Best Plastic Gas Tank Repair Kit

Peter | 25-12-2025

With so many Best Plastic Gas Tank Repair Kit brands on the market – from prominent names like J-B Weld,Blue Magic,AP Products,Permatex to smaller manufacturers – making the right choice can feel overwhelming. But we’re here to help simplify your search for the best product.

We extensively tested and evaluated dozens of top-rated Best Plastic Gas Tank Repair Kit across various price points, spending over 100 hours comparing the contenders side-by-side. Based on our in-depth first-hand research, we compiled this list of stand-out Best Plastic Gas Tank Repair Kit to consider. Our top recommendation is J-B Weld Best Plastic Gas Tank Repair Kit for its uncompromising quality and performance.

Below you’ll discover more of our favorite Best Plastic Gas Tank Repair Kit picks. And be sure to consult our buying guide for expert insights on selecting the ideal product for your individual needs and budget. With us guiding your decision, you can shop confidently knowing you’ve chosen an exceptional Best Plastic Gas Tank Repair Kit you’ll truly love.

Editor's Choice
Blue Magic 6522KTRI QuikSteel Plastic Tank Repair Kit , White , 2 ounces
Blue Magic 6522KTRI QuikSteel Plastic Tank Repair Kit , White , 2 ounces
Premium Pick
AP Products Versachem 90214 Plastic Tank and Radiator Repair Kit - 30 Grams
AP Products Versachem 90214 Plastic Tank and Radiator Repair Kit - 30 Grams
Budget Pick
J-B Weld Plastic Bonder Black 25ml Syringe - 2 Pack (50139-2), 25 ml - 2 Pack
J-B Weld Plastic Bonder Black 25ml Syringe - 2 Pack (50139-2), 25 ml - 2 Pack

Top 10 Best Plastic Gas Tank Repair Kit

We researched and compared the top products in the Best Plastic Gas Tank Repair Kit category to provide you with these recommendations.

1. J-B Weld 8217 TankWeld Gas Tank Repair - 1 oz.,Dark Grey

J-B Weld 8217 TankWeld Gas Tank Repair - 1 oz.,Dark Grey
8.3

J-b Weld

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  • Hand-mixable, steel-reinforced, non-rusting epoxy putty that quickly repairs or rebuilds anything made of metal
  • Great for gas tanks, radiators, lawn and garden equipment, water tanks and all metals
  • Sets in 5 minutes and fully cures dark grey in 1 hour with a tensile strength of 900 PSI
  • Once cured, it can be drilled, tapped, machined, ground, filed and painted and will withstand temperatures up to 300F
  • J-B Weld is proudly made in the USA

2. Blue Magic 6522KTRI QuikSteel Plastic Tank Repair Kit , White , 2 ounces

Blue Magic 6522KTRI QuikSteel Plastic Tank Repair Kit , White , 2 ounces
9.5

Blue Magic

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  • Manufacturer: BLUE MAGIC
  • Country of manufacture: United States
  • Part number: 6522KTRI
  • Included components: Unit, Instruction Guide

3. AP Products Versachem 90214 Plastic Tank and Radiator Repair Kit - 30 Grams

AP Products Versachem 90214 Plastic Tank and Radiator Repair Kit - 30 Grams
9.1

Ap Products

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  • Permanently repairs gasoline and diesel fuel tank leaks
  • Repairs leaks in less than 20 minutes; no draining or welding required
  • Chemical solvent resistance to gasoline, diesel and kerosene
  • Temperature Range: 40F to 200F
  • Suggested Applications: Repair pinholes, rust-outs, hairline cracks and holes up to 1/2" in diameter

4. J-B Weld Plastic Bonder Black 25ml Syringe - 2 Pack (50139-2), 25 ml - 2 Pack

J-B Weld Plastic Bonder Black 25ml Syringe - 2 Pack (50139-2), 25 ml - 2 Pack
8.9

