Part #: 13189

One Stop Solutions 13189 Radiator

9 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$135.47Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Kia and Hyundai, Optima and Sonata
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Radiator Replacement for Hyundai Optima and Kia Sonata

The One Stop Solutions radiator part number 13189 is engineered to provide dependable cooling performance for Hyundai Optima and Kia Sonata models. Designed with precise dimensions and quality materials, this radiator supports efficient engine temperature regulation and includes a transmission oil cooler for enhanced vehicle operation.

Key Features of One Stop Solutions Radiator 13189

  • Core dimensions: 18 3/8" height, 18 7/8" width, and 5/8" thickness for optimal heat dissipation
  • Crossflow design with a single core row for effective coolant flow
  • Plastic tanks and PA core material for durability and corrosion resistance
  • Includes concentric transmission oil cooler with 7/8" diameter and 14 9/16" fitting distance
  • Inlet and outlet diameters of 1 3/8" with header lengths of 19 7/16" ensure proper fitment
  • Drop-in replacement with all necessary fittings and hardware for hassle-free installation
  • Components are factory torqued and tested up to three times during production

Detailed Description of Radiator 13189

This radiator is designed specifically for Hyundai Optima and Kia Sonata vehicles, featuring a crossflow core that enhances cooling efficiency by directing coolant horizontally through the core. The core is constructed from PA material, paired with plastic tanks, balancing weight and durability. The inclusion of a concentric transmission oil cooler supports transmission temperature management, which is critical for vehicle longevity. The radiator’s inlet and outlet headers are precisely sized to match OEM specifications, ensuring a secure and leak-free connection. Engineering enhancements address common design limitations found in original equipment, contributing to improved cooling performance and extended service life.

Common Issues Addressed by This Radiator

  • Engine overheating due to inefficient heat exchange
  • Transmission fluid overheating with integrated oil cooler support
  • Leaks or cracks in original radiator tanks or core
  • Reduced cooling capacity from clogged or damaged fins
  • Failure of original radiator components causing vehicle performance issues

Installation Notes and Tips

Installation of the One Stop Solutions radiator 13189 is straightforward with its drop-in fit design. Ensure all fittings and hardware are included and properly torqued to factory specifications. Verify the transmission oil cooler connections are secure to prevent leaks. It is recommended to flush the cooling system before installation to remove debris and contaminants. Check hose diameters and lengths to confirm compatibility with the radiator’s inlet and outlet dimensions.

Quality Assurance and Warranty Information

Each radiator undergoes rigorous testing up to three times during production to ensure reliability and performance. Components are assembled and torqued to meet factory specifications. While specific warranty details are not provided, One Stop Solutions products are manufactured to meet or exceed OEM standards, supporting consistent operation and durability in Hyundai Optima and Kia Sonata vehicles.

BrandOne Stop Solutions
Part Number13189
Cap IncludedNO
Core Height18 3/8
Core MaterialPA
Core Row Quantity1
Core Thickness16
Core Thickness5/8
Core Width18 7/8
Down Flow Or Cross Flow TypeCROSSFLOW
Engine Oil Cooler IncludedNO
Engine Oil Cooler TypeNONE
Inlet Diameter1 3/8
Inlet Header Length19 7/16
Inlet Header Width1 15/16
Outlet Diameter1 3/8
Outlet Header Length19 7/16
Outlet Header Width1 15/16
Tank MaterialPLASTIC
Transmission Oil Cooler Diameter7/8
Transmission Oil Cooler Distance between Fittings14 9/16
Transmission Oil Cooler IncludedYES
Transmission Oil Cooler TypeCONCENTRIC

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015KiaOptima2.0LL4N/A
2014HyundaiSonata2.0LL4N/A
2014KiaOptima2.0LL4N/A
2013HyundaiSonata2.0LL4N/A
2013KiaOptima2.0LL4N/A
2012HyundaiSonata2.0LL4N/A
2012KiaOptima2.0LL4N/A
2011HyundaiSonata2.0LL4N/A
2011KiaOptima2.0LL4N/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:

253103S7008013189A13189CU13189

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