Volvo Penta Drain Reduction Sleeve 3858291
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Volvo Penta 3858291 is a genuine OEM reduction sleeve used in select Volvo Penta gasoline engine applications. Current parts listings consistently identify it as an active Volvo Penta reduction sleeve, and the strongest visible application detail links it to certain 5.0GXi-E, 5.0GXi-EF, 5.0OSi-E, and 5.0OSi-EF engine setups.
Key Features
- Genuine Volvo Penta OEM part number 3858291.
- Identified in current dealer listings as a reduction sleeve.
- Current application references connect it to select 5.0GXi-E / 5.0OSi-E family engines.
- Dealer weight reference lists it at approximately 0.049 kg.
Engine Compatibility
The strongest supportable fitment for 3858291 is within Volvo Penta 5.0GXi-E, 5.0GXi-EF, 5.0OSi-E, and 5.0OSi-EF gasoline applications based on current parts listings. Because the visible public references do not provide a full factory schematic breakdown in the accessible text, the safest compatibility statement is to match this reduction sleeve to the exact Volvo Penta engine diagram and serial-number-based application before ordering.
Serial Number Fitment Notice
Match Volvo Penta part number 3858291 to your engine serial number and the correct Volvo Penta parts diagram before ordering. Small sleeves and reducers can vary by assembly version and surrounding hardware even within closely related engine families. This is especially important here because the public fitment detail is narrow and centered on a small group of 5.0L models.
When This Part Needs Replacement
This reduction sleeve should be replaced when it shows wear, deformation, corrosion, looseness in its mounting location, or damage during service. It is also smart to inspect it anytime the surrounding assembly is already apart, since small locating and reducing hardware can create repeat labor if reused in poor condition. This service guidance is a practical inference based on the part being identified as a reduction sleeve rather than a general wear item.
Installation Notes
Confirm the exact application in the correct Volvo Penta schematic before installation, and compare the removed sleeve carefully against the replacement part. Inspect the mating bore, fastener, or surrounding mounting point before reassembly. With small reducer-style hardware, exact application matters more than a quick visual comparison.
Alternate/Superseded Part Numbers
The reviewed sources continue to list 3858291 as the active Volvo Penta OEM number. One current catalog also labels it as reduction sleeve, drain, which is a useful application clue, but no clearly supported Volvo Penta superseded replacement number surfaced in the current source set.
Parts Desk Insight
With small sleeves like this, the easy mistake is matching only by size. Checking the exact engine diagram first usually saves time, especially when reducer-style hardware can look interchangeable on the bench but serves one very specific location in the assembly.
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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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