{"product_id":"raybestos-mc39177","title":"Raybestos MC39177 Brake Master Cylinder","description":"\u003ch2\u003eRaybestos MC39177 Limited Supplier Warranty\u003c\/h2\u003e\u003cp\u003eProfessional Grade™ hydraulic brake master cylinders use both aluminum and iron castings for an exact match to the original equipment design. Technically advanced components ensure safe and reliable braking, so your customers can be certain that their replacement brakes will perform as good as the original equipment. Professional Grade™ master cylinders have a smoother bore finish than a typical economy master cylinder. The rougher finish of the economy master cylinder bore can cause premature wear of the rubber seals, which can lead to loose pieces of rubber entering and compromising the ABS system. Inferior rubber components, as they deteriorate and flake off, can also lead to expensive ABS repairs. Only high quality EPDM (Ethylene Propylene) and SBR (Styrene Butadiene) rubber compounds are used when manufacturing a Professional Grade™ master cylinder. The bleeder screws of Professional Grade™ master cylinders are hardened utilizing a durable Trivalent coating to prevent corrosion. All Raybestos(R) brand hydraulic brake master cylinders and components meet or exceed OE performance and meet the reliability and performance requirements of SAE J1153 and J1154.\u003c\/p\u003e\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDependable operation and leak-free performance: 100 percent pressure tested; meet sae j1153 and j1154 requirements for reliability and performance\u003c\/li\u003e\n\u003cli\u003eTechnically advanced components ensure safe and reliable braking\u003c\/li\u003e\n\u003cli\u003eBore size and finish matches oe: prevents fluid bypass, which can cause loss of hydraulic pressure; extended service life\u003c\/li\u003e\n\u003cli\u003eNew piston assembly and return spring: prevents brake drag, which can overheat the caliper and rotor; increased pad life\u003c\/li\u003e\n\u003cli\u003eEpdm and sbr rubber components: meet sae specs and are compatible with brake fluid; resist heat, corrosion and leakage\u003c\/li\u003e\n\u003cli\u003eHardened zinc dichromate bleeder screws: trivalent coating; extra protection, added durability and longer service life\u003c\/li\u003e\n\u003cli\u003eMaterials and design match oe: vehicle specific designs (cast iron or aluminum); no stress on the brake booster mounting\u003c\/li\u003e\n\u003cli\u003eLimited Supplier Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eLimited Supplier Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e8.97 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e11 x 7.38 x 5.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRaybestos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003eMC39177\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e030999093738\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cstyle\u003e\n.product-faq { margin: 2rem 0; }\n.product-faq__title { font-size: 1.25rem; margin-bottom: 1rem; }\n.faq-item { border: 1px solid #ddd; border-radius: 4px; margin-bottom: 0.5rem; }\n.faq-item__question { padding: 0.75rem 1rem; font-weight: 600; cursor: pointer; }\n.faq-item__answer { padding: 0 1rem 0.75rem; }\ndetails.faq-item \u003e summary { list-style: none; }\ndetails.faq-item \u003e summary::-webkit-details-marker { display: none; }\n.related-items-table { width: 100%; border-collapse: collapse; margin: 1rem 0; }\n.related-items-table th, .related-items-table td { border: 1px solid #ddd; padding: 0.5rem; text-align: left; vertical-align: top; }\n.related-items-table th { background: #f7f7f7; }\n\u003c\/style\u003e\u003csection class=\"product-faq\" aria-label=\"Frequently asked questions\"\u003e\u003ch2 class=\"product-faq__title\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary class=\"faq-item__question\"\u003eHow do I verify fitment before ordering?\u003c\/summary\u003e\u003cdiv class=\"faq-item__answer\"\u003e\u003cp\u003eCompare manufacturer part number MC39177 against your existing part and your vehicle or equipment. Contact us with your make, model, and year if you need help confirming compatibility.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"faq-item\"\u003e\u003csummary class=\"faq-item__question\"\u003eHow much does this product weigh?\u003c\/summary\u003e\u003cdiv class=\"faq-item__answer\"\u003e\u003cp\u003eThis item weighs approximately 8.97 lb.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003c\/section\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Product\",\"name\":\"Raybestos MC39177 - Hardware- Hydraulics\",\"description\":\"Professional Grade™ hydraulic brake master cylinders use both aluminum and iron castings for an exact match to the original equipment design. Technically advanced components ensure safe and reliable braking, so your customers can be certain that their replacement brakes will perform as good as the original equipment. 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All Raybestos(R) brand hydraulic brake master cylinders and components meet or exceed OE performance and meet the reliability and performance requirements of SAE J1153 and J1154.\",\"sku\":\"R42MC39177\",\"mpn\":\"MC39177\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Raybestos\"},\"image\":\"https:\/\/sdk.vehiclepartimages.com\/ImageServerAPI?File=RAY\/Images\/MC39177-1.jpg\",\"offers\":{\"@type\":\"Offer\",\"url\":\"https:\/\/www.rvautoparts.com\/products\/raybestos-mc39177\",\"priceCurrency\":\"USD\",\"price\":\"126.95\",\"availability\":\"https:\/\/schema.org\/InStock\",\"seller\":{\"@type\":\"Organization\",\"name\":\"RV \u0026 Auto Parts\"}}},{\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How do I verify fitment before ordering?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compare manufacturer part number MC39177 against your existing part and your vehicle or equipment. 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