Volvo Penta IPS Lower Gear Unit Driveshaft 3863373
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Volvo Penta 3863373 is a genuine OEM shaft / driveshaft used in the lower gear unit of Volvo Penta IPS drives. Current Volvo Penta parts sources list 3863373 simply as Shaft, while current IPS lower-gear-unit diagrams identify it specifically as Driveshaft in the same assembly.
Key Features
- Genuine Volvo Penta OEM part number 3863373.
- Listed in Volvo Penta IPS Lower Gear Unit exploded views.
- Current parts references connect it to IPS-A, IPS-B, IPS-C, IPS-D, IPS-E, and IPS-F applications.
- Current catalog weight is approximately 4.284 kg, with other current distributor listings showing about 4.16–4.31 kg.
- Current OEM-oriented catalog listing shows it as a stocked genuine Volvo Penta service part.
Engine Compatibility
This is not an engine-only part. The strongest supportable fitment for 3863373 is Volvo Penta IPS drive service in the lower gear unit, specifically across IPS-A through IPS-F applications shown in current parts catalogs.
Serial Number Fitment Notice
Verify fitment by exact IPS drive model, serial number, and the correct lower gear unit parts diagram before ordering. With 3863373, the key match is the IPS drive family and lower-unit breakdown, because shaft components in the IPS system are highly assembly-specific.
When This Part Needs Replacement
This shaft is typically replaced during lower-unit rebuilds or repair work when the original shows wear, damage, vibration-related issues, or drivetrain failure in the IPS lower gear unit. That guidance is a practical service inference based on its documented position in the lower gear assembly.
Installation Notes
Install 3863373 only after confirming the correct Volvo Penta IPS lower gear unit diagram for the drive being serviced. Current exploded views place it alongside related lower-unit parts such as nut 3861203, gear set 3861176, roller bearings 183840 and 184849, and setup shims, so it should be matched to the exact gear-stack and bearing arrangement during reassembly.
Alternate/Superseded Part Numbers
Current OEM-oriented sources reviewed show 3863373 as the active Volvo Penta part number. One current aftermarket cross-reference source associates older reference numbers 3842290 and 3819241 with this shaft family, but the clearest current OEM number remains 3863373.
Parts Desk Insight
With IPS shaft parts like this, the important match is the exact IPS drive family and lower-unit diagram position. A quick serial-number check usually matters more than the generic word “shaft,” because the lower gear unit uses several closely related drivetrain parts.
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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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