{"product_id":"centric-131-66045-brake-master-cylinder","title":"Centric 131.66045 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chevrolet and GMC Trucks\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Brake Master Cylinder 131.66045 is engineered to restore precise brake control for select Chevrolet and GMC heavy-duty trucks. Designed with durable aluminum and a plastic reservoir, this master cylinder ensures consistent hydraulic pressure for safe braking performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Chevrolet Silverado, Sierra, Avalanche, Suburban, and GMC Sierra, Savana, Yukon XL models\u003c\/li\u003e\n\u003cli\u003eIncludes a removable single plastic reservoir with cap\u003c\/li\u003e\n\u003cli\u003eAluminum master cylinder body with a 1.438 inch (36.513 mm) straight bore diameter\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes for secure installation\u003c\/li\u003e\n\u003cli\u003ePrimary and secondary outlet threads sized 1\/2\"-20 inverted flare\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the C-TEK Standard Brake Master Cylinder Line\u003c\/h2\u003e\u003cp\u003eThe C-TEK Standard Brake Master Cylinder line by Centric offers reliable replacement parts designed to meet or exceed OEM specifications. This product line focuses on standard master cylinders that provide consistent hydraulic performance and durability for brake systems in heavy-duty trucks. The 131.66045 model is part of this line, delivering a balance of quality materials and precise engineering for Chevrolet and GMC applications.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder features an aluminum body for strength and corrosion resistance, paired with a plastic reservoir that is removable for easy maintenance. The bore diameter measures 1.438 inches (36.513 mm), with a straight bore type to ensure smooth hydraulic fluid flow. It includes a master cylinder cap but does not come with mounting hardware, brake booster, push rod, or bleeder hoses. The unit has two ports with 1\/2\"-20 inverted flare threads for both primary and secondary outlets, supporting secure brake line connections.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake hydraulic pressure in Chevrolet Silverado 1500 HD and GMC Sierra 2500 HD trucks\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake pedal sponginess or failure\u003c\/li\u003e\n\u003cli\u003eAddresses brake fluid reservoir leaks with a durable plastic reservoir design\u003c\/li\u003e\n\u003cli\u003eImproves brake system reliability in Chevrolet Express 3500 and GMC Savana 3500 vans\u003c\/li\u003e\n\u003cli\u003eSupports brake system maintenance for heavy-duty trucks like the Chevrolet Avalanche 2500 and GMC Yukon XL 2500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your specific Chevrolet or GMC 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\u003eNote that mounting hardware and push rod are not included and may need to be reused or purchased separately\u003c\/li\u003e\n\u003cli\u003eEnsure all brake line fittings match the 1\/2\"-20 inverted flare thread specifications\u003c\/li\u003e\n\u003cli\u003eInspect brake booster and related components as they are not included with this master cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Brake Master Cylinder 131.66045 is manufactured to meet OEM standards for fit and function. While specific warranty details are not provided, Centric products typically undergo rigorous quality control to ensure durability and performance in demanding brake system applications.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":43635080036533,"sku":"BKNJ-131.66045","price":113.18,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_13166045_Fro_4be8c635-2311-437b-900e-f1aba3e62e66.jpg?v=1774987564","url":"https:\/\/www.partcatalog.com\/products\/centric-131-66045-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}