What is the construction and purpose of fuel filler flaps and caps?

Fuel filler flaps and caps are components that close and cover the vehicle's refueling zone. A typical set includes a cap with a seal, an external flap, a hinge or spring, and mounting points to the body or filler neck. These parts are mounted at the fuel filler and are responsible for tightness, protection against dirt, and proper use during refueling.

What are fuel filler flaps and caps used for?

Fuel filler flaps and caps are used to secure the fuel and limit the ingress of contaminants into the system. The cap maintains the tightness of the filler neck, and the flap protects the filler recess from water, mud, and external damage. Their proper operation is also important for the convenience of refueling and the correct closure of the entire assembly.

What role does the fuel cap seal play?

The fuel cap seal is a contact element, usually made of rubber or plastic resistant to contact with fuel and vapors. It serves to close the space between the cap and the filler neck and limits loss of tightness while driving. A worn seal can cause the cap to sit loosely, fit poorly, and lead to problems with proper closure.

How to choose a flap or cap for a specific car?

It is safest to compare the OEM part number, interchangeable numbers, fuel type, and body version. For a flap, it is also worth checking the color, mounting side, and mounting layout, and for a cap, the diameter, thread type, or snap-on mechanism. Verification by VIN can also be an additional help.

What symptoms indicate wear of a fuel filler cap or flap?

The most common symptoms are difficulty opening, lack of a secure closure, housing cracks, a damaged hinge, or a worn seal. In practice, you may also notice play, uneven flap fitment, or poorer protection of the filler recess from dirt. Such a condition usually means a need to check the fitment and mounts.

How to care for fuel filler flaps and caps after installation?

It is worth regularly cleaning the area around the fuel filler and removing sand and moisture from contact points. It is good to periodically check the condition of the seal, hinge, and locking mechanism, especially after winter or after washing the car. Avoiding excessive force when opening and closing helps extend the durability of these components.

Fuel filler flaps and caps

At Global Parts, we offer a wide selection of original used car parts, including fuel filler flaps and caps for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our fuel filler flaps and caps undergo quality control to ensure you receive a top-quality product.

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Mercedes W205 Fuel Tank Filler Cap Cover A2224700005

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Skoda Yeti 5L Fuel Filler Tank Cap Cover Flap Black Magic Pearl - F9R 5L6809857

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Fuel Filler Cap Mercedes W204 W212 Tank Cover Black Covering A2214700705

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Mini Countryman Paceman R60 R61 Tank Service Cap 9801691

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BMW 1 X3 3 5 Series E83 E60 E61 E87 E90 E91 Fuel Tank Filler Cap Cover DIESEL

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Mini Cooper R55 R56 Fuel Filler Flap Surround Panel Housing Pure Silver 2751980

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Mini One Cooper 1 R50 R53 R56 R57 LCI Fuel Tank Filler Cap Cover 7193382

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Audi TT 8J Fuel Tank Filler Cap Cover Screw 8J0201550C

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Land Rover Discovery L550 AdBlue Cap Ad Blue Tank Filler Cover GW93-5J239-A

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BMW F40 Cover Pot Fuel Fill In Flap 7454411

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BMW F10 F20 F21 F30 F31 LCI Tank Cover Filler Cap AdBlue 7485924

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BMW X6 E71 Cover Fuel Filler Pot Carrier Cap Fill In Flap 7182548

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Audi Q5 8R Diesel Fuel Cap Retaining Strap 8K0201550K

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AdBlue Tank Cap Mercedes C118 W177 W247 Fuel Filler Cover A0004701800

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Mini R50 R53 Fuel Cap Hinge Petrol Gas Cover Black 7158196

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Mini R57 R58 R59 Filler In Flap Fuel Cap Cover Lightning Blue Metallic A63

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BMW 1 Series F20 LCI Cover Fuel Filler Pot Carrier Cap 7434640 51177434640

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Mini R50 R53 R56 R57 LCI Fuel Tank Filler Cap Cover 7193382

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Volkswagen Transporter T6 Diesel Fuel Tank Filler Top Cap Lid 1K0201553J

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Seat Ibiza 6J Fuel Filler Tank Cap Flap Trim Cover Apollo Blue - W5P 6J3809905D

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Fuel Filler Cap Mercedes W204 W212 Tank Cover Black Covering A2214700705

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Fuel Filler Cap Audi A4 B8 VW Passat B6 Diesel Tank Lid Black Cover 3C0201553F

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BMW 3 Series F30N F30 LCI Cover Fuel Filler Pot Carrier Cap 7374537

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Filler Cap BMW E60 X3 E83 E90 Mini R50 R56 Fuel Tank Filler Cap Cover 7222391

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Fuel Cap Mini Cooper R55 R56 Filler Flap British Racing Green 7148883

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Audi A3 8V Fuel Tank Filler Screw Cap Cover 5WA201553F

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Porsche Cayenne Turbo 9PA 955 VW Touareg Golf Fuel Tank Filler Cap 7L0201553

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Fuel Filler Cap Mercedes W176 W205 W213 Fuel Tank Cover A0004700800

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BMW E83 E70 E60 E66 E87 E90 Fuel tank filler cap cover diesel 16117193381

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Audi TT 8J Fuel Tank Filler Cap Cover With Retaining Strap Diesel 8J0201553E

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Audi Q7 4L AdBlue Cap Ad Blue Tank Filler Cover 4L0131980E

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BMW F45 G20 G30 i3 I01 i8 I12 Fuel Filler Cap Neck Gas Tank Cover Black 7482906

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Mercedes W204 W207 W212 W218 Fuel Filler Cap Neck Gas Tank Cover A2214700605

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Audi A4 B8 A6 C7 VW Passat B7 Sharan 5N Fuel Tank Filler Cap Diesel 3C0201553K

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Audi TT 8J Fuel Tank Filler Cap Cover With Retaining Strap 8J0201553C

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Mini Cooper R55 R56 LCI Filler In Flap Fuel Cap Cover Mellow Yellow 7148883

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Fuel Tank Cap BMW F10 F20 F21 F30 F31 F32 Filler Cover 7482902

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Audi A8 D3 Fuel Tank Filler Flap Cap Cover Phantom Black - Z9Y 4E0809857E

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BMW F36 Gran Coupe Fuel Cover Fill In Flap Filler Cap Carbon Black - 416 7307912

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Mercedes ML W164 Fuel Filler Cap Tank Cover Black Covering A1644700030

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Mercedes C117 Fuel Filler Pot Flap Cover Carrier Cap Recess Housing A1176304100

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Audi A3 8P A4 B7 Fuel Filler Neck Cap Tank Retaining Strap Diesel 1J0201553AJ

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Audi Q7 4L AdBlue Cap Ad Blue Tank Filler Cover 4L0131980D

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BMW X3 F25 X4 F26 Diesel Fuel Filler Tank Cap Screw 7468994

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Part no. 7E0201550C

VW Volkswagen Transporter T6 Fuel Tank Filler Cap Screw Diesel 7E0201550C

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Volkswagen VW Touareg 7P Diesel Fuel Filler Tank Cap Screw 7P6201553C

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Mini R50 R53 R56 R57 LCI Fuel Tank Filler Cap Cover 7193382

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BMW X1 E84 Fuel Cap Cover Fill In Flap Titansilber Titanium Silver 354 2993153

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