Part #: A13653

Koyorad A13653 Radiator

Koyorad Radiator
⚙️ 4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Koyorad Radiator
🚗Fitment: Cadillac, ATS
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Koyorad A13653 Radiator for Cadillac ATS

The Koyorad A13653 radiator is an OE-equivalent replacement built for the 2016-2019 Cadillac ATS. It uses an aluminum core with plastic tanks to match the factory-style cooling layout and support dependable heat transfer in daily driving conditions.

Key Features

  • Direct-fit radiator for 2016-2019 Cadillac ATS applications
  • Aluminum core construction for efficient cooling performance
  • Single-row core design
  • Core dimensions: 21.625 in. height, 12.25 in. width, 0.625 in. thickness
  • Inlet diameter: 0.813 in.; outlet diameter: 0.875 in.
  • Plastic tank material for OE-style fit and function
  • Koyorad Radiator line focuses on replacement radiators built to factory-equivalent standards

Detailed Description

Koyorad A13653 is a radiator replacement for Cadillac ATS models from 2016 through 2019, including 2019 Cadillac ATS and 2016-2018 Cadillac ATS applications. As part of the Koyorad Radiator line, this unit is engineered as an OE-style replacement using the technical experience Koyorad applies to cooling system components. The aluminum core and plastic tank construction provide a factory-type solution for restoring proper coolant flow and heat dissipation.

This part number, A13653, is a practical choice when replacing a worn, leaking, or restricted radiator on a Cadillac ATS. The listed core size and hose connection diameters help confirm fitment for the intended vehicle cooling system layout.

What It Helps Address

  • Coolant leaks from a damaged radiator tank or core
  • Overheating caused by reduced radiator efficiency
  • Restricted coolant flow from internal corrosion or blockage
  • Cooling system performance loss after radiator wear
  • Replacement needs after impact or age-related failure

Installation Notes and Tips

Verify hose connection sizes, core dimensions, and vehicle year before installation. For best results, inspect related cooling system parts such as hoses, clamps, thermostat, and coolant condition during radiator replacement. Proper system bleeding after installation helps reduce trapped air and supports stable operating temperatures.

Quality Assurance

Koyorad states that its radiators are built as high-quality OE-equivalent replacements, using manufacturing experience focused on getting the job done correctly the first time. This part cross-references no listed alternate part numbers for the same application.

BrandKoyorad
Part NumberA13653
PositionKoyorad Radiator
Core Height21.625
Core MaterialAluminum
Core Row Quantity1
Core Thickness0.625
Core Width12.25
Inlet Diameter0.813
Outlet Diameter0.875
Tank MaterialPlastic
TitleKoyorad a13653 radiator

This part fits 4 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2019CadillacATSN/AIntercooler Radiator; Koyorad Radiator
2018CadillacATSV3.6LV6N/A
2017CadillacATSV3.6LV6N/A
2016CadillacATSV3.6LV6N/A

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