Johnson Pump 50533PK Nitrile Check Valve
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Johnson Pump 50533PK Nitrile Check Valve is a replacement check valve for select Johnson Pump cartridge-style bilge pumps, helping prevent backflow in the discharge line.
Key Features
- Replacement Johnson Pump check valve for cartridge-style bilge pump setups
- Nitrile check valve design for marine bilge pump discharge systems
- Includes the check valve cartridge component identified as 50533PK (LNS SKU: 189-50533PK)
Product Compatibility
- Cartridge-style marine bilge pump installations that use Johnson Pump 50533PK check valve parts
- Bilge pumps and related plumbing/discharge plumbing where a nitrile check valve is required (confirm by parts diagram and model)
Product Details
- Title/Model: Johnson Pump 50533PK Nitrile Check Valve
- Replacement part type: Nitrile check valve
- Manufacturer part number: 50533PK
- SKU: 189-50533PK
Parts Desk Insights
Best Use Case: Best used during bilge pump maintenance or repair when the existing check valve needs replacement to reduce the chance of backflow in the discharge plumbing.
Common Issues: Common service issues with check valves include binding/sticking from debris, degraded sealing surfaces, or backflow complaints after installation—confirm you’re replacing the correct valve cartridge and that related mating surfaces and seals are in good condition per the pump’s service diagram.
Related Products & Accessories
- Browse Bilge Pump Parts - Explore related bilge pump and plumbing 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.