Whale Mk5 Universal Pump Service Kit
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Complete Rebuild Kit for the Whale Mk5 Universal Manual Pump
Restore full pumping performance to your Whale Mk5 Universal manual pump with this comprehensive service kit. The kit includes all the wear parts needed for a complete overhaul — valves, seals, and diaphragm components — so you can bring the pump back to original spec without replacing the entire unit.
The Mk5 Universal is a versatile manual pump used across a wide range of marine applications including bilge, deck wash, and general fluid transfer. Keeping a service kit aboard and servicing the pump regularly ensures reliable performance and extends the working life of the pump significantly.
Key Features
- Complete service kit for the Whale Mk5 Universal manual pump
- Includes all wear parts for a full pump overhaul
- Restores original valve action and pumping efficiency
- Direct-fit replacement components — no modification required
- Suitable for bilge, deck wash, and general fluid transfer applications
Specifications
- SKU: 698-AK8050
- Compatible Pump: Whale Mk5 Universal
- Weight: 381 g
Parts Desk Insights
Best Use Case: The go-to annual service kit for any Mk5 Universal installation — particularly important for pumps used in bilge duty where valve wear accelerates from debris and sediment. Service when pumping effort increases noticeably, output drops, or as part of a seasonal maintenance routine. For Gusher series pump service kits, see the Whale Gusher 10 Neoprene Service Kit, the Whale Gusher 10 Nitrile Service Kit, or the Whale Gusher Titan Neoprene Service Kit — confirm your pump model before ordering as kits are not interchangeable between pump series.
Note: This kit is for the Whale Mk5 Universal pump only. Verify your pump model before ordering.
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.