{"product_id":"c4084h-booster-ford-b500-700","title":"C4084H Booster Ford B500-700","description":"\u003cdiv class=\"product-description\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e The \u003cstrong\u003eMidland C4084E vacuum brake booster\u003c\/strong\u003e is a heavy-duty braking component originally used on select Ford medium-duty trucks and buses from 1968 through 1977. Designed for firewall-mounted applications, this booster uses engine vacuum to reduce the amount of pedal effort required to apply the brakes, helping provide smoother, more controlled braking in larger commercial vehicles. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e Because the C4084E was engineered for older Ford truck platforms, maintaining the correct booster configuration is especially important during a restoration or brake system repair. Mounting dimensions, pushrod position, pedal linkage, master cylinder compatibility, and vacuum connections can vary between similar-looking units. Rebuilding the original booster is often the best way to preserve proper fitment and retain the vehicle’s original brake system design. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 style=\"font-size: 18px; margin-top: 24px;\"\u003eVehicle Applications\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e The Midland C4084E brake booster was used on the following firewall-mounted Ford applications: \u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e \u003cstrong\u003e1968–1977 Ford F500, F600, F700 and F750\u003c\/strong\u003e with firewall-mounted brake booster \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e \u003cstrong\u003e1968–1977 Ford B500, B600 and B700\u003c\/strong\u003e with firewall-mounted brake booster \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e \u003cstrong\u003e1968–1977 Ford N500, N600, N700 and N750\u003c\/strong\u003e with firewall-mounted brake booster \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e These applications may include medium-duty trucks, commercial chassis, school buses, service vehicles, utility trucks, delivery trucks and other specialty vehicles built on Ford F-Series, B-Series and N-Series platforms. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 style=\"font-size: 18px; margin-top: 24px;\"\u003eMaster Cylinder Compatibility\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e The C4084E booster is commonly used with the following Midland master cylinder part numbers: \u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e \u003cstrong\u003eC3507SB\u003c\/strong\u003e – Single-system master cylinder \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e \u003cstrong\u003eC3507SF\u003c\/strong\u003e – Split-system master cylinder \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e \u003cstrong\u003eMaster cylinder rebuilding is also available.\u003c\/strong\u003e Rebuilding the booster and master cylinder together can be beneficial when restoring an older braking system, particularly when both components have been in service for many years or have experienced internal corrosion, fluid leakage or long-term storage. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 style=\"font-size: 18px; margin-top: 24px;\"\u003e Common Signs of a Failing Vacuum Booster\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eA brake pedal that feels unusually hard\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eIncreased pedal effort when stopping\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eA hissing sound near the booster or brake pedal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSlow pedal return or inconsistent pedal feel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eVacuum leakage affecting engine idle\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eReduced power-assist performance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e Brake performance can also be affected by the master cylinder, vacuum supply, check valve, hoses, wheel cylinders, hydraulic lines and brake adjustment. The complete brake system should be inspected whenever booster problems are suspected. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 style=\"font-size: 18px; margin-top: 24px;\"\u003eImportant Fitment Information\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e Please verify the part number on your original booster before ordering. Ford used several brake booster and master cylinder combinations during these model years, and application listings alone may not identify every possible variation. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e For the most accurate identification, compare the following details: \u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eOriginal Midland part number\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eMounting bolt pattern\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFirewall mounting configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003ePushrod length and pedal connection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eMaster cylinder mounting pattern\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSingle-system or split-system brake configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e If the identification tag is missing or difficult to read, photographs of the booster, mounting flange, pushrod, master cylinder mounting surface and overall unit can help confirm the correct application. \u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eThe Midland C4084E is an important part of the original braking system used on many classic Ford medium-duty vehicles. Whether you are restoring a vintage work truck, repairing a commercial chassis or keeping an older fleet vehicle in service, rebuilding the correct original booster can help preserve proper fitment and dependable power-assisted braking.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-top: 24px;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" loading=\"lazy\" alt=\"Midland C4084E vacuum brake booster for 1968 to 1977 Ford medium-duty trucks\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0819\/9290\/9049\/files\/c4084_midland_booster.png?v=1783521515\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e \u003cstrong\u003eNote:\u003c\/strong\u003e Professional installation is recommended. Always inspect and test the complete braking system before returning the vehicle to service. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland","offers":[{"title":"Default Title","offer_id":48645825200377,"sku":"BBC4084H","price":479.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/9290\/9049\/files\/E4084E_Midland_Booster_Ford_Trucks__89056_42e31c3e-87e7-42f8-a9d2-bf0b90f42547.jpg?v=1783458988","url":"https:\/\/acemotorparts.com\/products\/c4084h-booster-ford-b500-700","provider":"Ace Motor Parts","version":"1.0","type":"link"}