{"product_id":"dorman-42040-brake-master-cylinder-reservoir-cap","title":"Dorman 42040 Brake Master Cylinder Reservoir Cap","description":"\u003ch2\u003eOverview of Dorman Brake Master Cylinder Reservoir Cap 42040\u003c\/h2\u003e\u003cp\u003eThe Dorman 42040 brake master cylinder reservoir cap is a durable replacement part designed for select Buick, Cadillac, Chevrolet, Dodge, GMC, Oldsmobile, and Pontiac vehicles. Made from sturdy plastic with a rectangular shape, this cap provides a reliable seal for the brake fluid reservoir without requiring an additional gasket or seal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality plastic for durability\u003c\/li\u003e\n\u003cli\u003eRectangular shape designed to match original equipment\u003c\/li\u003e\n\u003cli\u003eNo gasket or seal required for installation\u003c\/li\u003e\n\u003cli\u003eIncludes one brake master cylinder reservoir cap per package\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM and Dodge models including Blazer, Tahoe, C1500, and Bonneville\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 42040 brake master cylinder reservoir cap is engineered to meet or exceed OEM specifications for a secure fit and proper function. Its plastic construction resists corrosion and wear, ensuring long-lasting performance in the brake system. The rectangular design matches the original cap shape found on many GM trucks and cars such as the Chevrolet Blazer, GMC Sierra models, and Cadillac DeVille. This cap does not include a gasket or seal, as it is designed to seal effectively without one, simplifying installation and maintenance.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder reservoir cap is compatible with a wide range of vehicles, including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Century, LeSabre, and Regal\u003c\/li\u003e\n\u003cli\u003eCadillac DeVille, Eldorado, and Seville\u003c\/li\u003e\n\u003cli\u003eChevrolet Blazer, C1500, Suburban, Tahoe, and Malibu\u003c\/li\u003e\n\u003cli\u003eDodge Ram 1500 and 2500\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 1500, 2500, 3500, and Yukon models\u003c\/li\u003e\n\u003cli\u003eOldsmobile Cutlass, Calais, and 98\u003c\/li\u003e\n\u003cli\u003ePontiac Grand Prix, Bonneville, and Firebird\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Reservoir Cap\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePreventing brake fluid contamination from dirt and moisture\u003c\/li\u003e\n\u003cli\u003eMaintaining proper brake fluid pressure and system integrity\u003c\/li\u003e\n\u003cli\u003eReplacing cracked or damaged original reservoir caps\u003c\/li\u003e\n\u003cli\u003eEliminating brake fluid leaks around the master cylinder reservoir\u003c\/li\u003e\n\u003cli\u003eEnsuring a secure seal without the need for additional gaskets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 42040 brake master cylinder reservoir cap is straightforward. Before installing, clean the reservoir opening to remove any debris or old fluid residue. Align the rectangular cap carefully and press down firmly until it seats securely. Since no gasket or seal is required, ensure the cap is fully seated to prevent leaks. Check brake fluid levels after installation and top off if necessary. This part is designed for direct replacement on compatible Buick, Cadillac, Chevrolet, Dodge, GMC, Oldsmobile, and Pontiac models.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet industry standards for quality and reliability. The 42040 brake master cylinder reservoir cap undergoes rigorous testing to ensure proper fit and function. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official documentation for exact warranty terms applicable to this part.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44669007331509,"sku":"BCZF-42040","price":38.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MM_42040_Fro_55f33f5d-def4-40f8-8e90-d8819c85a278.jpg?v=1775078664","url":"https:\/\/www.partcatalog.com\/products\/dorman-42040-brake-master-cylinder-reservoir-cap","provider":"PartCatalog","version":"1.0","type":"link"}