{"product_id":"sunluway-522-gear-pulley-puller-large-2-7-3-4-spread-4140-steel-3-4-16-screw","title":"Sunluway 522 Gear \u0026 Pulley Puller — Large 2\"–7-3\/4\" Spread, 4140 Steel, 3\/4\"-16 Screw","description":"\u003cp\u003e\u003cstrong\u003eThe Sunluway 522 is a heavy-duty large gear and pulley puller designed to replace Ford D80L-522-A, 303-D025 and OTC 522, offering a wide 2\"–7-3\/4\" spread and a 3\/4\"-16 x 11-5\/8\" forcing screw for reliable removal of tapped-hole components.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you’re a professional mechanic or a DIY enthusiast, this puller is built to tackle stubborn gears, pulleys and similar parts that thread to a hub. Constructed from hardened 4140 impact-grade steel with a black powder coat finish, the tool balances strength and corrosion resistance for repeated shop use. It accepts cap screws up to 1\/2\" diameter and features an 8-1\/4\" wide block to stabilize the tool during extraction.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Sunluway 522 handle different pulley sizes?\u003c\/h3\u003e\n\u003cp\u003eThe adjustable arms and broad spread let this puller work on a range of diameters without separate adapters. You can set the jaws anywhere between 2\" and 7-3\/4\" to match your part, keeping the load centered for safer removal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpread range: 2\" to 7-3\/4\" for small to large pulleys\u003c\/li\u003e\n  \u003cli\u003eBlock width: 8-1\/4\" for enhanced stability\u003c\/li\u003e\n  \u003cli\u003eAccepts cap screws up to 1\/2\" diameter for flexible attachment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key durability and construction details?\u003c\/h3\u003e\n\u003cp\u003eThis puller is forged from 4140 impact-grade steel, chosen for toughness under high force. A black powder-coated finish helps resist rust and surface wear, extending useful life in workshop environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial: high-hardened 4140 impact-grade steel\u003c\/li\u003e\n  \u003cli\u003eFinish: black powder coat for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eForcing screw: 3\/4\"-16 x 11-5\/8\" long for strong, controlled extraction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich applications and vehicles is this compatible with?\u003c\/h3\u003e\n\u003cp\u003eThe Sunluway 522 is made to match the form and function of Ford D80L-522-A and OTC 522 style pullers, so it suits many automotive and industrial tasks requiring tapped-hole removal. Use it on alternators, water pump pulleys, certain flywheels and other components with threaded mounting points.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacement for Ford D80L-522-A, 303-D025 and OTC 522 equivalents\u003c\/li\u003e\n  \u003cli\u003eWorks with gears, pulleys and parts that have tapped bolt holes\u003c\/li\u003e\n  \u003cli\u003eAccepts standard cap screws up to 1\/2\" for common hardware compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do you use and maintain the puller safely?\u003c\/h3\u003e\n\u003cp\u003eSet the jaws to the part, secure with appropriate cap screws, and turn the forcing screw gradually to draw the component off its hub. Keep threads clean, apply light lubricant to the forcing screw, and inspect the tool before each use for deformation or cracks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAttach cap screws (up to 1\/2\" diameter) into tapped holes to secure arms\u003c\/li\u003e\n  \u003cli\u003eTurn the 3\/4\"-16 forcing screw evenly to avoid cocking the puller\u003c\/li\u003e\n  \u003cli\u003eMaintain with light oil on threads and store dry to preserve the finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Sunluway 522 puller is aimed at professional technicians, fleet maintenance crews and informed home mechanics who need a rugged, versatile tool for removing threaded gears and pulleys. If you work on vehicles or machinery that use tapped-hole mounted components and want a direct-fit replacement for Ford D80L-522-A or OTC 522 tools, this puller gives the reach, strength, and hardware compatibility you require. Sunluway provides 12 months warranty support if questions or issues arise.\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: Is the Sunluway 522 compatible with Ford D80L-522-A?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s designed as a direct replacement compatible with Ford D80L-522-A and similar OTC 522 pullers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What maximum screw diameter does this puller accept?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It accommodates cap screws up to 1\/2\" diameter for secure attachment to tapped holes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sunluway","offers":[{"title":"Default Title","offer_id":48086720118942,"sku":"B084ZM9FQG","price":50.75,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/sunluway-522-front-view.jpg?v=1785902919","url":"https:\/\/northtrailauto.ca\/products\/sunluway-522-gear-pulley-puller-large-2-7-3-4-spread-4140-steel-3-4-16-screw","provider":"North Trail Auto","version":"1.0","type":"link"}