Looking for the best replacement fuel O-rings? We’ve tested and compared the top 10 options to help you find the perfect, leak-proof solution for your fuel system needs.
Fuel leaks can be a big headache, but the right O-rings make all the difference. Whether you’re fixing a gas can, fuel injector, or boat cap, quality seals keep things running smoothly. We’ve tested and compared the best replacement fuel O-rings to save you time and money.
These durable, leak-proof rings are easy to install and work with gasoline, diesel, and more. Discover the perfect fit for your needs and say goodbye to messy leaks for good.
List of Top 10 Replacement Fuel O-Rings
| Image | Title | Best For | Price |
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NBRINGO 10-Pack Fuels Jug Cap O Rings – Replacement 3043B O-Ring for VP Racing Fuels 3042 Utility Jug Caps – Leak Proof Seal |
This product is perfect for anyone who needs a leak-proof seal for their racing fuel containers or utility jugs. It’s ideal for DIY enthusiasts looking for an easy, reliable fix. |
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Captain O-Ring – Replacement 3043B O-Rings for VP Racing Fuels 3042 Gas Can/Utility Jug Caps (6 Pack) |
This product is perfect for anyone with a VP Racing Fuels 3042 gas can or utility jug that needs a quick fix. If your jug cap is leaking, these replacement o-rings will restore it to working order. |
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RARAYC 50 PCS FKM Fuel Injector O-Ring Set 7.52mm X 3.53 mm Universal Repair Kit for Various Vehicle Model Blue Compatible with IWP043 IWP063 IWP069 IWP181 0280158233 0280158091 |
This set is perfect for mechanics, DIY car owners, and auto shops that need a simple way to fix fuel injector leaks fast. It’s great for anyone who wants strong, durable, and easy-to-install o-rings. |
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Fuel Line O-Ring Kit Compatible with 800-013 – Viton FKM Fuel O Rings for 5/16″ & 3/8″ Quick Connect Fittings – 20 Pack Replacement for 217-452, 22514722, 22516256 |
This Fuel Line O-Ring Kit is perfect for mechanics, technicians, and DIYers who need a reliable and cost-effective solution for fuel system repairs. It’s ideal for anyone working on cars, motorcycles, boats, or lawn equipment where leak-free sealing is essential. |
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FEL-PRO ES 72311 Fuel Injector O-Ring Kit |
The FEL-PRO ES 72311 Fuel Injector O-Ring Kit is perfect for anyone needing a reliable, high-quality fix for their fuel injector. It’s ideal for those who want a perfect fit and trust in their vehicle’s performance. |
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(8 Pack) Replacement O-Ring Gasket Compatible with Scepter SmartControl Fuel Can Spouts, Fits FR1G101, FR1G201, FSCG501, FSCG502, FR1D501, FSCD501, FSCK501, FR1K501, 00271R, Buna-N Rubber Seal Rings |
This 8-pack of O-ring gaskets is perfect for anyone with Scepter SmartControl fuel cans. If you need to replace worn or damaged seals, these Buna-N rubber rings are easy to install and help prevent leaks and odors. |
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Captain O-Ring – 800-013 Fuel Line Viton/FKM O-Rings – 6 Each, 5/16 In and 3/8 Inch (12 Pack) |
Captain O-Ring’s 800-013 Fuel Line O-Rings are perfect for anyone fixing fuel lines. Whether you’re a DIY enthusiast or a professional mechanic, these durable, high-temp o-rings save you time and money by preventing leaks and extending the life of your fuel system. |
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Fuel Line Quick Disconnect O-Ring Kit Compatible with Harley-Davidson EFI Models 2001+, Fuel Tool Check Valve O-Rings and Male Fuel Line End O-Rings Set, Fits Street Glide Road King Softail Sportster |
This Fuel Line Quick Disconnect O-Ring Kit is perfect for Harley-Davidson owners with 2001+ EFI models. It’s ideal for those needing to replace worn O-rings to fix leaks or improve fuel system performance. |
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Boat Gas Cap 1.75“ o Ring- suitbale for Perko 540 Series Fuel Cap, Replacement for 54000099B Sealing Rubber O-Ring (4 Pieces) Suitable for Water, Waste, Diesel, Fuel |
This Boat Gas Cap O-Ring is perfect for boat owners who need a reliable replacement for their Perko 540 Series fuel caps. It’s ideal for water, waste, diesel, and fuel tanks, ensuring a tight seal and long-lasting performance. |
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911-245 Fuel Pump Tank Seal, Fuel Tank O-Ring Seal Replacement for Chevrolet Ford GMC Sierra Dodge Ram Chrysler Select Models |
This 911-245 Fuel Pump Tank Seal is perfect for vehicle owners who need a reliable replacement for their Chevrolet, Ford, GMC, Dodge, Ram, Jeep, or Chrysler. It’s easy to install and built to last, keeping your fuel tank safe and leak-free. |
Detailed Reviews
Discover the top 10 Replacement Fuel O-Rings in this expert-curated guide. Each product is handpicked for quality, durability, and value, ensuring a leak-free fuel system for your vehicle or equipment. Whether you need a quick fix or a long-lasting solution, this guide has you covered.
1. NBRINGO 10-Pack Fuels Jug Cap O Rings – Replacement 3043B O-Ring for VP Racing Fuels 3042 Utility Jug Caps – Leak Proof Seal

