{"product_id":"dorman-m630678-brake-master-cylinder","title":"Dorman M630678 Brake Master Cylinder","description":"\u003ch2\u003eOverview of the Dorman Brake Master Cylinder M630678\u003c\/h2\u003e\u003cp\u003eThe Dorman Brake Master Cylinder M630678 is designed specifically for Kia Spectra and Spectra5 models, providing reliable brake hydraulics performance. This master cylinder features an aluminum construction and includes a reservoir and sensor to ensure proper brake system function.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Kia Spectra and Spectra5\u003c\/li\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.938 inches\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for integrated brake system monitoring\u003c\/li\u003e\n\u003cli\u003eFour outlets with rearward outlet sizes M10 x 1.0 and M16 x 1.5\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter M10 x 1.0 and M16 x 1.5\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M630678 brake master cylinder is engineered to meet the specifications of Kia Spectra and Spectra5 vehicles. Its aluminum body offers corrosion resistance and strength, contributing to long-term durability. The 0.938-inch bore diameter is designed to provide consistent hydraulic pressure for effective braking. This master cylinder comes with an integrated reservoir and sensor, allowing for accurate fluid level monitoring and improved safety. The unit features four outlets with precise thread sizes (M10 x 1.0 and M16 x 1.5) to ensure proper connection to the brake lines. Note that mounting hardware is not included, so existing hardware should be inspected or replaced as needed during installation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper brake fluid pressure in Kia Spectra and Spectra5 models\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eResolves brake pedal sinking or sponginess due to internal seal failure\u003c\/li\u003e\n\u003cli\u003eAddresses brake warning light activation related to sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves overall brake system responsiveness and safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with Kia Spectra or Spectra5 before installation\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air\u003c\/li\u003e\n\u003cli\u003eInspect brake lines and fittings for wear or damage during replacement\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools for outlet thread sizes M10 x 1.0 and M16 x 1.5\u003c\/li\u003e\n\u003cli\u003eVerify sensor connection is secure to maintain brake warning system functionality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M630678 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable operation. While mounting hardware is not included, the product undergoes quality checks to ensure performance. Warranty details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792345465013,"sku":"BKKX-M630678","price":136.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630678_Generic.jpg?v=1774997734","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630678-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}