3" Exhaust Thru-Hull, White w/Flapper
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Replace or upgrade your marine exhaust thru-hull with this 3" white exhaust thru-hull fitting with flapper (SKU: 383-1200298). Built for wet exhaust applications to help reduce water backflow when the vessel is stopped, moving slowly, or backing down.
Key Features
- 3" thru-hull exhaust fitting in white finish
- Includes flapper for improved water-backflow resistance
- Designed for marine exhaust applications (wet exhaust use)
Product Compatibility
- Marine wet exhaust systems
- Exhaust thru-hull installations requiring a flapper-style fitting
Product Details
- Title: 3" Exhaust Thru-Hull, White w/Flapper
- SKU/Part number: 383-1200298
- Manufacturer part number: 1200298
- Inlet size: 3"
- Color: White
- Package quantity: 1 (single fitting)
- Includes: Flapper
Parts Desk Insights
Best Use Case: Use when you need a direct replacement exhaust thru-hull fitting for a 3" wet exhaust setup, especially where water backflow is a concern when the engine is not under load.
Common Issues: Flapper-thru-hull installations can be sensitive to proper alignment and sealing at the hull opening. If exhaust leaks or water intrusion occurs, re-check mounting/gasket condition and confirm the fitting orientation and hose routing match the original installation.
Related Products & Accessories
- Browse exhaust systems - Find matching exhaust components and related hose/muffler items for your installation.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 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.
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For return authorization, please contact our support team before shipping anything back.