861866 Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta screw from the Engine group, weighing 0.020 kg and listed for 14 applications across the D and MD series. The other Engine-group screw listed here for the same 14 applications is 861867, at 0.016 kg, so order by part number and position.

🚤 Compatibility

Typically suits:

• Volvo Penta D1-13
• Volvo Penta D1-13B
• Volvo Penta D1-13F
• Volvo Penta D1-20
• Volvo Penta D1-20B
• Volvo Penta D1-20F
• Volvo Penta MD2010
• Volvo Penta MD2010B
• Volvo Penta MD2010-C
• Volvo Penta MD2010-D
• Volvo Penta MD2020
• Volvo Penta MD2020B
• Volvo Penta MD2020-C
• Volvo Penta MD2020-D

• Engine Family: D, MD
• HP Range: 13-20 HP

⚙️ Key Features

• From the Engine group
• 0.020 kg
• 14 applications across D and MD engines
• Companion screw 861867 covers the same applications
• Quantity varies by assembly, most commonly 11

🔌 Function

Clamps the joint it passes through and holds it at the set tension.

⚠️ Common Signs of Failure

• Screw found loose at service
• Thread stretched, galled or picked up on removal
• Head rounded or the drive slipping
• Corrosion under the head or on the shank

🛠️ Service Notes

• Screws 861866 and 861867 share the same engines and the same fitment count, so identify them by position rather than by weight

📦 Condition

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