Perko Water Cap/Chain
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Perko water deck-fill replacement cap with chain (Figure 0540 style) for water service.
Key Features
- Replacement water cap/chain assembly for PERKO Figure 0540-style deck fills
- Includes sealing O-ring and cap retainer
- Stainless-steel bead chain helps keep the cap attached while filling
Intended Use
- PERKO 0540 and 0541 water deck fills (replacement cap/chain assembly)
- Replacement-cap application for PERKO vented 1-1/2" (38.1 mm) water deck-fill hose service
Product Details
- • Brand/Series: Perko Figure 0540 style deck fill replacement cap
- • Part number/SKU: 9-0540DPW99A
- • Marine fluid: Water
- • Cap includes: O-ring and retainer
- • Cap/chain assembly includes stainless-steel bead chain
- • Matched with 1-1/2" (38.1 mm) fill hose service (as described for Figure 0540-style water cap replacement assemblies)
Parts Desk Insights
Best Use Case: Use as a direct replacement when a PERKO 0540/0541-style water deck-fill cap or its attached retainer/chain is missing, damaged, or no longer seals properly.
Common Issues: Most installation problems come from an O-ring that isn’t seated evenly or a retainer/chain that isn’t secured to the correct attachment point on the deck-fill body. Before tightening hardware, inspect the sealing surface and confirm the chain attachment area matches the original assembly style.
Related Products & Accessories
- Perko Deck Plate Key (for matching installations) - If your original deck-plate key is missing or worn, use the matching PERKO deck plate key for Figure 0540-style installations (sold separately in PERKO catalogs).
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.