PA66 + 30% Glass-Fiber Oil Filler Cap with 30° Bayonet Twist-Lock and Integrated Seal Ring for Audi VW EA888 Gen2
| Material: | PA66 + 30% Glass-Fiber (Heat-Stabilised) | Cap Diameter: | 42 Mm |
| Weight: | 38 G (0.038 Kg) | Overall Height: | 48 Mm |
| Installation Type: | 30° Bayonet Twist-Lock | Seal Ring: | Integrated Seal Ring / O-Ring |
| High Light: | PA66 + 30% Glass-Fiber Oil Filler Cap,30° Bayonet Twist-Lock Engine Oil Cap,Integrated Seal Ring Oil Cap |
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The Engine Oil Filler Cap with OEM number 06J-103-485 (also listed as 06J103485, 06J 103 485) is a verified OEM-grade direct replacement for a wide range of Audi, Volkswagen, SEAT, and Škoda vehicles equipped with EA888 Gen2 (1.8L / 2.0L TFSI/TSI) engines. This critical component seals the oil fill access hole on the valve cover to prevent oil leaks and maintain proper crankcase pressure.
Failure Symptoms: If your oil filler cap is failing, you may experience:
- Visible oil leakage around the cap onto the valve cover
- Engine oil odor in the cabin or engine bay
- Check engine light with diagnostic trouble codes
- Oil splatter on surrounding engine components
- Excessive oil consumption
A faulty oil filler cap can allow air to escape from the crankcase and oil to seep out, creating mess and increasing oil consumption.
| Part Number: | 06J103485 06J-103-485 |
| Product Name: | Oil Filler Cap |
| Car Model: | Audi VW 1.8/2.0 |
| Engine Model: | TFSI EA888 Gen2 |
| Condition: | 100% Brand New |
| Origin: | China Mainland |
Compatible Brands: Audi, Volkswagen (VW), SEAT, Škoda
Primary Applications — Audi:
| Model | Chassis / Generation | Engine | Years |
|---|---|---|---|
| Audi A3 / A3 Sportback | 8P (8P1, 8PA) | 1.8 / 2.0 TFSI | 2003-2013 |
| Audi A3 Cabriolet | 8P7 | 1.8 / 2.0 TFSI | 2008-2013 |
| Audi A4 / A4 Avant | B7 (8EC/8ED), B8 (8K2/8K5) | 1.8 / 2.0 TFSI | 2004-2015 |
| Audi A4 Allroad | 8KH | 2.0 TFSI | 2009-2016 |
| Audi A5 / A5 Sportback | 8T3, 8F7, 8TA | 2.0 TFSI | 2007-2017 |
| Audi A6 / A6 Avant | C6 (4F2/4F5), C7 (4G2) | 1.8 / 2.0 TFSI | 2004-2013 |
Primary Applications — Volkswagen:
| Model | Generation / Chassis | Engine | Years |
|---|---|---|---|
| Beetle | 5C1 / 5C2 | 1.8T / 2.0T | 2011-2016 |
| Eos | 1F7 / 1F8 | 2.0T | 2006-2015 |
| Golf / Golf Plus | Mk5 / Mk6 | 1.8 / 2.0 TSI | 2004-2013 |
| Jetta / GLI | Mk5 / Mk6 | 1.8T / 2.0T | 2006-2014 |
Important Compatibility Notes:
- Specifically designed for EA888 Gen2 (1.8L / 2.0L TFSI/TSI) engine family
- Not compatible with EA888 Gen3 (uses 06K103485 series caps)
- Uses 30° bayonet twist-lock design
- Interchangeable with 06G103485, 06C103485N, and 079103485A
- Always verify VIN, model year, and engine code before ordering
| Feature | Benefit + Verification Signal |
|---|---|
| OEM Specification — VAG Genuine | Guarantees factory-fit quality and performance |
| PA66 + 30% Glass-Fiber Construction | Delivers exceptional durability and heat resistance |
| 30° Bayonet Twist-Lock Design | Ensures secure, leak-proof sealing with easy installation |
| Integrated Seal Ring / O-Ring | Provides airtight sealing to prevent oil seepage |
| Direct Plug-and-Play Fitment | No modifications required — 99% installation success rate |
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify 42mm diameter, 48mm height, and 30° bayonet lock geometry |
| Material Composition | PA66-GF30 material analysis to verify glass-fiber reinforcement |
| Seal Integrity Test | 100% leak testing to guarantee zero oil seepage under pressure |
| Twist-Lock Function Test | Full actuation test to verify smooth 30° rotation and secure locking |
Installation Tip: Simple DIY Replacement
Pre-Installation Checklist:
- Allow the engine to cool completely
- Clean the area around the oil filler opening
- Inspect the valve cover sealing surface for damage
Installation Guidelines:
- Ensure the engine is cool
- Rotate the old oil cap counter-clockwise approximately 30° to unlock
- Remove the old cap and inspect the seal ring
- Clean the oil filler opening on the valve cover
- Position the new cap with the seal ring properly seated
- Press down firmly and rotate clockwise approximately 30° until it clicks
- Verify the cap is secure — it should not rotate freely
- Start the engine and check for oil leaks around the cap
Maintenance Schedule:
- Inspection: During routine oil changes (every 10,000-15,000 km)
- Replacement: Immediately if oil leaks are detected
- Note: The seal ring is integrated and cannot be replaced separately
- Packaging: Protective packaging to prevent shipping damage
- Single Package Size: 7 × 5 × 5 cm
- Single Package Weight: Approx. 38 g (0.038 kg)
- Suitable for: Wholesale distributors, auto parts retailers, repair shops, and DIY enthusiasts
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