External Thread Size: M14 x 1,25; Thread Length [mm]: 19; Spanner Size: 21; Electrode Gap [mm]: 1; Spark Plug: with gasket seat, 3 - Earthed Electrode; TecDoc Engine Number: 4074, 4974, 9523, 22646, 12948, 12532, 5158; Construction Year to: 08/1991, 09/1986; Construction Year from: 08/1984, 08/1983; VW: GOLF I Cabriolet (155),GOLF II (19E, 1G1),GOLF III (1H1),Golf III Cabrio (1E7),PASSAT Variant (3A5, 35I),Polo Schrägheck (6N1),Golf IV Cabrio (1E),GOLF III Variant (1H5),SCIROCCO (53B),Jetta II (19E, 1G2, 165),PASSAT (3A2, 35I),Vento (1H2),Polo Classic (6V2),Passat Variant (33B),PASSAT (32B),PASSAT (315, 3A5),PASSAT Stufenheck (32B); FLR15UC3A, 101000001AD, 101000026AA, 101000036AC, 101000038AA, 101000039AA, 101000039AB, 101000040AE, 101000050AA, 101000050AB; Engine spark plug,Spark plugs