{"id":6048,"date":"2026-05-18T20:55:13","date_gmt":"2026-05-18T20:55:13","guid":{"rendered":"https:\/\/automotivebrakeandclutch.com\/index.php\/product\/new-brake-master-cylinder-1-5-16-inch-bore-size-2229071-29979c\/"},"modified":"2026-05-18T20:55:13","modified_gmt":"2026-05-18T20:55:13","slug":"new-brake-master-cylinder-1-5-16-inch-bore-size-2229071-29979c","status":"publish","type":"product","link":"https:\/\/automotivebrakeandclutch.com\/product\/new-brake-master-cylinder-1-5-16-inch-bore-size-2229071-29979c\/","title":{"rendered":"New Brake Master Cylinder 1-5\/16-inch bore size 2229071 29979C"},"content":{"rendered":"<div class=\"product-container\" style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; line-height: 1.6; color: #333; max-width: 900px; margin: 0 auto; border: 1px solid #eee; padding: 30px; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<h1 class=\"product-title\" style=\"color: #111; font-size: 28px; margin-bottom: 5px; letter-spacing: -0.5px;\">New Brake Master Cylinder 1-5\/16-inch bore size 2229071 29979C<\/h1>\n<p class=\"brand-slogan\" style=\"font-weight: bold; color: #666; margin-bottom: 25px; text-transform: uppercase; font-size: 13px; letter-spacing: 1px;\">Bexar Pro Components: Heavy-Duty Reliability for Fleet &amp; Industry.<\/p>\n<div class=\"product-description\" style=\"margin-bottom: 25px; font-size: 16px;\">Restore your braking system to peak performance with the <strong>M213413<\/strong> Master Cylinder from <strong>Bexar Pro Components<\/strong>. Engineered with a precision 1-5\/16-inch bore and high-grade materials, this unit is built for the rugged demands of <strong>heavy-duty fleet reliability<\/strong>, making it the ideal solution for <strong>heavy-duty commercial trucks<\/strong>, buses, and specialized <strong>industrial equipment<\/strong>.<\/div>\n<h2 style=\"font-size: 18px; border-bottom: 2px solid #c00000; padding-bottom: 5px; color: #000; margin-bottom: 15px;\">Key Specifications &amp; Expert Features<\/h2>\n<ul class=\"feature-list\" style=\"list-style: none; padding: 0; margin: 0 0 25px 0;\">\n<li style=\"padding: 10px 0; border-bottom: 1px solid #eee;\"><strong>Bore Diameter:<\/strong> 1-5\/16-inch bore size (Critical for high-volume fluid displacement)<\/li>\n<li style=\"padding: 10px 0; border-bottom: 1px solid #eee;\"><strong>Outlet Sizes:<\/strong> 1\/2-20 INV and 9\/16-18 INV (Dual thread sizes for heavy-duty systems)<\/li>\n<li style=\"padding: 10px 0; border-bottom: 1px solid #eee;\"><strong>Application:<\/strong> Hydraulic braking circuits on commercial trucks, buses, and heavy equipment.<\/li>\n<li style=\"padding: 10px 0;\"><strong>Companion Repair Kit:<\/strong> <a style=\"color: #c00000; font-weight: bold; text-decoration: none;\" href=\"https:\/\/automotivebrakeandclutch.com\/product\/mc-kit-899mk\/\">899MK (View Compatible Kit)<\/a><\/li>\n<\/ul>\n<h2 style=\"font-size: 18px; color: #000; margin-bottom: 10px;\">Verified Casting &amp; Part Numbers<\/h2>\n<p style=\"margin-bottom: 15px;\">Matching your existing part number is the most reliable method to ensure correct fitment. This unit replaces:<\/p>\n<ul class=\"casting-numbers\" style=\"list-style: none; padding: 0; margin: 0 0 30px 0; display: flex; flex-wrap: wrap; gap: 15px; font-family: monospace; font-size: 18px; font-weight: bold;\">\n<li style=\"background: #f4f4f4; padding: 6px 18px; border-radius: 4px; border-left: 4px solid #c00000; box-shadow: 2px 2px 5px rgba(0,0,0,0.05);\">2229071<\/li>\n<li style=\"background: #f4f4f4; padding: 6px 18px; border-radius: 4px; border-left: 4px solid #c00000; box-shadow: 2px 2px 5px rgba(0,0,0,0.05);\">29979C<\/li>\n<\/ul>\n<div style=\"background: #fcfcfc; border: 