859833 Stud | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta stud from the Inlet and Exhaust System group, weighing 0.011 kg and listed for 7 applications across the TMD, TAMD and MD engine series. It shares its fitment list with intake gasket 859829, which is the joint it clamps.

🚤 Compatibility

Typically suits:

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

• Engine Family: TMD, TAMD, MD

⚙️ Key Features

• 0.011 kg
• 7 applications across TMD, TAMD and MD engines
• Inlet and Exhaust System group
• Clamps the joint sealed by intake gasket 859829
• 4 used per assembly

🔌 Function

Provides a fixed threaded anchor in the head or manifold so the joint can be clamped and released repeatedly without wearing the casting thread.

⚠️ Common Signs of Failure

• Nut turning the stud out of the casting instead of tightening
• Thread stretched, necked or stripped at the nut end
• Corrosion seizing the nut so the stud shears on removal
• Joint that will not hold torque because one fixing has lost its grip

🛠️ Service Notes

• Studs that come out with the nut have usually lost their thread grip — renew the stud rather than refitting it
• Order enough for the whole joint; replacing one and reusing the rest often just moves the leak along the flange

📦 Condition

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