{"product_id":"c16-20651-c16-33313-18-inch-40lb-178n-gas-strut-shock","title":"C16-20651 C16-33313 18 inch 40lb\/178N Gas Strut Shock","description":"\u003cp\u003e\u003cstrong\u003eThis AUCLIDIS 18-inch gas strut pair (40 lb \/ 178 N) replaces OEM C16-20651\/C16-33313 lift supports for camper shells, truck toppers, toolboxes and canopy doors to restore smooth opening and secure hold.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese gas springs are a direct-fit aftermarket replacement designed for truck camper shells, topper caps, snugtop canopies, toolbox lids and similar hinged panels. Each set includes two matching struts with nylon 10 mm ball-socket ends and commonly interchangeable part numbers so you can match your original OEM identifier. The struts are intended to return controlled lift support and hold the panel in its open position when sized correctly.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I confirm this gas strut fits my camper shell or topper?\u003c\/h3\u003e\n\u003cp\u003eMatch the part numbers stamped on your existing strut or measure the ball-center lengths. This AUCLIDIS set is listed under several interchange numbers, making cross-referencing straightforward.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck for OEM numbers: C1620651, C16-20651, C16-33313, C16-33299, C16-14734, SE187P40, etc.\u003c\/li\u003e\n  \u003cli\u003eMeasure extended length from ball center to ball center: 18.70 inches.\u003c\/li\u003e\n  \u003cli\u003eMeasure compressed length: 10.82 inches to confirm travel compatibility.\u003c\/li\u003e\n  \u003cli\u003eConfirm both ends use 10 mm nylon ball sockets for mounting match.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key specs and lifting capacity of these lift supports?\u003c\/h3\u003e\n\u003cp\u003eThese struts deliver about 40 pounds (178 N) of force, suitable for many medium-weight camper doors and toolbox lids. The construction includes standard nylon ball-socket connectors for easy swap-in.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated force: 40 lb (178 N) per strut — use two for balanced support.\u003c\/li\u003e\n  \u003cli\u003eExtended length: 18.70 in; compressed length: 10.82 in.\u003c\/li\u003e\n  \u003cli\u003eEnd fittings: 10 mm nylon ball sockets at both piston and body ends.\u003c\/li\u003e\n  \u003cli\u003eSold as a set of two for left and right side replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and maintain AUCLIDIS gas struts?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward and typically requires no special tools beyond simple hand tools to remove ball studs. Orientation and correct length are important — install with the piston rod facing down when possible for optimal longevity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove old strut by detaching from ball studs; retain or replace mounting hardware as needed.\u003c\/li\u003e\n  \u003cli\u003eSnap new 10 mm ball sockets onto corresponding ball studs until secure.\u003c\/li\u003e\n  \u003cli\u003eCheck operation slowly, ensuring even lift and full travel without binding.\u003c\/li\u003e\n  \u003cli\u003eClean around mounting points and avoid puncturing the piston rod to prevent damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This AUCLIDIS pair is aimed at vehicle owners, mechanics and DIYers replacing worn or weak lift supports on camper shells, truck toppers, snugtop canopies, toolbox lids and similar hinged panels. If your original struts match the listed interchange numbers or the measured ball-center lengths align with the 18.70\" extended and 10.82\" compressed dimensions, this set provides a cost-effective direct-replacement option. AUCLIDIS includes two struts per package and offers customer support with a 12-month replacement policy to help with fitment questions or part issues.\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: Are these gas struts sold as a pair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the AUCLIDIS C16-20651 \/ C16-33313 gas struts are sold as a set of two.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the extended and compressed lengths?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Extended length is 18.70 inches and compressed length is 10.82 inches, measured ball center to ball center.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AUCLIDIS","offers":[{"title":"Default Title","offer_id":48087209803934,"sku":"B0CWXL223K","price":37.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/auclidis-front-packaging-18in-gas-strut.jpg?v=1785919024","url":"https:\/\/northtrailauto.ca\/products\/c16-20651-c16-33313-18-inch-40lb-178n-gas-strut-shock","provider":"North Trail Auto","version":"1.0","type":"link"}