990984 Lock Nut | Genuine Volvo Penta Part
990984 Lock Nut | Genuine Volvo Penta Part
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Available from Volvo Penta international
Typically reaches our store in 10–14 business days
Availability checked daily with Volvo Penta
✓ Authorised Volvo Penta Dealer · Genuine Volvo Penta parts · Ships Australia-wide
🔧 Product Description
Genuine Volvo Penta lock nut weighing 0.072 kg and recorded against 16 D-series applications in the cost records. It supersedes part number 963111.
⚙️ Key Features
- 0.072 kg
- 16 D-series applications
- Supersedes 963111
🔌 Function
Holds a threaded joint against vibration, resisting the nut backing off once it has been tightened.
⚠️ Common Signs of Failure
- Joint loosening under load
- Nut turning freely down the thread by hand
- Thread stretched or stripped
- Corrosion seizing the nut onto its stud
🛠️ Service Notes
- No thread size is published for this nut - match it to the stud and order by part number
- Fit a new nut whenever the joint is disturbed
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 990984 → Supersedes 963111
OEM / Related Numbers
- 963111 earlier number superseded by this part
📦 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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