Audi S6/S7 Radiator 4G0121251E

OEM Part #: 4G0-121-251-E (4G0121251E)

This page covers one exact OEM part number. Every unit we stocked has sold.

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Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:

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The OEM radiator with part number 4G0121251E is a crucial component for maintaining optimal cooling performance in 2013-2018 Audi S6 and S7 models equipped with the 4.0L V8 engine. Acting as the main heat exchanger, it regulates engine temperature, preventing overheating and potential damage. Common issues such as leaks or ineffective cooling can lead to engine strain, making this authentic part essential for reliable performance. It fits perfectly within the engine bay, ensuring a seamless installation. This genuine part efficiently replaces worn or malfunctioning radiators, restoring your vehicle's cooling system to factory standards. Compatible alternative part numbers include 4G0260403Q and 4H0121445K.

Specifications

Specifications for Radiator 4G0121251E
Fits Vehicle ModelS6, S7
Fits Vehicle MakeAudi
OEM Part No4G0-121-251-E (4G0121251E)
CategoryRadiator / Coolant

Compatible Vehicles

Fits 11 vehicle configurations across 1 make, 2013-2018.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Audi

  • S6 2013-2018 · 6 variants
  • S7 2013-2018 · 5 variants
View all 11 vehicle configurations
Full vehicle fitment list for Radiator 4G0121251E
Year Make Model Trim Engine Note
2013 Audi S6 Sedan 4.0L V8 Turbo
2013 Audi S7 Hatchback 4.0L V8 Turbo
2014 Audi S6 Sedan 4.0L V8 Turbo
2014 Audi S7 Hatchback 4.0L V8 Turbo
2015 Audi S6 Sedan 4.0L V8 Turbo
2016 Audi S6 Sedan 4.0L V8 Turbo
2016 Audi S7 Hatchback 4.0L V8 Turbo
2017 Audi S6 Sedan 4.0L V8 Turbo
2017 Audi S7 Hatchback 4.0L V8 Turbo
2018 Audi S6 Sedan 4.0L V8 Turbo
2018 Audi S7 Hatchback 4.0L V8 Turbo

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