Volvo Penta Shifting Valve O-Ring 3582804
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Volvo Penta 3582804 is a genuine OEM O-ring used in Volvo Penta transmission and shifting-valve service. The strongest current application trail places this seal in the shifting valve assembly, where it appears as the O-ring used in that exact hydraulic valve group on Volvo Penta marine transmission applications. Current parts references also show it in Shifting Valve Electrical, Components with a suggested quantity of 2, which makes it the correct seal where part number 3582804 is specified.
Key Features
- Genuine Volvo Penta OEM O-ring, part number 3582804.
- Strongest current application trail places it in the shifting valve assembly.
- Listed in current valve-component references as an O-ring in the shift-control valve group.
- Current parts references show suggested quantity: 2 in the shifting-valve electrical components layout.
- Compact service seal with current catalog weight around 0.001 kg on one parts listing.
Engine Compatibility
The strongest supportable fitment trail for Volvo Penta 3582804 is by exact transmission / shift-control diagram position rather than by a broad engine-family list. Current public references place it in the HS80AE-B shifting valve assembly and in related shift control valve component references, so the safest fitment standard is the exact Volvo Penta serial-number-based parts diagram for the transmission or shifting-valve assembly being serviced.
Serial Number Fitment Notice
Fitment can vary by transmission family, shifting-valve version, and serial-number range. Confirm Volvo Penta part number 3582804 against your exact transmission or engine serial number and the correct Volvo Penta shifting-valve diagram before ordering, especially where several nearby O-rings in the same valve body can look similar but serve different sealing positions.
When This Part Needs Replacement
Replace this O-ring whenever the shifting valve has been opened, or when the original seal shows flattening, hardening, swelling, hydraulic seepage, or damage during removal. It is also a smart replacement during adjacent shift-valve or solenoid service since small hydraulic seals in this area are inexpensive compared with reopening the same assembly.
Installation Notes
Match this O-ring to the exact Volvo Penta application before installation. The strongest current references place it in the shifting valve assembly, so confirming both the part number and exact diagram location is the safest cross-check before ordering or reassembly. Clean the valve-body grooves carefully, inspect adjacent seals in the same group, and avoid mixing up the neighboring O-rings during service.
Alternate/Superseded Part Numbers
Use Volvo Penta 3582804 as the primary ordering number. In the current references reviewed, I did not see a stronger confirmed supersession trail than the active number itself.
Parts Desk Insight
Small valve-body O-rings are easy to underestimate because they all look nearly identical on the bench. Matching the exact Volvo Penta diagram position first is usually much safer than trying to compare an old seal by size alone, especially in shifting-valve assemblies where several neighboring O-rings sit close together.
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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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