{"id":6052,"date":"2026-05-18T20:55:14","date_gmt":"2026-05-18T20:55:14","guid":{"rendered":"https:\/\/automotivebrakeandclutch.com\/index.php\/product\/mc-kit-1mk\/"},"modified":"2026-05-18T20:55:14","modified_gmt":"2026-05-18T20:55:14","slug":"mc-kit-1mk","status":"publish","type":"product","link":"https:\/\/automotivebrakeandclutch.com\/index.php\/product\/mc-kit-1mk\/","title":{"rendered":"MC KIT 1MK"},"content":{"rendered":"

Master Cylinder Repair Kit 1MK \u2013 Fits M1402121 \/ M54484<\/span><\/p>\n

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\n
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Bexar Pro Components: Heavy-Duty Reliability for the Long Haul.<\/p>\n

Maintain your braking system with this brand new **Master Cylinder Repair Kit (1MK)** from **Bexar Pro**. Engineered for high-performance durability, this kit is balanced for both **industrial equipment** and **automotive** applications, focusing on heavy-duty fleet reliability.<\/p>\n

Key Specifications<\/h2>\n
    \n
  • Condition:<\/strong> NEW Repair Kit<\/li>\n
  • Warranty:<\/strong> No warranty on kits<\/li>\n
  • Application:<\/strong> Suitable for medium\/heavy-duty trucks and industrial hydraulic units<\/li>\n<\/ul>\n

    Verified Part Number Compatibility<\/h2>\n

    This kit is a confirmed fit for the following brake master cylinder part numbers:<\/p>\n

      \n
    • M1402121<\/li>\n
    • M54484<\/li>\n
    • M68105<\/li>\n
    • M457266<\/li>\n
    • M276514<\/li>\n<\/ul>\n

      Expert Installation & Field Note<\/h2>\n
      \n

      Based on our shop experience specializing in heavy-duty brakes since 1985, ensure the cylinder bore is free of pitting and verify pushrod alignment during assembly. Cleanliness is critical to prevent premature internal cup damage.<\/p>\n

      \n

      CRITICAL: Verify Specifications<\/p>\n

      Components may differ from the photo due to manufacturer updates. Always verify kit contents against your specific unit requirements before assembly.<\/p>\n<\/div>\n<\/div>\n

      SKU:<\/strong> 1MK<\/p>\n<\/div>\n<\/div>\n<\/div>\n

      \n
      \"Bexar<\/div>\n
      1MK<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

      Master Cylinder Repair Kit 1MK \u2013 Fits M1402121 \/ M54484 Bexar Pro Components: Heavy-Duty Reliability for the Long Haul. Maintain your braking system with this brand new **Master Cylinder Repair Kit (1MK)** from **Bexar Pro**. Engineered for high-performance durability, this kit is balanced for both **industrial equipment** and **automotive** applications, focusing on 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":[27,17],"product_tag":[],"class_list":{"0":"post-6052","1":"product","2":"type-product","3":"status-publish","5":"product_brand-bexar-pro-componets","6":"product_cat-brake-master-cylinder-repair-kits","7":"product_cat-view-all-products","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"\nMaster Cylinder Kit 1MK | Fits Part Numbers M1402121 M54484<\/title>\n<meta name=\"description\" content=\"New master cylinder repair kit 1MK. 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