The Orbitrade 0.30 US main bearing set for D21/MD21A is a high-quality replacement kit for refurbishing and repairing engine crankshaft bearings, allowing you to restore proper operation and stable oil pressure in your marine installation.
The set is developed with a focus on precise fit and reliable function, making it suitable for engine repairs where a defined undersize dimension (0.30) is required to match the crankshaft/bearing surface after grinding.
With Orbitrade, you get a reliable solution in high-quality materials that contributes to lower friction and longer service life when properly installed and lubricated. Always check measurements, OEM cross-references, and compatibility before ordering.
Key features
Type: Main bearing set
Dimension: 0.30 US (undersize)
Fits engine/model: MD21A (D21)
Fits brand: Volvo Penta, Yanmar
Replaces OEM no.: 11262, 11307, 875307
Manufacturer: Orbitrade