The NBRINGO 10-Pack Fuels Jug Cap O Rings are designed for VP Racing 3042 gas can caps. They ensure a leak-proof seal for your fuel containers.
These O-rings have precise dimensions (2.7″ ID, 3.14″ OD, 0.22″ thickness). They fit perfectly and work with gasoline, diesel, and more. No leaks, no mess.
Installation is quick and easy. Just replace the old seal and press the new one in. No tools needed, just basic DIY skills.
| Pros | Cons |
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Perfect For:
This product is perfect for anyone who needs a leak-proof seal for their racing fuel containers or utility jugs. It’s ideal for DIY enthusiasts looking for an easy, reliable fix.
Ready to Purchase?
2. Captain O-Ring – Replacement 3043B O-Rings for VP Racing Fuels 3042 Gas Can/Utility Jug Caps (6 Pack)

Stop leaks fast with Captain O-Ring’s 3043B O-Rings. These exact OEM matches fit VP Racing Fuels 3042 gas can caps. Each pack includes six durable seals made from Buna-N rubber.
Works with gasoline, diesel, and more. Proudly assembled in the USA by Captain O-Ring LLC.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for anyone with a VP Racing Fuels 3042 gas can or utility jug that needs a quick fix. If your jug cap is leaking, these replacement o-rings will restore it to working order.
Ready to Purchase?
3. RARAYC 50 PCS FKM Fuel Injector O-Ring Set 7.52mm X 3.53 mm Universal Repair Kit for Various Vehicle Model Blue Compatible with IWP043 IWP063 IWP069 IWP181 0280158233 0280158091

The RARAYC 50 PCS FKM Fuel Injector O-Ring Set is a universal repair kit for various vehicle models. It’s compatible with many fuel injectors, making it a handy tool for auto repairs. The blue O-rings are designed to fit perfectly in your fuel system.
This kit uses FKM material, which lasts long in fuel environments. It has precision-engineered dimensions of 7.52mm x 3.53mm. These tight seals prevent fuel leaks under high pressure.
The 50-piece value pack is great for multiple repairs or sharing in workshops. Replacing worn O-rings is quick and easy, following standard procedures. This kit ensures reliable performance for your vehicle’s fuel system.
| Pros | Cons |
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Perfect For:
This set is perfect for mechanics, DIY car owners, and auto shops that need a simple way to fix fuel injector leaks fast. It’s great for anyone who wants strong, durable, and easy-to-install o-rings.
Ready to Purchase?
4. Fuel Line O-Ring Kit Compatible with 800-013 – Viton FKM Fuel O Rings for 5/16″ & 3/8″ Quick Connect Fittings – 20 Pack Replacement for 217-452, 22514722, 22516256

