If you’ve ever dropped a bike on its side or laid it down on the ground while trying to make a quick repair, you’ve probably noticed a fuel leak. If you’ve ever tried to start a bike that was out of gas, you know how frustrating it is when fuel seeps out of the tank even when the cap is in place. To help prevent the spread of pollutants and the ignition of fuel if there is a leak, all fuel tanks must have caps on them.
So which fuel tank caps are best? We decided to find out by putting a wide range of caps to the test.
Read on to learn which fuel tank caps are best for your bike.
Our Editor’s Best Fuel Tank Caps Reviews
Bestseller No. 1
Gates 31748 OE Equivalent Fuel Tank Cap
- genuine gates oe equivalent fuel cap
- Fit type: Vehicle Specific
- Fenderwell Fuel Caps are zinc-plated and dichromate dipped for superior corrosion resistance
- Model Number: 31748
$9.99
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SaleBestseller No. 2
Fuel Tank Filler Cap,Gas Cap Compatible With Toyota - 4Runner, Avalon, Camry, Corolla, Highlander, Matrix, Sequoia, Sienna, Solara, Tacoma, Tundra, GX470, ES330, ES300，Replace# 77300-33070 7730033070
- 【Replacement Part Number】-77300-33070, 7730033070 gas cap. Before Ordering, Please Confirm Whether The Accessories Are Suitable For Your Vehicle To Confirm Compatibility！Most fuel caps are sealed by turning them until you hear a clicking sound！
- 【FIT FOR】 -The gas cap compatible with TOYOTA:2003-2009 4Runner,2005-2006 Avalon ,2002-2006 Camry,2005 Corolla,2004-2006 Highlander ( Not For Hybrid ),2005 Matrix,2005-2007 Sequoia,2004-2006 Sienna,2004-2006 Solara ( Exclude Japan Built Part ),2005-2008 Tacoma,2003-2006 Tundra/compatible with Leuxs : 2002-2003 ES300, 2004-2006 ES330,2006 GS300,2006 GS430,2003-2009 GX470,2004-2006 RX330, 2006-2009 tC.Easy Installation And Perfect Fit！ 【Advantage】- As Time Goes By, The Fuel Filler Cap Of The Car Wi
- 【Advantage】- As Time Goes By, The Fuel Filler Cap Of The Car Will Be Loose And Invalid,This Will Increase Fuel Vapor Emissions， May Causes Your Check Engine Light CEL Turns On.Our Fuel Filler Cap Are Designed And Manufactured According To OEM And Can Perfectly Replace Damaged Fuel Filler Cap. The Price Is Only A Small Part Of The Dealer!
- 【High performance】-Long Service Life, Fuel Filler Cap Is Made Of Reinforced ABS Plastic And High-Quality Sealing Rubber,It's More Resistant To Cold And Heat ,Can Adapt To Harsh Weather And Environment. All Fuel Filler Cap Are Tested Before Leaving The Factory To Ensure That The Product Quality Meets The Standards.Provides A Tight Seal To Keep Your Vehicle's Fuel Tank Closed, Safety Your Vehicle's Occupants, Fuel Economy And Reduce Vapor Emissions！
- 【After-Sales Service】- Establish Strict Quality Control Standards, 1 Year Warranty, Buy With Confidence!If you have any questions about Fuel Filler Cap, please contact us, we will help you deal with it as soon as possible！
$8.99
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Bestseller No. 3
Transfer Tank Vented Fuel Cap w/Threaded Neck,Diesel Tank Cap with 2 Inch Base,Fuel Venting Pressure Gas Fill Lid for Diesel Transfer/Auxiliary/Storage Truck Tool Box
- Fitment: Transfer tank vented cap replace for Dee Zee Fill-Rite transfer tank cap and fit for standard 2" NPT threaded tank bung base. Diesel tank cap works well for ground, farm, commercial and distillate tanks, such as transfer tank, fuel tank, gas tank, diesel tank, auxiliary fuel tank, mobile fuel tank and weather guard tank.
- Both Directions Vent: When loosing the diesel tank cap, the venting pressure tank cap vent pressure inside the fuel tank to outside and release dangerous vapor build up to prevent over-expansion of the diesel fuel tank. And vented fuel cap allow air into the diesel transfer tank to prevent vacuum forming and collapse the tank when you draw out fuel.
- Added Security for Diesel Tanks Fuel: Lockable diesel fuel tank cap fit for 1/4" - 5/16" diameter shackle padlock (not included), which secure your fuel tanks and prevent costly oil fuel from theft,tampering, siphoning and vandalism. Just put a padlock in lock hole that is right on one of the tabs on the base and the tabs will hold the lock.