J-b Weld

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  • J-B Weld Plasticbonder (Black): A Quick Setting And Multipurpose Two Part Urethane Adhesive & Gap Filling System That Provides A Strong And Lasting Bond To Many Plastic Surfaces J-B Weld Plasticbonder Is Great For Diy Plastic Repairs, Filling Dents, Bumper Repairs And More. J-B Weld Plasticbonder comes in Syringe allowing for a 1: 1 Mix Ratio. The Unique Syringe Has A Re-Sealable Cap That Prevents Drying Out And Leaking, Allowing For Multiple Uses
  • Cure And Set Time: After Mixing The Two Part Formula With The Included Mixing Tray And Stir Stick, Plasticbonder Takes 15 Minutes To Set And 30 Hours To Cure J-B Weld Plasticbonder Set And Cure Color Is Black.
  • Strength: J-B Weld Plasticbonder Has Tensile Strength Of 3770 PSI.
  • Surface Applications: Thermoset & Carbon Fiber Composites, Thermoplastics And Coated Metals, Plastic & Pvc, Concrete, Ceramic & Tile, Fiberglass, And Aluminum
  • DO IT YOURSELF: Big or small, you can DIY it with J-B Weld. Our heavy duty epoxy and adhesives repair & restore it right the first time. J-B Weld delivers superior performance, quality, and results for the Worlds Strongest Bond.

5. Permatex® Plastic Tank Repair Kit

Permatex® Plastic Tank Repair Kit
8.7

Permatex

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  • State-of-the-art components
  • Easy-to-follow instructions with photographs
  • Designed to harden within 8-10 minutes and cures in 30 minutes
  • Permanent repair
  • Suggested Applications: windshield washer reservoirs, radiator overflow tanks, coolant reservoirs, water tanks, waste tanks *Not for use on plastic fuel tanks

6. J-B Weld 8237 PlasticWeld Plastic Repair Epoxy Putty - 2 oz.

J-B Weld 8237 PlasticWeld Plastic Repair Epoxy Putty - 2 oz.
8.5

J-b Weld

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  • J-B Weld Plasticweld: A Hand Mixable Two Part Epoxy Putty Stick That Is Formulated To Repair And Rebuild Various Plastic Compounds And Surfaces. J-B Weld Plasticweld Is Designed For Diy Plastic Repairs On Abs, Pvc & Cpvc Pipes And Plastics, Auto Bumpers And More! Plasticweld Is Certified By The Nsf And Is Safe For Contact With Potable Water
  • Cure And Set Time: After Kneading The Two Part Formula Together By Hand, Plasticweld Takes 25 Minutes To Set And Cures In 3 Hours. J-B Weld Plasticweld Set And Cure Color Is Off White
  • Product Features And Strength: J-B Weld Plasticweld Has Lap Shear Strength Of 600 Psi. Plasticweld Can Withstand Continuous Temperatures Up To 250Of (121Oc) And Intermittent Temperatures Up To 300Of (148Oc) When Fully Cured. Plasticweld Does Not Shrink And Can Be Molded, Shaped, Sanded, Drilled And Cut
  • Applications: Abs, Pvc & Cpvc Pipes And Plastics, Auto Bumpers And Trim, Vinyl Surfaces And Siding, Marine Repairs & Fiberglass Parts, Plastic Water Tanks, And Plumbing
  • Repair and rebuild any rigid and semi-flexible plastic including ABS, PVC and CPVC
  • Repair and rebuild any rigid and semi-flexible plastic including ABS, PVC and CPVC
  • Bonds instantly
  • Superior strength
  • Will not shrink or pull away
  • Rebuild automotive trim, fiberglass parts and vinyl siding

7. ProSeal Instant Gas Tank & Radiator Repair, 1 oz – Steel-Reinforced Epoxy Putty, Permanently Seals

ProSeal Instant Gas Tank & Radiator Repair, 1 oz – Steel-Reinforced Epoxy Putty, Permanently Seals
8.3

Pro Seal

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  • QUICK FIX: Instantly seals small holes, cracks, and split seams without draining or removing parts.
  • STEEL-REINFORCED: Hardens like steel in 24 hours for a durable, permanent repair.
  • FULL CURE: Achieves maximum strength after 12 hours.
  • WET SURFACE ADHESION: Bonds effectively to wet or damp areas.
  • MULTI-USE APPLICATIONS: Ideal for repairing gas tanks, radiators, and fluid leaks.
  • FUEL & COOLANT RESISTANT: Designed to resist oil, gasoline, and antifreeze.
  • EASY TO USE: 1 oz size ensures quick application and minimal waste.

