859663 Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta screw from the Engine group, weighing 0.15 kg and listed for 9 applications across the TMD, MS, TAMD and MD series. Screw 859664 sits alongside it on the same 9 applications, and the two are not interchangeable — order against the number.

🚤 Compatibility

Typically suits:

• Volvo Penta TMD22A
• Volvo Penta TMD22B
• Volvo Penta TMD22P-C
• Volvo Penta MS2B-A
• Volvo Penta TAMD22P-B
• Volvo Penta MD22
• Volvo Penta MD22A
• Volvo Penta MD22L
• Volvo Penta MD22P

• Engine Family: TMD, MS, TAMD, MD

⚙️ Key Features

• 0.15 kg
• 9 applications across the TMD, MS, TAMD and MD series
• Engine group
• Screw 859664 covers the same 9 applications and is a separate item

🔌 Function

Clamps its mating engine components together and holds that clamp load under load and heat cycling.

⚠️ Common Signs of Failure

• Joint weeping or blowing where the screw provides the clamp
• Head rounded off or the drive recess chewed out
• Thread stretched, necked or picked up on removal
• Fixing found slack at a service check

🛠️ Service Notes

• Highly loaded engine screws are often single-use — renew rather than reuse if there is any sign of stretch or thread damage
• Clean and check the tapped hole before refitting, and tighten in the sequence given for the joint

📦 Condition

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