Dayco 72893 Radiator Coolant Hose - Lower or Lower - Connector To Engine

Curved Radiator Hose for Hyundai and Kia

Dayco Curved Radiator Hose 72893 is a lower coolant hose built for specific Hyundai and Kia applications. Made from EPDM rubber and finished in black, it follows the routing needed for a clean coolant connection in the engine cooling system.

This Dayco 72893 hose is listed for 2016-2020 Kia Optima, lower, and 2015-2017 Hyundai Sonata, lower - connector to engine. It is a single I.D. hose with 1 3/8 in. inside diameter at both ends and is built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications.

Key Features

• Brand: Dayco Curved Radiator Hose
• Part number: 72893
• EPDM construction for coolant hose service
• Black finish
• Single I.D. hose design
• 1 3/8 in. inside diameter at both ends
• Built to SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Lower hose application for select Kia Optima and Hyundai Sonata models

Product Details

Dayco 72893 is part of the Curved Radiator Hose line, a product line focused on formed coolant hoses that match the routing and connection points used in vehicle cooling systems. This hose is shaped for lower radiator service and uses EPDM material for coolant exposure and underhood temperature conditions. The hose dimensions, including 1 3/8 in. inside diameter at both ends and matching outside diameters of 1 27/32 in., support direct replacement use on the listed vehicles.

Compatible With 2016-2020 Kia Optima, lower, and 2015-2017 Hyundai Sonata, lower - connector to engine. If you are replacing a worn lower radiator hose on a Kia Optima or Hyundai Sonata, Dayco 72893 provides the correct curved hose profile for those applications.

Common Problems This Hose Can Address

• Coolant leaks from a cracked or aged lower radiator hose
• Softening, swelling, or collapse of the hose under heat and pressure
• Improper hose routing after cooling system service
• Loss of coolant from a damaged connector-to-engine hose section
• Cooling system maintenance on a Kia Optima or Hyundai Sonata

Installation Notes and Tips

Verify the hose routing, end diameters, and position before installation. Match the lower hose location on the vehicle and confirm the connection points are clean and free of debris before transferring coolant system components. This hose does not include a heat shield or protective sleeve.

For fitment-specific service, confirm the vehicle year and position against the listing: Fits 2016-2020 Kia Optima, Lower; Fits 2015-2017 Hyundai Sonata, Lower - Connector To Engine. Part number 72893 should be matched to the exact cooling system application before installation.

Quality Assurance

Dayco manufactures this radiator coolant hose to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications for cooling system hose service. The EPDM construction and formed design support consistent fitment on the listed Hyundai and Kia applications.