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Attwood Marine SL33-20-5 Gas Spring 15" Extended 9.5" Compressed 20 lbs

Manufacturer

Attwood Marine

<h3>About Attwood Marine</h3><p><strong>Attwood Marine</strong> has been a cornerstone of the boating world for over a century. Founded with a commitment to quality engineering and practical design, Attwood grew from manufacturing underwater hardware and on-deck fittings into one of the most recognized names across every segment of the marine accessories market. Today, the brand operates as part of the Navico Group by Brunswick — a global family of market-leading marine companies — yet it has never lost the focused, boater-first philosophy that built its reputation.</p><p>What sets Attwood apart is their end-to-end approach: they design, manufacture, test, and distribute their own products rather than simply resourcing components from third parties. Every product in their catalog is tested against the highest U.S. Coast Guard (USCG), American Boat and Yacht Council (ABYC), and CE standards, giving boaters and OEM boat builders alike the confidence that Attwood parts will perform when it matters most. Corrosion-resistant materials — including 304 and 316 stainless steel, chrome-plated zinc, and marine-grade synthetics — are used throughout the lineup to ensure durability in both freshwater and saltwater environments.</p><p>Attwood is also a leading OEM supplier, meaning you'll find their components pre-installed on boats straight from the factory. That pedigree speaks volumes: when boat manufacturers trust a brand to equip new vessels, that's a strong vote of confidence for the aftermarket buyer as well.</p><h3>Attwood Marine Product Categories</h3><p>Attwood's catalog spans a remarkably broad range of marine needs. On the docking and mooring side, their <a href="/7239-attwood-marine-fenders-201953">boat fenders</a> provide reliable hull protection against docks, pilings, and other vessels — an essential piece of gear for any boat owner. For on-water comfort and cockpit organization, Attwood's <a href="/7239-attwood-marine-seat-pedestal-packages-202496">seat &amp; pedestal packages</a> deliver complete seating system solutions backed by years of ergonomic engineering, while their <a href="/7239-attwood-marine-seat-clamp-mounts-202497">seat clamp mounts</a> and <a href="/7239-attwood-marine-seat-clamp-mounts-200927">mounting hardware</a> make swapping or positioning seats quick and secure. Rounding out the seating ecosystem, Attwood's broad selection of <a href="/7239-attwood-marine-seating-table-parts-accessories-202501">seating &amp; table parts and accessories</a> keeps every swivel, slide, and fitting performing at its best season after season.</p><p>Beyond seating and docking, Attwood is well known for its bilge and aerator pumps (including the iconic Sahara Mk2 and Tsunami series), navigation lighting, fuel systems, rod holders, and trailering accessories — making it a one-stop resource for outfitting or refreshing virtually any powerboat, fishing boat, or recreational vessel.</p><h3>Why Boaters Trust Attwood</h3><ul><li><strong>100+ years of marine expertise</strong> — a track record that few brands can match</li><li><strong>USCG, ABYC &amp; CE certified</strong> products built to rigorous safety and performance standards</li><li><strong>OEM-preferred supplier</strong> to leading boat manufacturers worldwide</li><li><strong>Corrosion-resistant construction</strong> engineered for saltwater and freshwater environments</li><li><strong>Full design-to-distribution control</strong> ensuring consistent quality across every product</li></ul>

Part Number

SL33-20-5
06/01/2036 5:12 PM
Sale Price

$16.57

In Stock (7)

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Usually delivered within 2 days

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Product Details

The Attwood Marine SL33-20-5 is a high-quality replacement gas spring designed specifically for marine applications. This environmentally conscious gas spring extends to 15 inches and compresses to 9.5 inches with a 20-pound force rating, making it ideal for hatches, lids, engine covers, and storage compartments on boats and watercraft.

Key Features:

  • Extends to 15 inches, compresses to 9.5 inches
  • 20 lb force rating for reliable lift support
  • Filled with biodegradable, water-safe grade oil (WGK) - the marine industry's most environmentally friendly gas spring
  • Passes rigorous ASTM B117 salt spray testing for corrosion resistance
  • Tested to 30,000 cycle lifecycle for long-lasting durability
  • Designed specifically for harsh marine environments

Attwood's SL-Series gas springs are popular replacement struts trusted by boaters and marine professionals. The use of environmentally safe hydraulic fluid means no hazard to waterways if the seal is compromised, while the corrosion-resistant construction ensures reliable performance season after season in saltwater and freshwater conditions.

Products specifications

Approximate Stroke

5.5"

Compressed Measurement

9.5"

Cylinder Size

18mm

Description

8 x 18 - 8MM ROD x 18MM CYLINDER

Diameter: Rod

8mm

Part was perfect. Delivery was great.

Quick shipping ,good prices.

quick

A+

GREAT COMPANY

It took over 30 min to place this order. your pay site has problems.

Like that it hooked up with Amazon so I didn't have to re type info

Quick and easy. Good prices, too

Great service so far

good, fast shipping

Hard to locate part. Glad you have it.

awesome price, quick shipping, great service. will definitley use them again!

Quick shipping, and great prices. Thanks Autoplicity!

Good

I placed the order on Monday, and the package was delivered two days later, on Wednesday...and that was with FREE SHIPPING!!! It was also at the best price I could find. What more can you ask?

Quick & easy!

Great selection if parts, fast shipping!

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