
Fuel tank caps with tethers are available for purchase from several retailers, including Walmart and Amazon. They are also offered by automotive component manufacturers such as MotoRad. Fuel tank caps with tethers are designed to prevent the loss or misplacement of the cap, reducing the risk of fuel evaporation and contamination of the vehicle's fuel system. The tethered mechanism also offers convenient access and secure closure. While some fuel tank caps come with tethers, others are sold separately as replacement parts.
| Characteristics | Values |
|---|---|
| Fuel tank caps come with tethers | Yes, fuel tank caps with tethers are available for purchase. |
| Advantages of a tethered fuel cap | Tethered fuel caps prevent the loss of fuel caps, reduce the risk of fuel evaporation, and prevent contamination of the vehicle's fuel system. They also ensure convenient access and secure closure. |
| Examples of compatible vehicles | BMW, Jeep Wrangler, Porsche Boxster, Volvo S60, Volvo XC90 |
| Example retailers | Walmart, Amazon, MotoRad |
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What You'll Learn

Advantages of a tethered fuel cap
Tethered fuel caps are designed to keep the fuel cap attached to the vehicle, preventing it from being left behind on a gas pump, quarter panel, deck lid, or roof. This simple mechanism offers several advantages over traditional fuel caps:
Convenience and Accessibility
A tethered fuel cap provides convenient access to the fuel tank, making it easy to open and close securely. The tether ensures that the cap remains attached to the vehicle, so drivers don't have to worry about misplacing or losing the cap, especially during refueling.
Cost-Effectiveness
The tethered design saves money in the long run by eliminating the need to frequently replace lost or misplaced fuel caps. With the cap securely tethered to the vehicle, there is less likelihood of it being left behind or forgotten, reducing the frequency of replacement.
Fuel Evaporation and Contamination Prevention
By keeping the fuel cap with the vehicle, the tether reduces the risk of fuel evaporation. This not only prevents fuel wastage but also maintains the integrity of the fuel system by avoiding contamination. A secure closure ensures that the fuel remains contained and protected from external elements.
Peace of Mind for Drivers
Tethered fuel caps offer a sense of security and peace of mind to drivers. Knowing that the fuel cap is always within reach and securely attached reduces the stress and anxiety associated with the possibility of losing the cap or experiencing fuel-related issues due to an unsecured cap.
Durability and Reliability
Tethered fuel caps, such as those offered by MotoRad, are engineered and rigorously tested to meet high standards of quality and reliability. They are manufactured with long-lasting durability in mind, ensuring that the tether mechanism can withstand regular use without easily wearing out or breaking.
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Fuel tank caps that come with tethers
Fuel tank caps with tethers are available for purchase at various retailers, including Walmart, Amazon, and CarParts.com. These fuel caps are designed to prevent the loss or misplacement of the cap, reducing the risk of fuel evaporation and contamination of the fuel system. The tether also provides convenient access and secure closure, giving drivers peace of mind on the road.
Several options for fuel tank caps with tethers are available on Amazon, including universal fit and vehicle-specific options. For example, the RERPRO Fuel Gas Cap Tether is compatible with 2018-2024 Jeep Wrangler JL 2/4 Door 4XE Gladiator JT models. It serves as a replacement fuel tank cap rope and fuel filler gas lanyard. Another option is the Fuel Tank Cap Tether Cable Wire Replacement, which is suitable for early BMW Z4 models and some diesel vans. However, some customers have noted that the ends of this tether may be too small to stay in the hole securely.
Walmart also offers a range of fuel tank caps with tethers, such as the Dorman 55300 Universal Fuel Cap Tether, which is available at a discounted price. Additionally, they provide fuel cap retaining straps, such as the yotijar Fuel Cap Retaining Strap, compatible with specific Volvo, Porsche, and Audi models. These retaining straps serve as fuel tether gas ropes to secure the fuel tank cap.
CarParts.com offers gas cap tethers as replacement parts, with prices starting at $14. MotoRad is another manufacturer that produces tethered fuel caps, boasting high-quality, durable, and interchangeable designs that meet OEM quality standards. Their products are engineered for optimal performance and extensively tested for reliability.
