{"product_id":"raybestos-mc391178-brake-master-cylinder","title":"Raybestos MC391178 Brake Master Cylinder","description":"\u003ch2\u003eOverview of Raybestos MC391178 Brake Master Cylinder\u003c\/h2\u003e\u003cp\u003eThe Raybestos Element3; New Brake Master Cylinder MC391178 is engineered for reliable brake hydraulics performance. Designed specifically for Chevrolet Cobalt and Pontiac G5 models, this master cylinder ensures precise brake fluid control and consistent stopping power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable aluminum for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes with 0.354-inch diameter for secure installation\u003c\/li\u003e\n\u003cli\u003eBore size of 0.875 inches for optimal hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eEquipped with two ports featuring M10x1 and M12x1 thread sizes\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Cobalt and Pontiac G5 brake systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Raybestos MC391178 brake master cylinder is a critical component in the brake hydraulics system, responsible for converting pedal force into hydraulic pressure. Made from aluminum, this master cylinder offers a balance of strength and lightweight design, reducing corrosion risks common in brake components. It features two mounting holes with a precise diameter of 0.354 inches, ensuring a secure fit on compatible vehicles. The bore size of 0.875 inches is designed to deliver consistent fluid displacement, which is essential for maintaining brake responsiveness. Additionally, the master cylinder includes two ports with primary and secondary thread sizes of M10x1 and M12x1 respectively, allowing for proper brake line connections.\u003c\/p\u003e\u003ch2\u003eAbout the Element3; New Product Line\u003c\/h2\u003e\u003cp\u003eThe Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This product line emphasizes material quality and precise engineering, which is evident in the MC391178 master cylinder’s aluminum construction and exacting port thread standards. Element3; New parts are designed to integrate seamlessly with specific vehicle models, such as the Chevrolet Cobalt and Pontiac G5, providing dependable brake system performance.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or leaking brake master cylinders on Chevrolet Cobalt and Pontiac G5\u003c\/li\u003e\n\u003cli\u003eAddresses issues with inconsistent brake pedal feel or sponginess\u003c\/li\u003e\n\u003cli\u003eSolves brake fluid leakage problems due to damaged ports or seals\u003c\/li\u003e\n\u003cli\u003eRestores proper hydraulic pressure for improved braking response\u003c\/li\u003e\n\u003cli\u003ePrevents corrosion-related failures in brake hydraulics\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with Chevrolet Cobalt and Pontiac G5 models before installation\u003c\/li\u003e\n\u003cli\u003eVerify mounting hole alignment and diameter (0.354 inches) for proper fit\u003c\/li\u003e\n\u003cli\u003eUse correct brake line fittings matching M10x1 and M12x1 thread sizes\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air\u003c\/li\u003e\n\u003cli\u003eInspect related brake components for wear during replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos manufactures the MC391178 brake master cylinder to meet stringent quality standards. The aluminum construction and precise machining contribute to long-term durability and reliable brake system operation. While specific warranty details are not provided here, Raybestos products typically come with manufacturer-backed warranties covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44427963203765,"sku":"BDBL-MC391178","price":120.28,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_MC391178_Fro.jpg?v=1775018946","url":"https:\/\/www.partcatalog.com\/products\/raybestos-mc391178-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}