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TGK Motorsport Audi 4.0T Front Thermostat Billet Piping Kit
TGK Motorsport Audi 4.0T Front Thermostat Billet Piping Kit
TGK Motorsport Audi 4.0T Front Thermostat Billet Piping Kit
TGK Motorsport Audi 4.0T Front Thermostat Billet Piping Kit
  • SKU: TGK-0304-07
  • Availability: In stock Usually ships within 5-7 Days Special Order 4-6 Weeks

TGK Motorsport Audi 4.0T Front Thermostat Billet Piping Kit

$407.00

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DESCRIPTION
Overview Eliminate the elusive cold-temperature coolant leak on your Audi 4.0T with the TGK Motorsport Front Thermostat Billet Piping Kit — engineered to replace the factory plastic coolant elbow with a precision-machined 6061 aluminum solution featuring a dual-gasket design for maximum sealing and long-term reliability. The factory Audi 4.0T cooling system utilizes a plastic coolant elbow at the front thermostat housing that is a common failure point. This component relies on a single O-ring to seal against the thermostat housing, which over time becomes prone to hardening, deformation, and leakage — especially under cold start conditions. These leaks are often difficult to trace, leading to recurring coolant loss without an obvious source. Specifications
Material 6061-T6 Aluminum
Application Audi 4.0T Front Thermostat Housing
Sealing Design Dual-Gasket Configuration
Finish Precision CNC Machined
Installation Direct OEM Replacement
Features & Benefits ✓ 6061-T6 Aluminum ConstructionSuperior strength and thermal resistance compared to failure-prone factory plastic elbow. ✓ Dual-Gasket Sealing DesignRedundant seal eliminates coolant leaks even under high-stress conditions and engine aging. ✓ Precision CNC MachinedExact OEM fitment with superior surface finish for optimal gasket sealing performance. ✓ Extreme Thermal Cycling ResistanceBuilt to withstand repeated heat cycles that degrade and crack factory plastic components. ✓ Cold Weather PerformanceMaintains reliable seal during cold starts when factory O-rings become rigid and prone to failure. ✓ Permanent SolutionBuilt to outlast the life of your engine, eliminating recurring coolant leak issues. Frequently Asked Questions Why does the factory thermostat elbow fail? Over time, heat cycling and vibration degrade the OEM plastic elbow and single sealing O-ring. This results in slow coolant leaks, especially during cold temperatures when the rubber O-ring becomes rigid and unable to conform to surface irregularities. How does the dual-gasket design improve sealing? The billet elbow features dual-gasket sealing that provides redundant protection against coolant leaks. Even if one seal begins to degrade, the secondary seal maintains system integrity under high-stress conditions. Is this a direct replacement for the OEM part? Yes, the TGK Motorsport billet piping kit is engineered as a direct OEM replacement with precision CNC machining ensuring exact fitment to the factory thermostat housing. Can this be used for preventative maintenance? Absolutely. Whether you're performing preventative maintenance or chasing down an existing mystery leak, this kit offers a permanent solution that eliminates future coolant elbow failures. Why is this leak difficult to diagnose? The leak occurs at the front of the engine near multiple coolant pathways, making it extremely difficult to trace the source without removing components. The TGK solution eliminates all ambiguity by replacing the entire failure-prone assembly.
DOCUMENTS
AVAILABILITY

Eurosport Performance does not have live inventory. Although we aim shipping out not stocked products within 5 business days, supply constraints, import proceedures and product availability can cause additionnal delays. Please refer to the table below for more accurate details. 

In stock - We have the item in stock at our warehouse and you can expect fulfillment within 24 hours.

Usually ships within 5-7 business days - We must import this product from our supplier or the manufacturer. Standard import proceedures take between 5-7 business days and you can expect fulfillment within 8 business days.

Back ordered - This product is out of stock at our warehouse with units in transit from our supplier. Fulfillment can vary. 

If you wish to have a more accurate ETA, please send us a message at info@es-performance.com and we will respond within 24-48h. 

WARRANTY

12 Months

All products sold by Eurosport Performance are warrantied against manufacturing defects according to the manufacturer's warranty policy*. Warranty does not cover abuse, misuse, damages caused from improper manipulation, normal wear and tear, improper installation, or damages resulting from racing. Warranties only apply to the original owner. If a product is found defective, the customer will receive, at the discretion of Eurosport Performance, a replacement part at no extra cost.

* Conditions may apply. Please visit our Refund Policy or contact us at info@es-performance.com

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