Here is a New Old Stock Gates Bypass Hose for 

VW Caddy 1.5, 1.6, 1.8 1983-92Golf Mk1

VW Golf Mk1 1.8 1981-83

VW Golf Cabriolet 1.5, 1.6, 1.8, 1.8E 1984-92

VW Golf Mk2 1.6, 1.8 (not 16V) 1983-91

VW Jetta Mk2 1.5, 1.6 8/1983-92

VW Jetta Mk2 1.8 1984-92

VW Passat, Santana 1.3 8/1983-88

VW Passat, Santana 1.6, 1.8 1982-88

VW Passat 1.6, 1.6i, 1.8, 1.8i, 2.0 8V 1988-93

VW Scirocco 1.5, 1.6 9/1983-91

VW Scirocco 1.8 (with G engine) 1984-91

VW Scirocco 1.8i (not 16V) 1981-91 models.