Seachoice Primer Bulb, 5/16 In., Fuel
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Designed for the harsh marine environment, this primer bulb quickly replaces air in the fuel line and ensures fast priming and low-restriction of fuel flow to your engine. Low permeation material prevents primer bulb fuel evaporation, saving fuel and money while also protecting air quality. Suitable for use with ethanol blended fuels and features a multi-layer design that resist ballooning and collapsing. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters offering a wide-ranging product line while remaining affordable.
- Low perm primer bulb replaces air in fuel lines for fast engine priming with fewer strokes to prime
- Industry leading vertical fuel draw for priming in any application
- High flow double check valves
- UV inhibitors ensure lasting durability
- For use with 5/16 inch inside diameter fuel hose
- Manufacturer part number 50-21321
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 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.