{"product_id":"centric-131-66021-brake-master-cylinder","title":"Centric 131.66021 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chevrolet, Dodge, and GMC Vehicles\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Brake Master Cylinder 131.66021 is engineered to restore precise brake hydraulics for select Chevrolet, Dodge, and GMC trucks and SUVs. Designed with durable aluminum and a plastic reservoir, this master cylinder ensures consistent brake fluid delivery and reliable stopping power.\u003c\/p\u003e\u003ch2\u003eKey Features of the Centric C-TEK Standard Brake Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConstructed with a robust aluminum master cylinder body for durability\u003c\/li\u003e\n\u003cli\u003eIncludes a removable single plastic reservoir for easy maintenance\u003c\/li\u003e\n\u003cli\u003eComes with a master cylinder cap included for a complete assembly\u003c\/li\u003e\n\u003cli\u003eFeatures a stepped bore design with primary bore diameter of 1.575 inches and secondary bore diameter of 1.126 inches\u003c\/li\u003e\n\u003cli\u003eEquipped with two ports: primary outlet thread size 1\/2\"-20 and secondary outlet thread size 9\/16\"-18, both with inverted flare types\u003c\/li\u003e\n\u003cli\u003eDesigned with two mounting holes for secure installation (mounting hardware not included)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the C-TEK Standard Brake Master Cylinder Product Line\u003c\/h2\u003e\u003cp\u003eThe C-TEK Standard Brake Master Cylinder line by Centric focuses on delivering reliable, OEM-quality brake hydraulics components. This product line emphasizes precise fitment and durable materials, such as aluminum master cylinders paired with plastic reservoirs, to meet the demands of daily driving and heavy-duty applications. The 131.66021 part is a direct replacement designed to maintain proper brake system function in compatible Chevrolet, Dodge, and GMC models.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Centric brake master cylinder 131.66021 is designed for vehicles including Chevrolet Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, K1500, K1500 Suburban, K2500, Dodge Ram 1500, and GMC Yukon. The master cylinder features a stepped bore design that optimizes hydraulic pressure distribution between the primary and secondary circuits. The single removable plastic reservoir simplifies brake fluid inspection and replacement. Both primary and secondary outlets have inverted flare threads to ensure secure brake line connections. Note that mounting hardware, brake booster, push rod, bleeder hoses, and mounting bracket are not included with this part.\u003c\/p\u003e\u003ch2\u003eCommon Brake System Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pedal sinking or sponginess due to master cylinder wear\u003c\/li\u003e\n\u003cli\u003eBrake fluid leaks from a damaged or cracked reservoir\u003c\/li\u003e\n\u003cli\u003eUneven braking caused by improper hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eBrake warning light activation related to master cylinder failure\u003c\/li\u003e\n\u003cli\u003eLoss of braking power in Chevrolet, Dodge, or GMC trucks and SUVs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with your specific make and model before installation\u003c\/li\u003e\n\u003cli\u003eUse proper brake fluid and bleed the brake system thoroughly after installation\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; retain original hardware or source separately\u003c\/li\u003e\n\u003cli\u003eInspect brake booster and push rod components as they are not included with this master cylinder\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications for mounting bolts and brake line fittings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric provides this C-TEK Standard Brake Master Cylinder 131.66021 with quality assurance to meet OEM standards. The part is manufactured with precision materials including aluminum and plastic to ensure durability and reliable brake performance. Warranty details should be confirmed with the distributor or manufacturer, as coverage may vary.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":43635073679541,"sku":"BKNJ-131.66021","price":69.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_13166021_Fro_7a3b3056-7458-44bb-a7be-2bc7f9697c6d.jpg?v=1774987561","url":"https:\/\/www.partcatalog.com\/products\/centric-131-66021-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}