Deutsch 
English Tenneco (formerly Beru, Federal Mogul) special spark plug for industrial applications type ZK 14-12-28 A1 EA1.5 with grounding bar, single electrode.
Electrode distance (EA) 1.5 mm
Thread M14 x 1.25
Thread length 12 mm
Ceramic length 16.3 mm
Wire Ø3.5 x 28mm Kanthal A1
Dimensions 1.0 x 3.5 x 35 x 11 mm Kanthal AF galvanised
Connection M4
Beru order number 0 004 400 404.
Electrode distance (EA) 1.5 mm
Thread M14 x 1.25
Thread length 12 mm
Ceramic length 16.3 mm
Wire Ø3.5 x 28mm Kanthal A1
Dimensions 1.0 x 3.5 x 35 x 11 mm Kanthal AF galvanised
Connection M4
Beru order number 0 004 400 404.