Electrode Gap [mm]: 0,8; Connector type: SAE/M4; Thread Size: M14x1,25; Spanner Size: 16 mm; Spark Plug: 2 - Earthed Electrode, with gasket seat; Thread Length [mm]: 19; Technical Information Number: 14 FR-6 LDU; Self-service suited packaging see parts list: ; Tightening torque from [Nm]: 20; Tightening torque to [Nm]: 30; Product line: ULTRA; Fuel Type: Liquefied Petroleum Gas (LPG); Recommended change interval [km]: 20000; Required quantity: 4, 6, 8, 5; Construction Year to: 09/1998, 10/1998, 07/1999, 03/1999; TecDoc Engine Number: 1551, 4405, 17851, 17470, 14249, 20754, 5451, 5452, 22048; Construction Year from: 09/1991, 01/1999, 05/2005; Engine Number to: 1945438; Vehicle Identification Number (VIN) from: 151177; Engine Code: G6; Engine Number from: 050425