Material: strength composite metals Fitment Type: Direct Replacement Engine Compatibility: M176 / M177 4.0L (3982cc) V8 Biturbo Part Numbers: 276 033 15 01, 278 033 06 01, 278 033 08 02, 278 033 06 02, 276 030 00 00 Performance: Meets or exceeds OE specifications for form, fit, and function Installation: Easy-to-install with no special tools required Crankshaft Main Bearing Crankshaft Main Bearing Size 4.0 T Crankshaft Main Bearing Size The Car Crankshaft Main & Connecting Rod Bearing Shell Set is engineered to withstand the demands of performance driving.Constructed from strength composite metals, this kit is designed to increase hardness and load capacity, offering improved resistance to wear and corrosion.The advanced materials that the bearings maintain their integrity under conditions, reducing maintenance frequency and supporting engine.This kit is designed to fit a range of models including G550, C63, E63 S, and M177 4.0T.The interchangeable part numbers 2760331501 and 276030000 provide compatibility for direct replacement, simplifying the installation process.The bearings meet or exceed OEM specifications, proper form, fit, and function.This allows integration into the engine while supporting smooth and efficient performance.The package includes a complete set of connecting rod bearing shells (16 pieces) and crankshaft main bearing shells (10 pieces), providing all components needed for a full replacement.With precise engineering and construction, this bearing shell set supports restored engine performance and for vehicles equipped with the M176 or M177 4.0L V8 Biturbo engine.