03C115175 036115175B Cylinder Head Oil Strainer for VW Beetle and Scirocco: Diagnosis and OE Fitment Guide
QUICK ANSWER
A confirmed restricted, damaged or leaking cylinder-head oil strainer or screen should be confirmed through physical inspection and the workshop checks appropriate to this component before a replacement part is ordered. The same symptom can have more than one cause, so compare the installed component, all OE references, connections and vehicle information.
WHAT THIS PART DOES
The Cylinder Head Oil Strainer screens the specified engine-oil passage at the cylinder head to help limit debris entering the related lubrication circuit. Its role does not prove that it is the cause of a customer complaint; diagnosis must connect the observed fault to this component.
SYMPTOM SNAPSHOT
- The strainer mesh is blocked, torn or deformed during inspection
- Oil-flow or lubrication concerns remain after oil level, grade and pressure checks
- The sealing edge or mounting seat is damaged or leaking
- Debris is found at the strainer and its exact engine location is confirmed
These symptoms are diagnostic clues, not a guarantee that this part has failed.
DIAGNOSIS BEFORE ORDERING
- Confirm the exact oil passage and engine application before removing the screen
- Inspect mesh condition, sealing edge, mounting seat and surrounding oil passages
- Check oil level, approved oil specification, filter, pressure and debris source before assigning the fault to the screen
- Distinguish this cylinder-head screen from a balance-shaft, pickup or other oil strainer
- Compare engine code, screen profile, dimensions, installation position and every OE suffix
- After installation, follow the specified sealing and cleaning procedure and verify oil-pressure or flow results
OEM REFERENCE
- 03C115175
- 036115175B
Every verified OE reference from the product record is retained. Revision letters and alternate numbers must not be discarded during comparison.
VEHICLE APPLICATION REFERENCES
- VOLKSWAGEN Beetle
- VOLKSWAGEN Scirocco
- VOLKSWAGEN Golf
- VOLKSWAGEN Bora
Model names are reference points only. Production date, engine, market specification and connector changes can affect compatibility.
WHEN REPLACEMENT IS JUSTIFIED
Replacement is reasonable when inspection or workshop testing confirms damage or a functional failure that matches the role of this component. If the evidence conflicts with the product function, continue diagnosis instead of replacing the part.
RELATED PARTS TO INSPECT
- Engine oil filter, oil passages and approved oil specification
- Oil-pressure switch, pump, pickup and balance-shaft screens
- Sealing surfaces, fasteners and debris source
VIN CHECK
Confirm fitment using OE number and VIN before ordering.
For fitment questions, share the OEM part number, VIN number, or vehicle information with our team before ordering.
CHECK THE PART AND OE DETAILS
Review 03C115175 / 036115175B product images and fitment details.
WORKSHOP AND BULK ORDERS
Repair shops and distributors can send an OE list, quantities and vehicle information for fitment review and bulk-order support.
