{"product_id":"trw-pmk479-brake-master-cylinder","title":"TRW PMK479 Brake Master Cylinder","description":"\u003ch2\u003eOverview of TRW PMK479 Brake Master Cylinder\u003c\/h2\u003e\u003cp\u003eThe TRW PMK479 brake master cylinder is engineered for reliable brake hydraulics performance in select Mercedes-Benz models. Designed with precision, this component ensures consistent brake pressure and responsiveness for vehicles like the Mercedes-Benz C230, C280, CLK320, and SLK230.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable aluminum for strength and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes dust boot and gasket\/seal for protection and leak prevention\u003c\/li\u003e\n\u003cli\u003eFeatures a straight bore design with dual pistons for balanced braking\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes with 8.8 mm diameter for secure installation\u003c\/li\u003e\n\u003cli\u003eThree ports with M12 - 1.0 thread size for primary and secondary outlets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe TRW PMK479 brake master cylinder is built with a 19.05 mm primary bore diameter and a larger 23.81 mm secondary bore diameter, optimizing hydraulic pressure distribution. The aluminum master cylinder body offers durability while maintaining a lightweight profile. This unit comes with a dust boot and gasket or seal included to protect internal components and maintain system integrity. It does not include a reservoir, brake booster, push rod, or mounting hardware, so these components must be sourced separately if needed. The master cylinder features two mounting holes with an 8.8 mm diameter, ensuring compatibility with the specified Mercedes-Benz models.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder is compatible with the following Mercedes-Benz vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMercedes-Benz C230\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz C280\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CLK320\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz SLK230\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to replace the original equipment part and restore proper brake hydraulic function in these models.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by TRW PMK479\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 around the master cylinder seals\u003c\/li\u003e\n\u003cli\u003eUneven brake pressure causing inconsistent braking performance\u003c\/li\u003e\n\u003cli\u003eFailure of the master cylinder bore leading to reduced braking efficiency\u003c\/li\u003e\n\u003cli\u003eCorrosion or damage to the master cylinder body affecting brake hydraulics\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the TRW PMK479 brake master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic pressure. Since mounting hardware and reservoir are not included, verify compatibility with existing components or acquire necessary parts separately. Inspect the brake booster and push rod for wear or damage during installation. Use the included gasket or seal to prevent leaks and ensure a secure fit. Follow manufacturer torque specifications for mounting bolts to avoid damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eTRW manufactures the PMK479 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and included seals contribute to long-term reliability. While specific warranty details are not provided, TRW products typically come with a limited warranty covering defects in materials and workmanship. Refer to TRW documentation for exact warranty terms.\u003c\/p\u003e","brand":"TRW","offers":[{"title":"Default Title","offer_id":52038819119285,"sku":"DJVT-PMK479","price":161.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TW_PMK479_Fro.jpg?v=1775101711","url":"https:\/\/www.partcatalog.com\/products\/trw-pmk479-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}