RESTORE CRANKCASE VENTILATION CONTROL
A worn or damaged crankcase breather hose may cause rough idle related to crankcase ventilation faults. This can affect the part's ability to control crankcase ventilation and help manage pressure in the engine ventilation system.
This OEM-style aftermarket replacement is designed for OE-number based repair and replacement. It helps restore crankcase ventilation while supporting professional workshop parts identification.
FEATURES
- OEM-style aftermarket replacement
- Direct-fit replacement for crankcase ventilation service
- Designed according to OE reference specifications
- Supports proper engine ventilation routing
- Suitable for professional repair shops
OEM REFERENCE
- 03C103493AE
- 03C103493AQ
- 03C103493AP
COMPATIBLE VEHICLES
VOLKSWAGEN
- Golf
- Polo
- Passat
AUDI
- A1
COMMON SYMPTOMS
- Rough idle related to crankcase ventilation faults
- Oil leakage around ventilation components
- Vacuum noise or whistling from the PCV area
- Excessive crankcase pressure
WHY REPLACE THIS PART?
A failed PCV valve or oil separator can affect crankcase pressure control and cause oil or vacuum related service issues. Replacing the part helps restore proper crankcase ventilation for OE-number based repair.
INSTALLATION NOTES
Professional installation is recommended. Confirm fitment using the OE number, VIN, and vehicle application before ordering or installation.
B2B WORKSHOP NOTE
Partly Works supplies OE-number based aftermarket replacement parts for Volkswagen, Audi, SKODA, and SEAT vehicles.
Suitable for distributors, wholesalers, repair shops, and professional technicians.
Returns will be accepted for up to 30 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
– Received the wrong item.
– Item arrived not as expected (ie. damaged packaging).
– Item had defects.
– Over delivery time.
– The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.
Precision Engineering
Advanced CNC/EDM processes ensuring industry-leading tolerances.
Uncompromising Quality
IATF 16949 certified for consistent automotive-grade reliability performance.
Global Reach
Expert OEM/ODM services effectively serving 50+ countries reliably worldwide.
