High-Performance Heat-Resistant Silicone Crankcase Breather Hose Kit for Audi A3 1.8T

Upgrade your Audi A3 1.8T with this high-performance Silicone Crankcase Breather Hose Kit. Crafted from heat‑resistant silicone, it replaces worn stock hoses to provide a durable, reliable ventilation path under demanding driving conditions. Designed for the AUQ/AUM/ARX/ARY engines, this kit also fits popular VW platforms—Jetta MK4 1.8T AUQ/AUM, Bora, and Golf MK4 1.8T AUQ/AUM—making it a versatile upgrade for a range of 1998–2006 models. By delivering a tighter, more resilient hose route, it helps maintain proper crankcase ventilation, reduces oil mist and leaks, and minimizes hose collapse during high RPM bursts, contributing to smoother operation and cleaner engine bays.

Benefits & Tips

• Improved durability under high heat and pressure thanks to premium silicone material, helping maintain consistent crankcase ventilation during spirited driving.
• Reduced oil mist and potential leaks by providing a secure, stable path for blow-by gases, which supports turbo efficiency and longevity.
• Easy installation with a direct-fit design to minimize downtime—check routing to avoid heat sources and ensure clamps are snug but not over-tightened.

Product specifications

• Brand: NONE
• Model / Part compatibility: Audi A3 1.8T AUQ / AUM / ARX / ARY engines; VW Jetta MK4 1.8T AUQ / AUM; Bora; Golf MK4 1.8T AUQ / AUM
• Material: Silicone (high-temperature silicone for engine environments)
• Placement on Vehicle: Engine
• Special Features: Silicon Radiator Hose Kit
• Origin: Mainland China
• Country/Region of Manufacture: China
• Dimensions: Length 30 cm x Width 10 cm x Height 5 cm
• Weight: 1 kg
• Original part numbers it's compatible with: 06A103213AF, 06A 103 213AF, 035103245G, 06A103221AF, 06A 103 221AF, 06A103247, 06A 103 221AH, 06A103213F, 06A 103 213F, 035 103 245G, 06A 103 213 F, 06A 103 221 AF, 06A 103 247, 06A103221AH

Package includes:

• 1 x Silicone Crankcase Breather Hose Kit compatible with Audi A3 1.8T and select VW 1.8T engines (AUQ/AUM/ARX/ARY) plus Jetta Bora Golf MK4 variants

Warnings / Reminders

• Please verify engine compatibility (AUQ/AUM/ARX/ARY) before purchase.
• Inspect hoses for signs of wear after installation and replace clamps if needed to maintain a secure seal.
• Avoid routing hoses near extreme heat sources or moving parts to prevent wear or damage over time.

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