23042274 Heat Exchanger | Genuine Volvo Penta Part
23042274 Heat Exchanger | Genuine Volvo Penta Part
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🔧 Product Description
Genuine Volvo Penta main heat exchanger from the Cooling System group, of shell-and-tube construction, weighing 18.29 kg and listed for 12 D series engine applications. It supersedes part number 22437222 and transfers engine heat to the seawater circuit.
🚤 Compatibility
Typically suits:
- Volvo Penta D4-175I-G
- Volvo Penta D4-230I-G
- Volvo Penta D4-270I-G
- Volvo Penta D4-320I-G
- Volvo Penta D4-300I-G
- Volvo Penta D4-150A-G
- Volvo Penta D4-230A-G
- Volvo Penta D4-270A-G
- Volvo Penta D4-320A-G
- Volvo Penta D4-300A-G
- Volvo Penta D4-145I-G
- Volvo Penta D4-175 VG
- Engine Family: D
- HP Range: 145-320 HP
⚙️ Key Features
- Main heat exchanger from the Cooling System group
- Shell-and-tube construction
- 18.29 kg
- Listed for 12 D series engine applications
- Supersedes 22437222
- Heavy enough to need two people or a hoist to handle
- Also supersedes Volvo part numbers 3582298, 3812563 and 40005711
🔌 Function
Passes engine coolant through a bundle of tubes swept by raw seawater, dumping engine heat overboard while keeping the two circuits separate.
⚠️ Common Signs of Failure
- Engine running hot, especially at sustained high load
- Coolant level dropping with no external leak, or coolant appearing in the seawater discharge
- Salt crusting or green staining at the end covers
- Tube stack found blocked with weed, shell or impeller debris
- Perforated tubes, wasted end plates or a spent zinc anode at strip-down
🛠️ Service Notes
- Check the seawater side first - a blocked tube stack, a tired impeller or a fouled inlet strainer causes most of the overheating blamed on the exchanger
- Renew the end cover gaskets and O-rings with the unit, and fit a fresh anode where one is used
- Look for impeller vanes shed upstream and remove them before commissioning the new exchanger
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 23042274 → Supersedes 22437222 → Supersedes 22369738
OEM / Related Numbers
- 22437222 earlier number superseded by this part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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