• Fuel injectors must be installed immediately after calibration of the sealing rings.
• Clean base surface for sealing ring on fuel injector
• Application: BENZ M278 engine.
• Engines: 133,152,157,270,274,276,278
• BENZ OEM no.ref: 272 589 00 43 00
• Mercedes-Benz OEM no.ref: 272 589 00 43 00