Whale AK5010 SmartBail BP5012 Manual Bilge Pump Service Kit
W-AK5010
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Whale SmartBail Pump Service Kit
For the compact through-bulkhead SmartBail pump
The genuine Whale AK5010 service kit contains the diaphragm, valves, seals and retaining parts used to overhaul the SmartBail BP5012 manual bilge pump. It renews the principal wear components in the fluid path while retaining the pump housing and integrated handle.
Key Features
- Genuine Whale kit for SmartBail BP5012
- Santoprene overmould diaphragm
- Nitrile inlet and outlet valves
- Includes pivot pin, seals and retaining hardware
- Compatible with BP5012 installations using either supplied port size
Technical Specs
| Manufacturer | Whale |
| Service-kit code | AK5010 |
| Compatible pump | SmartBail BP5012 |
| Diaphragm | 1 Santoprene overmould |
| Inlet / outlet valves | 1 nitrile / 1 nitrile |
| Seals | 1 flat seal; 2 O-rings |
| Hardware | 1 pivot pin; 1 screw 4x20; 1 stainless M5 Starlock washer |
| Parent-pump port options | 25mm (1in) or 38mm (1-1/2in) |
| 4Boats SKU | W-AK5010 |
Compatibility / Fitment Guide
| Check | Compatible when | Do not use when |
|---|---|---|
| Pump model | Pump label or documentation states SmartBail BP5012. | Another Whale manual bilge pump. |
| Ports | BP5012 uses its 25mm or 38mm quick-connect ports. | Port diameter is being used as the only identifier; several Whale pumps share these sizes. |
| Repair scope | Diaphragm, valves, seals or pivot hardware require replacement. | Front cover, integrated handle or pump body is structurally damaged. |
| System installation | Existing BP5012 installation is correctly plumbed, including anti-syphon protection where required. | The underlying installation fault must be corrected before servicing. |
Part Number Cross Reference
| Whale MPN | AK5010 |
| Compatible pump | BP5012 SmartBail |
| Service description | Diaphragm, valves and seals |
| 4Boats SKU | W-AK5010 |
Fitment is determined by the Whale/Henderson pump model and service-kit reference. Similar-looking kits for other pump generations are not interchangeable.
Frequently Asked Questions
Does it fit both BP5012 port configurations?
Yes. BP5012 can use 25mm or 38mm ports; AK5010 services the common internal pump mechanism.
Is this for the Gusher range?
No. It is specifically for the SmartBail BP5012.
Are the inlet and outlet valves nitrile?
Yes. The BP5012 documentation identifies nitrile valves and a Santoprene diaphragm.
Does it replace the integrated handle?
No. AK5010 is the diaphragm/valve/seal service kit, not a complete pump or cover assembly.
Before ordering: read the model code from the pump and compare it with the references above and the service diagram.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
