{"product_id":"denso-221-3509-radiator","title":"Denso 221-3509 Radiator","description":"\u003ch2\u003eOverview of the Denso Radiator for Mazda 5\u003c\/h2\u003e\u003cp\u003eThe Denso 221-3509 radiator is designed specifically for the Mazda 5, providing reliable cooling performance. Engineered with precise core dimensions, this radiator supports efficient heat dissipation to maintain optimal engine temperature.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCore Height: 14.5 inches\u003c\/li\u003e\n\u003cli\u003eCore Width: 25.562 inches\u003c\/li\u003e\n\u003cli\u003eCore Thickness: 0.625 inches\u003c\/li\u003e\n\u003cli\u003eInlet Diameter: 0.937 inches\u003c\/li\u003e\n\u003cli\u003eOutlet Diameter: 0.937 inches\u003c\/li\u003e\n\u003cli\u003eTransmission Oil Cooler: Not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Denso radiator, part number 221-3509, features a core height of 14.5 inches and a width of 25.562 inches, providing a substantial surface area for effective cooling. The core thickness of 0.625 inches ensures durability while allowing sufficient coolant flow. Both the inlet and outlet diameters measure 0.937 inches, matching the Mazda 5’s factory specifications for seamless integration. This radiator does not include a transmission oil cooler, focusing solely on engine cooling functions.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eCompatible with Mazda 5 models, the Denso 221-3509 radiator is engineered to meet the cooling requirements of this vehicle. It is suitable for owners seeking a direct replacement radiator that maintains factory fit and function.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOverheating issues due to radiator core damage or clogging\u003c\/li\u003e\n\u003cli\u003eCoolant leaks from cracked or corroded radiator cores\u003c\/li\u003e\n\u003cli\u003eReduced cooling efficiency causing engine temperature fluctuations\u003c\/li\u003e\n\u003cli\u003ePhysical damage from road debris or accidents\u003c\/li\u003e\n\u003cli\u003eReplacement during engine cooling system upgrades or maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 221-3509 radiator on a Mazda 5, ensure all hose connections match the 0.937-inch inlet and outlet diameters for proper fit. Drain the existing coolant completely before removal and inspect surrounding components such as hoses and clamps for wear. Properly torque mounting bolts to manufacturer specifications to avoid leaks or damage. Bleed the cooling system after installation to remove air pockets and verify coolant flow.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso radiators are manufactured to meet OEM standards, ensuring reliable performance and durability. The 221-3509 radiator undergoes rigorous quality control testing to verify core integrity and fitment accuracy. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43969532297397,"sku":"BBNF-221-3509","price":119.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2213509_Fro.jpg?v=1775007101","url":"https:\/\/www.partcatalog.com\/products\/denso-221-3509-radiator","provider":"PartCatalog","version":"1.0","type":"link"}