{"product_id":"dorman-m134440-brake-master-cylinder","title":"Dorman M134440 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chrysler and Dodge Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman M134440 brake master cylinder is engineered to restore proper brake hydraulics in select Chrysler and Dodge models. Designed with precision, this aluminum master cylinder includes a reservoir and sensor to ensure consistent brake performance for vehicles like the Chrysler 300M, Concorde, Intrepid, and LHS.\u003c\/p\u003e\u003ch2\u003eKey Features of the Dorman M134440 Brake Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.938 inches for accurate hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for fluid storage and sensor for system monitoring\u003c\/li\u003e\n\u003cli\u003eTwo outlets with rearward outlet size M12 x 1.0 and secondary outlet thread diameter 10 mm\u003c\/li\u003e\n\u003cli\u003eThread pitch of 1.0 ensures secure fitting\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Dorman brake master cylinder (part number M134440) is designed specifically for Chrysler and Dodge vehicles including the 300M, Concorde, Intrepid, and LHS models. The aluminum construction provides strength and resistance to corrosion, extending the service life of the component. The 0.938-inch bore diameter is calibrated to deliver precise hydraulic pressure to the braking system. Equipped with a reservoir and sensor, this master cylinder supports fluid management and brake system monitoring, which are critical for safe vehicle operation. The two outlet ports, including a rearward outlet sized M12 x 1.0 and a secondary outlet with a 10 mm thread diameter, facilitate proper brake line connections. The 1.0 thread pitch ensures compatibility with OEM brake lines.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake hydraulic pressure in Chrysler 300M, Concorde, Intrepid, and LHS\u003c\/li\u003e\n\u003cli\u003eReplaces master cylinders with worn or damaged bores causing brake fluid leaks\u003c\/li\u003e\n\u003cli\u003eResolves brake pedal 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 brake fluid reservoir integrity to prevent contamination and air ingress\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure brake system is properly bled after installation to remove air pockets\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with vehicle model and year before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate brake fluid as specified by the vehicle manufacturer\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; reuse existing hardware or source separately\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 Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable brake system performance. While mounting hardware is not included, the product undergoes quality checks to ensure durability and proper operation. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792091578549,"sku":"BKKX-M134440","price":104.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M134440_Fro_375c06ff-12a3-41c9-9e87-7df409bba322.jpg?v=1774997537","url":"https:\/\/www.partcatalog.com\/products\/dorman-m134440-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}