closeclassic.com/en/golf-2/1064-intake-boot-adapter.html
For Golf 2, Jetta 2, 08/1989- Nearby engine JP ME 1V JR MF RA SB RH GU RP RV PB PF PN Golf 3, Vento, engine: ABD AAM ABS 1Y AAZ ABE ABV AEK AEX AEY AEE Scirocco, chassis: 53L010001- yawn Golf Cabriolet 1, chassis: 15L015001- Similar Caddy 1, chassis: 14N000001-mentioned
For Golf 1, Golf Cabriolet 1, Jetta 1, Caddy 1, Scirocco 1, Combi T3
For Golf 2, 5 doors and Jetta 2, 4 doors