{"product_id":"gearwrench-fan-clutch-service-set-41580d-5-fan-nut-wrenches-patented-35w-pulley-holder-black-oxide","title":"GearWrench Fan Clutch Service Set 41580D — 5 Fan Nut Wrenches, Patented 35W Pulley Holder (Black Oxide)","description":"\u003cp\u003e\u003cstrong\u003eGearWrench Fan Clutch Service Set 41580D is a complete kit of fan nut wrenches, pulley holder, and pins designed to remove and install fan clutches and drive pulleys across most passenger and light‑duty vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe 41580D combines a patented universal 35W pulley holder with a selection of metric fan nut wrenches, cam pins and press‑on pulley pins, all stored in a blow‑molded case. Built for professional and DIY mechanics, the set addresses the variety of fastener sizes and pulley styles encountered when servicing water pumps, timing components, and fan clutches. Components are finished with a black oxide coating for corrosion resistance and the kit is backed by GearWrench lifetime coverage.\u003c\/p\u003e\n\n\u003ch3\u003eWhich components come in the GearWrench fan clutch kit?\u003c\/h3\u003e\n\u003cp\u003eThis kit includes the tools you need to secure pulleys and remove fan nuts without improvising. The assortment covers common automotive fan nut diameters and offers pins for press‑on pulley housings found on some Chrysler engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePatented 35W universal pulley holder to lock pulleys in place\u003c\/li\u003e\n  \u003cli\u003eFive fan nut wrenches: 22 mm, 36 mm, 40 mm, 47 mm, and 50 mm\u003c\/li\u003e\n  \u003cli\u003eSmall pin set: five 5 x 8 mm pins for press‑on pulleys\u003c\/li\u003e\n  \u003cli\u003eLarge pin set: cam pins sized 6 x 10 mm and 7.5 x 18 mm\u003c\/li\u003e\n  \u003cli\u003eDurable blow‑molded storage case for organization and protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the universal pulley holder help during service?\u003c\/h3\u003e\n\u003cp\u003eThe patented 35W pulley holder secures the pulley or fan clutch housing so you can apply torque to the fan nut without spinning the assembly. That stability reduces slippage and damage to delicate fins or housings while speeding removal and installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngages multiple pulley profiles for broad vehicle coverage\u003c\/li\u003e\n  \u003cli\u003eProvides a firm hold to avoid marring or bending pulley components\u003c\/li\u003e\n  \u003cli\u003eCompatible with both bolted and press‑on pulley types with included pins\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat sizes and fitments will this set handle?\u003c\/h3\u003e\n\u003cp\u003eThe wrench sizes cover the most commonly used fan and water pump nut diameters found on many domestic and import vehicles. The included pin sets allow the pulley holder to adapt to press‑on housings and cam‑style arrangements without extra parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFan nut wrenches: 22 mm (7\/8\"), 36 mm (1‑7\/16\"), 40 mm (1‑9\/16\"), 47 mm (1‑7\/8\"), 50 mm (2\")\u003c\/li\u003e\n  \u003cli\u003ePin options for press‑on Chrysler‑type pulleys: 5×8 mm, 6×10 mm, 7.5×18 mm\u003c\/li\u003e\n  \u003cli\u003eWorks for most passenger cars and light trucks with standard pulley fasteners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose this GearWrench kit over single wrenches or improvised tools?\u003c\/h3\u003e\n\u003cp\u003eBuying the complete set eliminates guesswork and the need to source separate pins or specialty holders, saving time on the job and protecting fasteners and components from damage. GearWrench designs the tools for repeatable use, and the blow‑molded case keeps everything arranged for fast retrieval.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne purchase supplies multiple nut sizes and pin configurations\u003c\/li\u003e\n  \u003cli\u003eBlack oxide finish resists corrosion for long tool life\u003c\/li\u003e\n  \u003cli\u003eLifetime warranty provides ongoing reliability for professional shops\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this set is for: The GearWrench Fan Clutch Service Set 41580D is aimed at professional technicians, independent repair shops, and serious DIYers who service cooling systems, water pumps, timing components, or engine fans. If you need a compact, organized solution that covers common fan nut sizes and both bolted and press‑on pulleys, this kit supplies the parts and holder required for consistent, damage‑free work.\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: Does this kit work with press‑on Chrysler pulleys?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It includes 5×8 mm and larger cam pins designed for press‑on Chrysler‑style pulleys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the wrench sizes metric or imperial?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit lists metric sizes (22, 36, 40, 47, 50 mm) with common imperial equivalents noted.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GearWrench","offers":[{"title":"Default Title","offer_id":48081463017630,"sku":"B000NICENU","price":143.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gearwrench-front-packaging-41580d.jpg?v=1785805710","url":"https:\/\/northtrailauto.ca\/products\/gearwrench-fan-clutch-service-set-41580d-5-fan-nut-wrenches-patented-35w-pulley-holder-black-oxide","provider":"North Trail Auto","version":"1.0","type":"link"}