Applications include: Chrysler 3.0L CRD and Jeep 3.0L CRD; Mercedes Benz A Class, B Class, C Class, CLA, CLK, CLS, E Class, GL/M/S Class and Sprinter 2.1 CDI; Smart Forfour and Mitsubishi Colt. Mercedes Benz Engine codes: 1.5L (OM639), 1.8, 2.2L (OM651), 2.0L (OM640), 3.0L (OM642) and 4.0L (OM629). Glow plug applications include: NGK CZ303, Y8002AS and YE13; Mercedes Benz OEM 001 159 5701 and 001 159 6601. Thread size: M8 x 1mm, 147mm total length, thread-to-seal 76mm. Use with Laser 4510 diesel compression test kit and Laser 5140 cylinder leakage tester.