20459851 Valve Spring | Genuine Volvo Penta Part
20459851 Valve Spring | Genuine Volvo Penta Part
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In stock — Australian warehouse
Typically reaches our store in 3–5 business days
Availability checked daily with Volvo Penta
✓ Authorised Volvo Penta Dealer · Genuine Volvo Penta parts · Ships Australia-wide
🔧 Product Description
Genuine Volvo Penta valve spring for the cylinder head, from the Engine group, weighing 0.064 kg and listed for 5 applications across TD and TAD series engines.
🚤 Compatibility
Typically suits:
- Volvo Penta TD420VE
- Volvo Penta TAD620VE
- Volvo Penta TAD650VE
- Volvo Penta TAD660VE
- Volvo Penta TAD420VE
- Engine Family: TD, TAD
⚙️ Key Features
- Cylinder-head valve spring
- 0.064 kg
- Engine group
- 5 applications across TD and TAD series engines
🔌 Function
Returns the valve to its seat and keeps the valve train in contact throughout the operating cycle.
⚠️ Common Signs of Failure
- Valve-train clatter or valve float that shows up at higher engine speed
- Power falling away at the top of the rev range while low-speed running stays clean
- Spring cracked, corroded or visibly shorter than its neighbours
- Valve no longer returning firmly to its seat
- Measured spring pressure below the service limit on test
🛠️ Service Notes
- Renew the springs across the whole head rather than singly, so seat pressures stay even
- Check free length and squareness on a flat plate before deciding to refit any of the originals
📦 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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