{"product_id":"centric-131-66031-brake-master-cylinder","title":"Centric 131.66031 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chevrolet, Dodge, and GMC Trucks\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Brake Master Cylinder 131.66031 is engineered to restore precise brake hydraulics in heavy-duty vehicles. Designed specifically for Chevrolet, Dodge, and GMC models like the Ram 2500 and Express 3500, this master cylinder ensures consistent braking performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDurable aluminum master cylinder body with a plastic reservoir\u003c\/li\u003e\n\u003cli\u003eSingle removable reservoir included for easy maintenance\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes for secure installation\u003c\/li\u003e\n\u003cli\u003e1.250 inch (31.75 mm) straight bore diameter for reliable hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eIncludes master cylinder cap; push rod and brake booster not included\u003c\/li\u003e\n\u003cli\u003eTwo ports with inverted flare threads: primary 1\/2\"-20 and secondary 9\/16\"-18\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 a balance of quality and value for brake hydraulics replacement. This product line focuses on standard fitment and reliable materials, such as aluminum construction and plastic reservoirs, to meet OEM specifications. The 131.66031 part number is part of this line, providing a direct replacement option for select Chevrolet, Dodge, and GMC heavy-duty trucks.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder features a straight bore design with a 1.250 inch (31.75 mm) diameter, ensuring consistent hydraulic pressure for effective braking. The aluminum master cylinder body offers corrosion resistance and durability, while the included plastic reservoir is removable for convenient fluid checks and refills. The unit comes with a master cylinder cap but does not include mounting hardware, push rod, brake booster, or bleeder hoses. It has two mounting holes and two outlet ports with inverted flare threads—primary port sized at 1\/2\"-20 and secondary at 9\/16\"-18—compatible with standard brake lines.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChevrolet C3500, K3500, P30, P3500\u003c\/li\u003e\n\u003cli\u003eDodge Ram 2500, Ram 3500\u003c\/li\u003e\n\u003cli\u003eGMC Express 2500, Express 3500, G30, Savana 2500, Savana 3500\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis master cylinder is designed for use in brake hydraulic systems of these heavy-duty trucks, providing reliable stopping power and restoring brake pedal feel.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pedal sinking or sponginess due to internal leaks\u003c\/li\u003e\n\u003cli\u003eLoss of hydraulic pressure affecting braking efficiency\u003c\/li\u003e\n\u003cli\u003eBrake fluid reservoir damage or leaks\u003c\/li\u003e\n\u003cli\u003eCorroded or worn master cylinder bore impacting brake response\u003c\/li\u003e\n\u003cli\u003eReplacement of worn or faulty OEM master cylinders in heavy-duty trucks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with your specific Chevrolet, Dodge, or GMC model before installation\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air\u003c\/li\u003e\n\u003cli\u003eUse proper brake fluid as specified by the vehicle manufacturer\u003c\/li\u003e\n\u003cli\u003eCheck mounting hole alignment and secure firmly using existing hardware (mounting hardware not included)\u003c\/li\u003e\n\u003cli\u003eInspect brake lines and fittings for wear or damage during installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Brake Master Cylinder 131.66031 is manufactured to meet or exceed OEM standards for fit and function. Constructed with durable aluminum and a plastic reservoir, it offers reliable performance in demanding brake hydraulic systems. Warranty details are provided by Centric and typically cover defects in materials and workmanship under normal use.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":43635078037685,"sku":"BKNJ-131.66031","price":78.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_13166031_Fro.jpg?v=1774987563","url":"https:\/\/www.partcatalog.com\/products\/centric-131-66031-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}