851860 Hex Socket Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta hexagon socket screw 40 mm long, from the Marine Propulsion group, listed for 28 applications across the D, TMD, MS and MD series. It is also included in the complete drive.

🚤 Compatibility

• Engine Family: D, TMD, MS, MD
• HP Range: 13-75 HP

Full model list at the end of this description.

⚙️ Key Features

• 40 mm long
• 28 applications across four engine series
• Also included in the complete drive
• L=40mm (Volvo assembly listing)
• 4 used per assembly

🔌 Function

Clamps the assembly together through a socket head that can be tightened in a confined space.

⚠️ Common Signs of Failure

• Screw found loose or missing
• Socket rounded so the key will not bite
• Thread corroded or stripped
• Screw sheared off in the casting
• Rust weeping from the head

🛠️ Service Notes

• This is the shortest of the three socket screws here, with 851858 at 90 mm and 851859 at 140 mm, so measure before ordering
• It is included in the complete drive, so a new drive will already have it

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta 2003, 2003R, 2003TB, 120S-D, 120S-E, 2001B, 2001D, 2003D, 2003T, 2003TR, 2002B, 2002D, 2003B, 2001, 2002, 2001R
• Volvo Penta D2-40F, D2-55F, D2-50F, D2-75F, D2-60F
• Volvo Penta D1-30F, D1-13F, D1-20F
• Volvo Penta MD22, MD22A
• Volvo Penta MS2B-A
• Volvo Penta TMD22A