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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Mini Cooper S R55 R56 Cover Fuel Flap Petrol Cap Trim Black 7148885

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Mini Cooper R57 R58 1 Filler In Flap Fuel Cap Cover Midnight Black 7190622

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BMW X3 3 5 E60 E61 E83 E87 E90 1 Fuel Tank Filler Cap Cover DIESEL 7786331

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Mini R57 R58 Filler Flap Fuel Cap Cover Pure Silver Metallic - 900 7190622

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AdBlue Tank Cap Mercedes C118 W177 W247 Fuel Filler Cover A0004701800

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

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BMW F40 Cover Pot Fuel Fill In Flap 7454411

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

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

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

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VW Volkswagen Scirocco Mk3 Fuel Cap Cover 3AA201550A

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

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Mercedes-Benz C-Class W203 Fuel Flap Tank Cap Cover Brilliant Silver - 744

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Mini Cooper One R55 R56 LCI Filler In Flap Fuel Cap Nightfire Red 7148883

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Mini Cooper R55 R56 1 Filler In Flap Fuel Cap Cover Pepper White 7148883

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Mercedes W176 Cover Fuel Filler Pot Flap Carrier Cap A1766300900

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Mini R50 R53 Cooper S Fuel Flap Hinge Petrol Gas Cap Cover Black 7158196

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Mini Countryman Paceman R60 R61 Tank Service Cap 9801691

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VW Volkswagen Golf Mk5 Fuel Filler Cap Tank Lid Cover Black 5N0201553

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

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Land Rover Discovery 3 L319 Fuel Filler Tank Cap Housing 6H22-28670-BCW

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Smart ForTwo C453 Fuel Filler Tank Cap Cover Titania Grey Matt - EAI A4537540000

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

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Ford Ranger TKE Mk6 Fuel Tank Flap Cap Cover Frozen White - Z2 GB3B-405C46-AB

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

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

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

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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 4L0131980E

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

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Audi A6 C8 Fuel Tank Cover Locking Mechanism Actuator Motor 8V0862159A

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

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

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Mini R50 R53 Fuel Cap Hinge Petrol Gas Cover Black 7158196

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BMW F34 GT Fuel Filler Pot Flap Cover Carrier Cap Housing 7278394

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VW Transporter T5 Fuel Filler Neck Cap Tank Cover Diesel Black 1J0201553AD

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Fuel Flap Mini Cooper R57 R58 R59 Filler Cap Cover Laser Blue - A59 7190622

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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 Sprinter W906 Fuel Filler Tank Cap Cover Black A0004704605

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

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Mini Cooper S R55 R56 Cover Fuel Filler Pot Carrier Cap Black 7148886

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

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Audi Q3 8U Q3 Sportback VW Tiguan Fuel Tank Filler Lid Cork Cap 3AA201553

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Fuel Filler Cap Mercedes W176 W205 W213 Fuel Tank Cover A0004700800

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

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