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Best Lawn Mower Gas Caps of 2026

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Bryan Hicks

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Lawn mower gas caps are an essential component of any lawn mower. These caps are designed to fit securely onto the gas tank of the mower, preventing any gas from leaking out while the mower is in use. They are typically made from durable materials like plastic or metal, and are designed to withstand exposure to the elements. Many lawn mower gas caps also feature a tether or strap to keep them attached to the mower, ensuring that they are always readily available when needed. Whether you are a homeowner with a small lawn or a professional landscaper with a large fleet of mowers, lawn mower gas caps are an important accessory to have on hand.

At a Glance: Our Top Picks

Top 10 Lawn Mower Gas Caps

#TOP 1

JSP 10 Pack Universal Yellow Fuel Can Vent Caps

JSP 10 Pack Universal Yellow Fuel Can Vent Caps Cover

10 Pack Universal Large Yellow Fuel Gas Can Vent Caps Chilton Briggs Rotopax Gott

The JSP Yellow Fuel Vent Caps come in a convenient 10-pack, making it easy for you to replace or upgrade multiple fuel cans at once. Designed with a new and improved retaining lip, these caps stay securely in place after installation, ensuring you don't have to worry about them coming loose. You can install these vent caps on any non-vented plastic fuel cans, which helps speed up fuel flow and prevents leaks, giving you a safer and more efficient refueling experience. Plus, they are made right here in the USA, so you can trust their quality and durability. Just drill a small hole and press the vent cap in to enjoy these benefits.

9.9
FTB Score

What We Like

  • Affordable price
  • Improved gas can pouring
  • Easy installation
  • Good fit and sizing
  • Quality construction

What We Don't Like

  • Plastic durability unclear
  • Need to check size before buying

What Customers Say

"I found these vents to be an excellent value and they really made pouring from my gas can much easier. Very satisfied with how well they work."

"I ordered the 1/2-inch size breather caps after realizing there are two sizes. They arrived fast and fit snugly into my plastic gas can. The quality looks solid to me."

"These vents are easy to install—just drill a hole and pop them in. There's lots of info on sizing, so placement was simple. I can't speak to long-term plastic quality yet, but so far, so good."

#TOP 2

Oregon Fuel Cap 07-314 for Tecumseh 35355

Oregon Fuel Cap 07-314 for Tecumseh 35355 Cover

Oregon 07-314 Fuel Cap Tecumseh Part 35355

The Oregon Fuel Cap 07-314 is designed to replace the Tecumseh 35355 fuel cap, making it a reliable choice if you need a direct replacement. It fits most plastic fuel tanks, which means you can use it on a variety of lawn mower models without worry. The cap is made to fit a 1-1/2-inch fuel tank opening, ensuring a secure and proper fit for your equipment. Its classic black color not only looks clean but also helps hide dirt and grime, keeping your mower looking neat. Overall, this fuel cap offers convenience by providing a perfect fit and easy replacement for your mower’s fuel system.

9.8
FTB Score

What We Like

  • Perfect fit for most models
  • Easy installation
  • No leaks or spills
  • Solid build quality
  • Restores proper venting

What We Don't Like

  • Possible sizing mismatch
  • Product description occasionally unclear

What Customers Say

"After my snowblower’s original cap cracked, I did my homework and found this replacement. Build quality is excellent, it dropped right in, and my snowblower works perfectly again. Happy with how well it matched the original."

"My old mower cap lost its splash guard, and I kept losing gasoline. This new cap fit flawlessly and solved the spill problem completely—wish I’d replaced it sooner."

"I needed a cap for a 1.5-inch opening and this one, although well made, turned out to be much too large for my needs. The quality is there, but the description didn’t match the actual size."

#TOP 3

M MATI Fuel Cap for Club Car, Ariens, John Deere

  • M MATI
  • 01538400 125-384 1015188 1027516-01
  • Black
M MATI Fuel Cap for Club Car, Ariens, John Deere Cover

Fuel Cap 2-1/4" Gas Cap fit for Club Car Carryall-294 XRT1500 for Ariens Mini-Zoom Sport-Zoom EZR HVZ for John Deere STX SRX for MT-D Riders 01538400 125-384 1015188 1027516-01

The M MATI Fuel Cap is designed to fit a variety of outdoor equipment, including models from Club Car, Ariens, Exmark, John Deere, and MT-D. Made from durable polyethylene, this fuel cap ensures long-lasting use and resistance to wear. It features a built-in rubber seal that provides a tight, secure fit to prevent fuel leaks and maintain safety. Installation is simple—you just need to twist the cap onto the fuel tank, making it easy to replace or install without extra tools. This fuel cap offers convenience and reliable performance for your lawn mower or utility vehicle.

