TGK Motorsport Audi 4.0T Front Billet Coolant Piping - 45 Degree Elbow

TGK Motorsport

TGK Motorsport Audi 4.0T Front Billet Coolant Piping - 45 Degree Elbow

Name: TGK Motorsport Audi 4.0T Front Billet Coolant Piping - 45 Degree Elbow
Brand: TGK Motorsport
SKU: TGK-ENG-01
Price: 229.99 USD
Availability: InStock

$229.99

Select Your Model: S6/S7

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Sku: TGK-ENG-01
Available: Instock
Collections: Audi, Engine, ON SALE
Type: Cooling

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Description

Overview

Eliminate a known source of coolant leaks with the TGK Motorsport 45° Billet Coolant Elbow — precision-machined from 6061-T6 aluminum and engineered with a dual-gasket sealing system for maximum reliability under pressure and temperature extremes.

The factory 45° coolant elbow on the Audi 4.0T platform uses a single O-ring and a plastic housing — a combination that's prone to failure over time due to heat cycling, vibration, and material fatigue. Cold weather start-ups often reveal slow leaks originating from this joint, which can be difficult to trace and progressively worsen with age. TGK Motorsport's solution replaces the OEM plastic part with a robust 6061-T6 billet aluminum elbow designed for long-term performance. Most importantly, it features a dual-gasket design that offers redundant sealing to eliminate coolant seepage and provide peace of mind — whether on a daily commute or under wide-open throttle. This is a must-have upgrade for anyone chasing down mystery coolant loss or proactively refreshing their 4.0T cooling system.

Specifications

Material	6061-T6 Billet Aluminum
Angle	45 Degrees
Sealing System	Dual-Gasket Design
Application	Audi 4.0T Front Coolant System
Installation Instructions	Available Online

Features & Benefits

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6061-T6 Billet Aluminum ConstructionPrecision-machined from aerospace-grade aluminum for superior strength and thermal conductivity over OEM plastic.

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Dual-Gasket Sealing SystemRedundant sealing design eliminates coolant seepage and provides maximum reliability under extreme conditions.

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Eliminates Known Leak SourceReplaces failure-prone OEM single O-ring and plastic housing combination that's susceptible to heat cycling.

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Cold Weather ReliabilityEngineered to withstand temperature extremes and prevent slow leaks during cold start-up conditions.

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Long-Term PerformanceBuilt to resist material fatigue and vibration damage for dependable operation over years of service.

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Direct OEM ReplacementDrop-in replacement for factory 45° coolant elbow with no modifications required for installation.

Frequently Asked Questions

Is this a direct replacement for the OEM coolant elbow?

Yes, this is a direct drop-in replacement for the factory 45° coolant elbow on Audi 4.0T engines with no modifications required.

What makes the dual-gasket system better than OEM?

The dual-gasket design provides redundant sealing compared to the OEM single O-ring, eliminating coolant seepage and preventing the slow leaks common with the factory part.

Will this solve my mystery coolant loss issues?

If your coolant loss is originating from the factory 45° elbow joint, this upgrade will eliminate that leak source. The OEM plastic housing is a known failure point on the 4.0T platform.

Can I install this myself or do I need a shop?

Installation instructions are provided online. While this is a straightforward replacement, it does involve working with the cooling system, so proper procedures for coolant drainage and refilling must be followed.

Is this recommended for high-performance applications?

Absolutely. The billet aluminum construction and dual-gasket sealing system are engineered to handle extreme pressure and temperature conditions, making it ideal for both daily driving and wide-open throttle scenarios.