22058158 Stud | Genuine Volvo Penta Part

🔧 Product Description

Heat-resistant threaded stud used to secure the TAD760-series exhaust or inlet-pipe flange assembly. The original thread engagement, material grade and installed length are required to maintain clamp load through repeated thermal cycles.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD765VE
• Volvo Penta TAD764VE
• Volvo Penta TAD763VE
• Volvo Penta TAD762VE
• Volvo Penta TAD761VE

• Engine Family: TAD

⚙️ Key Features

• OEM thread pitch and installed length
• Material selected for clamp load and heat cycling
• Correct engagement at both threaded ends
• Maintains flange compression
• Replace if stretched, corroded or thread-damaged
• 4 used per assembly

🔌 Function

Provides threaded clamping engagement for the flange or supported component.

⚠️ Common Signs of Failure

• Thread damage or galling
• Heat stretching and loss of clamp load
• Corrosion and reduced cross-section
• Broken stud during service
• Repeated joint leakage from uneven tightening

🛠️ Service Notes

• Clean and chase the female thread before fitting so the stud can pull down square and to full depth
• Screw studs in with a proper stud installer or the double-nut method; gripping the plain shank with pliers or self-grips scores it and the nut will never seat or torque correctly afterwards
• Screw the stud home until it seats as the manual for your engine describes, and no further — a stud wound in hard to cure a slack thread will simply split the casting
• Renew studs that are stretched, necked, bent or corroded rather than reusing them; exhaust and manifold studs in particular are cheap next to the work of extracting a broken one
• Tighten the nuts to the torque figures and in the sequence given in the workshop manual for your engine, and where a stud passes into an oil or coolant space seal it as the manual specifies

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 22058105 - spacer flange
• 22058133 - sealing flange
• 21651696 - double clamp
• 21715439 - spacer sleeve

📦 Condition

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