Volvo Penta Wiring Harness 3862221
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The Volvo Penta 3862221 Wiring Harness is a genuine OEM harness listed by Volvo Penta as a wiring harness. It is commonly associated with gasoline-engine electrical and exhaust overheat sensor system applications, where the correct harness is important for restoring a proper factory-style connection and dependable signal routing.
Key Features
- Genuine Volvo Penta OEM part
- Part number: 3862221
- Factory replacement wiring harness
- Used in sensor and engine electrical circuit applications
- Best matched by exact engine model and serial number
Engine Compatibility
Commonly associated with selected Volvo Penta gasoline engine applications in the 3.0GL/GXi, 4.3GL/GXi/OSi, 5.0GL/GXi/OSi, 5.7Gi/GXi/OSi, and 8.1Gi/GXi/OSi families, along with certain V6 and V8 gasoline packages shown in Volvo Penta parts references.
Serial Number Fitment Notice
Fitment can vary by engine model, production range, emissions package, and harness configuration. Always confirm compatibility by engine model and serial number before ordering. Volvo Penta's own parts support directs users to identify the exact engine, shield, or drive to locate the correct part.
When This Part Needs Replacement
Replace this harness when the original wiring is heat-damaged, brittle, corroded, physically damaged, or when troubleshooting points to an intermittent connection or failed sensor-side wiring in the related circuit.
Installation Notes
Match the replacement harness to the original connector style and routing before installation. Inspect nearby wiring, terminals, and sensor connections for heat damage or corrosion so the new harness is installed into a clean, reliable circuit.
Alternate/Superseded Part Numbers
Current Volvo Penta references identify this item as 3862221. Related system references also connect this harness to exhaust overheat sensor applications.
Parts Desk Insight
Harnesses like this can look simple, but small differences in connector layout, branch length, and application routing matter. Matching by serial number is the best way to avoid repeat labor and make sure the replacement harness fits the engine exactly as intended.
Shipping: Ships same or next day for fast Canada wide shipping. ⚓
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
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.