1px solid #e5e5e5; padding: 25px; border-radius: 6px; margin-bottom: 30px;\">\n<h3 style=\"font-size: 17px; margin-top: 0; color: #c00000; text-transform: uppercase; letter-spacing: 0.5px;\">Expert Installation &amp; Field Note<\/h3>\n<p style=\"margin-bottom: 0; font-size: 15px; line-height: 1.5;\">Based on our shop experience specializing in heavy-duty brakes since 1985: The 1-5\/16-inch bore is essential for large commercial vehicle pressure requirements. Due to the two distinct outlet thread sizes (1\/2-20 and 9\/16-18), meticulously verify which hydraulic lines connect to which port on your original cylinder before removal. Improper plumbing or poor pushrod alignment will lead to brake imbalance and premature seal wear in industrial environments.<\/p>\n<\/div>\n<div style=\"border: 2px solid #c00000; padding: 20px; background-color: #fffafa; border-radius: 4px; margin-bottom: 35px;\">\n<h4 style=\"color: #c00000; margin-top: 0; font-size: 16px; text-transform: uppercase;\">\u26a0 CRITICAL: Verify Specifications<\/h4>\n<p style=\"margin-bottom: 0; font-size: 15px;\">To ensure safety, verify that this master cylinder\u2019s <strong>1-5\/16-inch bore size<\/strong> and dual <strong>1\/2-20 &amp; 9\/16-18 INV outlets<\/strong> match your existing unit before purchasing.<\/p>\n<\/div>\n<div class=\"sleek-banner\" style=\"display: flex; align-items: stretch; border-radius: 6px; overflow: hidden; background: #c00000; min-height: 120px; border: 1px solid #c00000;\">\n<div style=\"background: #ffffff; padding: 20px; flex: 1; display: flex; justify-content: center; align-items: center; border: 8px solid #c00000;\"><img decoding=\"async\" style=\"width: 240px; height: auto; max-width: 100%;\" src=\"2026\/03\/bexar-pro-01-1.png\" alt=\"Bexar Pro Components\" \/><\/div>\n<div style=\"flex: 1.2; padding: 25px; color: #ffffff; display: flex; flex-direction: column; justify-content: center; text-align: left; background: #c00000;\">\n<p style=\"margin: 0; font-size: 13px; text-transform: uppercase; opacity: 0.9; letter-spacing: 1.5px; font-weight: 600;\">Bexar Pro Components<\/p>\n<p style=\"margin: 0; font-size: 28px; font-weight: 800; letter-spacing: 1px; color: #ffffff; text-shadow: 1px 1px 2px rgba(0,0,0,0.2);\">SKU: M213413<\/p>\n<\/div>\n<\/div>\n<div style=\"text-align: center; margin-top: 25px;\"><a class=\"cta-button\" style=\"background: #333; color: #fff; padding: 14px 28px; text-decoration: none; border-radius: 4px; font-weight: bold; display: inline-block; font-size: 14px;\" href=\"https:\/\/automotivebrakeandclutch.com\/master-cylinder-replacement\/\">Official Master Cylinder Installation Guide<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>New Brake Master Cylinder 1-5\/16-inch bore size 2229071 29979C Bexar Pro Components: Heavy-Duty Reliability for Fleet &amp; Industry. Restore your braking system to peak performance with the M213413 Master Cylinder from Bexar Pro Components. Engineered with a precision 1-5\/16-inch bore and high-grade materials, this unit is built for the rugged demands of heavy-duty fleet reliability,<\/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":[21,17],"product_tag":[],"class_list":{"0":"post-6048","1":"product","2":"type-product","3":"status-publish","5":"product_brand-bexar-pro-componets","6":"product_cat-brake-master-cylinders","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>M213413 Brake Master Cylinder | 1-5\/16-inch Bore | Bexar Pro Components<\/title>\n<meta name=\"description\" content=\"Shop the M213413 Heavy-Duty Master Cylinder from Bexar Pro. 1-5\/16-inch bore size for commercial trucks &amp; industrial fleets. 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