- Prevent Leaking: Transfer tank fuel cap with spring loading and inside gasket is seal when tightly closing to prevent leaking and excess gas vapor venting even drive in road.
- Easy to Use: Align the vented gas cap with the notch, push down and clockwise twisting to tighten the diesel tank cap all the way. To remove transfer tank cap, counter-clockwise twist slowly to the notch to vent pressure. Push down and twist to lift pressure vent fuel cap and remove.
$23.95
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Bestseller No. 4
Eponcia Gas Cap Fuel Tank Cap OEM for Toyota Scion, Tacoma Lexus ES350, GS350, GS460, LX470, 4Runner, Avalon, Camry, Corolla, Highlander, Matrix, RAV4 77300-06040 Automotive Replacement Oil Fuel Caps
- Part Number: Our gas cap replaces part number 77300-06040 (or 7730006040) and is designed for a variety of Scion, Toyota, and Lexus models. Before purchasing, carefully verify the model, year, and specifications to ensure a perfect fit
- Compatible with a variety of models: This fuel cap is compatible with major models from 2004 to 2016, including the Scion xD, xB, and tC series, as well as the Toyota Sienna, Tacoma, 4Runner, and Corolla. It's also compatible with luxury models like the Lexus ES350, GS series, IS series, RX350, and LX570, providing comprehensive coverage
- Excellent Seal: This fuel tank cap provides an excellent seal, effectively maintaining a tight fuel tank seal and reducing fuel vapor leakage, helping to improve fuel economy and prevent the check engine light from illuminating
- Sturdy and Reliable: This gas cap replacement is made of durable materials and features a structural design that resists aging, cracking, and loosening, providing a stable and reliable seal and a long service life
- Easy Installation: This gas cap cover is a brand-new, genuine part and can be installed directly out of the box. Installation typically requires only twisting the cap until it clicks into place. An old or damaged fuel tank cap may cause an engine alarm. It is recommended to replace it promptly
$9.99
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Bestseller No. 5
GM Genuine Parts GT295 (20915990) Fuel Tank Filler Cap
- Provides a tight seal to keep your vehicle's fuel tank closed
- A sealed fuel tank reduces vapor emissions which helps the environment
- Prevents lost fuel in order to help reduce your trips to the gas station
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
$15.45
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Bestseller No. 6
Gates 31835D Diesel Only Fuel Tank Cap
- gates rubber products 31835d fuel cap - diesel only
- Fit type: Vehicle Specific
- Model No: 31835D
- item package weight: 0.78 pounds
$12.21
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Bestseller No. 7
Gas Cap, Fuel Cap For Toyota Camry,4Runner,RAV4,Avalon,Corolla,Highlander,Tundra,Tacoma,Fj Cruiser,Land Cruiser,Sequoia,Sienna,Venza,Yaris, 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
- 【COMPATIBLE WITH】Gas Cap, Fuel Cap Replaces 77300-06040, 7730006040, Gas Cap Is 100% Rigorously Tested Before Shipping. Check The Part Number To Confirm The Compatibility Before Purchase.
- 【COMPATIBLE WITH TOYOTA VEHICLES】Gas Cap Compatible With 2007-2011 Camry (Exclude Calif or Hybrid Spec) | 2012-2013 Camry (Exclude PZEV Spec To 12/2012) | 2006-2012 RAV4 | 2010-2015 4Runner | 2007-2012 Avalon | 2005-2013 Corolla (From 08/2005 Exclude Japan Built Part) | 2007-2014 Fj Cruiser | 2007-2009, 2012-2013 Highlander (From 06/2006) | 2010-2011 Highlander (Exclude Japan Built) | 2005-2014 Land Cruiser (From 05/05 To 08/2014) | 2004-2013 Matrix (From 08/2005 Japan Built Part) | 2008-2016 Sequoia (To 06/2015) | 2007-2014 Sienna (To 08/2013) | 2007-2008 Solara | 2009-2014 Tacoma (To 09/2013) | 2007-2014 Tundra (To 08/2013) | 2009-2013 Venza (To 10/2012) | 2007-2011 Yaris
- 【COMPATIBLE WITH LEXUS VEHICLES】Gas Cap Compatible With 2007-2012 ES350 | 2007-2011 GS350 | 2007 GS430 | 2008-2011 GS460 | 2010-2015 GX460 (To 08/2014) | 2008-2014 IS F | 2006-2014 IS250 | 2006-2014 IS350 | 2006 LS430 (From 07/2005) | 2007-2012 LS460 | 2005-2007 LX470 (From 05/2005) | 2008-2015 LX570 (To 08/2014) | 2007-2014 RX350 (To 09/2013) | 2006-2010 SC430 (From 08/2005)
- 【EXCELLENT FUNCTION】High Quality Materials, Gas Cap, Fuel Cap Must Take 100% Inspected And Tested Multiple Times Before The Shipment, The Product Is Constructed Of Premium Material For Long Lasting Durability And Reliability. Direct Replacement, Easy Installation.
