VW Jetta / Golf MK4 / Bora / Beetle / Passat & Audi A3 / S3 / A4 / S4 / A6 / TT / TTS & SEAT & Skoda 1.8T 20V Engine Oil Breather Vacuum Vent Hose 1997 - 2011 (Replaces 06A103213F)

Replace your aged or cracked factory oil breather vacuum vent hose with this premium direct-fit replacement, manufactured to match original equipment specifications for clean installation across the entire VAG 1.8T 20V engine platform. The oil breather vacuum vent hose is a critical component of the crankcase ventilation system on the iconic 1.8T 20V engine — it maintains proper internal and external pressure balance, prevents excessive crankcase pressure buildup, and ensures proper PCV system function. Over years of heat cycling exposure, the factory rubber hose becomes brittle, develops cracks, and can split entirely, causing vacuum leaks, lean fuel codes, rough idle, oil consumption, and reduced turbo performance. This direct OE replacement permanently restores proper PCV system function across the entire 1.8T VAG platform — used in MK4 Golf and Jetta GTI, B5/B6 Audi A4, TT, A3, and many SEAT and Skoda performance variants.

Features:

• Direct OE replacement design – manufactured to factory specifications matching original equipment part number 06A103213F for clean modification-free installation
• Restores proper crankcase ventilation – maintains correct internal and external pressure balance for proper engine breathing and PCV operation
• Resolves vacuum leak symptoms commonly associated with aged factory hose failure – restores proper engine operation and eliminates lean fuel codes
• Wide cross-platform compatibility – fits the entire VAG 1.8T 20V engine lineup across VW, Audi, SEAT, and Skoda variants
• Quality rubber construction – provides reliable sealing across the operating temperature range of the 1.8T engine
• Affordable maintenance solution – inexpensive preventive replacement for a critical engine system component

Specifications:

• Condition: 100% Brand New
• Type: Oil Breather Vacuum Vent Hose
• Material: Rubber
• Item Weight: 100 g
• Quantity: 1 hose per pack
• Position: Crankcase Ventilation System
• Engine Compatibility: VAG 1.8T 20V Turbo Gas DOHC
• Purpose: Direct OE Replacement / PCV System Maintenance

OE / Replacement Part Numbers:

• 06A103213F
• 06A 103 213F

Fitment:

1.8T 20V Turbo Gas DOHC engine only. Verify your engine code before ordering.

Volkswagen Fitment:

• Volkswagen Jetta 1.8T (1999 – 2003)
• Volkswagen Bora 1.8T (1999 – 2005)
• Volkswagen Golf MK4 1.8T (1998 – 2006)
• Volkswagen Beetle 1.8T (1999 – 2010)
• Volkswagen Passat 1.8T (2001 – 2005)

Audi Fitment:

• Audi A3 / S3 1.8T (1997 – 2003)
• Audi A4 / S4 1.8T (1999 – 2008)
• Audi A6 1.8T (1998 – 2005)
• Audi TT / TTS 1.8T (1999 – 2006)

SEAT Fitment:

• SEAT Cordoba 1.8T (1999 – 2002)
• SEAT Ibiza / ST 1.8T (1999 – 2010)
• SEAT Exeo / ST 1.8T (2009 – 2014)
• SEAT Toledo 1.8T (1999 – 2004)
• SEAT Leon / Cupra 1.8T (2000 – 2006)

Skoda Fitment:

• Skoda Octavia 1.8T (1997 – 2011)
• Skoda Superb 1.8T (2002 – 2008)

• Compatible with 1.8T 20V Turbo Gas DOHC engines only – not compatible with 1.8L naturally aspirated, 2.0L, 2.0T FSI/TSI, or other VAG engine families
• Confirm engine code is 1.8T 20V before ordering

Contents:

• 1x Oil Breather Vacuum Vent Hose

Benefits:

• Restores proper crankcase ventilation function – critical for maintaining proper engine pressure balance and preventing excessive crankcase pressure buildup
• Resolves vacuum leak symptoms commonly traced to aged factory PCV hoses – including lean fuel codes (P0171, P0173), rough idle, hesitation, oil consumption, and reduced turbo response
• Direct OE-spec replacement ensures perfect fitment without modification – installs in factory routing without requiring custom adaptation
• Affordable preventive maintenance – inexpensive replacement of a known wear component prevents the cascade of symptoms that develop when the hose fails
• Wide cross-platform compatibility makes this a versatile maintenance product for VAG enthusiasts who manage multiple 1.8T-equipped vehicles
• Inexpensive way to restore proper engine operation on aged 1.8T platforms – the 1.8T platform is now decades old, and PCV system components are due for replacement on virtually any unrebuilt example
• Helps maintain consistent boost performance – proper PCV function is essential for stable manifold pressure and consistent turbocharger operation

Installation Notes:

• Engine compatibility verification required: Confirm your engine is the 1.8T 20V Turbo Gas DOHC variant before ordering – this hose is not compatible with other VAG engine families
• Allow the engine to fully cool before beginning installation to avoid burns from hot engine components
• Document the original hose routing before disassembly – take photos of hose connections and clamp positions before removal
• Carefully disconnect the existing factory hose from its mounting points – aged rubber may be brittle and require careful handling to avoid damage to mating components
• Inspect related PCV system components during installation – the PCV valve, breather block, valve cover gaskets, and other PCV hoses commonly require replacement at the same service interval
• Install the new hose in the same routing as the original – ensure no kinks, twists, or contact with hot surfaces
• Use proper hose clamps to secure both ends of the hose – verify firm clamping force without overtightening
• After installation, scan for stored vacuum leak codes (P0171, P0173) and clear any historical codes from the previous failed hose
• Test for vacuum leaks using a smoke test or carb cleaner spray method to verify leak-free operation
• Inspect for any oil weeping or leaks at the new hose connections after engine reaches operating temperature
• Professional installation recommended if you are unfamiliar with VAG PCV system service procedures
• If unsure about compatibility with your specific VW, Audi, SEAT, or Skoda variant or engine code, contact our team with your year, model, and engine code (must be 1.8T 20V) before ordering

Warranty:

• 12-month standard warranty from date of purchase
• Contact our support team for assistance with any issues