Volvo Penta Duoprop Front Propeller Nut 23952642
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Volvo Penta 23952642 is a genuine OEM propeller nut used in select Volvo Penta Duoprop sterndrive applications. Current dealer and distributor references consistently identify it as the front propeller nut for Volvo Penta DPH, DPR, and DPI drive families, where it secures the forward propeller in the Duoprop assembly.
Key Features
- Genuine Volvo Penta OEM part number 23952642.
- Identified by current sources as the front propeller nut.
- Commonly listed for Volvo Penta DPH, DPR, and DPI Duoprop sterndrives.
- Current sources show 3863211 as the earlier part number superseded by 23952642.
- Dealer weight references range from about 0.13 lb to 0.197 kg, depending on listing format.
Engine Compatibility
The strongest supportable fitment for 23952642 is by drive family rather than by engine long-block. Current references consistently place it on Volvo Penta DPH, DPR, and DPI sterndrives as the front propeller nut, and one current catalog specifically lists applications including DPH-A, DPH-C, DPH-D1, DPH-E, DPI-A, DPR-A, DPR-B, DPR-C, and DPR-D. Because propeller hardware can vary by drive generation and propeller setup, the safest fitment path is to match this nut to the exact sterndrive model and serial-number-based application before ordering.
Serial Number Fitment Notice
Match Volvo Penta part number 23952642 to your drive serial number and the correct Volvo Penta propeller parts diagram before ordering. Front and rear Duoprop hardware can differ even within closely related DPH, DPR, and DPI assemblies, so serial-number verification matters more than a visual size match.
When This Part Needs Replacement
This propeller nut should be replaced when threads are damaged, the nut shows corrosion or deformation, or when it has been removed during propeller service and inspection shows wear at the locking or seating surfaces. It is also smart to inspect it anytime the front propeller is already off, since worn prop hardware can create repeat labor or retention issues. This service guidance is an inference based on the part being identified as the front propeller retaining nut in Duoprop assemblies.
Installation Notes
Confirm the exact application before installation, and compare the removed nut carefully against the replacement part, especially if the drive may have older or mixed propeller hardware. One current source also notes that the dedicated prop removal tool used with this setup is 21318669, which is a useful related reference during service. Always follow the correct Volvo Penta service procedure and torque method for the specific drive.
Alternate/Superseded Part Numbers
Current reviewed sources support 23952642 as the active Volvo Penta OEM number. Multiple current listings also show earlier part number 3863211 as superseded to 23952642.
Parts Desk Insight
With Duoprop hardware like this, the easy mistake is assuming the front and rear prop nuts are interchangeable. Matching the exact drive family and prop position first usually saves a lot of hassle, especially on DPH, DPR, and DPI setups where the hardware can look close at a glance but serves a specific location.
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