{"id":6179,"date":"2026-05-18T20:55:28","date_gmt":"2026-05-18T20:55:28","guid":{"rendered":"https:\/\/automotivebrakeandclutch.com\/index.php\/product\/2239045-2-inch-bore-brake-master-cylinder-fits-isuzu-f-series-gmc-w7-and-industrial-equipment\/"},"modified":"2026-05-18T20:55:28","modified_gmt":"2026-05-18T20:55:28","slug":"2239045-2-inch-bore-brake-master-cylinder-fits-isuzu-f-series-gmc-w7-and-industrial-equipment","status":"publish","type":"product","link":"https:\/\/automotivebrakeandclutch.com\/index.php\/product\/2239045-2-inch-bore-brake-master-cylinder-fits-isuzu-f-series-gmc-w7-and-industrial-equipment\/","title":{"rendered":"2239045 2-inch bore Brake Master Cylinder \u2013 Fits Isuzu F-Series, GMC W7, and Industrial Equipment"},"content":{"rendered":"<div class=\"bp-web-listing\" style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; 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<div class=\"bp-content\" style=\"padding-bottom: 10px;\">\n<h1 style=\"font-size: 26px; color: #111; border-bottom: 2px solid #c00000; padding-bottom: 10px; margin-top: 0; letter-spacing: -0.5px; text-transform: uppercase;\">2239045 2-inch bore Brake Master Cylinder \u2013 Fits Isuzu F-Series, GMC W7, and Industrial Equipment<\/h1>\n<p style=\"font-size: 14px; font-weight: bold; color: #666; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 1px;\">Bexar Pro Components: Precision Parts for Uncompromising Performance.<\/p>\n<div style=\"margin-bottom: 25px; font-size: 16px;\">Ensure reliable, heavy-duty braking control with this brand new <strong>Brake Master Cylinder<\/strong> from <strong>Bexar Pro Components<\/strong>. Engineered with a powerful <strong>2-inch bore size<\/strong>, this master cylinder is a direct replacement for critical braking systems found in <strong>Isuzu F-Series medium-duty trucks, GMC W7 tilt cab chassis<\/strong>, and various <strong>industrial equipment<\/strong> vocational applications. Trust in quality that meets or exceeds OEM specifications for casting number <strong>2239045<\/strong>.<\/div>\n<h3 style=\"font-size: 18px; color: #000; margin-bottom: 15px; border-bottom: 1px solid #eee; padding-bottom: 5px;\">Specifications<\/h3>\n<ul style=\"list-style-type: none; padding: 0; margin: 0 0 25px 0;\">\n<li style=\"padding: 8px 0; border-bottom: 1px solid #f4f4f4;\"><strong>Bore Diameter:<\/strong> 2-inch bore size<\/li>\n<li style=\"padding: 8px 0; border-bottom: 1px solid #f4f4f4;\"><strong>Outlet Sizes:<\/strong> 1\/2&#8243;-20 INV and 9\/16&#8243;-18 INV<\/li>\n<li style=\"padding: 8px 0; border-bottom: 1px solid #f4f4f4;\"><strong>Included Sensors:<\/strong> Differential Pressure Switch &amp; Fluid Level Indicator<\/li>\n<li style=\"padding: 8px 0; border-bottom: 1px solid #f4f4f4;\"><strong>Application:<\/strong> Isuzu FSR\/FTR\/FVR\/HTR\/HVR, GMC W7, Industrial Chassis<\/li>\n<li style=\"padding: 8px 0;\"><strong>Technical Resources:<\/strong> <a style=\"color: #c00000; font-weight: bold; text-decoration: underline;\" href=\"2024\/01\/HydroMax_Hydraulic_Brake_Booster_Manual.pdf\" target=\"_blank\" rel=\"noopener\">Hydro-Max Technical Manual (PDF)<\/a><\/li>\n<\/ul>\n<div style=\"font-weight: bold; margin-top: 25px; text-transform: uppercase; font-size: 13px; color: #888; letter-spacing: 0.5px;\">Verified Casting Numbers<\/div>\n<div style=\"border-left: 5px solid #c00000; background-color: #f9f9f9; padding: 15px; margin: 5px 0 30px 0; font-family: 'Courier New', Courier, monospace; font-size: 24px; font-weight: bold; color: #000; box-shadow: inset 2px 2px 5px rgba(0,0,0,0.02);\">\u2022 2239045<\/div>\n<div style=\"border: 2px solid #c00000; padding: 20px; margin: 25px 0; background-color: #fffafa; border-radius: 4px;\"><strong style=\"color: #c00000; text-transform: uppercase; font-size: 16px;\">\u26a0 CRITICAL: Verify Specifications<\/strong><\/p>\n<p style=\"margin-top: 10px; margin-bottom: 0; font-size: 15px;\">To ensure safety, verify that this <strong>2-inch bore size<\/strong> matches your existing unit exactly before purchasing. Brake master cylinder reservoir material and height <strong>may vary<\/strong>, but the core fit and hydraulic function remain identical. <strong>IMPORTANT:<\/strong> Adaptors on the outlet ports <strong>may be needed<\/strong> to fit your specific vehicle\u2019s existing brake lines, as this casting number was utilized across multiple heavy-duty assembly configurations.<\/p>\n<\/div>\n<div style=\"font-size: 20px; font-weight: bold; color: #111; margin-top: 35px;\">Expert Installation &amp; Field Note<\/div>\n<div style=\"background-color: #fcfcfc; border: 1px solid #e5e5e5; padding: 25px; border-radius: 6px; margin-top: 10px; font-style: italic; line-height: 1.5; color: #444;\">\n<p style=\"margin: 0;\">Drawing on <strong>our shop experience specializing in heavy-duty brakes since 1985<\/strong>, we emphasize that pushrod alignment is vital for Isuzu and GMC tilt-cab chassis. Always bench bleed the master cylinder before installation. Ensure the pushrod is perfectly centered; in 2-inch bore systems, even a slight misalignment can lead to premature seal wear under high-pressure fleet operation. For F-Series trucks, double-check that your mounting surface is clean and free of corrosion to ensure a true seal.<\/p>\n<\/div>\n<\/div>\n<div class=\"bp-banner-wrap\" style=\"display: flex; align-items: stretch; border: 4px solid #c00000; margin-top: 40px; border-radius: 6px; overflow: hidden; min-height: 120px; background: #c00000;\">\n<div style=\"flex: 1; padding: 20px; background-color: #ffffff; display: flex; justify-content: center; align-items: center; border-right: 2px solid #c00000;\"><img decoding=\"async\" style=\"width: 240px; height: auto; max-width: 100%;\" src=\"2026\/03\/bexar-pro-01-1.png\" alt=\"Bexar Pro\" \/><\/div>\n<div style=\"flex: 1.5; background-color: #c00000; color: #ffffff; padding: 25px; font-size: 28px; font-weight: 800; display: flex; align-items: center; justify-content: center; text-align: right; letter-spacing: 1px;\">SKU: 10804276-BEX<\/div>\n<\/div>\n<div style=\"text-align: center; margin-top: 30px;\"><a 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\/\" target=\"_blank\" rel=\"noopener\"><br \/>\nOfficial Master Cylinder Installation Guide<br \/>\n<\/a><\/div>\n<div style=\"text-align: center; padding: 20px; font-weight: bold; font-size: 12px; color: #aaa; text-transform: uppercase; letter-spacing: 1px; margin-top: 10px;\">Bexar Pro Components | San Antonio, TX | Since 1985<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>2239045 2-inch bore Brake Master Cylinder \u2013 Fits Isuzu F-Series, GMC W7, and Industrial Equipment Bexar Pro Components: Precision Parts for Uncompromising Performance. Ensure reliable, heavy-duty braking control with this brand new Brake Master Cylinder from Bexar Pro Components. Engineered with a powerful 2-inch bore size, this master cylinder is a direct replacement for critical<\/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":[25,17],"product_tag":[],"class_list":{"0":"post-6179","1":"product","2":"type-product","3":"status-publish","5":"product_brand-bexar-pro-componets","6":"product_cat-master-cylinders-for-hydromax","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>2239045 Master Cylinder | 2-inch Bore | Isuzu FTR FVR GMC W7 | Bexar Pro<\/title>\n<meta name=\"description\" content=\"New 2-inch bore Hydromax Master Cylinder (Casting 2239045). 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