20412314 Stud | Genuine Volvo Penta Part
20412314 Stud | Genuine Volvo Penta Part
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🔧 Product Description
Genuine Volvo Penta high-temperature stud used in sets of four to mount the turbocharger to the exhaust manifold on D7 engines. It is used with nuts 20412308, washers 20799731 and nut retainers 20505959.
🚤 Compatibility
Typically suits:
- Volvo Penta TAD620VE
- Volvo Penta TAD650VE
- Volvo Penta TAD660VE
- Volvo Penta TAD720GE
- Volvo Penta TAD720VE
- Volvo Penta TAD721GE
- Volvo Penta TAD721VE
- Volvo Penta TAD722GE
- Volvo Penta TAD722VE
- Volvo Penta TAD730GE MECH
- Volvo Penta TAD730GE EDC4
- Volvo Penta TAD731GE MECH
- Volvo Penta TAD731GE EDC4
- Volvo Penta TAD732GE EDC4
- Volvo Penta TAD733GE EDC4
- Volvo Penta TAD765VE
- Volvo Penta TAD764VE
- Volvo Penta TAD763VE
- Volvo Penta TAD762VE
- Volvo Penta TAD761VE
- Engine Family: TAD
⚙️ Key Features
- High-temperature turbocharger mounting stud
- Four used in the applicable turbo installation
- Works with hexagon nuts 20412308
- Used with washers 20799731 and nut retainers 20505959
- Stud threads and installed height must meet the workshop specification
- Engine type: Volvo Penta 7-litre turbocharged industrial diesel
- 4 used per assembly
🔌 Function
Provides the threaded mounting points that clamp the turbocharger to the exhaust manifold.
⚠️ Common Signs of Failure
- Stud stretching or thread damage
- Exhaust leakage from lost clamp load
- Stud seized in the manifold
- Broken stud during removal
- Turbocharger flange movement
🛠️ 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 Supersession Chain
- 20412314 → Supersedes 20799733
OEM / Related Numbers
- 20799733 earlier number superseded by this part
- 20412308 - mounting nuts
- 20799731 - washers
- 20505959 - nut retainers
- 20500295 - related turbocharger
- 3802178 - related turbocharger
- 20405970 - turbo gasket
📦 Condition
- Genuine Volvo Penta part
- Brand new
- Supplied in original or equivalent packaging
Shipping & Delivery
Shipping & Delivery
Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.
Returns & Warranty
Returns & Warranty
14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.
Not sure this fits?
Not sure this fits?
Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.
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