SKU: 14-0668
Radium Engineering V2 Quick Connect Fitting – 19mm Male to 90deg 3/4in Barb
The Radium Engineering V2 Quick Connect Fitting (SKU: 14-0668), the ultimate solution for enthusiasts seeking unmatched performance, reliability, and precision. This 19mm male to 90-degree 3/4-inch barb adapter is meticulously crafted to outperform all competitors, delivering seamless integration and superior durability for high-performance applications. Whether you’re upgrading your Volkswagen, Audi, or other compatible vehicle, this fitting is the definitive choice for optimizing crankcase ventilation and fluid delivery systems.
Why Radium?
Performance:
Designed to adapt 19mm V2 quick-connect systems to a 90-degree 3/4-inch barb, this fitting ensures optimal fluid flow, reducing restrictions and enhancing crankcase ventilation for improved engine efficiency.
Engineering:
Machined from 6061 billet aluminum, this fitting offers exceptional strength and lightweight performance, precision-crafted for a secure, leak-free connection.
Corrosion-Resistant Finish:
The Type-II anodized coating provides superior protection against corrosion, heat, and wear, ensuring long-lasting performance in harsh automotive environments.
90-Degree Design:
The angled configuration is ideal for tight engine bays, offering flexible routing for hoses and minimizing clearance issues, particularly in performance setups.
OEM-Inspired Reliability:
Modeled after V2 quick-connect systems found in high-end OEM applications (e.g., VW, Audi), this fitting guarantees a robust, factory-like fit with aftermarket versatility.
Trusted by Enthusiasts:
Backed by Radium Engineering’s reputation for quality, this fitting is a favorite among motorsport professionals and DIY builders alike.
Included:
- One (1) V2 Quick Connect Fitting: 19mm male to 90-degree 3/4-inch barb, CNC-machined 6061 billet aluminum, Type-II anodized finish.
- Pre-Installed O-Ring: Oil-resistant Buna-N O-ring for a secure, leak-free seal.
- Installation Instructions: Detailed guidelines for quick and proper installation.
- Radium Engineering Packaging: Ensures safe delivery and authenticity.
Fitment
The Radium Engineering 14-0668 V2 Quick Connect Fitting is designed for vehicles equipped with 19mm V2 quick-connect systems, commonly used in crankcase ventilation and PCV setups. Confirmed fitment includes:
- Volkswagen Golf R (MK7): 2015–2020 (EA888 2.0L TSI)
- Volkswagen Jetta (GLI): 2014–2019 (1.8L EA888 TSI)
- Volkswagen Passat: 2012–2019 (1.8L EA888 TSI)
- Audi A3 (8V): 2015–2020 (2.0L TSI)
- Audi TT (8S): 2016–2023 (2.0L TSI)
Universal Fitment: Compatible with any vehicle or system using a 19mm female V2 quick-connect port and requiring a 3/4-inch barb hose connection, such as aftermarket catch cans or custom ventilation setups.
Note: Verify compatibility with your vehicle’s PCV system or catch can setup. Professional installation is recommended for optimal performance and safety.
Part Numbers & Specifications
- SKU: 14-0668
- UPC: Not publicly listed (contact Radium Engineering for UPC details)
- Material: 6061 Billet Aluminum
- Finish: Type-II Anodized
- Inlet: 19mm Male V2 Quick Connect
- Outlet: 90-degree 3/4-inch (19mm) Barb
- O-Ring: Oil-resistant Buna-N, pre-installed
- Weight: Approximately 0.08 lbs (36 grams)

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