876668 Main Bearing Kit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta main bearing kit in 0.50 mm undersize, weighing 0.111 kg and listed for 4 applications on MD series engines.

🚤 Compatibility

Typically suits:

• Volvo Penta MD2020
• Volvo Penta MD2020B
• Volvo Penta MD2020-C
• Volvo Penta MD2020-D

• Engine Family: MD

⚙️ Key Features

• 0.50 mm undersize
• 0.111 kg
• 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 rumbling knock from the block under load
• Oil pressure low at hot idle
• Metal particles in the oil or on the filter
• Shells found wiped or scored on strip-down

🛠️ Service Notes

• Four 0.50 mm undersize main bearing kits are listed here for MD engines with the same fitment count, this one and 876659, 876662 and 876665; the grade marking cannot separate them, so order by the number your parts book gives
• Its own run also holds 876666 standard and 876667 at 0.25 mm; never pick a grade on published weight

📦 Condition

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