Performance Water Pump Kit for Audi S6 (2020-2025) 2.9L

$519.95

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Mechanical Water Pump & Thermostat Overhaul Kit for 2020-2025 Audi S6 (C8)

What it Does: The Performance Water Pump Kit replaces failing factory cooling and valve components on the 2020-2025 Audi S6 to maintain precise coolant circulation and prevent thermal degradation under heavy boost.

The Stock Audi S6 Water Pump Weakness

The Audi C8 S6 platform exposes its EA839 2.9L twin-turbocharged V6 to rigorous thermal loads. Factory cooling systems suffer from recurrent mechanical pump weeping, premature shaft seal wear, and failure of the integrated vacuum-actuated shroud. Once internal gaskets deteriorate, coolant migrates into associated vacuum lines and solenoids, triggering ECU fault codes, restricted thermal cycling, and unsafe temperature spikes in the cylinder heads.

The Engineering Solution

This master overhaul assembly eliminates weak points by utilizing a reinforced cast-aluminum housing and a precision-balanced aluminum impeller that resists cavitation under elevated RPM. Designed to match OE geometry, the kit includes a direct-fit mechanical belt-driven water pump, matching drive pulley, integrated thermostat assembly, and a replacement coolant pipe. With pre-packaged pneumatic solenoid valves and high-durometer elastomer O-rings, this coordinated package guarantees positive hydraulic sealing and preserves the factory-designed flow dynamics.

What's Included

1 Engine Water Pump Assembly with Pulley
1 Thermostat Assembly
1 Water Coolant Pipe
1 Drive Pulley
2 Solenoid Valves
1 Thermal Pneumatic Valve
O-Ring and Fixing Bolt Hardware Set

Technical Specifications

Fitment	2020-2025 Audi S6
Engine / Chassis	EA839 2.9L Turbo V6 / C8
Stock Output	444 hp / 443 lb-ft
Replaces OEM Part #	9A712101303, 9A712101304, 06M121013D, 06M121013G, 06M121013C, 06M121031D, 06M121031G, N91121903, 06M 121 013G, 9A712111511, PAB121115B, PAC121115, 06M121115, 06M121678H, 06M121678F, 06M121678G, 9A712167800, PAB121678A, 06M121115J, 06M121115G, 06M121115K, 06M121115H, 9A712111510, 06M115401K, 06M115401L, 06M115401F, 06M115401E, 9A711540100, 9A711540105, 9A711540110, PAB115401, PAC115401, 06M117015M, 9A711701530, 06M121083J, 06M121083H, 9A712108300, 9A71210830

Compatibility

2020-2025 Audi S6 (2.9L Mild Hybrid Gas Turbo V6)

Frequently Asked Questions & Fitment Warnings

Does this fit the C8 S6?

Yes, this is a direct fit for the 2020-2025 Audi S6 equipped with the EA839 2.9L engine. This kit does not fit other displacements, naturally aspirated setups, or earlier supercharged/twin-turbo V8 C7 generation engines.

Do I need to perform a cooling system vacuum bleed after installation?

Yes, modern Audi thermal management circuits require refilling with a vacuum bleeder and executing the factory diagnostic bleed procedure to purge air pockets from the cylinder heads.

The Audi Engineering Caliber

Preserve German engineering standards on your twin-turbo executive sedan with precision hardware built to handle high-stress Autobahn endurance without triggering check-engine warnings.