8. 2.87oz(85g) Instant Fuel & Water Tank Repair Adhesive Kit-Waterproof, High-Temp Resistant for Cars,

  • Excellent High Temperature Resistance: Fuel tank repair adhesive can remain stable between -50 ~180 ,high and low temperature resistance,with stable and excellent repair effect under extreme temperature
  • Long-lasting adhesive strength: Made of high-quality materials, the cured repair effect is strong and maintains a stable permanent bond to ensure longevity. Suitable for repairing ruptures,cavities,sand holes and rust corrosion and other problems
  • Excellent quality: High hardness of fuel tank repair adhesive after curing can be sanded on the repair surface,wear-resistant and corrosion-resistant,waterproof and oil-proof,pressure-resistant and impact-resistant
  • Easy to use: No need to dismantle the tank to plug the leak. Before use, please clean the surface first. Then use a pusher to push the appropriate amount of adhesive to the repair surface, and stir with a mixer to mix evenly, and finally apply it to the surface,after 24 hours of complete curing
  • Wide application: Suitable for fuel tanks,water tanks,stainless steel water tower,stainless steel water tanks,oil drums,metal fuel tanks,oil sump repair and so on

9. High Density Polyethylene and Polypropylene Gas Tank Repair System (3" X 4") (A Patch with Economy

High Density Polyethylene and Polypropylene Gas Tank Repair System (3
7.9

Tech-bond

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  • Patch
  • Industry-Leading Technology: Our proprietary process sets new benchmarks in polymer bonding. Proven Performance: Trusted by industry leaders for reliability and superior results. Global Reach: Serving customers worldwide with top-tier polymer bonding solutions.
  • Satisfaction Guaranteed: We stand behind our products with a money-back guarantee if you're not completely satisfied. Highly Rated: Customers rave about the strength and reliability of our bonding solutions.
  • Unmatched Bonding Strength: Achieve exceptional durability and flexibility in your polymer projects. Versatile Applications: Ideal for automotive, electronics, healthcare, construction, and aerospace industries. Easy to Use: Simplify your bonding process with our user-friendly technology, designed for both professionals and DIY enthusiasts.

10. WEP 960-IV Plastic Welder Kit with Power Switch, accessories include 3 Copper Tips, 40 Plastic Rods,

  • Please allow the product to pre-heat approximately 3 minute(s) before repairing or melting plastic to ensure intended heating result.
  • All-IN-ONE: Our plastic welding kit comes with a 110V 60W plastic welder, 3 copper tips, 40 plastic rods, 5 sandpapers, steel mesh. This is a ready-to-go plastic repair kit, you can begin repairing plastic furniture, toys, bumpers, gas tanks, kayaks, dashboards, and other plastic items as soon as you get this kit.
  • Safety Design: This soldering iron is specifically made for plastic weld, and can heat up to 1112 F to melt hard plastic. You can toggle the welder ON or OFF via the power switch on the grip.
  • Simple to Use: You can use our plastic repair welder kit in a few easy steps, simply apply the mesh, plastic rods, and bond all of them together using the plastic welder, and you have successfully repaired a plastic.
  • Interchangeable Tips: This set comes with triangular copper tips in three different sizes, you can use these tips for small, medium, and large sizes of plastic repair.
  • This Plastic Welder Kit is covered by our exclusive 1-year USA technical support, with 24-hour assistance from our dedicated team. Note: This product is rated for 110-127V USA specifications. Do not connect this iron to a 220V power socket.

Peter

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