{"product_id":"carter-m4503-mechanical-fuel-pump","title":"Carter M4503 Mechanical Fuel Pump","description":"\u003ch2\u003eReliable Mechanical Fuel Pump for Classic GM Vehicles\u003c\/h2\u003e\u003cp\u003eThe Carter M4503 mechanical fuel pump is engineered to deliver consistent fuel flow and pressure for a range of Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models. Designed with precision, this pump supports vehicles like the Chevrolet Camaro, GMC K10, and Pontiac Firebird, ensuring dependable fuel delivery for optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMechanical fuel pump with 1 inlet and 1 outlet\u003c\/li\u003e\n\u003cli\u003eInlet outside diameter: 8.0 mm with hose-type connection\u003c\/li\u003e\n\u003cli\u003eThreaded outlet fitting sized 1\/2-20 UNF\u003c\/li\u003e\n\u003cli\u003eMinimum flow rating of 25 gallons per hour\u003c\/li\u003e\n\u003cli\u003eOperating pressure range between 3 and 5.5 psi\u003c\/li\u003e\n\u003cli\u003eIncludes gasket or seal for secure installation\u003c\/li\u003e\n\u003cli\u003eMounting hole quantity: 2 (mounting hardware not included)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Carter M4503 mechanical fuel pump is designed for reliable fuel delivery in classic and vintage GM trucks and cars. It features a single inlet with an 8.0 mm outside diameter hose connection and a threaded outlet fitting (1\/2-20 UNF) for secure fuel line attachment. The pump maintains a minimum flow rating of 25 gallons per hour, supporting engine demands while operating within a pressure range of 3 to 5.5 psi. This pump mounts using two holes, and while mounting hardware is not included, a gasket or seal is provided to ensure a leak-free installation.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis mechanical fuel pump is compatible with a variety of GM vehicles, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Skylark and LeMans\u003c\/li\u003e\n\u003cli\u003eChevrolet Bel Air, Camaro, Caprice, El Camino, Impala, Malibu, Nova, and C10\/C20\/C30 trucks and Suburbans\u003c\/li\u003e\n\u003cli\u003eGMC K5 Blazer, K10\/K20 trucks and Suburbans, G10\/G20\/G30 vans\u003c\/li\u003e\n\u003cli\u003eOldsmobile Cutlass and Omega\u003c\/li\u003e\n\u003cli\u003ePontiac Firebird and Tempest\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by the Carter M4503 Fuel Pump\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInconsistent fuel delivery causing engine hesitation or stalling\u003c\/li\u003e\n\u003cli\u003eLow fuel pressure affecting engine performance\u003c\/li\u003e\n\u003cli\u003eFuel leaks due to worn or damaged seals\u003c\/li\u003e\n\u003cli\u003eFailure of original mechanical fuel pump in classic GM trucks and cars\u003c\/li\u003e\n\u003cli\u003eReplacement for pumps with incompatible inlet or outlet fittings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Carter M4503 mechanical fuel pump, ensure the gasket or seal is properly seated to prevent leaks. Use appropriate mounting hardware compatible with the two mounting holes, as hardware is not included. Verify that the inlet hose diameter matches the 8.0 mm specification and that the outlet fuel line fits the 1\/2-20 UNF threaded fitting. Proper torque on mounting bolts and fittings will help maintain a secure and leak-free installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCarter mechanical fuel pumps are manufactured to meet OEM specifications for fit and function. The M4503 part undergoes quality control testing to ensure consistent flow and pressure performance. This product includes a gasket or seal to support proper installation. Warranty details are provided by Carter and typically cover defects in materials and workmanship under normal use.\u003c\/p\u003e","brand":"Carter","offers":[{"title":"Default Title","offer_id":43624427716789,"sku":"BCQS-M4503","price":34.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/5C_M4503_Ang.jpg?v=1774985600","url":"https:\/\/www.partcatalog.com\/products\/carter-m4503-mechanical-fuel-pump","provider":"PartCatalog","version":"1.0","type":"link"}