- 【TIPS】Enter Your Make, Model And Trim Level Into The Garage Tool To Make Sure The Part Fits Your Vehicle Before Purchasing!
$12.87
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Bestseller No. 8
Gas Cap, Fuel Cap For Kia soul,sedona,Forte,Sportage,Sorento,Spectra,Optima,Amanti,Cadenza,Rio & Hyundai Sonata,Elantra,Santa,Accent,Tucson,Azera,Entourage,Equus,Genesis,Genesis Coupe, Veloster
- 【FUEL CAP / GAS CAP TETHER COMPATIBLE WITH】31010-3L600U, 31010-3L600, Fuel Tank Filler Cap Is 100% Rigorously Tested Before Shipping. Check The Part Number To Confirm The Compatibility Before Purchase. GAS CAP For Kia & Hyundai Vehicles (Includ 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Years Series), Not All Of The Vehicles Are Listed, PLESE CHECK THE DROP DOWN BAR TO CHECK THE COMPATIBLE.
- 【COMPATIBLE WITH KIA】Gas Cap/ Fuel Cap Compatible with 2007-2009 Kia Amanti | 2009 Kia Borrego | 2014-2020 Kia Cadenza | 2010-2024 Kia Forte | 2010-2016 Kia Forte Koup | 2014-2018 Kia Forte5 | 2021-2025 Kia k5 | 2015-2020 Kia K900 | 2017-2022 Kia Niro | 2005-2020 Kia Optima | 2004-2006, 2012-2023 Kia Rio | 2006 Kia Rio5 | 2007-2010 Kia Rondo | 2005-2012, 2014-2021 Kia Sedona | 2021-2025 Kia Seltos | 2005-2009, 2011-2019 Kia Sorento | 2010-2025 Kia Soul | 2015-2019 Kia Soul EV | 2004-2009 Kia Spectra | 2005-2009 Kia Spectra5 | 2006-2022 Kia Sportage | 2018-2023 Kia Stinger | 2020-2022 Kia Telluride
- 【COMPATIBLE WITH HYUNDAI】Gas Cap Compatible with 2006-2022 Hyundai Accent | 2006-2017 Hyundai Azera | 2004-2020 Hyundai Elantra | 2013-2014 Hyundai Elantra Coupe | 2013-2020 Hyundai Elantra GT | 2007-2008 Hyundai Entourage | 2011-2016 Hyundai Equus | 2009-2016 Hyundai Genesis | 2010-2016 Hyundai Genesis Coupe | 2017-2022 Hyundai Ioniq | 2020-2025 Hyundai Palisade | 2005-2020 Hyundai Santa Fe | 2013-2018 Hyundai Santa Fe Sport | 2019 Hyundai Santa Fe XL | 2006-2023 Hyundai Sonata | 2005-2008 Hyundai Tiburon | 2005-2021 Hyundai Tucson | 2012-2017, 2019-2021 Hyundai Veloster | 2019-2022 Hyundai Veloster N | 2007-2012 Veracruz | 2020-2025 Venue
- 【EXCELLENT FUNCTION】High Quality Materials, Gas Cap, Fuel Cap Must Take 100% Inspected And Tested Multiple Times Before The Shipment, The Product Is Constructed Of Premium Material For Long Lasting Durability And Reliability. Direct Replacement, Easy Installation.
