{"id":6148,"date":"2026-05-18T20:55:24","date_gmt":"2026-05-18T20:55:24","guid":{"rendered":"https:\/\/automotivebrakeandclutch.com\/index.php\/product\/new-hydromax-booster-casting-2771424-2771819-international\/"},"modified":"2026-05-18T20:55:24","modified_gmt":"2026-05-18T20:55:24","slug":"new-hydromax-booster-casting-2771424-2771819-international","status":"publish","type":"product","link":"https:\/\/automotivebrakeandclutch.com\/index.php\/product\/new-hydromax-booster-casting-2771424-2771819-international\/","title":{"rendered":"New Hydromax Booster Casting #2771424 #2771819 | International"},"content":{"rendered":"<p><script src=\"https:\/\/cdn.tailwindcss.com\"><\/script><\/p>\n<style>\n    body {<br \/>        font-family: \"Inter\", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, \"Noto Sans\", sans-serif;<br \/>        margin: 0;<br \/>        padding: 0;<br \/>        display: flex;<br \/>        flex-direction: column;<br \/>        min-height: 100vh;<br \/>    }<br \/>    .spec-table {<br \/>        width: 100%;<br \/>        border-collapse: collapse;<br \/>        @apply shadow-lg rounded-xl overflow-hidden text-sm my-4;<br \/>    }<br \/>    .spec-table th {<br \/>        @apply bg-abc-dark text-white p-3 text-left font-bold uppercase tracking-wider;<br \/>    }<br \/>    .spec-table td {<br \/>        @apply p-3 border-b border-gray-200;<br \/>    }<br \/>    .spec-table tbody tr:nth-child(odd) {<br \/>        @apply bg-gray-50;<br \/>    }<br \/>    .important-note-style {<br \/>        border: 2px solid #c00000;<br \/>        background-color: #ffeaea;<br \/>        @apply p-6 mt-6 rounded-lg shadow-md;<br \/>    }<br \/><\/style>\n<p><script>\n    tailwind.config = {\n        theme: {\n            extend: {\n                colors: {\n                    'abc-red': '#DC2626',\n                    'abc-dark': '#1F2937',\n                    'abc-alert-red': '#c00000',\n                }\n            }\n        }\n    }\n<\/script><\/p>\n<div class=\"product-container max-w-5xl mx-auto p-4 sm:p-8 text-gray-800\">\n<div class=\"space-y-8\">\n<div class=\"pb-4 border-b-4 border-abc-red\">\n<h1 class=\"text-3xl sm:text-4xl font-extrabold text-gray-900 leading-tight uppercase text-balance\">Casting #2771424 New Hydromax Booster | International Truck &amp; School Bus<\/h1>\n<div class=\"flex flex-col sm:flex-row justify-between items-start sm:items-center mt-4 gap-2 text-balance\">\n<p class=\"text-xl font-bold text-abc-red\">SKU: 52980565<\/p>\n<p><span class=\"bg-abc-dark text-white text-xs font-bold px-3 py-1 rounded uppercase tracking-widest text-center\">Bexar Pro new Grade<\/span><\/p>\n<\/div>\n<\/div>\n<p class=\"text-gray-700 font-semibold border-l-4 border-abc-red pl-4 italic\">Bexar Pro Components: Precision Safety for International Fleets &amp; Industrial Equipment.<\/p>\n<div class=\"prose max-w-none text-gray-700 text-lg leading-relaxed\">\n<p>Restore your vehicle&#8217;s braking safety with this P<strong>rofessionally Engineered Hydromax brake booster<\/strong> from <strong>Bexar Pro Components<\/strong>. This assembly is a direct safety replacement for International trucks and school buses originally equipped with <strong>Casting #2771424 or #2771819<\/strong>.Each unit is restored to original factory specifications, ensuring <strong>heavy-duty fleet reliability<\/strong> across automotive and industrial applications. This assembly comes complete with <strong>new motor O-rings<\/strong> to provide a high-pressure, leak-free seal between the booster and your backup pump motor.<\/p>\n<\/div>\n<table class=\"spec-table\">\n<thead>\n<tr>\n<th>Spec Identifier<\/th>\n<th>Detail<\/th>\n<th>Application Note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Condition<\/strong><\/td>\n<td class=\"text-abc-alert-red font-bold uppercase\">new<\/td>\n<td>Fully tested and certified for school bus safety.<\/td>\n<\/tr>\n<tr>\n<td><strong>Body Casting #<\/strong><\/td>\n<td class=\"font-mono font-bold\">2771424 \/ 2771819<\/td>\n<td>Verify your original housing stamping before purchase.<\/td>\n<\/tr>\n<tr>\n<td><strong>Hardware Included<\/strong><\/td>\n<td>New Motor O-Rings<\/td>\n<td>Ensures proper high-pressure seal for backup pump motor.