{"product_id":"dayuan-114-piece-oil-pan-thread-repair-kit-m13-m22-taps-replacement-drain-plugs-copper-washers","title":"DAYUAN 114-Piece Oil Pan Thread Repair Kit — M13–M22 Taps, Replacement Drain Plugs \u0026 Copper Washers","description":"\u003cp\u003e\u003cstrong\u003eDAYUAN 114-piece Oil Pan Thread Repair Kit restores stripped or worn drain plug threads by re-tapping the hole slightly oversize and fitting a new drain plug and copper washer.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf an oil sump, gearbox or differential drain plug has a damaged thread, removing the old thread and installing a new, slightly larger one is a fast way to stop leaks and return serviceability. The DAYUAN kit bundles hardened steel taps, matched replacement drain screws and copper sealing washers in a blow-molded carrying case so you can complete the repair on many common vehicle makes without fabricating parts.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and parts will this kit work on?\u003c\/h3\u003e\n\u003cp\u003eThis set covers a broad range of European and Asian makes and fits most sump, gearbox and differential drain plug threads that accept the supplied sizes. It’s designed for applications where the original thread can be safely re-tapped to the next standard diameter.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Audi, VW, BMW, Citroen, Fiat, Ford, Seat, Honda, Mazda, Mitsubishi, Opel, Peugeot, Renault, Toyota and Volvo.\u003c\/li\u003e\n  \u003cli\u003eIncludes taps and plugs sized M13, M15, M17, M20 and M22 in common pitches.\u003c\/li\u003e\n  \u003cli\u003eWorks on oil pans, gearbox housings and differentials where material condition allows re-tapping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use the DAYUAN thread repair kit safely?\u003c\/h3\u003e\n\u003cp\u003eRepairing a drain thread is straightforward but requires care to avoid introducing metal shavings into oil passages or over-enlarging the hole. Follow the step sequence and use proper tools like a tap wrench and clean the area after cutting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove the damaged drain screw and clean the hole thoroughly before tapping.\u003c\/li\u003e\n  \u003cli\u003eSelect the tap one size larger than the original thread (e.g., original M14 → use M15 tap).\u003c\/li\u003e\n  \u003cli\u003eUse a tap wrench, cut gradually, clear chips, and finish by testing fit with a new plug and washer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat exactly is included and what are the materials?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains hardened steel taps, replacement drain screws and copper sealing washers organized in a protective plastic case. Components are chosen for durability and to match common metric thread pitches used on vehicle drain plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e6 hardened steel taps: M13×1.25, M13×1.5, M15×1.5, M17×1.5, M20×1.5, M22×1.5.\u003c\/li\u003e\n  \u003cli\u003e36 replacement oil drain plugs: six of each size\/configuration for quick swaps.\u003c\/li\u003e\n  \u003cli\u003e72 copper washers: assorted counts to suit each plug size for reliable sealing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should a mechanic choose this kit versus replacing the housing?\u003c\/h3\u003e\n\u003cp\u003eUse this kit when the drain hole material is sound but the thread has been stripped or damaged; it’s a cost-effective repair compared with replacing the oil pan or gearbox cover. If the housing is cracked, heavily corroded or has lost material, a component replacement is safer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGood solution for worn or rounded threads that can accept an oversize tap.\u003c\/li\u003e\n  \u003cli\u003eNot suitable if the sump or housing is fractured or extensively corroded.\u003c\/li\u003e\n  \u003cli\u003eProfessional-grade steel construction supports repeated workshop use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The DAYUAN 114-piece Oil Pan Thread Repair Kit is aimed at automotive technicians, independent garages and experienced DIYers who encounter stripped drain plug threads across European and Asian car makes. It’s ideal for shops that prefer an organized, portable repair solution and for owners who want a durable, reusable toolset to stop leaks quickly without replacing housings.\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: Can this kit fix a stripped oil pan thread?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — if the pan material is sound, re-tap with the next size and fit the new plug and washer to restore functionality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the taps hardened for repeated use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the taps are hardened and tempered steel designed for professional or occasional workshop use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DAYUAN","offers":[{"title":"Default Title","offer_id":48086786310302,"sku":"B07R7PRDKR","price":52.92,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/dayuan-front-case-open_59e4f41c-9f19-4d14-ad1a-57a4e11e37d3.jpg?v=1785905151","url":"https:\/\/northtrailauto.ca\/products\/dayuan-114-piece-oil-pan-thread-repair-kit-m13-m22-taps-replacement-drain-plugs-copper-washers","provider":"North Trail Auto","version":"1.0","type":"link"}