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Home Shop By Plumbing & Ventilation Ventilation Hatches & Deckplate Parts Sea-Dog Gas Filled Lift Spring | Chrome and Powder Coated Steel with Nitrogen Gas
Sea-Dog Gas Filled Lift Spring | Chrome and Powder Coated Steel with Nitrogen Gas
Sea-Dog

Sea-Dog Gas Filled Lift Spring | Chrome and Powder Coated Steel with Nitrogen Gas

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5 in stock
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Available for Order
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Typically Ships in 1 to 2 Weeks
Typically Ships in 1 to 2 Weeks
$23.99 - $29.99
$23.99
$23.99 - $29.99
$23.99
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Sea-Dog Gas Filled Lift Spring – High-Performance Support for Marine, RV, and Utility Applications

Sea-Dog® Gas Filled Lift Springs are built to marine OEM standards, delivering reliable performance and extended service life across a wide range of applications. Commonly used in marine engine hatches, RV doors, truck caps, tool boxes, and utility compartments, these gas springs provide dependable lift and support with smooth, controlled motion.

Each lift spring is constructed using chrome and powder-coated steel, bronze bushings, polymer end fittings, and is charged with high-pressure nitrogen gas. A unique multi-lobe seal ensures maximum durability and performance. All models accept a 10 mm ball stud (unless noted otherwise) and include a 2-year warranty.

Features:

  • Built to marine OE standards with corrosion-resistant materials
  • Hard chromium-plated shafts and bronze bushings
  • Polymer end fittings for smooth, quiet operation
  • Reliable multi-lobe seal for long service life
  • Accepts 10 mm ball unless specified otherwise
  • Available in various lengths and lift forces from 20 to 120 lbs
  • 2-year manufacturer warranty
Part # Lift Force Extended Length (A) Compressed Length (B) Stroke (C) Body Diameter (D) Shaft Diameter (E) Applications* Weight (lbs)
321402 20 lbs 7-1/2" 5-1/2" 2" 15 mm 6 mm 1 .25
321404 40 lbs 7-1/2" 5-1/2" 2" 15 mm 6 mm 1 .25
321422 20 lbs 10" 7" 3" 15 mm 6 mm 1, 2, 3 .31
321424 40 lbs 10" 7" 3" 15 mm 6 mm 1, 2, 3 .31
321426 60 lbs 10" 7" 3" 15 mm 6 mm 1, 3 .31
321462 20 lbs 15" 9-1/2" 5-1/2" 15 mm 6 mm 1, 2 .41
321464 40 lbs 15" 9-1/2" 5-1/2" 15 mm 6 mm 1, 2 .41
321474 40 lbs 17" 11" 6-3/4" 15 mm 6 mm 1, 2, 4 .44
321486 60 lbs 20" 12" 8-1/8" 15 mm 6 mm 1, 2 .50
321492 120 lbs 20" 12" 8" 18 mm 8 mm 1, 2 .78

*Application Key: 1 = Marine, 2 = RV, 3 = Tool Box/Utility, 4 = Truck Cap

Brand: Sea-Dog

WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to www.p65warnings.ca.gov

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Backorder Policy: Occasionally, due to demand or supplier delays, some items may be temporarily out of stock or non-stock items. To ensure you can still get the products you need, you can order items even when they're out of stock. Our sales team will update you with the shipping lead time. Once back in stock, we promptly ship your item, and if your order includes both in-stock and backordered items, we may split the shipment. You can cancel your backorder before shipment, and request a refund to original payment method. For any inquiries, contact us at sales@freeportmarine.com.