Attwood 56087 Tsunami T800 Mk2 Cartridge Bilge Pump, 12V
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The Attwood Tsunami T800 Mk2 Cartridge Bilge Pump (12V) is designed for fast, service-friendly bilge pumping with an anti-airlock “X-Air™” impeller and an easy cartridge release—helping you keep bilge systems moving when space inside the hull is tight.
Key Features
- Patented X-Air™ Impeller helps prevent air locking so the pump will not run dry and burn out
- Flexible outboard discharge: 90° rotatable elbow outlet supports a full 360° orientation
- Single-Hand Pump Cartridge Release makes servicing easier when access is limited
- Exterior mounting feet help eliminate the need to remove the basket
- Cartridge replacement is streamlined: no pipe or hose removal required
- Industry-focused motor and shaft seals help protect against harmful corrosion
- Tricuspid check valve helps prevent backflow through the pump
- GPH output rated with & without the check valve at 13.6V (as listed in the product features)
Product Compatibility
- 12V marine bilge water removal systems
- Bilge pump installations requiring a serviceable cartridge design
- Replacements/retrofits where the Tsunami Mk2 cartridge pump style is specified
Product Details
- Product: Attwood 56087 Tsunami T800 Mk2 Cartridge Bilge Pump, 12V
- SKU (variant): 23-56087
- Voltage: 12V
- Designed around the Tsunami T800 Mk2 cartridge system features described (X-Air™ impeller, rotatable outlet, cartridge release, and tricuspid check valve)
Parts Desk Insights
Best Use Case: A practical choice for boats where bilge pump service access is difficult, thanks to the single-hand cartridge release and the ability to replace the cartridge without removing the discharge pipe or hose.
Common Issues: If pump performance changes, verify that the cartridge releases smoothly and that the outlet orientation and discharge routing allow normal flow. Check valve related backflow concerns can also be tied to proper installation and condition of the check valve components.
Related Products & Accessories
- Browse Bilge Pumps - Explore additional bilge pumps and related bilge-pump components.
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.
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.