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Fuel cap retaining straps
Fuel tank caps may or may not come with tethers, depending on the make and model of the vehicle. Tethers are used to keep the fuel cap attached to the vehicle, preventing it from being lost or misplaced. They are typically made of a durable material such as metal or plastic and are designed to withstand the elements.
Some vehicles have fuel cap retaining straps or tethers that are built into the fuel cap assembly, while others may have them as separate components that can be purchased and installed separately. These retaining straps are often vehicle-specific, designed to fit particular makes and models of vehicles.
For example, the Volvo 31336424 fuel cap retaining strap is designed for specific Volvo models, including the 2015 XC60, 2012 XC60, and 2012 XC90. However, it does not fit all Volvo models, and some customers have noted that it can be too tight, affecting the rotation of the gas cap.
Another example is the Dorman 55300 Universal Fuel Cap Tether, which is marketed as a universal fit for various vehicles. However, reviews indicate that the fit can be an issue, with the tether length being too short and the retaining strap not rotating easily around the gas cap.
When purchasing a fuel cap retaining strap, it is important to ensure compatibility with your specific vehicle to avoid issues with fit and function.
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Compatibility with different car models
Fuel tank caps with tethers are available for a wide range of car models, with some sources claiming "extensive interchange compatibility". MotoRad, for example, offers a comprehensive catalog of high-quality fuel caps that are designed for optimal performance and durability. Each of their fuel caps is engineered and rigorously tested to meet OEM quality standards, ensuring reliability and longevity across various vehicle models.
However, it is important to note that not all fuel caps are created equal, and there are variations across different vehicle makes and models. While some gas caps are interchangeable between manufacturers, many are designed to fit specific fuel tanks, often tailored to the vehicle's fuel system requirements.
Universal gas caps, for instance, are designed to fit multiple vehicle makes and models, but they may not guarantee an exact fit or a proper seal for every vehicle. Manufacturer-specific gas caps, on the other hand, are made specifically for a vehicle model by the original manufacturer, ensuring a perfect fit and compatibility.
When selecting a fuel tank cap with a tether, it is essential to choose one that corresponds correctly with your vehicle's specifications. This is crucial not only for maintaining optimal vehicle performance but also for ensuring proper sealing of the fuel tank, which helps prevent fuel evaporation and restricts the release of harmful gases, contributing to emission control and environmental protection.
Some specific car models that are compatible with fuel tank caps with tethers include the 2003-2014 Volvo XC90, the 1997-2012 Porsche Boxster, and certain BMW models.
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Customer reviews of fuel cap tethers
One customer, an auto service professional, notes that their customers like having a tethered fuel cap because it saves them money in the long run by preventing lost caps. This customer, however, finds tethered fuel caps elusive in the aftermarket, as suppliers and manufacturers seem reluctant to produce them, possibly due to patent rights issues.
Online retailers like Amazon and Walmart offer a range of fuel cap tethers, with prices varying from $6.29 to $17.22. Some products receive ratings as low as 2.5 stars out of 5, but others have no ratings at all, making it difficult to determine the overall customer sentiment for these specific products.
The reviews that are provided, however, offer mixed feedback. For example, the Dorman 55300 Universal Fuel Cap Tether, available on Walmart, has a 2.5-star rating with only two reviews. One reviewer gave it a 5-star rating, indicating that it worked as expected, while the other reviewer gave it only one star, stating that it did not fit their vehicle despite being advertised as a universal fit.
It is worth noting that the availability of fuel cap tethers varies by vehicle make and model, and some vehicles, like certain models of the Porsche Boxster and Volvo XC90, seem to have more options for aftermarket tethers than others.
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Frequently asked questions
Fuel tank caps can come with tethers, but they are often sold separately as replacement parts.
A tethered fuel tank cap can help prevent the cap from being misplaced or lost, reducing the risk of fuel evaporation and contamination of your vehicle's fuel system.
Fuel tank cap tethers are available at various retailers, including Walmart, Amazon, and CarParts.com.
Installation of a fuel tank cap tether can vary depending on the vehicle and product. Some products may require tools for installation, while others may be installed without any tools. It is recommended to refer to the specific product instructions for proper installation guidance.











































