Automotive replacement fuel tank locking mechanisms are essential for vehicle security and fuel integrity, primarily used to deter fuel theft and ensure a sealed fuel system. These products are crucial for maintaining fuel efficiency and preventing contaminants from entering the tank, particularly relevant for owners of older vehicles or those parked in high-risk areas. Products were evaluated based on compatibility, material durability, security features, user reviews, and feature analysis.
ZONFANT Locking Gas Cap W/2 Keys, Lock Fuel Cap Compatible With Chevy Honda Nissan Acura Mazda Cadillac GMC Vehicle 4Runner FJ Cruiser Silverado Camaro And More, Replace#10504 77300-47020
$8.86
Offers broad vehicle compatibility and highlights robust material properties like gasoline and chemical resistance, suggesting comprehensive protection.
Search on AmazonBookeel 1 PC Car Locking Gas Cap, ABS Plastic Car Fuel Tank Cap Replacement, Lock Fuel Cap with 2 Keys, Compatible with Dodge, Jeep, Chrysler, Ram, OEM 05278655AB, 5278655ab (Black)
Emphasizes quality, durable plastic and a secure seal, providing essential functionality without extensive additional features.
Search on AmazonLocking Gas Cap Fuel Tank with Key, Gas Cap Lock Locking Fuel Cap Cover Replacement for Toyota 4Runner, Chevy Silverado 1500 2500 3500, Nissan GMC Honda Subaru Buick #10504 77300-47020
Explicitly highlights a lockable design for theft prevention and utilizes high-quality ABS plastic and rubber for enhanced durability and a reliable seal.
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- 【Replacement Part Number】 - #10504, 31780, 77300-47020. Before Ordering, Please Confirm Compatibility And Wether Are Suitable For Your Vehicle!
- 【Compatible Vehicle】 - This locking gas cap compatible with 1999-2002, 2010-2019 4Runner | 1999-2004, 2007-2014, 2016 Avalon | 1999-2002, 2007-2016 Camry | 1999-2016 Corolla | 2007-2015 FJ Cruiser | 2001-2003, 2006-2016 Highlander | 2003-2013 Matrix...
- 【Advantage】 - Our locking fuel tank cap has gasoline resistance, chemical resistance, low fuel permeability and high sealing. This makes the locked fuel tank cap have a long service life and can reduce replacement. Direct Installation and convenient...
- 【High Performance】 - Professional, high quality locking gas cap with 2 keys that meets or exceeds all original equipment performance gas caps. Provides a tight seal to keep a vehicle's fuel tank closed, protecting vehicle occupants, saving fuel and...
- Product Type:Auto Part
- Item Package Weight:0.06 Kilograms
- Item Package Dimension:4.2 cm L X9.8 cm W X11.9 cm H
- Country Of Origin: United States
- COMPATIBLE WITH：【TOYOTA 】4runner Camry Corolla Sienna Tundra Rav4 Avalon Highlander Celica Echo Fj Cruiser Land Cruiser Tacoma Matrix Spyder Paseo Prius Sequoia Solara Tercel Venza Yaris【HONDA 】:Civic Civic del Sol CRV Accord Prelude Odyssey Fit...
- COMPATIBLE WITH：【CHEVROLET】: Silverado 1500 Silverado 1500 HD Silverado 2500 Silverado 2500 HD Silverado 3500 Silverado 3500 HD Malibu Malibu Limited Cruze Cruze Limited Colorado Express 1500 Express 2500 Express 3500 Express 4500 Express Cargo...
- COMPATIBLE WITH：【GMC】: Acadia Acadia Limited Canyon Savana 1500 Savana 2500 Savana 3500 Savana 450 Savana 4500 Sierra Sierra 1500 Sierra 1500 HD Sierra 2500 Sierra 2500 HD Sierra 2500 H Sierra 3500 Sierra 3500 HD Terrain Yukon Yukon XL 1500 Yukon XL...
- COMPATIBLE WITH：【INFINITI 】:Q40 Q45 Q50 Q60 8Q70 Q70L QX4 QX50 QX56 QX60 QX70 QX80 CADILLAC 】：ATS CTS ELR Escalade Escalade ESV Escalade EXT SRX XTS【SUBARU】：Ascent Baja BRZ Crosstrek Forester Impreza Legacy Outback Tribeca WRX WRX STI XV...
- Note: Gates partners with other manufacturers to supply the parts your car was originally built with. This product is in a Delphi package, however the part may have been manufactured by an independent Gates supplier.
- Gates Fuel Tank Cap 31832
- When Should I Replace My Gas Cap? - Because the cap is frequently removed every time fuel is added to the vehicle, it can wear out over time. If your gas cap no longer tightens properly, your Check Engine Light comes on, or if you're smelling fuel from...