9.6
FTB Score

What We Like

  • Good compatibility with various mowers
  • Durable material quality
  • Effective sealing performance
  • Resistant to gasoline exposure

What We Don't Like

  • No known original cap comparison

What Customers Say

"I used this gas cap on my pressure washer’s gas tank and it worked perfectly!"

"After two months of use, I’ve noticed no material wear or breakdown even with constant exposure to gasoline. It fits exactly as needed."

"I put this on my Husqy ride-on mower after the old cap leaked when the tank was full. This new one seals perfectly and feels sturdily built."

#TOP 4

MTD 951-12533 Red Fuel Cap for Lawn Equipment

MTD 951-12533 Red Fuel Cap for Lawn Equipment Cover

MTD 951-12533 Red Fuel Cap Assembly for Troy-Bilt Yard-Machines Craftsman Bronco Tracker Super Storm Squall 400 300 2100

The MTD Red Fuel Cap is designed to replace several previous models, making it a versatile choice for your lawn equipment. It fits many popular brands like Troy-Bilt, Craftsman, and Yard-Machines, so you can trust it to work with your gear. This fuel cap is compatible with a wide range of machines, including rototillers and snow blowers, providing you with a reliable seal for your fuel tank. Before buying, it's a good idea to check your owner's manual to make sure it's the right fit for your specific model. The MTD Red Fuel Cap offers convenience and peace of mind by keeping your fuel secure and your equipment running smoothly.

9.6
FTB Score

What We Like

  • Perfect replacement fit
  • Fast shipping
  • Hard-to-find item availability
  • Good value price

What We Don't Like

  • Limited store availability

What Customers Say

"When my snowblower's gas cap broke, this product was a spot-on replacement. I really appreciated the quick shipping and that it matched the description exactly."

"After searching at local stores for a gas cap for my 20-year-old snow blower with no luck, I finally found the right one here. It worked perfectly and was easy to get!"

"I found the same quality gas cap here for less, and it shipped much faster than I would have gotten from a big box hardware store, especially since those stores only had it in stock in Canada."

#TOP 5

Manostia Gas Fuel Tank Cap for Troy Bilt Craftsman MTD YardMan

  • Manostia
  • FY241107
  • Black
Manostia Gas Fuel Tank Cap for Troy Bilt Craftsman MTD YardMan Cover

Gas Fuel Tank Cap for Troy Bilt Craftsman MTD YardMan Fuel Cap Part#951-12533, 951-10649 Replaces 751-10649, 751-10649A, 751-12532, 751-12533, 951-10649, 951-10649A, 951-12532

The Manostia Troy Bilt Fuel Cap is designed to fit various Troy Bilt, Craftsman, MTD, and YardMan models, including the Bronco CRT tiller and 208cc machines. This replacement cap ensures compatibility with several original part numbers, making it a versatile option for your equipment. Made to meet OEM quality standards, it guarantees a perfect fit and easy installation, so you won't have to worry about complicated setups. Each cap undergoes strict testing and inspection to help improve your machine’s performance, saving you time and money on maintenance by keeping your fuel system secure and reliable.

9.4
FTB Score

What We Like

  • Perfect fit
  • Good value
  • Easy installation
  • High quality
  • Works as expected

What We Don't Like

  • Not as pictured

What Customers Say

"I’m really pleased with the perfect fit and affordable price of this gas cap. It worked just right for my needs."

"After losing our original in the snow, I was relieved this cap fit our Yardman snowblower exactly—now we’ll even have a spare come spring!"

"This cap was an excellent replacement for my leaking Briggs & Stratton tank cap on my snowblower. No issues at all."

