Nissens 606645 Radiator - Left or Right

Nissens 606645 Radiator Overview

The Nissens 606645 radiator is an aluminum cooling component built for select Audi and Volkswagen applications. It is listed for multiple front-end cooling positions, including left, right, and N/A configurations, with fitment notes that include auxiliary use and models without an oil cooler.

For shoppers searching for a radiator for Audi S3, Volkswagen Golf R, or Volkswagen Golf GTI, this part number 606645 provides a direct-fit reference for specific factory-style applications.

Key Features

• Aluminum radiator construction
• Core dimensions: 7.0866 in. height, 8.4646 in. width, 1.0236 in. length
• Fits select Audi A3, S3, TT, and TTS Quattro applications
• Fits select Volkswagen Golf, Golf R, and GTI applications
• Cross-reference: 5Q0121251HA
• Nissens part number 606645

Fitment Details

• Fits 2022-2024 Audi S3, N/A, dims.: 215x180x26
• Fits 2022-2024 Volkswagen Golf R, right, dims.: 215x180x26
• Fits 2019 Volkswagen Golf R, right, dims.: 215x180x26
• Fits 2021-2023 Audi TTS Quattro, N/A, dims.: 215x180x26
• Fits 2013-2021 Volkswagen Golf, left, without oil cooler
• Fits 2016-2020 Audi A3, left, without oil cooler
• Fits 2018-2020 Audi S3, left, without oil cooler
• Fits 2014-2016 Audi S3, left, without oil cooler
• Fits 2019-2020 Audi TTS Quattro, N/A, auxiliary
• Fits 2016-2018 Audi TT, left, without oil cooler
• Fits 2017-2018 Audi TTS Quattro, left, auxiliary
• Fits 2016-2018 Volkswagen Golf R, right, auxiliary
• Fits 2017 Audi S3, right, auxiliary; to 10/17/2016
• Fits 2017 Audi S3, left, auxiliary
• Fits 2017 Audi TTS Quattro, right, auxiliary; to 10/17/2016
• Fits 2014-2017 Volkswagen GTI, left, without oil cooler
• Fits 2016 Audi TTS Quattro, right, auxiliary; from 05/25/2015
• Fits 2016 Audi TTS Quattro, left, auxiliary; from 05/25/2015
• Fits 2015 Audi TTS Quattro, left, without oil cooler
• Fits 2015 Volkswagen Golf R, right, auxiliary; from 05/25/2015

What This Radiator Helps Address

• Cooling system leaks from a damaged radiator core
• Overheating caused by restricted coolant flow
• Heat transfer loss from corrosion or internal blockage
• Replacement needs after impact damage at the front of the vehicle
• Restoration of factory-style cooling performance on Audi and Volkswagen models

Installation Notes

Verify radiator position, auxiliary status, and the note for vehicles without an oil cooler before ordering. Confirm the core dimensions and compare the original part number 5Q0121251HA to the Nissens 606645 radiator for proper application matching. This part is listed for Audi S3, Audi TTS Quattro, Volkswagen Golf R, Volkswagen Golf, Audi A3, Audi TT, and Volkswagen GTI configurations, so exact vehicle setup matters.

Quality Assurance

Nissens develops and manufactures thermal and engine-efficiency components for the aftermarket, with a focus on consistent product quality across its range. The 606645 radiator reflects that manufacturing approach and is supported by the brand’s OE-style engineering standards.