- Replacement Part Number - 8U5Z-9C268-B, BU5Z-9C268-B, BU5Z-9C268-A. Commonly found on 09 10 11 12 13 14 15 16 17 18 19 Ford Edge, Escape, Expedition, Explorer, F150, Fiesta, Flex, Focus, Fusion, Mustang, Police Interceptor Sedan, Police Interceptor...
- Compatible with Select Ford Models - 2011-2014 Edge, 2009-2012 Escape, 2009-2017 Expedition, 2009-2019 Explorer, 2009-2014 F150, 2011-2019 Fiesta, 2009-2019 Flex, 2014-2018 Focus, 2010-2012 Fusion, 2010-2014 Mustang, 2013-2019 Police Interceptor Sedan...
- Compatible with Lincoln & Mercury Models - Lincoln Series - 2009-2015 MKS, 2010-2019 MKT, 2011-2015 MKX, 2010-2014 MKZ, 2009-2017 Navigator | Mercury Series - 2009-2011 Mariner, 2010-2011 Milan, 2009-2010 Mountaineer.
- Quality Material: Made from high-quality, durable plastic, this locking fuel cap ensures a secure seal to prevent fuel theft and leakage. The robust construction provides long-lasting performance and reliability.
- Function: Provides a tight seal to keep your vehicle's fuel tank closed, safety your vehicle's occupants, fuel economy and reduce vapor emissions. You might be able to fix your gas cap problem without visiting your local auto shop, saving both time and...
- Package Includes: The fuel cap measures 3 inches in outer diameter, 1.6 inches in inner diameter and 2.5 inches in height, making it a compact and efficient solution for securing your vehicle’s fuel tank. It comes with two keys for convenience.
- Applicable Range: This fuel cap is designed to fit fuel tanks with an OEM number 05278655AB or 5278655ab. This locking fuel cap is suitable for a wide range of Dodge, Jeep, and Chrysler vehicles, providing a universal fit for models requiring the...
- 🏆【Compatibility】 This fuel tank cap is compatible with Mercury 2009-2017 Navigator, 2008-2010 Mountaineer, 2010-2011 Milan, compatible with Lincoln 2009-2016 MKS, 2010-2019 MKT, 2011-2015 MKX, 2010-2012 MKZ, 2009-2017 Navigator, and compatible with...
- 🏆【Gas Cap Replacement】 This key gas tank cover is a perfect replacement for OEM#8U5A-9C268-B, 8U5Z9C268A, 8U5Z-9C268-B. Please check the OEM number carefully to make sure it has the same OEM number so that it will not work after purchase. If your...
- 🏆【Good Performance】 Our gas cap lock and key is made of premium quality ABS material with excellent durability. After rigorous testing, it ensures to provide a tight seal to keep your car clean. Whether it is an cold winter or a hot summer, gas cap...
- 🏆【Gas Cap Lock and Key】 Automotive replacement fuel tank caps with lock and key is designed to keep your car safe. This gas fuel tank cap can effectively stop trespassers from stealing gasoline from your gas tank or tampering with your gas tank...
- [Compatibility] The fuel lid actuator is compatible with 2016, 2017, 2018, 2019, 2020, 2021 Honda Civic Sedan, Coupe and Hatchback.
- [Replaces] 74700-TBA-A02, 74700TBAA02. Please confirm these part numbers match your original gas tank actuator before purchasing.
- [High Quality] The gas cap actuator is built with durable, high-quality materials, ensuring long-lasting and smooth performance. Even after numerous locking and unlocking cycles, it continues to operate smoothly and quietly, free of buzzing noise or...
- [Easy Installation] The fuel door tank actuator is easy to install. Simply replace the old or faulty unit to fix your gas tank lock problem and restore smooth gas door locking and unlocking.
This article is part of our complete guide Safety & Security — browse all our comparisons and buying guides.
Last update on 2026-10-17 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Fuel Tank Locking
Compatibility and Fitment Verification
When selecting an automotive replacement fuel tank locking cap, the primary concern is always compatibility. These components are not universal, and an incorrect fit can lead to issues ranging from a loose seal to an inability to install the cap at all. Products like the ZONFANT Locking Gas Cap and vvag Locking Gas Cap with Key provide extensive lists of compatible vehicles, often spanning multiple makes and models such as Toyota 4Runner, Chevy Silverado, and Honda CRV. It is crucial to cross-reference your vehicle's specific make, model, and year with the product's compatibility list. Many manufacturers, including Lyxheth, also provide OEM part numbers (e.g., #10504, 77300-47020) which should be matched against your existing cap or vehicle specifications for precise fitment.
