Koyorad A13027 Radiator

Koyorad A13027 Radiator Overview

The Koyorad A13027 radiator is an OE-equivalent replacement built for Mercedes-Benz cooling system service. It uses an aluminum core with plastic tanks and is specified with a 25.1875-inch core height, 20.1875-inch core width, and 1.0625-inch core thickness for a direct-fit style replacement.

Compatible With Mercedes-Benz applications that use a 1.5-inch inlet and 1.5-inch outlet, this radiator supports factory-style cooling performance for models such as the Mercedes-Benz E300, GLC300, S550, and E53 AMG. The Koyorad Radiator line focuses on replacement fitment and material selection that matches OE service expectations.

Key Features

• OE-equivalent radiator replacement from Koyorad
• Aluminum core construction with plastic end tanks
• Core dimensions: 25.1875 in. height, 20.1875 in. width, 1.0625 in. thickness
• 1.5-inch inlet and 1.5-inch outlet sizing
• Single-row core design for factory-style cooling system service
• Part number A13027 for accurate ordering and catalog lookup

Detailed Description

Koyorad A13027 is a radiator replacement for select Mercedes-Benz vehicles, including 2015-2021 S550 and S600, 2017-2023 GLC43 AMG, 2018-2020 E300, 2019-2021 CLS450 and CLS53 AMG, and 2024-2025 eSprinter applications. It also covers additional Mercedes-Benz models such as E450, E53 AMG, S450, S560, S63 AMG, S65 AMG, GLC300, GLC350e, E400, E43 AMG, Maybach S550, and Maybach S600. The Koyorad A13027 radiator is built as an OE-style replacement for vehicles that require dependable heat transfer and proper hose connection sizing.

This radiator is part of the Koyorad Radiator product line, which is focused on replacement cooling components manufactured with the technical experience needed for accurate fitment and consistent service results. If you are replacing a leaking, clogged, or damaged radiator on a Mercedes-Benz E300 or GLC300, A13027 provides a cataloged solution for the listed applications.

What This Radiator Helps Address

• Coolant leaks from a cracked or aging radiator tank
• Restricted coolant flow caused by internal buildup or blockage
• Overheating from reduced heat dissipation
• Physical damage to the radiator core or end tanks
• Cooling system service on Mercedes-Benz models with external oil cooler notes

Installation Notes and Tips

Verify inlet and outlet diameter, core dimensions, and vehicle-specific cooling layout before installation. This part is listed for Mercedes-Benz applications with external oil cooler notes on many fitments, so confirm the existing radiator configuration against the vehicle’s original equipment. Inspect hoses, clamps, and coolant condition during replacement, and flush the system if contamination or debris is present.

Use the part number A13027 when matching the radiator to your application, especially for Mercedes-Benz E300, GLC300, and S550 fitment searches. Confirm year, model, and cooling package details before ordering.

Quality Assurance

Koyorad states that its radiators are OE-equivalent replacements built from manufacturing experience and technical know-how aimed at getting the job done correctly on the first installation. This product is cataloged as a direct replacement radiator for the listed Mercedes-Benz applications.