Whale AK8035 Compac 50 BP0350 Gusher Flusher Pump Service Kit
W-AK8035
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Whale Compac 50 Pump Service Kit
Nitrile diaphragm, valves and retaining parts
The genuine Whale AK8035 service kit contains the principal serviceable components for the Compac 50 manual diaphragm pump, model BP0350, and compatible Gusher Flusher installations. It is intended for common valve, diaphragm and seal wear during an overhaul.
Key Features
- Complete normal-service set for Whale Compac 50
- Fits Compac 50 model BP0350
- Also listed for compatible Whale Gusher Flusher applications
- Nitrile diaphragm with inlet and outlet valves
- Includes deckplate gaiter, port screws and circlips
Technical Specs
| Manufacturer | Whale |
| Service-kit code | AK8035 |
| Primary pump model | Compac 50 BP0350 |
| Additional application | Gusher Flusher |
| Inlet / outlet valves | 1 / 1 |
| Deckplate gaiter | 1 |
| Port screws | 4 × No.6 x 1/2in |
| Circlips | 4 |
| Diaphragm | 1 nitrile |
| 4Boats SKU | W-AK8035 |
Compatibility / Fitment Guide
| Check | Compatible when | Do not use when |
|---|---|---|
| Pump model | Pump is marked Compac 50 BP0350. | BP4402 Gusher Titan or another Whale model. |
| Alternative application | Parts diagram for the Gusher Flusher specifies AK8035. | The pump manual specifies another AK code. |
| Fluid-contact material | Nitrile service parts match the original/application requirements. | A special elastomer is required for a fluid not covered by the pump specification. |
| Repair scope | Valves, diaphragm, gaiter or retaining parts require replacement. | Pump body, rocker arm or clamping assembly is damaged; these are separate components. |
Part Number Cross Reference
| Whale MPN | AK8035 |
| Compac 50 pump | BP0350 |
| Gusher Flusher | Compatible where AK8035 is specified |
| Not for Gusher Titan | BP4402 uses AK4400 or AK4419, depending elastomer |
| 4Boats SKU | W-AK8035 |
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 this fit BP4402?
No. BP4402 is the Gusher Titan, not the Compac 50. The Compac 50 model associated with AK8035 is BP0350.
Is the diaphragm nitrile?
Yes, the AK8035 kit includes a nitrile diaphragm.
Does it include the rocker arm?
No. This service kit covers normal service items; the rocker-arm/clamping assembly is separate.
Can I use it for Gusher Flusher?
Yes where the Gusher Flusher parts information specifies AK8035. Confirm the original pump reference.
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.