#TOP 6

JRL Fuel and Oil Caps for STIHL Chainsaws

JRL Fuel and Oil Caps for STIHL Chainsaws Cover

JRL Fuel Cap Oil Cap for STIHL MS210 MS230 MS240 MS250 MS250C MS260 MS340 MS360 MS360C MS200 MS192T 021 023 024 025 026 034 036 Chainsaw Replace 0000-350-0525

The JRL STIHL Fuel Caps are designed as replacement parts compatible with many popular STIHL chainsaw models. These caps fit a wide range of models, including MS210, MS230, MS250, MS260, MS340, and MS360 series, making them highly versatile for users who own different chainsaws. The package includes both a fuel cap and an oil cap, providing you with the convenience of replacing both at once. By using these caps, you ensure a secure seal for your chainsaw’s fuel and oil tanks, which helps prevent leaks and keeps your equipment running smoothly during use.

9.2
FTB Score

What We Like

  • Affordable price
  • Good fit
  • No leaks
  • Works like OEM part
  • Quick delivery

What We Don't Like

  • Occasional durability concerns
  • Confusing product listing

What Customers Say

"I was surprised at how well these aftermarket caps fit both my backpack blower and chainsaw. No leaks at all, and for the price, I picked up a couple. Great for a budget fix!"

"These caps were a perfect replacement for my Stihl MS210c. I had a persistent bar oil leak, and replacing the cap completely solved the issue. Highly recommend if you need a simple fix."

"I only received a gas cap instead of both a gas and oil cap, which was a bit confusing since the ad showed two. The gas cap works fine, but I still need the oil cap."

#TOP 7

JSP Manufacturing Large Yellow Fuel Can Vent Cap (10 Pack)

JSP Manufacturing Large Yellow Fuel Can Vent Cap (10 Pack) Cover

Aftermarket Large Yellow Fuel Gas Can Vent Cap Compatible with Chilton Briggs Rotopax Gott Anchor Rubbermaid (10)

The JSP Large Yellow Vent Caps come in a convenient 10-pack, making it easy to upgrade multiple fuel cans at once. These caps feature a new and improved design with a retaining lip that keeps the vent securely in place after installation, so you don’t have to worry about it coming loose. They are designed to fit any plastic fuel cans without vents, helping you get a faster, leak-free fuel flow for more efficient pouring. Plus, these versatile vent caps work with both plastic and metal fuel jugs, though you’ll need to drill a small hole to install them properly. This makes them a flexible and practical solution for many fuel containers.

9.1
FTB Score

What We Like

  • Easy installation
  • Improved fuel flow
  • Reduces fill time
  • No leaks observed
  • Good value

What We Don't Like

  • Drill bit size compatibility

What Customers Say

"I noticed a huge improvement in how smoothly gas pours from my cans after installing this vent. It was affordable and simple to set up—I even used a 1/2” drill bit and got a tight, leak-free seal. Really happy with the result."

"I bought a set to add vents to multiple gas cans and used the recommended 31/64'' drill bit for perfect fit. Even on seams, there were no leaks at all. Now, filling my tank from the cans is way easier and faster. I might not need all 10, but the convenience is worth it."

"I gave it 4 stars because the vent requires a 31/64'' drill bit, which isn’t as common as a 1/2'' bit. Otherwise, it improves fuel flow from my cans and does its job well."

#TOP 8

FarShiller 594061 Fuel Tank Cap

FarShiller 594061 Fuel Tank Cap Cover

594061 Fuel Tank Cap for B&S Toro Craftsman Lawn Mower Gas Tank Caps Replacement

FarShiller Gas Cap is a replacement fuel tank cap designed for B&S, Toro, and Craftsman lawn mowers. It replaces B&S 799585 and 799684 fuel tank caps, ensuring a secure fit for your Toro, Craftsman, or Troybuilt mower with B&S 675exi and 725exi series engines. This gas cap provides a snug closure, preventing fuel leakage and maintaining optimal engine performance. With a package list that includes 1x fuel tank cap, you can easily replace your old or lost cap, keeping your lawn mower running smoothly.

9.1
FTB Score

What We Like

  • Extra o-ring included
  • Quick delivery
  • Snug fit for some models
  • Prevents cap popping off

What We Don't Like

  • Compatibility issues with some mowers
  • Fit may not be perfect

What Customers Say

"I'm a small engine repair person on the side and was pleased that this cap came with an extra o-ring. It fit my mower snugly, and I was able to use the o-ring on my old gas cap too. The fast shipping was a bonus!"

