Overview
Upgrade your factory plastic coolant fittings with the TGK Motorsport 90° Billet Coolant Elbow — a direct replacement precision-machined from 6061-T6 aluminum for improved durability, heat resistance, and long-term reliability. While the factory 90° coolant elbow may not be a known failure point, it's still constructed from plastic and subjected to constant thermal cycling and pressure.
The TGK Motorsport Billet 90° Elbow is a simple yet effective solution that eliminates plastic from your cooling system and replaces it with a robust, CNC-machined aluminum fitting. Designed to match OEM fitment while offering significantly increased strength and longevity, this upgrade is ideal for anyone refreshing or upgrading their coolant system. Whether you're proactively replacing aging parts or completing a full billet coolant system upgrade, this elbow delivers OEM-style integration with motorsport-grade materials.
Details
Product specifications:
- Material: 6061-T6 Aluminum
- Manufacturing: CNC Machined
- Fitment: Audi 4.0T Engine
- Type: 90° Coolant Elbow
- Installation: Direct OEM Replacement
Features and benefits:
- 6061-T6 Aluminum Construction — Precision-machined from aerospace-grade aluminum for maximum durability and heat resistance.
- Direct OEM Replacement — Perfect fit and finish with factory-style integration and mounting points.
- Enhanced Durability — Eliminates plastic degradation from thermal cycling and constant pressure exposure.
- CNC Machined Precision — Computer-controlled manufacturing ensures consistent quality and perfect dimensional accuracy.
- Motorsport-Grade Materials — Built to withstand high-performance applications and extreme operating conditions.
- Long-Term Reliability — Superior resistance to warping, cracking, and failure compared to factory plastic components.
Fitment
| Years | Make | Model | Engine | Trim |
|---|---|---|---|---|
| 2011-2018 | Audi | A8 | 3.0T | All |
| 2011-2018 | Audi | A8 | 3.0T | All |
| 2012-2014 | Audi | RS6 Avant | 4.0TT V8 | Not sold new in US - grey-market/private-import only. Shares C7 4.0TT V8 platform with S6/S7/RS7 |
| 2012-2015 | Audi | A6 | 2.0T / 3.0T | All |
| 2013-2015 | Audi | S6 | 4.0TT V8 | All |
| 2013-2015 | Audi | S7 | 4.0TT V8 | All |
| 2013-2018 | Audi | A8 | 4.0T | All |
| 2013-2018 | Audi | A8 | 4.0T | All |
| 2013-2018 | Audi | S8 | 4.0TT V8 | All |
| 2013-2018 | Audi | S8 | 4.0TT V8 | All |
| 2014-2015 | Audi | RS7 | 4.0TT V8 | All |
| 2016-2018 | Audi | RS7 | 4.0TT V8 | All |
| 2016-2018 | Audi | S6 | 4.0TT V8 | All |
| 2016-2018 | Audi | S7 | 4.0TT V8 | All |
| 2020-2025 | Audi | S6 | 2.9TT V6 | All |
| 2020-2025 | Audi | S7 | 2.9TT V6 | All |
| 2021-2026 | Audi | RS7 | 4.0TT V8 | All |
