{"product_id":"koyorad-a13868-radiator","title":"Koyorad A13868 Radiator","description":"\u003ch2\u003eKoyorad A13868 Radiator for Mazda 3\u003c\/h2\u003e\u003cp\u003eThe Koyorad A13868 radiator is an OE-equivalent replacement built for 2019-2021 Mazda 3 applications with an external oil cooler. It uses an aluminum core with plastic tanks to match common factory-style construction and cooling performance requirements.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2019-2021 Mazda 3, N\/A, with external oil cooler\u003c\/li\u003e\n\u003cli\u003eAluminum core construction for efficient heat transfer\u003c\/li\u003e\n\u003cli\u003eSingle-row core design\u003c\/li\u003e\n\u003cli\u003eCore dimensions: 26.5625 in. height x 26.5625 in. width x 0.625 in. thickness\u003c\/li\u003e\n\u003cli\u003e1.3125 in. inlet and outlet diameters\u003c\/li\u003e\n\u003cli\u003ePlastic tank material for OE-style fit and function\u003c\/li\u003e\n\u003cli\u003eKoyorad radiator part number A13868\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eKoyorad Radiator A13868 is engineered as a direct replacement radiator for the Mazda 3 platform listed above. Koyorad focuses on OE-equivalent replacement cooling components, and this radiator follows that approach with a single-row aluminum core, molded plastic tanks, and matched inlet and outlet sizing for straightforward integration into the factory cooling system. If you are searching for a 2019 Mazda 3 radiator, 2020 Mazda 3 radiator, or 2021 Mazda 3 radiator with external oil cooler fitment, this part number is the correct reference to verify.\u003c\/p\u003e\u003cp\u003eThis part cross-references BBB Industries 13868 and MA3010250 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Reasons to Replace\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks from a damaged radiator tank or core\u003c\/li\u003e\n\u003cli\u003eOverheating caused by restricted coolant flow\u003c\/li\u003e\n\u003cli\u003eCorrosion or age-related wear in the cooling system\u003c\/li\u003e\n\u003cli\u003ePhysical damage from road debris or impact\u003c\/li\u003e\n\u003cli\u003eReduced cooling efficiency on a Mazda 3 with external oil cooler\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eConfirm vehicle fitment by year, model, and external oil cooler configuration before installation. Inspect hoses, clamps, and surrounding cooling-system components for wear while replacing the radiator. Verify inlet and outlet hose sizing matches the factory setup, and refill the system with the correct coolant mixture after installation. Bleed air from the cooling system according to Mazda service procedures to help restore proper circulation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eKoyorad builds OE-equivalent radiators using technical manufacturing experience focused on replacement cooling parts. The A13868 is produced to meet the dimensional and material requirements expected for a factory-style radiator replacement on the listed Mazda 3 applications.\u003c\/p\u003e","brand":"Koyorad","offers":[{"title":"Default Title","offer_id":52424692465845,"sku":"GTQS-A13868","price":187.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/KO_A13868_Dia.jpg?v=1777820374","url":"https:\/\/www.partcatalog.com\/products\/koyorad-a13868-radiator","provider":"PartCatalog","version":"1.0","type":"link"}