{"product_id":"riyhch-electric-trailer-brake-magnet-kit-12-1-4-x-3-3-8-set-of-2-for-9-10k-axles-corrosion-resistant","title":"Riyhch Electric Trailer Brake Magnet Kit 12-1\/4\" x 3-3\/8\" Set of 2 for 9-10K Axles, Corrosion-Resistant","description":"\u003cp\u003e\u003cstrong\u003eRiyhch's 12-1\/4\" x 3-3\/8\" electric trailer brake magnet kit is a pair of direct-fit replacement magnets engineered for 9,000–10,000 lb axles and 12-1\/4\" x 3-3\/8\" electric drum brakes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen your trailer's brakes feel weak or the magnets have worn down, these replacement magnets restore consistent electromagnetic engagement inside compatible electric drum brakes. Each set contains two magnets designed to match common replacement part numbers (including fits for 21026 and K71-376-00), built from corrosion-resistant materials to withstand road salt and moisture over time.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these magnets restore braking performance?\u003c\/h3\u003e\n\u003cp\u003eThe magnets are the component that generates the magnetic field to pull the armature and apply the brake shoes to the drum. Replacing worn or pitted magnets ensures the actuator responds correctly when you apply the trailer brake, producing stronger, more predictable stopping force.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit dimensions: 12-1\/4\" x 3-3\/8\" to match original brake shoes and backing plates.\u003c\/li\u003e\n  \u003cli\u003eCompatible with 9K–10K axle electric brakes for correct mechanical engagement.\u003c\/li\u003e\n  \u003cli\u003eReplaces common OEM numbers like 21026 and K71-376-00 for straightforward upgrades.\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant construction preserves magnetic strength and appearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before buying replacement brake magnets?\u003c\/h3\u003e\n\u003cp\u003eMeasure your brake drum and backing plate to confirm the 12-1\/4\" x 3-3\/8\" size and verify your axle class falls within the 9,000–10,000 lb range. Also compare the magnet shape and mounting hole locations to your existing parts to ensure a direct swap without modifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm axle rating: 9K–10K (9,000–10,000 lb) to match load capacity.\u003c\/li\u003e\n  \u003cli\u003eVerify brake size: 12-1\/4\" diameter and 3-3\/8\" width of the drum\/brake assembly.\u003c\/li\u003e\n  \u003cli\u003eCross-check part numbers like 21026 or K71-376-00 for compatibility.\u003c\/li\u003e\n  \u003cli\u003eInspect mounting holes and orientation before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will these magnets last and resist corrosion?\u003c\/h3\u003e\n\u003cp\u003eLongevity depends on usage and environment, but these magnets are made from durable materials treated to resist rust and corrosion. Proper installation and routine brake system maintenance—cleaning, lubrication, and shoe inspection—help maximize service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCorrosion-resistant finish to fight road salt and moisture exposure.\u003c\/li\u003e\n  \u003cli\u003eDurable construction for repeated electromagnetic cycles under load.\u003c\/li\u003e\n  \u003cli\u003eRegular brake inspections recommended to prevent premature wear.\u003c\/li\u003e\n  \u003cli\u003eReplacement as a pair helps maintain balanced braking response across the axle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I install these magnets myself or should I seek professional help?\u003c\/h3\u003e\n\u003cp\u003eA mechanically inclined DIYer with the right tools can replace brake magnets, but access to the backing plate and safe trailer support are essential. If you’re unsure about brake systems, wheel bearings, or torque specifications, professional installation reduces risk and ensures correct adjustment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRequires wheel and drum removal to access brake assembly and magnets.\u003c\/li\u003e\n  \u003cli\u003eProper jack stands and axle support are necessary for safe work.\u003c\/li\u003e\n  \u003cli\u003eFollow brake adjustment specs after installing magnets for balanced braking.\u003c\/li\u003e\n  \u003cli\u003eChoose a professional if unfamiliar with drum brake service procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This Riyhch magnet kit is aimed at trailer owners, fleet managers, and repair shops servicing 9,000–10,000 lb axles with 12-1\/4\" x 3-3\/8\" electric drum brakes. It’s a practical replacement for worn magnets or for refurbishing brake assemblies during routine maintenance, ideal when you need a direct-fit solution that matches common OEM numbers like 21026 and K71-376-00. Please check your trailer model and brake dimensions carefully before purchase, and keep children away from brake components and tools.\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 magnets compatible with my 9K trailer axles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — they fit 9,000–10,000 lb axles designed for 12-1\/4\" x 3-3\/8\" electric drum brakes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these replace OEM part 21026 or K71-376-00?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are made to fit and replace common part numbers including 21026 and K71-376-00.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Riyhch","offers":[{"title":"Default Title","offer_id":48082946162846,"sku":"B0DD4B55XN","price":58.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/riyhch-front-view-magnets.jpg?v=1785819944","url":"https:\/\/northtrailauto.ca\/products\/riyhch-electric-trailer-brake-magnet-kit-12-1-4-x-3-3-8-set-of-2-for-9-10k-axles-corrosion-resistant","provider":"North Trail Auto","version":"1.0","type":"link"}