Sea-Dog 3214841 Gas Filled Lift Spring
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Sea-Dog 3214841 Gas Filled Lift Spring is a marine-grade gas spring lift support designed for smooth, reliable opening and controlled lift on deck hatches, access ports, and other hinged lids.
Key Features
- Gas-filled lift spring for controlled hatch/door lid movement
- Unique multi-lobe seal helps support superior service life and performance
- Heavy gauge steel body
- Hard chromium plated shafts
- Bronze bushings and polymer end fittings
Intended Use
- Marine deck hatches and access ports
- Hinged lids on marine and RV applications
- Tool box, utility box, and truck cap lift applications
- Other hinged hardware applications requiring a gas lift spring support
Product Details
- Brand: Sea-Dog
- Product name: Gas Filled Lift Spring
- SKU: 354-3214841
- Gas spring type: Gas filled lift spring
- Seal design: Unique multi-lobe seal
- Construction highlights: Heavy gauge steel body; hard chromium plated shafts; bronze bushings; polymer end fittings
- Included in listing: 1 lift spring (variant listing indicates single unit)
Parts Desk Insights
Best Use Case: A strong choice for replacing an aging gas spring on a hinged marine hatch or access port where you want consistent lift and controlled movement.
Common Issues: If lift feels weak or sluggish after installation, verify end-fitting seating and alignment, inspect mating points for looseness, and confirm you’ve matched the correct force/sizing for your hatch geometry before continuing.
Related Products & Accessories
- Browse Marine Deck Hatches & Access Ports - Pair your lift spring with the correct hatch hardware components from the same category.
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.