Click to expand Tap to zoom VAG AGU ECU Header by vendor-unknown Save £-37.00 £37.00 | / SKU H09 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart ECU Header for the VAG AGU engine. A 1.8T I4 20v engine found in the VW MK4 Polo, MK4 Golf, Bora/Jetta, Passat B5, Beetle, Seat Ibiza, Cordoba, Leon, Toledo, Exeo, Skoda Octavia, Superb, Audi MK1 A3, Audi TT 8N, A5 B5/6, A6