This Fuel Line O-Ring Kit is a must-have for anyone working on fuel systems. It includes 20 O-rings, with 10 each of 5/16” and 3/8” sizes, perfect for quick connect fittings. These Viton FKM O-rings are built tough to handle gasoline, diesel, and high heat.
Prevents leaks, saves money, easy to use.
Ideal for cars, motorcycles, boats, and lawn equipment, this kit is compatible with 800-013 and replaces common part numbers. A light coat of engine oil during installation ensures a tight seal and long-lasting performance.
| Pros | Cons |
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Perfect For:
This Fuel Line O-Ring Kit is perfect for mechanics, technicians, and DIYers who need a reliable and cost-effective solution for fuel system repairs. It’s ideal for anyone working on cars, motorcycles, boats, or lawn equipment where leak-free sealing is essential.
Ready to Purchase?
5. FEL-PRO ES 72311 Fuel Injector O-Ring Kit

The FEL-PRO ES 72311 Fuel Injector O‑Ring Kit is built for a perfect fit. It meets or exceeds original equipment specs. It gives you quality you can trust.
Each piece is made with an application‑specific design. Every part is checked for fit, form, and function. You get strong, steady performance.
Fel‑Pro engineers every gasket with exact standards. Their process ensures long‑lasting reliability.
| Pros | Cons |
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Perfect For:
The FEL-PRO ES 72311 Fuel Injector O-Ring Kit is perfect for anyone needing a reliable, high-quality fix for their fuel injector. It’s ideal for those who want a perfect fit and trust in their vehicle’s performance.
Ready to Purchase?
6. (8 Pack) Replacement O-Ring Gasket Compatible with Scepter SmartControl Fuel Can Spouts, Fits FR1G101, FR1G201, FSCG501, FSCG502, FR1D501, FSCD501, FSCK501, FR1K501, 00271R, Buna-N Rubber Seal Rings

Keep your fuel cans leak-free with these replacement O-rings. They fit Scepter SmartControl spouts perfectly. Prevent spills and odors with ease.
Made from durable Buna-N rubber, these rings resist gas, oil, and fuels. They’re easy to install with no tools needed.
Fits multiple Scepter models and many 5-gallon fuel cans. Includes 8 rings for routine maintenance. Save time and money with this simple fix.
| Pros | Cons |
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Perfect For:
This 8-pack of O-ring gaskets is perfect for anyone with Scepter SmartControl fuel cans. If you need to replace worn or damaged seals, these Buna-N rubber rings are easy to install and help prevent leaks and odors.
Ready to Purchase?
7. Captain O-Ring – 800-013 Fuel Line Viton/FKM O-Rings – 6 Each, 5/16 In and 3/8 Inch (12 Pack)

Captain O-Ring offers a simple solution for fuel line leaks. Replace old, worn o-rings without changing the entire assembly. This saves time and money.
The 12-pack includes six 5/16” and six 3/8” o-rings. Each size is clearly labeled for easy installation. Made from high-quality Viton/FKM rubber, they last long and perform well.
Proudly assembled in the USA, these o-rings are backed by Captain O-Ring LLC. They ensure reliable performance and durability. A smart choice for fuel line repairs.
| Pros | Cons |
|---|---|
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Perfect For:
Captain O-Ring’s 800-013 Fuel Line O-Rings are perfect for anyone fixing fuel lines. Whether you’re a DIY enthusiast or a professional mechanic, these durable, high-temp o-rings save you time and money by preventing leaks and extending the life of your fuel system.
Ready to Purchase?
8. Fuel Line Quick Disconnect O-Ring Kit Compatible with Harley-Davidson EFI Models 2001+, Fuel Tool Check Valve O-Rings and Male Fuel Line End O-Rings Set, Fits Street Glide Road King Softail Sportster

