The Volvo Penta Connecting Rod Bearing Set – 0.030″ Oversize (875303) is designed for use in Volvo Penta MD21 and AQD21 series marine diesel engines where the crankshaft journals have been reground by 0.030 inches . Connecting rod bearings are essential for maintaining correct oil clearance, reducing friction, and ensuring smooth piston and crankshaft operation. This 0.030″ oversize bearing set is intended for professional engine rebuilds and bottom-end overhauls when standard bearings are no longer suitable. Manufactured to OEM-equivalent specifications, the bearings provide accurate fitment, durability, and reliable performance in demanding marine environments. Product Type Connecting rod bearing set Part Number 875303 Bearing Size Oversize 0.030″ Compatibility Suitable for Volvo Penta engines: MD21A MD21B AQD21A AQD21B
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