Audi/Porsche EA839 3.0T Thermostat Assembly - Billet Aluminum Upgrade

Billet Aluminum Thermostat Housing for Audi EA839 Platforms - Precision CNC-Machined Upgrade

Upgrade your Audi engine with our precision CNC-machined billet aluminum thermostat housing. Designed specifically for the EA839 platform, this direct replacement eliminates the common failure point of the factory plastic thermostat housing.

Common symptoms of failing thermostat housing:

• Coolant leaks in engine valley
• Low coolant level warnings
• Overheating or temperature fluctuations
• Visible cracks in plastic housing
• Coolant smell from engine bay

Features:

• CNC-machined from solid 6061-T6 billet aluminum
• Anodized finish for corrosion resistance
• EA839 fitment
• Direct bolt-on replacement for OEM plastic housing
• Precision-engineered and tested in the USA
• Eliminates plastic failure point
• Compatible with OEM and aftermarket thermostats
• Includes necessary hardware and seals

What's Included

• German Performance Solutions Billet Aluminum Thermostat Assembly
• Genuine Audi Water Pump (06M 121 012 B)
• OEM Water Pump Gasket (06M 121 119)
• OEM Thermostat Seals & O-Rings (Included with Thermostat Assembly)
• OEM Installation Hardware (Included)

Note: OEM hardware and sealing components are supplied where applicable. Part numbers may supersede based on VIN and production date.

Vehicle Compatibility

• 2018-2025 Audi S4 (B9/B9.5) 3.0T
• 2018-2025 Audi S5 Coupe (B9/B9.5) 3.0T
• 2018-2025 Audi S5 Sportback (B9/B9.5) 3.0T
• 2018-2025 Audi S5 Cabriolet (B9/B9.5) 3.0T
• 2018-2025 Audi SQ5 (FY/FY.5) 3.0T

Fits EA839 3.0T turbocharged V6 engines. Verify compatibility by VIN before ordering.