Volvo Penta Raw Water Pump Impeller Puller Screw 3843949
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Volvo Penta 3843949 is a genuine OEM puller screw used as an impeller removal tool for select Volvo Penta diesel raw-water pump applications. Current parts sources consistently identify it as a puller screw, and stronger application references describe it as an impeller puller that threads into the impeller to remove it from the pump housing without damaging the housing during service.
Key Features
- Genuine Volvo Penta OEM part number 3843949.
- Identified as a puller screw / impeller removal tool for Volvo Penta service use.
- Designed to remove the impeller without damaging the water pump housing.
- Commonly associated with impellers 24139373, 21951358, and 22994993.
Engine Compatibility
The strongest supportable fitment for 3843949 is with later Volvo Penta D6 diesel raw-water pump service and certain TAMD63 applications. Current sources specifically tie it to impeller-based service on many D6 variants and list TAMD63L-A and TAMD63P-A, while another current catalog also includes selected D8 marine propulsion applications. Because this is a service tool matched to the impeller and pump setup, the safest fitment path is to verify the impeller part number and engine serial number before ordering.
Serial Number Fitment Notice
Match Volvo Penta part number 3843949 to your engine serial number and, even more importantly, to the correct impeller part number before ordering. Current references support fitment around impellers 24139373, 21951358, and 22994993, so impeller style matters more here than appearance alone.
When This Part Needs Replacement
This puller screw is a service tool rather than a normal wear item, so it is typically replaced only when the tool is lost, damaged, stripped, bent, or no longer threads correctly into the impeller during service. It is most useful when removing larger raw-water pump impellers where pry removal could damage the pump housing. This service guidance is supported by current product descriptions describing it as the proper impeller extraction tool.
Installation Notes
Thread the puller screw into the internal threads of the impeller, then continue the extraction process using the pump shaft as resistance to press the impeller out. Use it only on compatible threaded impellers, since one current source notes that non-genuine impellers may not have the required internal thread.
Alternate/Superseded Part Numbers
The reviewed sources continue to list 3843949 as the active Volvo Penta OEM number. Current service-tool references consistently associate it with compatible impeller numbers 24139373, 21951358, and 22994993, which are the most useful related reference numbers for application checking.
Parts Desk Insight
With impeller tools like this, the easy mistake is trying to improvise with picks or pry tools. Using the correct puller screw usually saves the pump housing, especially on larger Volvo Penta diesel impellers that can be stubborn after time in service.
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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.
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