{"product_id":"dukuge-12-2-40-lb-gas-struts-for-camper-shells-toolboxes-2-pack-soft-close-12-20-7-48","title":"Dukuge 12.2\" 40 lb Gas Struts for Camper Shells \u0026 Toolboxes — 2-Pack, Soft-Close, 12.20\"\/7.48\"","description":"\u003cp\u003e\u003cstrong\u003eDukuge C16-11028 are 12.2-inch, 40 lb (178 N) gas struts sold as a 2-pack to replace worn lift supports on camper shell windows, truck caps, and toolbox lids.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese gas struts are built to restore smooth, controlled opening and secure holding for a variety of aftermarket and OEM accessories. Designed as a drop-in replacement for many common part numbers, the pair arrives with a simple guidebook and matches the compression\/extension dimensions most truck cap and topper users need. The pistons use a 6mm thread and 10mm connector hole to fit popular mounting hardware; verify your measurements before ordering to ensure compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these struts improve lid and window operation?\u003c\/h3\u003e\n\u003cp\u003eOnce installed, the Dukuge struts provide steady lift assistance so lids open with less effort and stay supported in the open position. The 40 lb (178 N) force is calibrated to assist but not overpower typical camper shell windows and toolbox lids that weigh 32–40 lb. The gas-filled design also cushions closing, reducing slams and wear on hinges.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e40 lb (178 N) gas force for balanced lift and hold\u003c\/li\u003e\n  \u003cli\u003eSoft-close action to reduce impact and noise\u003c\/li\u003e\n  \u003cli\u003e12.20\" extended \/ 7.48\" compressed hole-to-hole lengths\u003c\/li\u003e\n  \u003cli\u003e6mm thread and 10mm connector hole for common brackets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and accessories are these compatible with?\u003c\/h3\u003e\n\u003cp\u003eThe C16-11028 struts are intended as replacements for a wide range of truck caps, camper shells, and accessory lids. They list interchange numbers used by many manufacturers and fit many popular topper and toolbox applications when dimensions match. Always cross-check your existing part number or measure hole-to-hole length and required force before replacing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInterchange list includes C1611028, 7009-2PK, 21-0556-06 and more\u003c\/li\u003e\n  \u003cli\u003eCommonly used on ARE, Leer, SnugTop truck caps and toppers\u003c\/li\u003e\n  \u003cli\u003eAlso compatible with WeatherGuard toolbox lids and similar accessories\u003c\/li\u003e\n  \u003cli\u003eBest fit for lids weighing roughly 32–40 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what hardware is needed?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward and can often be completed in minutes with a flat screwdriver and basic hand tools. These struts are offered as a direct swap: remove the old unit, bolt on the new one, and test the motion. If your original brackets are worn or missing, compatible mounting brackets are available separately or as bundle options.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical install: pop off old ball socket with screwdriver, attach new strut\u003c\/li\u003e\n  \u003cli\u003eConnector hole diameter 10mm — fits common ball studs\u003c\/li\u003e\n  \u003cli\u003eThread diameter 6mm for standard mounting hardware\u003c\/li\u003e\n  \u003cli\u003eGuidebook included; additional brackets sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these struts last outdoors and under regular use?\u003c\/h3\u003e\n\u003cp\u003eThe gas cylinder and piston finish are made for routine exterior use on vehicle accessories, offering consistent lift force over many cycles. As with any gas strut, longevity depends on environment, exposure to salt or corrosive agents, and frequency of use; periodic inspection of seals and mounting points is recommended to maintain safe operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGas-filled piston for consistent performance cycle-to-cycle\u003c\/li\u003e\n  \u003cli\u003eDurable finish to resist routine outdoor exposure\u003c\/li\u003e\n  \u003cli\u003eInspect seals and brackets periodically for best lifespan\u003c\/li\u003e\n  \u003cli\u003eReplace in matched pairs to ensure balanced operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Dukuge C16-11028 12\" 40 lb gas strut 2-pack is aimed at truck and topper owners, RV and camper shell users, and anyone repairing or upgrading toolbox and accessory lids. It suits DIY mechanics and professional installers who need a reliable, dimension-matching replacement for common OEM and aftermarket part numbers. Verify the hole-to-hole lengths, force requirement, and connector sizes listed here before purchase to ensure a proper fit.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the exact dimensions and force rating of these struts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They measure 12.20\" extended and 7.48\" compressed (hole-to-hole) with a 40 lb (178 N) force.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install these myself without special tools?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — basic hand tools and a flat screwdriver are usually enough for the quick pop-off and bolt-on replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dukuge","offers":[{"title":"Default Title","offer_id":55165617373527,"sku":"B0CNSVWFGK","price":31.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/dukuge-front-packaging-2pack.jpg?v=1790356424","url":"https:\/\/britishgarage.co.uk\/products\/dukuge-12-2-40-lb-gas-struts-for-camper-shells-toolboxes-2-pack-soft-close-12-20-7-48","provider":"British Garage","version":"1.0","type":"link"}