Automotive breather hose designed to restore crankcase ventilation and reduce fuel and oil odours. Drivers and mechanics gain a direct-fit replacement for VW Group cars with clearer airflow and fewer lingering smells with ROBUST CAR PARTS Breather Hose One Way Valve. Will the OEM match and fitment cover the exact vehicle in need of repair?
⚡ At a Glance
- • Airflow Performance: User feedback shows noticeably improved airflow thanks to the one-way valve design
- • Best for: Owners and technicians working on VW, Audi, Seat and Skoda models listed in the fitment
- • Not ideal for: Vehicles that require a different OEM part number or non-VW Group applications
One-way breather hose compatible with listed VW Group models, referenced by OEM 030103175B. Supplied as a single unit with a recommendation to compare photos and OEM numbers before fitting.
Eliminates fuel and oil smells – with one-way valve construction
A one-way valve permits vapour to escape from the crankcase while preventing backflow, reducing vapour buildup. The valve and hose route vapours away from cabin seals and intake points.
Reduction in lingering odours reported by users after replacement, making cabins fresher and removing a common annoyance.
Restores correct ventilation flow – thanks to OEM-compatible fit
OEM number 030103175B and the listed fitment range indicate matching connector geometry and hose length for VW Group applications. Correct fit keeps pathways sealed and aligned.
Accurate fit improves crankcase breathability and helps avoid leaks that cause smells and vapour escape.
Quick swap-in replacement – with clear fitment guidance
Fitment notes include specific models such as Skoda Roomster 2010–2015 and Volkswagen Caddy III/IV from 2010 onwards, and the listing advises comparison of item photos and OEM numbers.
Easy to identify and match to the existing part, reducing time spent sourcing the correct hose and avoiding unnecessary trial-and-error.
✨ The 4 Key Reasons for ROBUST CAR PARTS Breather Hose One Way Valve
- OEM Number 030103175B – Ensures exact match with original hose connectors and fittings
- Extensive Model Coverage – Includes many VW Group models for quick compatibility checks
- User-Recommended Quality – Reported as higher quality than alternatives, reducing early failures
- Single-Part Replacement – Supplied as one unit for direct swap without extra components
📋 Technical Details at a Glance
- Category: Automotive Parts and Accessories
- Brand: ROBUST CAR PARTS
- Product Type: Breather Hose One Way Valve
- OEM Number: 030103175B
- Compatible Models: Audi A1, A3; Seat Altea, Cordoba, Ibiza, Leon; Skoda Fabia, Octavia, Rapid, Superb, Yeti, Roomster; Volkswagen Beetle, Golf, Passat, Polo, Touran, Caddy Mk3, Mk4
❓ Frequently Asked Questions
Q: Will this part fit my car?
A: Check the compatible models list and OEM number 030103175B against the part currently fitted to the vehicle; photos and OEM numbers should be compared prior to purchase.
Q: How many hoses are included?
A: Quantity provided is 1, so order accordingly if multiple replacements are required.
Q: What is the OEM reference for this part?
A: The listed OEM number is 030103175B; use that reference to confirm compatibility with the existing component.
🏆 Our Verdict
Suitable for owners and technicians who need a direct replacement breather hose for VW Group cars listed in the fitment. OEM-number matching and the one-way valve design address ventilation faults and reduce cabin odours, with users reporting improved airflow and better build quality. A straightforward replacement that restores function and delivers practical long-term value by reducing recurring smell issues.