- 【REPLACE VEHICLES YEAR】Can Fit Vehicles Included Year 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020, Please Check The Year/Make/Model Carefully
$12.99
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SaleBestseller No. 9
RADHLBNIU Gas Cap 77300-06040 - Fuel Tank Cap Replacement For Toyota Scion, 4Runner, Avalon, Camry, Corolla, Highlander, Matrix, RAV4, Tacoma - Lexus ES350, GS350, GS460, LX470, xA, More
- 【Replace Part Number】77300-06040, 7730006040 fuel gas cap. Fit for Scion 2008-2013 xD, 2005-2006, 2008-2013 xB, 2006 xA,2011-2013 tC. Compatible With Toyota 2007-2014 Sienna(To 08/2013), 2007-2008 Solara, 2009-2014 Tacoma(To 09/2013), 2007-2014 Tundra (To 08/2013), 2009-2013 Venza(To 10/2012), 2007-2011 Yaris
- 【Compatible With Toyota Cars】2010-2015 4Runner, 2007-2012 Avalon, 2007-2011 Camry( NOT Calif or Hybrid Spec), 2012-2013 Camry (NOT PZEV Spec To12/2012), 2005-2013 Corolla (From 08/2005 NOT Japan Buit), 2007-2014 Fj Cruiser, 2007-2009,2012-2013 Highlander(From 06/2006), 2010-2011 Highlander(Exclude Japan Built), 2005-2014 Land Cruiser(From 05/05 To08/2014), 2004-2013 Matrix(From 08/2005 Japan Built Part), 2006-2012 RAV4, 2008-2016 Sequoia(To 06/2015)
- 【Compatible With Lexus Cars】2007-2012 ES350, 2007-2011 Lexus GS350, 2007 GS430, 2008-2011 Lexus GS460, 2010-2015 GX460(To 08/2014), 2008-2014 IS F, 2006-2014 1S250,IS350, 2006 LS430(From 07/2005), 2007-2012 LS460, 2005-2007 LX470(From 05/2005), 2008-2015 LX570(To08/2014), 2008-2015 RX350(To 09/2013),2006-2010 SC430(From 08/2005)
- 【Durable Construction】Provides a tight seal to keep your vehicle's fuel tank closed, safety your vehicle's occupants, fuel economy and reduce vapor emissions.
- 【Installation】Brand New and ready to install straight out of the box. Most fuel caps are sealed by turning them until you hear a clicking sound. An old, loose gas cap, cracked or otherwise faulty gas cap may causes your check engine light CEL turns on.
$9.95
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Bestseller No. 10
GM Genuine Parts GT364 (95292260) Fuel Tank Filler Cap
- Provides a tight seal to keep your vehicle's fuel tank closed
- A sealed fuel tank reduces vapor emissions which helps the environment
- Prevents lost fuel in order to help reduce your trips to the gas station
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
$18.05
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Best Fuel Tank Caps Buying Guide
Before choosing the best fuel tank caps you should consider following options:
1. Fuel Tank Cap Types: Fuel tank caps are available in two types: rubber and plastic. The most common caps are made from plastic.
Plastic caps are more affordable, lighter and easier to maintain. Rubber caps, on the other hand, last longer and can resist damage from ultraviolet rays.
2. Size: Fuel tank caps come in standard sizes, which makes it easy to find replacements. Note the tank cap size before buying new caps.
3. Durability: Fuel tank caps are exposed to harsh conditions, so you need to get something that can withstand abuse.
Look for caps made from durable materials, such as stainless steel. Caps with rubber gaskets are also a good choice because they won’t break down as quickly as plastic ones.
4. Ease of Use: Tank caps are required to contain fuel, so they have to be easy to open and close.
Consider fuel tank caps that have easy-to-use locking mechanisms. Caps with rubber gaskets are also easier to close because they create a tight seal.
5. Cost: Fuel tank caps are available in different price ranges, so you can get something that suits your budget.
What else you should know about fuel tank caps
1. What is the purpose of a fuel tank cap?
The purpose of a fuel tank cap is to seal the opening of the fuel tank. This helps to prevent fuel leakage and evaporation, and keeps dirt and water out of the tank.
2. How does a fuel tank cap work?
A fuel tank cap works by sealing the fuel tank and preventing fuel vapors from escaping.
3. What are the benefits of using a fuel tank cap?
There are several benefits to using a fuel tank cap:
1. It helps to prevent fuel evaporation, which can lead to loss of fuel and decreased gas mileage.
2. It helps keep water and other contaminants out of the fuel tank, which can clog fuel filters and lead to engine problems.
3. It helps prevent fuel leaks, which can be dangerous and costly.
4. What are the drawbacks of using a fuel tank cap?
Some drawbacks of using a fuel tank cap include the potential for the cap to leak, the cap not sealing properly, and the cap not fitting snugly on the fuel tank.
5. What are the different types of fuel tank caps available?
Some common types of fuel tank caps are vented, non-vented, locking, and threaded.
Conclusion
On the market, there are numerous best fuel tank caps. Hopefully, the list of the top ten best fuel tank caps will save you time researching and deciding on the best one for you.