876659 Main Bearing Kit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta main bearing kit in 0.50 mm undersize, weighing 0.073 kg and listed for 4 applications on MD series engines. It supersedes part number 861971.

🚤 Compatibility

Typically suits:

• Volvo Penta MD2010
• Volvo Penta MD2010B
• Volvo Penta MD2010-C
• Volvo Penta MD2010-D

• Engine Family: MD

⚙️ Key Features

• 0.50 mm undersize
• 0.073 kg
• Supersedes 861971
• For MD series engines, listed for 4 applications
• 0.50mm (Volvo assembly listing)

🔌 Function

Supports the crankshaft in the block where the main journals have been reground 0.50 mm undersize.

⚠️ Common Signs of Failure

• A deep rumble from the block that rises with load
• Oil pressure low at hot idle
• Metallic glitter in the oil or trapped in the filter
• Shells found scored or wiped when the caps come off

🛠️ Service Notes

• Four separate 0.50 mm undersize main bearing kits are listed here for MD engines, this one and 876662, 876665 and 876668, all with the same fitment count; the grade marking alone will not pick the right one, so order by the number your parts book gives for your engine
• Never choose between them on published weight, and confirm the crankshaft regrind size by measuring the journals

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 876659 → Supersedes 861971

OEM / Related Numbers

• 861971 earlier number superseded by this part

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging