Gates CO34943 Engine Coolant Filler Neck

Gates Coolant Outlet for Hyundai and Kia

The Gates Coolant Outlet CO34943 is an engine coolant filler neck built for select Hyundai and Kia applications. It is designed to match original fit and function while addressing common aftermarket material and design concerns with a cost-effective replacement.

Compatible with 2012-2016 Hyundai Elantra, 2013 Hyundai Elantra Coupe, 2013 Hyundai Elantra GT, 2013 Kia Forte, 2013 Kia Forte5, 2013 Kia Forte Koup, 2016-2018 Kia Forte, 2016-2018 Kia Forte5, and 2016-2017 Kia Forte Koup.

• Brand: Gates Coolant Outlet line
• Part number: CO34943
• Engine coolant filler neck / coolant outlet
• Plastic construction
• 2 bolt holes
• No gasket or seal included in the listed contents
• Outlet dimensions: 1.1 in, 1.14 in, and .19 in inside diameters; 1.31 in, 1.38 in, and .3 in outside diameters
• OE-style fit and performance for listed Hyundai and Kia vehicles

Product Details

Gates Coolant Outlet CO34943 is part of the Gates Coolant Outlet program, which covers water outlets through complete thermostat housing assemblies. This coolant filler neck is engineered to address common issues seen in some aftermarket cooling parts by providing a direct replacement style solution for the listed Hyundai Elantra, Elantra Coupe, Elantra GT, and Kia Forte family applications. If you are replacing a cracked or leaking coolant outlet on a 2012-2016 Hyundai Elantra or a 2013-2018 Kia Forte application, CO34943 offers the correct form and connection points for the cooling system.

This part cross-references Hyundai/Kia OE application 253293X600 for the same application.

Common Replacement Reasons

• Cracked plastic coolant filler neck
• Coolant seepage at the outlet or hose connection
• Damaged bolt mounting points
• Improper sealing from a worn original coolant outlet
• Cooling system service on listed Hyundai Elantra and Kia Forte models

Installation Notes

Verify hose diameters, bolt-hole alignment, and outlet orientation before installation. Inspect the mating surfaces, hoses, and adjacent cooling system components for wear or contamination before reassembly. Because the listed contents do not include a gasket or seal, confirm the required sealing components for your specific vehicle application before beginning the repair.

Quality Assurance

Gates positions this coolant outlet line as an OE-style replacement program focused on fit, function, and long service life for the listed applications. CO34943 is built to meet the needs of drivers servicing Hyundai Elantra and Kia Forte cooling systems with a replacement coolant filler neck.