Best Lawn Mower Gas Caps of 2025

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Lawn Mower Gas Caps are essential components for any petrol-powered lawn mower. These caps are designed to fit securely on the fuel tank of your lawn mower, helping to prevent fuel leaks and keep dirt and debris out of the tank. They come in a range of sizes and styles to fit various models of lawn mowers, and are typically made from durable materials such as plastic or metal. If you're looking for a reliable and long-lasting gas cap for your lawn mower, these products are a great option to consider.
At a Glance: Our Top Picks
Top 10 Lawn Mower Gas Caps
VGOL Replacement Fuel Tank Caps for Lawn Mowers
VGOL Fuel Tank Caps are designed to be compatible with various Honda engines, including the GC135, CG160, and GC190. Made from durable plastic, these caps are perfect for replacing old or broken fuel caps, ensuring your lawn mower operates smoothly. With the part numbers 17620-ZL8-003, 17620-ZL8-023, and 17620-ZL8-013, you can easily identify the right fit for your needs. This package includes two caps, providing you with a convenient spare, so you can always keep your equipment in top condition.
Husqvarna Pack of 2 Gas & Oil Caps
The Husqvarna Gas & Oil Caps come as a convenient pack of two, ensuring you always have a spare on hand. These genuine Husqvarna OEM caps are designed to fit a variety of models, including 435, 440, and 450 series, providing a perfect seal for your fuel tanks. With part number 544111201, you can trust their compatibility with your equipment. Using these caps helps to prevent fuel leaks, keeping your lawn mower in optimal condition and enhancing its performance.
shiosheng Air Filter Cleaner for Honda Engines
The shiosheng Air Filter Cleaner is designed to be compatible with various Honda gasoline engine models, including the GX25 and its variants. It comes with essential components such as an oil cap and a fuel cap, ensuring you have everything you need for efficient maintenance. This comprehensive assembly simplifies the upkeep of your lawn equipment, allowing you to keep your engines running smoothly. Additionally, the product fits a wide range of chainsaw models, making it a versatile choice for users.
Briggs and Stratton Gas Cap and Gauge
The Briggs Gas Cap is a genuine part designed for various Briggs & Stratton models. As an OEM component, it ensures compatibility and reliability, giving you peace of mind. This gas cap features an integrated gauge, allowing you to easily monitor fuel levels, so you can avoid running out unexpectedly. Its robust black design not only looks sleek but also stands up to outdoor conditions, making it a practical choice for your lawn mower.
Petrol Tank for Zipper Brush Cutters
The Zipper Brush Cutter Petrol Tank is a practical replacement part designed for specific Zipper models. This set includes a petrol tank, a fuel cap, and a fuel hose cuff, ensuring you have everything you need for efficient operation. With a length of 240 mm, width of 100 mm, and height of 71 mm, it fits neatly into your equipment. The distance between holes is 97 mm, making installation straightforward for users. This compatibility with various Zipper models, such as ZI-MOS145 and MOS911, simplifies maintenance and extends the life of your brush cutter.
Briggs & Stratton Fuel Tank Caps (2 Pack)
The Briggs & Stratton Caps are essential for maintaining your mower's performance. With part number 799585, they replace the older part 799684, ensuring compatibility with several engine series including 550E, 625E, and Professional Series 7.75-8.75 engines. These caps are brand new and come packaged securely, providing peace of mind that you are receiving undamaged items. This two-pack offers convenience, allowing you to have a spare cap on hand when needed.
HURI Chain Wheel for Chainsaws Fuxtec and Others
The HURI Chain Wheel is a high-quality spare part designed for various import chainsaws with a 52 cc 2-stroke engine. This chain wheel is compatible with models like Fuxtec CS 3.0 and CS 3.6, as well as Boomag-Germany and Rotfuchs chainsaws, ensuring versatility. It is important to note that these parts are not original but offer reliable performance. By choosing this product, you can maintain your chainsaw effectively, ensuring it runs smoothly and efficiently.
Kayimu Fuel Tank Cover for Ariens Models
The Kayimu Fuel Tank Cover is designed for specific Ariens models, including the 751-0603A, AM104032, AM107344, and Ariens 01538400. This packaging includes two high-quality fuel tank covers, ensuring you have a reliable spare on hand. The part number is clearly indicated, making it easy for you to identify the correct fit for your lawn mower. With its affordable price, this product offers great value without compromising on quality.
BOOSTI Petrol Tank Cover for Sheppach Lawnmowers
The BOOSTI Petrol Tank Cover is designed specifically for Sheppach MS 161-46 and MS 139-42 lawnmowers. Its high-quality workmanship ensures durability, providing you with a reliable solution for your fuel needs. This cover replaces the part number 5911240031, making it a direct fit for your lawnmower. With the inclusion of one fuel cap in the box, you can easily keep your lawnmower running smoothly, ensuring your gardening tasks are completed without interruptions.
Briggs & Stratton Fuel Tank Replacement Cap
The Briggs & Stratton Fuel Cap is an essential replacement part for your lawn mower. It is specifically designed to fit perfectly, ensuring that your fuel tank remains secure and free from leaks. By using this cap, you can avoid unnecessary spills, making your lawn maintenance tasks cleaner and more efficient. Additionally, it is readily available on Amazon, providing you with easy access to this vital component whenever you need it.
Frequently Asked Questions (FAQs)
1. Are all lawn mower gas caps the same size?
Mower gas caps are not universal, however, many caps may be interchangeable. A mower gas cap allows the mower gas tank to breathe and as such a properly fitting cap is important.
2. Can you use a lawn mower without the gas cap?
It's not just the danger of gas spilling out when you use a lawn mower without a gas cap either. You also need to be wary of what might get into the tank too. A contaminated gas tank can cause a lot of problems for your lawn mower. For example, water in a gas lawn mower tank can cause corrosion.
3. Are all gas caps compatible?
Yes they are, all cars and SUV's have a universal gas tank cap size. Just because all gas caps fit every car, does not mean that the car's sensors will work with every gas cap.
4. Are gas caps Universal size?
There are different types of gas caps, ranging from slow-release to cap-less. However, the gas caps for all types of vehicles are made to be universal and can fit to cover the gas tank in any vehicle.
During our lawn mower gas cap research, we found 11 lawn mower gas cap products and shortlisted 10 quality products. We collected and analyzed 4,747 customer reviews through our big data system to write the lawn mower gas caps list. We found that most customers choose lawn mower gas caps with an average price of £13.17.
The lawn mower gas caps are available for purchase. We have researched hundreds of brands and picked the top brands of lawn mower gas caps, including VGOL, Husqvarna, shiosheng, Briggs & Stratton, perfektGarten. The seller of top 1 product has received honest feedback from 240 consumers with an average rating of 4.9.

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.