101000016AB, 101000063AA Spark plug NGK V Line 5773 M14 x 1,25 16 mm AUDI: TT Coupe, A4 B7 Saloon, B6/B7 Convertible, VOLKSWAGEN: Golf 4

External thread [mm]: 14.0 Spark position [mm]: 3.5 Thread length [mm]: 19 Spanner width: 16mm Spark plug: platinum centre electrode; with flat seal seat; fixed SAE connection; 1 kOhm; 1 ground electrode