Material Durability and Seal Integrity
The longevity and effectiveness of a locking fuel cap hinge significantly on its construction materials and the quality of its seal. In practice, a robust cap should withstand varying weather conditions, fuel exposure, and general wear and tear. Products such as the Tecledsn Locking Gas Cap Fuel Tank with Key are typically constructed from high-quality ABS plastic and rubber, designed to be sturdy, durable, and rust-resistant. Similarly, Lyxheth Locking Gas Cap highlights its plastic construction for corrosion and heat resistance. A proper seal is vital for preventing fuel evaporation, maintaining optimal fuel pressure, and keeping contaminants out of the tank, which also contributes to overall fuel economy, as noted in the description for the Bookeel Car Locking Gas Cap.
Security Mechanism and Key Reliability
The core purpose of a locking fuel cap is security, primarily to prevent gasoline theft. Users typically look for a reliable locking mechanism that is not easily bypassed. The vvag Locking Gas Cap with Key explicitly states its purpose to prevent gasoline theft, making it a direct solution for property protection. While most locking caps come with two keys, the quality and uniqueness of the key design can vary. Some products, like the ZONFANT Locking Gas Cap, imply advanced material properties that might contribute to overall security, though specific lock cylinder details are rarely provided. Considering the 'other products' mentioned, even options like the Hirificing Locking Gas Cap Fuel Tank with Key focus on preventing theft, indicating a standard feature, but the robustness of the lock itself is a key differentiator.
Pros & Cons
ZONFANT Locking Gas Cap W/2 Keys, Lock Fuel Cap Compatible With Chevy Honda Nissan Acura Mazda Cadillac GMC Vehicle 4Runner FJ Cruiser Silverado Camaro And More, Replace#10504 77300-47020
Pros
- Offers extensive compatibility across numerous vehicle makes and models.
- Features advanced material properties, including gasoline and chemical resistance.
- Designed for low fuel permeability, supporting fuel system integrity.
Cons
- Specific details on the locking mechanism's robustness are not extensively provided.
- Lacks explicit mention of ease of installation or anti-tampering features.
Bookeel 1 PC Car Locking Gas Cap, ABS Plastic Car Fuel Tank Cap Replacement, Lock Fuel Cap with 2 Keys, Compatible with Dodge, Jeep, Chrysler, Ram, OEM 05278655AB, 5278655ab (Black)
Pros
- Constructed from high-quality, durable plastic for reliable performance.
- Ensures a secure seal, contributing to fuel economy and safety.
- Straightforward replacement, focusing on core functionality.
Cons
- Compatibility appears more specific, potentially limiting broad application.
- Description focuses on basic dimensions rather than advanced security or material features.
Locking Gas Cap with Key, Gas Cap Lock Compatible with Toyota 4Runner Tacoma Nissan GMC Honda CRV Tundra Acura Infiniti Buick Cadillac Chevy, Fuel Tank Cap Lock Replacement #77300-47020 10504
Pros
- Explicitly designed for protecting property by preventing gasoline theft.
- Claimed to be a perfect replacement for specific OEM part numbers.
- Compatible with popular Toyota, Nissan, GMC, and Honda models.
Cons
- Material composition details beyond 'gas cap lock' are not fully elaborated.
- Does not specify features related to chemical resistance or fuel permeability.
Common Mistakes to Avoid
Overlooking Specific Vehicle Compatibility
A frequent error users make is assuming universal fitment for automotive replacement fuel tank locking caps. While many products, such as the ZONFANT Locking Gas Cap and the vvag Locking Gas Cap with Key, boast broad compatibility, their lists are specific. For instance, the ZONFANT product details specific years for models like the 4Runner and Silverado. Failing to verify your exact vehicle make, model, and year against these detailed lists can result in a cap that simply doesn't fit or doesn't seal properly, rendering its security features useless.
Ignoring OEM Part Number Verification
Many replacement caps are designed to match specific Original Equipment Manufacturer (OEM) part numbers. Products like the Lyxheth Locking Gas Cap and Tecledsn Locking Gas Cap Fuel Tank with Key explicitly list OEM replacements such as #10504, 77300-47020, and 31780. Users sometimes overlook this crucial detail, relying solely on vehicle model names. In practice, matching the OEM number is the most reliable way to ensure a precise fit and function, preventing issues with warning lights or improper sealing that can arise from a generic fit.
Underestimating Material Quality for Longevity
While all locking caps aim to secure fuel, the durability of the materials used directly impacts their lifespan and effectiveness. Some products, like the Tecledsn Locking Gas Cap Fuel Tank with Key, specify construction from 'high-quality ABS plastic and rubber,' highlighting sturdiness, durability, and rust resistance. The ZONFANT cap mentions 'gasoline resistance, chemical resistance, low fuel permeability.' A common mistake is choosing a cap without considering these material specifications, leading to premature cracking, fading, or a compromised seal over time due to exposure to fuel, chemicals, and environmental elements.
