{"product_id":"melling-m55-replacement-oil-pump-for-small-block-chevy-cast-iron-standard-volume-direct-fit","title":"Melling M55 Replacement Oil Pump for Small Block Chevy — Cast Iron, Standard-Volume Direct-Fit","description":"\u003cp\u003e\u003cstrong\u003eThe Melling M55 is a direct-fit internal wet-sump oil pump engineered to restore reliable oil pressure in Small Block Chevy engines using a standard-volume cast iron housing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen an aging oil pump starts to lose efficiency or fails, the Melling M55 offers an economical, vehicle-specific replacement built to original-equipment form and function. This pump is an internal wet-sump design made from cast iron and intended for applications calling for a standard oil volume. It fits Small Block Chevy engines and is supplied individually so you can replace a worn unit without modifying the engine or oiling system.\u003c\/p\u003e\n\n\u003ch3\u003eWill the Melling M55 fit my Small Block Chevy?\u003c\/h3\u003e\n\u003cp\u003eThe M55 is designed for specific Small Block Chevy applications and follows OE mounting and drive dimensions for straightforward installation. Always verify fit by checking your engine’s model year and part cross-reference before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Small Block Chevy engines that require a standard-volume, internal wet-sump pump\u003c\/li\u003e\n  \u003cli\u003eCast iron housing matches OE strength and wear characteristics\u003c\/li\u003e\n  \u003cli\u003eVehicle-specific fit reduces the need for adaptors or machining\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this pump perform compared with the original unit?\u003c\/h3\u003e\n\u003cp\u003eBuilt to restore factory-style performance, the Melling M55 offers comparable pressure and flow to the original equipment pump when installed correctly. Its regular-grade construction focuses on dependable operation under normal driving conditions rather than high-performance or modified applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard-volume design maintains intended oil flow for stock engine tolerances\u003c\/li\u003e\n  \u003cli\u003eCast iron housing resists deformation and provides long-term durability\u003c\/li\u003e\n  \u003cli\u003eMeets the design specifications expected for routine replacement parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about installation and included parts?\u003c\/h3\u003e\n\u003cp\u003eThe pump is sold as a single unit and does not include gaskets or seals, so plan to purchase a compatible gasket kit and a new seal to ensure a leak-free installation. Installation requires typical engine service tools and familiarity with oil pump timing and pickup placement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComes as one replacement pump; gasket or seal not included\u003c\/li\u003e\n  \u003cli\u003eRequires proper alignment with pickup and timing set-up during installation\u003c\/li\u003e\n  \u003cli\u003eBest installed with new fasteners and a fresh gasket or seal for reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this pump suitable for performance or modified engines?\u003c\/h3\u003e\n\u003cp\u003eThe Melling M55 is intended for stock or restoration engines where OE-volume oiling is desired. For high-performance builds, engines with increased clearances, or modified oiling requirements, consider an upgraded or high-volume pump designed for those conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended for stock displacement and stock bearing clearances\u003c\/li\u003e\n  \u003cli\u003eNot specified for elevated flow or high-pressure performance use\u003c\/li\u003e\n  \u003cli\u003eFor modified engines, evaluate high-volume or performance-specific options\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The Melling M55 Replacement Oil Pump is ideal for mechanics, DIY restorers, and classic Small Block Chevy owners seeking a dependable, direct-fit replacement that restores factory oiling characteristics. Choose this pump when you need an OE-style cast iron unit for routine maintenance or engine rebuilds and will supply proper gaskets and seals during installation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the Melling M55 include gaskets or seals?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, the M55 is sold as the pump only; purchase the correct gasket and seal separately for installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this pump in a high-performance Small Block Chevy?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It’s intended for stock-volume applications; choose a high-volume or performance pump for modified engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Melling","offers":[{"title":"Default Title","offer_id":48084160381086,"sku":"B000C4NPHO","price":67.22,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/melling-m55-front-view.jpg?v=1785847801","url":"https:\/\/northtrailauto.ca\/products\/melling-m55-replacement-oil-pump-for-small-block-chevy-cast-iron-standard-volume-direct-fit","provider":"North Trail Auto","version":"1.0","type":"link"}