"The cap was supposed to be a replacement for my Toro 22in Recycler, but unfortunately, it did not fit my lawnmower as advertised."

"No more worrying about the cap popping off while mowing—the new one works perfectly and stays on tight!"

#TOP 9

Arnold Gas Cap OEM-751-10300

  • Arnold
  • OEM-751-10300
  • black
  • Pack of 1
Arnold Gas Cap OEM-751-10300 Cover

Arnold OEM-751-10300 Genuine Parts Replacement Gas Cap for 4.5-6.5 HP Engines

Arnold Gas Cap OEM-751-10300 is a replacement gas cap designed for 4.5-6.5 HP engines. With compact dimensions of 4.95 x 1.45 x 6.83 inches and a lightweight of 0.2 pounds, this gas cap from China is a convenient fit for your gas-powered equipment. The Arnold gas cap ensures a secure closure, preventing fuel leakage and maintaining engine performance. Its genuine parts guarantee a reliable replacement, ideal for lawn mower gas caps.

9.1
FTB Score

What We Like

  • OEM fit and compatibility
  • Sturdy build quality
  • Easy installation
  • No fuel leaks or fumes
  • Fast shipping

What We Don't Like

  • Not a perfect fit

What Customers Say

"I replaced the gas cap on my older Craftsman mower with a Briggs & Stratton engine and it fit perfectly. The cap feels solid and seals tightly, with no more fuel smell or loose fit. Installation was a breeze—took just seconds—and it arrived quickly. Definitely worth paying a bit extra for a reliable OEM replacement."

"I was looking for a cap for my Briggs & Stratton Yard Machine 6hp mower and this one fit even better than the original. It feels more durable and was actually cheaper than other options I found."

"After my old cap fell apart and I couldn’t find a replacement locally, I tried this one on my MTD mower. The quality of the plastic is excellent and it was a perfect match for my machine."

#TOP 10

TSYCWQ Gas Fuel Tank Cap for Craftsman Troy-Bilt MTD Snow Blower

  • TSYCWQ
  • YXG1991
  • Black
TSYCWQ Gas Fuel Tank Cap for Craftsman Troy-Bilt MTD Snow Blower Cover

Gas Fuel Tank Cap Fit For Craftsman Troy Bilt MTD Troy-Bilt Vortex 2890 Snow Blower Model# 31AH55Q8711 Part# 951-12533 951-10649 751-10649A 751-12532 751-12533 951-0649A 951-12532 Fuel Tank Cap

The TSYCWQ Fuel Tank Cap is designed to fit Craftsman, Troy Bilt, and MTD equipment, making it a versatile replacement part that ensures a secure fit. Its leak-proof sealing helps prevent fuel spills and evaporation, saving you money and keeping your workspace safe. Made from tough, weather-resistant materials, this cap can handle outdoor conditions and daily wear, so you won't have to worry about frequent replacements. By restoring the fuel system’s integrity, it helps your equipment run smoothly and avoid issues caused by a faulty cap. Plus, it's easy to install, allowing you to replace it yourself without any special tools or hassle.

9.1
FTB Score

What We Like

  • Good replacement fit
  • Adequate construction quality
  • Proper sealing performance
  • Compatible with multiple models

What We Don't Like

  • Slightly longer neck

What Customers Say

"I needed a replacement gas cap for my DuroMax generator, and this one fit the specs. It works perfectly as a substitute for my broken cap."

"The quality and construction of this cap are more than sufficient for a replacement. It seals tightly and fits well."

"The neck is just a bit longer than my original, but it still screws in and tightens securely."

