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TGK Motorsport PCV Breather Line Kit - Audi EA839
TGK Motorsport PCV Breather Line Kit - Audi EA839
TGK Motorsport PCV Breather Line Kit - Audi EA839
TGK Motorsport PCV Breather Line Kit - Audi EA839
TGK Motorsport PCV Breather Line Kit - Audi EA839
TGK Motorsport PCV Breather Line Kit - Audi EA839
TGK Motorsport PCV Breather Line Kit - Audi EA839
  • SKU: TGK-0311-01
  • Availability: In stock Usually ships within 5-7 Days Special Order 4-6 Weeks

TGK Motorsport PCV Breather Line Kit - Audi EA839

$499.99

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DESCRIPTION
Overview The factory PCV breather system on EA839 engines represents a critical failure point under turbocharged conditions. OEM plastic quick-connects, thin hose construction, and fragile diaphragm check valves are inadequate for high-boost crankcase pressures—particularly on tuned applications where system reliability is non-negotiable. The TGK Motorsport PCV Breather Line Kit completely eliminates these vulnerabilities with precision-engineered components designed for sustained high-performance operation. This system was engineered from the ground up to address every weakness in the OEM design through superior materials science and valve architecture. Available with either TGK Premium Billet Aluminum fittings for maximum durability or TGK OE Style Plastic fittings for cost-effective reliability, both configurations deliver significantly enhanced pressure handling and long-term service life. This is not a band-aid solution—it's a permanent upgrade that supports everything from stock daily drivers to aggressive Stage 2+ builds without compromise. Specifications
Engine Compatibility EA839 2.9T / 3.0T
Construction Options CNC Billet Aluminum or OE Style Plastic
Check Valve Design Precision Piston-Style
Hose Material FKM-Lined Multi-Ply Silicone
Pressure Rating 40+ PSI Tested
Installation Direct OE Replacement
Configuration Options
Billet Aluminum Kit OE Style Plastic Kit
Fitting Material CNC-Machined 6061-T6 Aluminum High-Grade Engineering Plastic
Check Valve Design Precision Piston-Style Precision Piston-Style
Pressure Rating 40+ PSI 40+ PSI
Durability Maximum Long-Term Reliability Enhanced Over OEM
Application Track/High-Boost/Extreme Duty Street/Stage 1-2/Cost Effective
Features & Benefits ✓ Precision Piston-Style Check ValvesMachined piston design provides instantaneous sealing under boost with consistent operation regardless of heat cycling or oil vapor contamination, validated beyond 40 PSI continuous operation. ✓ Premium Construction OptionsChoose between CNC-machined 6061-T6 billet aluminum for ultimate durability or high-grade engineering plastic for enhanced reliability over OEM at reduced cost. ✓ FKM-Lined Multi-Ply Silicone HoseReinforced silicone construction with inner FKM fluoroelastomer liner prevents oil vapor saturation and external seepage while maintaining structural integrity under extreme conditions. ✓ OE-Correct IntegrationDirect replacement design maintains factory air-oil separator routing and engine cover fitment while preserving both OEM vacuum reference points without modifications or adapters. ✓ Intelligent Pressure ManagementAt idle and light load, crankcase vapors evacuate through post-throttle vacuum; under boost conditions, piston valve immediately seals and redirects flow to turbo inlet vacuum source. ✓ High-Performance ValidatedEngineered as a permanent solution for stock through Stage 2+ applications without degradation—eliminates the OEM system as a consumable failure point across all power levels. Frequently Asked Questions Why does the factory PCV breather system fail on EA839 engines? The OEM system uses plastic quick-connects and diaphragm-style check valves that degrade under repeated heat cycling and boost pressure. As these components weaken, they allow boost pressure into the crankcase, forcing oil past seals and reducing system efficiency. What's the difference between billet aluminum and OE style plastic options? Both configurations use identical precision piston-style check valves and FKM-lined hoses. The billet aluminum option provides maximum durability for extreme duty applications, while the OE style plastic offers enhanced reliability over factory components at a more accessible price point. How do piston-style check valves improve performance over OEM? The precision-machined piston design provides immediate sealing response under boost with higher effective flow area and consistent operation regardless of temperature or oil vapor exposure, unlike flexible diaphragms that lose sealing capability over time. Does this system require any modifications for installation? No modifications required. The kit integrates directly with the factory air-oil separator and engine cover while maintaining both OEM vacuum reference points and proper system operation logic without adapters or rerouting. Can this handle high-boost tuned applications safely? Absolutely. Each valve is pressure-tested beyond 40 PSI and the complete system is validated for everything from stock daily drivers to aggressive Stage 2+ builds without performance degradation or reliability concerns.
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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