HomeTYC 18103
Part #: 18103

TYC 18103

⚙️ 31 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Equinox and Terrain
🔄Easy Returns — Return within 60 days for a full refund
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Overview of TYC Radiator Core for Chevrolet Equinox and GMC Terrain

The TYC radiator core, part number 18103, is engineered to provide reliable cooling performance for Chevrolet Equinox and GMC Terrain models. Designed with durable aluminum core material and precise dimensions, this radiator core supports efficient heat dissipation and vehicle operation.

  • Core Material: Aluminum for enhanced heat transfer and corrosion resistance
  • Core Dimensions: 27.36 inches length, 4.66 inches height, and 3.15 inches thickness
  • Flow Configuration: Crossflow design for optimized coolant circulation
  • Headers: Top and bottom headers measuring 3.65 by 4.96 inches
  • Inlet and Outlet: Quick connect type with 2.40-inch diameter for easy hose attachment

Detailed Product Description

The TYC 18103 radiator core features a robust aluminum construction that ensures durability and efficient thermal conductivity. Its crossflow configuration allows coolant to flow horizontally across the core, improving heat exchange and maintaining optimal engine temperature. The core’s dimensions—27.36 inches in length, 4.66 inches in height, and 3.15 inches in thickness—are designed to match the cooling system requirements of Chevrolet Equinox and GMC Terrain vehicles precisely. Both the top and bottom headers measure 3.65 by 4.96 inches, providing structural support and facilitating coolant flow. The quick connect inlet and outlet connections, each with a 2.40-inch diameter, simplify installation and ensure secure hose fittings.

Compatible Vehicles and Applications

  • Chevrolet Equinox radiator core replacement
  • GMC Terrain cooling system repair
  • Addressing overheating issues in Chevrolet Equinox and GMC Terrain
  • Replacement for damaged or leaking radiator cores in specified models
  • Improving coolant flow efficiency in Chevrolet Equinox and GMC Terrain

Installation Notes and Tips

When installing the TYC radiator core 18103, ensure the vehicle is cooled down before beginning work. Verify that the quick connect inlet and outlet hoses are free of debris and securely attached to prevent leaks. Proper alignment of the core with the top and bottom headers is essential for optimal performance. It is recommended to inspect related cooling system components during installation to maintain overall system integrity.

Quality Assurance and Warranty

TYC manufactures this radiator core to meet or exceed OEM specifications for Chevrolet Equinox and GMC Terrain vehicles. The aluminum core material offers resistance to corrosion and wear, contributing to long service life. While specific warranty details are not provided, TYC products typically undergo rigorous quality control to ensure reliability and fitment accuracy.

BrandTYC
Part Number18103
Core MaterialAluminum
Bottom Header3.65x4.96
Core Height (in)4.66
Core Length (in)27.36
Core Thickness (in)3.15
Flow ConfigurationCrossflow
Inlet Connection TypeQuick connect
Inlet Diameter (in)2.40
Outlet Connection TypeQuick connect
Outlet Diameter (in)2.40
Top Header3.65x4.96

This part fits 31 vehicles. Search below:

YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2025ChevroletEquinoxLTSport Utility1.5LL4N/A
2025GMCTerrainBlack EditionSport Utility1.5LL4N/A
2024ChevroletEquinoxPremierSport Utility1.5LL4N/A
2024GMCTerrainBlack EditionSport Utility1.5LL4N/A
2023ChevroletEquinoxRSSport Utility1.5LL4N/A
2023GMCTerrainDenaliSport Utility1.5LL4N/A
2022ChevroletEquinoxPremierSport Utility1.5LL4N/A
2022GMCTerrainAT4Sport Utility1.5LL4N/A
2021ChevroletEquinoxPremierSport Utility1.5LL4N/A
2021GMCTerrainSLTSport Utility1.5LL4N/A
2020ChevroletEquinoxLSSport Utility1.5LL4N/A
2020ChevroletEquinoxLTSport Utility1.5LL4N/A
2020ChevroletEquinoxLSport Utility1.5LL4N/A
2020ChevroletEquinoxPremierSport Utility1.5LL4N/A
2020GMCTerrainSLESport Utility1.5LL4N/A
2020GMCTerrainSLSport Utility1.5LL4N/A
2020GMCTerrainSLTSport Utility1.5LL4N/A
2019ChevroletEquinoxPremierSport Utility1.5LL4N/A
2019ChevroletEquinoxLSport Utility1.5LL4N/A
2019ChevroletEquinoxLSSport Utility1.5LL4N/A
2019ChevroletEquinoxLTSport Utility1.5LL4N/A
2019GMCTerrainSLSport Utility1.5LL4N/A
2019GMCTerrainSLESport Utility1.5LL4N/A
2019GMCTerrainSLTSport Utility1.5LL4N/A
2018ChevroletEquinoxLSSport Utility1.5LL4N/A
2018ChevroletEquinoxLTSport Utility1.5LL4N/A
2018ChevroletEquinoxPremierSport Utility1.5LL4N/A
2018ChevroletEquinoxLSport Utility1.5LL4N/A
2018GMCTerrainSLSport Utility1.5LL4N/A
2018GMCTerrainSLESport Utility1.5LL4N/A
2018GMCTerrainSLTSport Utility1.5LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

84454110

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.