Lawn Mower Gas Caps Comparison Table

#TOP 1 JSP 10 Pack Universal Yellow Fuel Can Vent Caps Cover

JSP 10 Pack Universal Yellow Fuel Can Vent Caps

#TOP 2 Oregon Fuel Cap 07-314 for Tecumseh 35355 Cover

Oregon Fuel Cap 07-314 for Tecumseh 35355

#TOP 3 M MATI Fuel Cap for Club Car, Ariens, John Deere Cover

M MATI Fuel Cap for Club Car, Ariens, John Deere

#TOP 4 MTD 951-12533 Red Fuel Cap for Lawn Equipment Cover

MTD 951-12533 Red Fuel Cap for Lawn Equipment

#TOP 5 Manostia Gas Fuel Tank Cap for Troy Bilt Craftsman MTD YardMan Cover

Manostia Gas Fuel Tank Cap for Troy Bilt Craftsman MTD YardMan

#TOP 6 JRL Fuel and Oil Caps for STIHL Chainsaws Cover

JRL Fuel and Oil Caps for STIHL Chainsaws

#TOP 7 JSP Manufacturing Large Yellow Fuel Can Vent Cap (10 Pack) Cover

JSP Manufacturing Large Yellow Fuel Can Vent Cap (10 Pack)

#TOP 8 FarShiller 594061 Fuel Tank Cap Cover

FarShiller 594061 Fuel Tank Cap

#TOP 9 Arnold Gas Cap OEM-751-10300 Cover

Arnold Gas Cap OEM-751-10300

#TOP 10 TSYCWQ Gas Fuel Tank Cap for Craftsman Troy-Bilt MTD Snow Blower Cover

TSYCWQ Gas Fuel Tank Cap for Craftsman Troy-Bilt MTD Snow Blower

Brand JSP Manufacturing Oregon M MATI MTD Genuine Parts Manostia JRL JSP Manufacturing FarShiller Arnold TSYCWQ
Color Yellow Black Black Red Black - Yellow Bronze black Black
Material Plastic Plastic Polyethylene Metal Plastic - Metal, Plastic Metal Gold Plastic
Exterior Finish Plastic Plastic Polyethylene Red Plastic - Metal,Plastic Bronze Brass Black
Vehicle Service Type Lawn Mower - Lawn Mower - Lawn Mower - - Lawn Mower Lawn Mower Lawn Mower, Snow Blower
Item dimensions L x W x H 4 x 4 x 4 inches 3.15 x 3 x 1.5 inches - 16 x 10 x 1 inches - - 4 x 4 x 4 inches - 4.75 x 6.63 x 1.25 inches -
FTB Score
9.9
9.8
9.6
9.6
9.4
9.2
9.1
9.1
9.1
9.1
Where to Buy

Frequently Asked Questions (FAQs)

1. Are all lawn mower gas caps the same?

No, lawn mower gas caps are not universal. Each gas cap is designed to fit a specific lawn mower model, so what fits for one may not fit another. It's important to find the correct gas cap for your specific lawn mower to ensure a proper fit.

2. Can you use a lawn mower without a gas cap?

Using a lawn mower without a gas cap is not recommended. Without a gas cap, fuel vapors can escape from the tank, leading to incorrect emissions system outputs and a possible illuminated check engine light. Additionally, dirt and grime can enter the gas tank, potentially causing engine damage.

3. Are replacement gas caps universal?

While there are different types of gas caps available, such as slow-release or cap-less, gas caps are not fully universal. The sizes and designs of the filler necks on different vehicles vary by make and model. It's best to consult your car's owner's manual or contact a local auto parts store or dealership to find the correct size gas cap for your specific vehicle.

4. How do I know what size gas cap I need?

To determine the correct size gas cap for your vehicle, consult your car's owner's manual or contact a local auto parts store or dealership. They can provide you with the information you need and help you find the right gas cap for your specific make and model.

5. What happens if you don't have a gas tank cap?

Driving a vehicle without a gas tank cap can result in various issues. It can lead to diminished gas mileage as fuel may evaporate without a fully-sealed fuel filler. Additionally, the smell of fuel evaporating from the tank can be present, causing a decrease in gas mileage.

Editor's Notes

During our lawn mower gas cap research, we found 24 lawn mower gas cap products and shortlisted 10 quality products. We collected and analyzed 28,954 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 $7.54.

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 JSP Manufacturing, Oregon, M MATI, MTD Genuine Parts, Manostia. The seller of top 1 product has received honest feedback from 666 consumers with an average rating of 4.9.

Written by

Bryan Hicks Avatar

Bryan Hicks

Bryan Hicks is a professional gardener and a writer who lives in North Texas with his family and his dog. Bryan has spent more than half of his life surrounded by garden products. He has extensive experience in garden makeovers and maintenance and lawn care. His areas of expertise include outdoor decoration, gardening and garden design.