The Fuel Line Quick Disconnect O-Ring Kit is compatible with 2001+ Harley-Davidson EFI models. It fits Street Glide, Road King, Softail, and Sportster series. This kit helps maintain proper sealing in your fuel system.
It includes 2 sets of replacement O-rings, totaling 6 pieces. 4 O-rings are for the Fuel Tool check valve, and 2 are for the fuel line male connector. Replacing these prevents leaks and saves you from replacing the entire fuel line.
Made from durable FKM rubber, these O-rings resist fuel and heat. They keep your fuel system stable and ensure proper fuel flow. LEKORD’s after-sales team is ready to assist you with any questions.
| Pros | Cons |
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Perfect For:
This Fuel Line Quick Disconnect O-Ring Kit is perfect for Harley-Davidson owners with 2001+ EFI models. It’s ideal for those needing to replace worn O-rings to fix leaks or improve fuel system performance.
Ready to Purchase?
9. Boat Gas Cap 1.75“ o Ring- suitbale for Perko 540 Series Fuel Cap, Replacement for 54000099B Sealing Rubber O-Ring (4 Pieces) Suitable for Water, Waste, Diesel, Fuel

This Boat Gas Cap O-Ring is a perfect fit for Perko 540 Series fuel caps. It’s designed for water, waste, diesel, and fuel tanks.
Inner diameter is 1.75 inches, and thickness is 0.14 inches. It matches model 54000099B exactly. Four O-rings come in one pack, so you have plenty for replacements.
Made of soft rubber, it seals tightly and lasts longer. No frequent replacements needed. Contact us anytime for help with questions or installation tips.
| Pros | Cons |
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Perfect For:
This Boat Gas Cap O-Ring is perfect for boat owners who need a reliable replacement for their Perko 540 Series fuel caps. It’s ideal for water, waste, diesel, and fuel tanks, ensuring a tight seal and long-lasting performance.
Ready to Purchase?
10. 911-245 Fuel Pump Tank Seal, Fuel Tank O-Ring Seal Replacement for Chevrolet Ford GMC Sierra Dodge Ram Chrysler Select Models

The 911-245 Fuel Pump Tank Seal is a direct replacement for many popular vehicles. It fits Chevrolet, Ford, GMC, Dodge, Ram, Jeep, and Chrysler models. This seal is designed to OEM specifications, ensuring a perfect fit.
It prevents fuel leaks, blocks debris, and stops odors. The seal is easy to install and requires no special tools.
Made from high-quality rubber, it’s wear-resistant and heat-resistant. This ensures long-lasting performance in harsh fuel tank conditions.
| Pros | Cons |
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Perfect For:
This 911-245 Fuel Pump Tank Seal is perfect for vehicle owners who need a reliable replacement for their Chevrolet, Ford, GMC, Dodge, Ram, Jeep, or Chrysler. It’s easy to install and built to last, keeping your fuel tank safe and leak-free.
Ready to Purchase?
Buying Guide
Fuel leaks can ruin your day, but the right O-rings save time and money. We’ve tested top replacement fuel O-rings to help you find the best fit. Say goodbye to leaks and hello to smooth performance!
Factors to Consider When Buying Replacement Fuel O-Rings:
- Material: Choose Buna-N, FKM, or Viton for durability and fuel resistance. These materials handle gasoline, diesel, and heat well.
- Size: Check inner diameter (ID), outer diameter (OD), and thickness for a perfect fit. Wrong sizes cause leaks.
- Compatibility: Ensure the O-rings work with your fuel can, injector, or cap. Look for model-specific options.
- Pack Quantity: Buy multi-packs for routine maintenance or workshops. Save money and time with extras on hand.
- Ease of Installation: Pick tool-free options for quick DIY repairs. Simple swaps mean less hassle.
- Leak-Proof Seal: Prioritize O-rings with tight seals to prevent spills and odors. Quality seals keep fuel systems stable.
- Heat and Fuel Resistance: Opt for O-rings that withstand high heat and harsh fuels. This ensures long-lasting performance.