{"product_id":"dorman-m39677-brake-master-cylinder","title":"Dorman M39677 Brake Master Cylinder","description":"\u003ch2\u003eBrake Master Cylinder for Vanagon\u003c\/h2\u003e\u003cp\u003eThis Dorman brake master cylinder is built for specific Volkswagen Vanagon applications and is engineered to match the original unit’s design, function, and performance. It uses new, high-quality materials and a cast iron body for a durable hydraulic brake replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Dorman\u003c\/li\u003e\n\u003cli\u003ePart number: M39677\u003c\/li\u003e\n\u003cli\u003eBrake master cylinder for brake hydraulics service\u003c\/li\u003e\n\u003cli\u003e0.938 in. bore diameter\u003c\/li\u003e\n\u003cli\u003eCast iron master cylinder construction\u003c\/li\u003e\n\u003cli\u003eTwo outlets with M10 x 1.0 rearward outlet thread\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter: 10 mm\u003c\/li\u003e\n\u003cli\u003eReservoir not included\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eFits 1980-1991 Volkswagen Vanagon, N\/A. Notes: Fits 15\/16\" bore size drum brakes on multiple vehicle models.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eFor Volkswagen Vanagon brake repair, this master cylinder is a direct replacement choice for restoring hydraulic pressure at the brake pedal. The Dorman M39677 is built to the same general design and outlet layout used on the original master cylinder, making it a practical option when replacing a worn, leaking, or internally bypassing unit. This part cross-references Beck\/Arnley 072-8089 and TYC 97071 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLow or sinking brake pedal caused by internal master cylinder wear\u003c\/li\u003e\n\u003cli\u003eBrake fluid leakage from a failing hydraulic housing\u003c\/li\u003e\n\u003cli\u003eUneven brake response from pressure loss in the master cylinder\u003c\/li\u003e\n\u003cli\u003eBrake warning concerns tied to degraded hydraulic performance\u003c\/li\u003e\n\u003cli\u003eRestoration of proper brake system pressure on Volkswagen Vanagon models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify bore size, outlet thread size, and reservoir configuration before installation. This unit does not include a reservoir or mounting hardware, so reuse or source the required components as needed. After installation, bleed the brake system thoroughly and confirm a firm pedal before returning the vehicle to service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this master cylinder as a new replacement part using high-quality materials and OE-style engineering for the listed Volkswagen Vanagon applications. The cast iron construction and matched outlet configuration support consistent brake hydraulic performance.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52431298232501,"sku":"BKKX-M39677","price":167.72,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39677_Fro.jpg?v=1777853336","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39677-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}