{"product_id":"dayco-73034-radiator-coolant-hose-lower","title":"Dayco 73034 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eCurved Lower Radiator Hose for Mazda 5\u003c\/h2\u003e\u003cp\u003eDayco 73034 is a curved radiator coolant hose built for the lower cooling circuit on select Mazda 5 models. It uses EPDM construction with a black finish and a protective sleeve to help manage underhood exposure in the radiator hose routing.\u003c\/p\u003e\u003cp\u003eCompatible with 2012-2015 Mazda 5, lower, this Dayco Curved Radiator Hose is shaped for the application-specific bend needed in the cooling system. The dual I.D. hose design measures 1 3\/16 in. at one end and 1 1\/4 in. at the other, with outside diameters of 1 9\/16 in. and 1 21\/32 in. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDayco Curved Radiator Hose line for application-specific cooling system routing\u003c\/li\u003e\n\u003cli\u003eFits 2012-2015 Mazda 5, lower\u003c\/li\u003e\n\u003cli\u003eEPDM rubber construction for radiator coolant service\u003c\/li\u003e\n\u003cli\u003eDual I.D. hose with 1 3\/16 in. and 1 1\/4 in. end diameters\u003c\/li\u003e\n\u003cli\u003eProtective sleeve included for added surface protection\u003c\/li\u003e\n\u003cli\u003eBlack finish for a clean OE-style appearance\u003c\/li\u003e\n\u003cli\u003eBuilt to SAE J20R4 Class D-1 and SAE J1684 Type EC standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDayco 73034 is a lower radiator coolant hose for the Mazda 5 that follows the curved routing required in the vehicle’s cooling system. The EPDM hose material is commonly used in coolant applications, while the dual I.D. design supports the different connection sizes found at each end of the hose path. If you are replacing a worn or leaking lower hose on a 2012, 2013, 2014, or 2015 Mazda 5, this part number 73034 provides the correct shape and connection sizing for the listed application.\u003c\/p\u003e\u003cp\u003eThe Dayco Curved Radiator Hose product line focuses on formed hose geometry for direct-fit cooling system service. Part number 73034 is a fitment-based replacement for the lower radiator hose on the Mazda 5, helping restore proper coolant flow through the engine cooling circuit.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks from a cracked or aged lower radiator hose\u003c\/li\u003e\n\u003cli\u003eSoftening, swelling, or deterioration of the original EPDM hose\u003c\/li\u003e\n\u003cli\u003eImproper hose routing caused by a damaged formed hose\u003c\/li\u003e\n\u003cli\u003eCooling system seepage at the hose connection points\u003c\/li\u003e\n\u003cli\u003eLoss of coolant circulation through the lower radiator line\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle is a 2012-2015 Mazda 5 with lower hose placement before ordering. Match the hose orientation and end diameters to the original part, and inspect the mating necks, clamps, and nearby cooling components for wear before installation. Allow the engine to cool fully and drain coolant as needed before removing the existing hose.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eThis hose is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC requirements, supporting standardized coolant hose performance for the listed application. Dayco part number 73034 is built for the specified Mazda 5 fitment and cooling-system service use.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":51996179366069,"sku":"BCWL-73034","price":41.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_73034_Fro.jpg?v=1775165804","url":"https:\/\/www.partcatalog.com\/products\/dayco-73034-radiator-coolant-hose-lower","provider":"PartCatalog","version":"1.0","type":"link"}