Description
Fuel filler neck cap assembly with neck for PEUGEOT 308 vehicles. Color KTV – Paint Black Perla Nera. We also have other colors.
Product Overview
Direct-fit fuel filler cap complete with filler neck designed for Peugeot 308. Ideal for professional workshops and DIY mechanics looking for a reliable replacement part commonly searched under OEM codes 1517G5 and 1518C9. This assembly restores a proper seal at the fuel inlet, prevents fuel vapour escape and contamination, and ensures smooth refuelling.
Key Features
- Complete Assembly: Cap with attached filler neck for straightforward replacement.
- OEM Cross-Reference: 1517G5, 1518C9 — commonly used search terms for fast identification.
- Color: KTV Paint Black (Perla Nera). Other Colours Available.
- Material: Durable plastics and corrosion-resistant components designed for fuel system exposure (standard for filler neck assemblies).
- Designed for Workshop Use: Suitable for professional fitment and confident DIY replacement.
Fitment And Compatibility
Fits Peugeot 308 models that use OEM part numbers 1517G5 or 1518C9. Because this part is often identified by product codes, match the code on your original part before ordering to ensure correct fitment.
How To Replace (General Guide)
Replacement requires basic mechanical skills and common workshop tools. Typical steps:
- Park Vehicle On A Level Surface, Switch Off Ignition And Allow Fuel System To Cool.
- Open Fuel Flap And Remove Any Retaining Screws Or Clips Securing The Filler Neck To The Body And Wheel Arch Liner.
- From Inside The Wheel Arch Or Trunk Access Panel, Disconnect Vent Hoses And Fuel Filler Hoses From The Neck. Be Prepared For Minor Fuel Drip; Use A Catch Pan If Needed.
- Remove Mounting Clamps And Bolts, Extract The Old Filler Neck And Cap Assembly.
- Fit New Assembly In Reverse Order: Position Neck, Reconnect Hoses, Secure Clamps And Fasteners, Reinstall Liner/Clips.
- Check Seal And Clamps For Tightness, Operate Fuel Cap To Confirm Smooth Function, And Inspect For Leaks After Refuelling.
Technical Information
- Manufacturer: Stellantis / Peugeot
- Model: Peugeot 308
- Product Codes: 1517G5, 1518C9
- Additional Numbers: None Specified
Installation Recommendations
- Use Appropriate Clamps And Torque Values As Per Manufacturer Specifications Where Available.
- Replace Any Aged Hoses, Clamps Or Rubber Seals During Installation To Ensure Long-Term Leak-Free Operation.
- Work In A Well-Ventilated Area And Avoid Open Flames Or Sparks Near The Fuel System.
- If Access Requires Removal Of The Inner Wheel Arch Liner, Use Proper Clips And Ensure Correct Reassembly To Prevent Rubbing Or Noise.
Most Common Reasons For Failure
- Seal And Gasket Deterioration: Rubber seals Harden Or Crack Over Time, Causing Vapour Leaks Or Poor Seal.
- Corrosion And Impact Damage: Road Salt, Moisture Or Stone Impacts Can Damage The Neck Or Mounting Points.
- Broken Clips Or Fasteners: Plastic Clips And Brackets Can Fail, Causing Movement And Stress On The Assembly.
- Fuel Spillage And Contamination: Repeated Spillage Or Dirt Ingress Can Accelerate Wear And Prevent Proper Sealing.
- Wear From Frequent Use: Caps And Hinges Wear Out Over Years Of Use And May Require Replacement When Function Is Compromised.
Notes For Professionals
This part is ideal for quick replacement jobs in bodyshops and service bays. Because many customers search by product code, list the OEM numbers (1517G5 / 1518C9) prominently when stocking or pricing the item to improve findability and reduce fitment queries.







