Koyorad
Koyorad Radiator

Koyorad A13677 Radiator

Brand Koyorad A13677
Core Height 25.0625
Core Material Aluminum
Core Row Quantity 1
Core Thickness 0.625
Core Width 16.9375
Inlet Diameter 0.688
Outlet Diameter 0.688
Tank Material Plastic
Title Koyorad a13677 radiator
Product line Koyorad Radiator
Fits Hyundai and Kia · 8 vehicles

OE equivalent radiator. Built to match original equipment standards for a direct replacement.

Aluminum core. Helps transfer heat efficiently for dependable cooling performance.

Plastic tanks. Lightweight construction with durable everyday use in mind.

$186.23Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $186.23
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Koyorad A13677 Radiator Overview

The Koyorad A13677 radiator is an OE-equivalent replacement built for hybrid cooling applications in select Hyundai Ioniq and Kia Niro models. It uses an aluminum core with plastic tanks to support efficient heat transfer and reliable fitment for 2017-2020 vehicles listed below.

Koyorad Radiator products focus on direct replacement dimensions and factory-style construction, making this radiator a practical choice for drivers servicing the inverter cooling system on the Hyundai Ioniq and Kia Niro.

Key Features

  • Part number: A13677
  • Aluminum core construction for efficient thermal transfer
  • Plastic tank material for OE-style packaging
  • Single-row core design
  • Core dimensions: 25.0625 in. height, 16.9375 in. width, 0.625 in. thickness
  • Inlet diameter: 0.688 in.
  • Outlet diameter: 0.688 in.
  • Fits inverter cooling applications on select Hyundai Ioniq and Kia Niro models

Detailed Description

Koyorad A13677 is a radiator replacement engineered for direct-fit service on 2017-2020 Hyundai Ioniq and 2017-2020 Kia Niro applications, including inverter-equipped models noted in the fitment data. The aluminum core and single-row layout are paired with plastic tanks to match common OE-style radiator construction while maintaining the specified inlet and outlet sizing. If you are replacing a radiator on a Hyundai Ioniq or Kia Niro, this part number provides a focused fitment match for the listed vehicles.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

  • Coolant leaks from a damaged radiator core or tank
  • Overheating caused by restricted heat exchange
  • Cracked or aged plastic end tanks
  • Corrosion or wear in the original cooling assembly
  • Service replacement for inverter cooling radiator applications

Installation Notes and Tips

Verify the core dimensions, inlet diameter, and outlet diameter against the original unit before installation. Confirm vehicle year, make, model, and inverter application for the Hyundai Ioniq or Kia Niro to ensure the correct radiator is selected. Inspect hoses, clamps, and coolant condition during replacement, and refill the system with the proper coolant specification after installation.

Quality Assurance

Koyorad states that its radiators are built as OE-equivalent replacements using technical manufacturing experience focused on getting the job done correctly on the first service attempt. The A13677 follows that OE-style approach with application-specific fitment for the listed Hyundai and Kia models.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2020HyundaiIoniq1.6LL4—N/AInverter; Koyorad Radiator
2020KiaNiro1.6LL4—N/AInverter; Koyorad Radiator
2019HyundaiIoniq1.6LL4—N/AInverter; Koyorad Radiator
2019KiaNiro1.6LL4—N/AInverter; Koyorad Radiator
2018HyundaiIoniq1.6LL4ELECTRIC/GASN/A—
2018KiaNiro1.6LL4ELECTRIC/GASN/A—
2017HyundaiIoniq1.6LL4ELECTRIC/GASN/A—
2017KiaNiro1.6LL4ELECTRIC/GASN/A—