21274748 Heat Exchanger | Genuine Volvo Penta Part
21274748 Heat Exchanger | Genuine Volvo Penta Part
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✓ Authorised Volvo Penta Dealer · Genuine Volvo Penta parts · Ships Australia-wide
🔧 Product Description
Genuine Volvo Penta complete heat exchanger for MD2020-C and MD2020-D marine diesels. The shell-and-tube unit transfers engine heat from the closed fresh-water circuit into the raw-water circuit and replaces the earlier heat-exchanger references 3581925 and 3580247.
🚤 Compatibility
- HP Range: Approximately 19 HP
⚙️ Key Features
- Genuine Volvo Penta complete heat exchanger
- Shell-and-tube coolant-to-seawater construction
- 1.177 kg
- Confirmed MD2020-C and MD2020-D fitment
- Supersedes 3581925 and 3580247
- Engine type: Volvo Penta MD2020 three-cylinder marine diesel
🔌 Function
Transfers heat from engine coolant to raw water while keeping the two fluids separated.
⚠️ Common Signs of Failure
- Coolant or seawater leakage around the component
- Restricted flow, corrosion scale or internal blockage
- Pressure loss, aeration or repeated overheating alarms
- Visible pitting, cracking or damaged sealing surfaces
🛠️ Service Notes
- Inspect the end covers, seals and tube bundle during installation
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 21274748 → Supersedes 3580247
OEM / Related Numbers
- 3580247 earlier number superseded by this part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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