992459 Stud | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta stud, part number 992459, listed in the Fasteners and Fixings group. It gives the casting a fixed threaded anchor, so a component can be drawn down onto it and removed again without wearing the thread in the casting itself. Volvo Penta publishes no fitment, dimensions or assembly detail against this number, so check it against the parts list for your own engine before ordering.

⚙️ Key Features

• Genuine Volvo Penta stud
• Fasteners and Fixings group
• Threaded anchor — protects the thread in the casting
• No fitment or dimensions published against this number — check it against the parts list for your engine

🔌 Function

Gives the casting a fixed threaded anchor, so a component can be drawn down onto it and removed again without wearing the thread in the casting itself.

⚠️ Common Signs of Failure

• Nut that turns without ever coming up to torque, or that pulls the stud out with the thread on it
• Stud snapped off flush, or found already broken when a cover or manifold is removed
• Joint that will not stay sealed at one particular fastener — blowing, weeping or a black sooty trace at an exhaust joint
• Heavy corrosion, rust jacking or a rusted-solid nut, so that the stud has to be renewed with the joint

🛠️ 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

📦 Condition

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