353-7423 Main Bearing For 3054C 3054E C4.4 C4.4T C4.4TA Diesel Engine

Abnormal engine vibration or loud noise

Low oil pressure (after verifying oil pump/circuit functionality)

Visible wear, pitting, or rust on the bearing surface

Reduced power output and increased fuel consumption

Cool engine, disconnect power, and remove access covers/accessories

Remove old bearing; clean housing of debris and oil residue

Apply specialty grease to new bearing; press into housing securely

Reassemble, add fresh oil, and test for smooth operation

Change oil/filters every 1,500 operating hours

Avoid prolonged engine overloading or high-speed idling

Keep cooling system clean to prevent lubrication failure

Store spare bearings in a sealed, dry environment