Volvo Penta Sealing Ring 418445
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Volvo Penta 418445 is a genuine OEM sealing ring used in selected Volvo Penta diesel cooling and exhaust-water sealing applications. Volvo Penta's official parts shop lists 418445 as a current genuine sealing ring, and current market references more specifically describe it as the exhaust water seal installed between the thermostat and exhaust elbow on certain diesel applications. That is the strongest supportable customer-facing description for this part.
Key Features
- Genuine Volvo Penta part number 418445
- Official Volvo Penta description: sealing ring
- Commonly described as an exhaust water seal
- Current dealer weight reference: 0.001 kg
- Some current market listings note these are commonly supplied or installed as 2 sealing rings in the relevant assembly.
Engine Compatibility
Current public references most clearly associate Volvo Penta 418445 with 2001, 2002, 2003, and KAD32 diesel engines in the thermostat-to-exhaust-elbow sealing area. Because sealing-ring fitment can still vary by exact engine version and assembly layout, final confirmation should always be made by serial number before ordering.
Serial Number Fitment Notice
Volvo Penta sealing ring fitment can vary by engine version, thermostat housing arrangement, and exhaust elbow setup. Confirm part number 418445 against your exact engine serial number before ordering. Volvo Penta's parts workflow is built around matching parts to the exact engine, shield, or drive.
When This Part Needs Replacement
Replace this sealing ring when the original is flattened, hardened, cut, leaking, distorted, or disturbed during thermostat or exhaust elbow service and no longer provides dependable sealing. It is also a smart replacement item whenever the related assembly is already apart and the old ring shows visible wear or compression set.
Installation Notes
Install only after confirming the exact application by serial number and parts diagram. Because current references place this ring between the thermostat and exhaust elbow, correct seating and clean mating surfaces matter. If your assembly calls for two rings, replace both together during service for a cleaner reseal.
Alternate/Superseded Part Numbers
The reviewed sources consistently identify 418445 as the key Volvo Penta ordering number. No stronger official supersession reference was established, so the cleanest genuine ordering reference remains Volvo Penta 418445.
Parts Desk Insight
This is one of those small sealing parts that can hold up the whole job if it is not replaced while the exhaust elbow area is apart. On older Volvo Penta diesels, replacing these rings during elbow or thermostat-side service is usually the cleaner move than reusing an older seal that has already taken a set. The key is matching by serial number so the sealing stack matches the exact housing layout on the engine.
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Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
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