<\/td>\n<\/tr>\n<tr>\n<td><strong>Core Refund<\/strong><\/td>\n<td>$75.00 Credit<\/td>\n<td>Refunded upon return of a rebuildable core within 60 days.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"important-note-style\">\n<h2 class=\"text-xl font-bold text-abc-alert-red mb-3 flex items-center uppercase\"><span class=\"mr-2 text-2xl\">\u26a0<\/span> Expert Installation &amp; Hardware Info<\/h2>\n<p class=\"mb-4 text-gray-900 font-semibold italic\">Based on our shop experience specializing in heavy-duty brakes since 1985:<\/p>\n<ul class=\"list-disc list-inside space-y-2 text-gray-800\">\n<li><strong>Motor O-Rings:<\/strong> New Oval O-rings are included in the box. Always replace these when remounting your backup motor to prevent hydraulic leaks.<\/li>\n<li><strong>Pedal Rod:<\/strong> Reuse your original pedal rod if the length or eyelet differs from the pre-installed version. Note that changing the rod requires a new <strong>SKU 27-190<\/strong> (grommet) for secure retention.<\/li>\n<li><strong>Core Return:<\/strong> To receive your <strong>$75 refund<\/strong>, please return your old core unit. This maintains the supply of high-quality castings for the International fleet community.<\/li>\n<\/ul>\n<\/div>\n<div class=\"bg-gray-100 p-6 rounded-2xl border border-gray-200 shadow-sm\">\n<div class=\"flex flex-col md:flex-row gap-6 items-center\">\n<div class=\"flex-1\">\n<p class=\"text-gray-700 font-bold uppercase text-sm tracking-wide\">Technical Support Resources:<\/p>\n<p class=\"text-gray-600 text-sm italic\">Access our video guides for rod swapping and official manuals for a successful installation.<\/p>\n<\/div>\n<div class=\"flex-1 flex flex-col sm:flex-row gap-4 justify-end w-full md:w-auto\"><a class=\"bg-abc-dark text-white px-6 py-3 rounded-xl font-bold hover:bg-gray-700 transition shadow-md text-center uppercase text-sm\" href=\"https:\/\/www.youtube.com\/watch?v=eZi5O30f5GU\" target=\"_blank\" rel=\"noopener\"><br \/>\nVideo Guide<br \/>\n<\/a><br \/>\n<a class=\"bg-abc-red text-white px-6 py-3 rounded-xl font-bold hover:bg-red-700 transition shadow-md text-center uppercase text-sm\" href=\"2024\/01\/HydroMax_Hydraulic_Brake_Booster_Manual.pdf\" target=\"_blank\" rel=\"noopener\"><br \/>\nTechnical Manual<br \/>\n<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<footer class=\"bg-abc-alert-red w-full py-12 mt-12 shadow-[0_-8px_15px_rgba(0,0,0,0.15)]\">\n<div class=\"max-w-7xl mx-auto px-4 text-center\">\n<div class=\"bg-white inline-block p-4 rounded mb-6 shadow-xl border-4 border-abc-alert-red\"><img decoding=\"async\" class=\"h-12\" src=\"2026\/03\/bexar-pro-01-1.png\" alt=\"Bexar Pro Components\" \/><\/div>\n<h3 class=\"text-2xl md:text-3xl font-extrabold tracking-widest uppercase text-white drop-shadow-sm text-balance\">new Booster #2771424 \/ #2771819<\/h3>\n<p class=\"mt-3 text-white text-opacity-90 font-medium tracking-wide\">Precision Safety for International Fleets &amp; Industrial Equipment<\/p>\n<p class=\"text-white text-xs mt-4 opacity-70 uppercase tracking-widest\">Bexar Pro Components: Heavy-Duty Performance Since 1985<\/p>\n<\/div>\n<\/footer>\n","protected":false},"excerpt":{"rendered":"<p>Casting #2771424 New Hydromax Booster | International Truck &amp; School Bus SKU: 52980565 Bexar Pro new Grade Bexar Pro Components: Precision Safety for International Fleets &amp; Industrial Equipment. Restore your vehicle&#8217;s braking safety with this Professionally Engineered Hydromax brake booster from Bexar Pro Components. This assembly is a direct safety replacement for International trucks and<\/p>\n","protected":false},"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":""},"product_brand":[18],"product_cat":[24,17],"product_tag":[],"class_list":{"0":"post-6148","1":"product","2":"type-product","3":"status-publish","5":"product_brand-bexar-pro-componets","6":"product_cat-hydromax-brake-boosters","7":"product_cat-view-all-products","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hydromax Booster 2771424 | International School Bus Brake Replacement | Bexar Pro<\/title>\n<meta name=\"description\" content=\"Hydromax Brake Booster (Casting 2771424 \/ 2771819). 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