Whale Marine BP0510 MK 5 Universal 20 GPM Versatile Bilge & Diesel Transfer Pump with 1-1/2" Hose
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The Whale Marine BP0510 MK 5 Universal is a versatile manual bilge & diesel transfer diaphragm pump built for flexible installation and straightforward maintenance. Its lightweight, robust plastic body can be mounted on deck, thru-deck, on a bulkhead, or thru-bulkhead, with rotating inlet/outlet to help align with your hose direction.
Key Features
- Lightweight, robust plastic pump designed for marine bilge and diesel transfer use
- Installs on deck, thru-deck, on a bulkhead, or thru-bulkhead
- Body and inlet/outlet rotate to suit hose direction
- Easy access for cleaning and inspection with no tools required
- Odor-proof seals with a protected diaphragm and inspection port
- Non-choke valves for reliable flow
- Suitable for pumping diesel
- Max lift 15'
Product Compatibility
- Marine manual bilge pumping
- Diesel transfer/transfer pumping (where appropriate for the installation and hose routing)
- General-purpose bilge water and waste transfer applications (as suited to the pump design)
Product Details
- This product is titled exactly as: Whale Marine BP0510 MK 5 Universal 20 GPM Versatile Bilge & Diesel Transfer Pump with 1-1/2" Hose
- SKU/Variant: 698-BP0510
- Hose connection size: 1-1/2"
- Flow rate (as stated in title): 20 GPM
- Max lift (as stated in provided description): 15'
- Installation options (as stated in provided description): on deck, thru-deck, on a bulkhead, or thru-bulkhead
- Orientation feature (as stated in provided description): body and inlet/outlet rotate to suit hose direction
- Service/maintenance feature (as stated in provided description): easy access for cleaning and inspection with no tools required
- Sealing feature (as stated in provided description): odor proof seals and a protected diaphragm and inspection port
- Valving feature (as stated in provided description): non-choke valves
Parts Desk Insights
Best Use Case: A good choice when you want a versatile manual pump that can handle bilge water and diesel transfer, with installation flexibility (deck, thru-deck, bulkhead, thru-bulkhead) and quick access for inspection/cleaning.
Common Issues: If performance slows or stops, check the hose routing and ensure the pump inlet/outlet are aligned correctly (rotation helps). Also inspect the diaphragm/inspection port area for blockages or debris, since regular cleaning is part of getting reliable flow from diaphragm bilge pumps.
Related Products & Accessories
- Explore Bilge Pumps - Browse related bilge pump and switch options in the Bilge Pumps collection.
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.