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Updated: 06 Apr 2026

10 Best O Rings

#1 Best Pick
DIANN 270pcs O Ring Kit Rubber 18 Sizes O-Ring Car Auto Vehicle Repair Air Conditioning Compressor Seals Assortment Kit

DIANN 270pcs O Ring Kit Rubber 18 Sizes O-Ring Car Auto Vehicle Repair Air Conditioning Compressor Seals Assortment Kit

Brand: DIANN
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  • 270Pcs Rubber O-Ring Car Auto Vehicle Repair Air Conditioning Compressor Seals Assortment Kit
  • Multiple Sizes: O Ring Assortment Kit Contains 18 Popular Sizes: 5.29x1.78mm/ 6.07x1.78mm/ 6.8x1.9mm/ 7.68x1.78mm/ 7.8x1.9mm/ 8x2mm/ 8.8x1.9mm/ 10.82x1.78mm/ 10.77x2.62mm/ 11x2.0mm/ 12x2.0mm/ 13.9x1.8mm/ 13.95x2.62mm/ 14x2.0mm/15x2.0mm/ 17x2.0mm/ 17.17x1.78mm/ 17.04x3.53mm
  • High Quality: Rubber O Rings Made of High-Quality Nitrile Rubber Material,It Has Excellent High Temperature and Low Temperature Resistance,the Working Temperature Range is from -40℉ (-40℃) to +248℉ (+120℃).Good Sealing,Corrosion Resistant and Weather Resistance
  • Easy TO Use and Install: 270pcs 18-Sizes Seal Gasket Washer Rubber O-Ring is Packed in Transparent Plastic Storage Box with Snap Cover, Which is Easy to Carry and Store. Provide Convenience for Vehicle Maintenance. Automotive Air Conditioning Compressor O-ring SealsCan Replace Failed Seals Directly
  • Wide Application: Rubber O Ring Assortment Kit are Suitable for Faucets,Sinks,Filters,Sensors,Pumps,Electronic Equipment,Gauges,Fuel Engines of Cars,Trucks,Motorcycles Boats, and Other Automotive Air Conditioning Compressor Ports, Water Tank Ports, Household Faucets, Office Hoses, etc.
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#2 Best Value
595 Pcs Rubber O Rings Kit 36 Sizes Rubber AC O Ring Kit Heat and Oil Resistant O Ring Assortment Kit for Plumbing Faucet Auto Repair Gas Connection (595Pcs, Green)

595 Pcs Rubber O Rings Kit 36 Sizes Rubber AC O Ring Kit Heat and Oil Resistant O Ring Assortment Kit for Plumbing Faucet Auto Repair Gas Connection (595Pcs, Green)

Brand: CMHFKKG
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  • 36 Sizes : This AC O ring kit contains multiple sizes of O rings to meet your different repair needs, each o rings were s stored in a grid
  • Sturdy and Enduring : This AC seal kit is constructed of quality rubber , which is wear resistant , sturdy and enduring , with a long service life
  • Water Resistant : This O ring assortment kit is water resistant, deformation resistant, heat resistant, abrasion resistant, especially resistant to petrol and oil
  • Excellent Sealing : This air conditioner O ring kit has excellent sealing , avoiding air, oil and water leakage
  • Wide Applications : This O ring kit can be widely used in automotive, machinery, electronics, hot water and other industries, it is a nice choice for repair and maintenance
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#3 Budget Pick
HORUSDY 420-Piece NBR O-Ring Assortment Kit, 32 Metric Sizes Rubber O Rings Set, 70A Hardness, High Temperature Sealing Rings with Storage Case for Plumbing, Automotive & Home DIY

HORUSDY 420-Piece NBR O-Ring Assortment Kit, 32 Metric Sizes Rubber O Rings Set, 70A Hardness, High Temperature Sealing Rings with Storage Case for Plumbing, Automotive & Home DIY

Brand: HORUSDY
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  • 420-Piece Complete Assortment Includes 420 O-rings in 32 commonly used metric sizes, covering a wide range of inner diameters and thicknesses for plumbing repairs, automotive maintenance and general home DIY projects.
  • Commercial-Grade NBR Rubber Made from high-quality Nitrile Butadiene Rubber (NBR) with 70±5A hardness, offering excellent resistance to oil, fuel, water and wear for long-lasting sealing performance.
  • Wide Temperature Resistance Designed to perform reliably from -40°C to 120°C, maintaining elasticity in cold conditions and stability in high-temperature environments such as engines and water systems.
  • Smooth Finish & Reliable Seal Precision-moulded O-rings with smooth surfaces and no burrs, ensuring a tight, leak-free seal and easy installation without damaging fittings.
  • Organised Storage Case Supplied in a durable double-layer plastic organiser, clearly separated by size on both sides for quick identification, neat storage and easy transport.
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#4 Top Choice
ZDBB 595 Pcs Automotive AC O Rings Kit, SAE and Metric Air Conditioning Orings Assortment Set for Car A/C Compressor and Professional Plumbing Faucet Seal Repair with 4 Pick & Hook (Green)

ZDBB 595 Pcs Automotive AC O Rings Kit, SAE and Metric Air Conditioning Orings Assortment Set for Car A/C Compressor and Professional Plumbing Faucet Seal Repair with 4 Pick & Hook (Green)

Brand: ZDBB
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  • High-quality materials: air conditioning o-rings are made of high-quality commercial-grade nitrile rubber (nbr) 70, wear-resistant, automotive air conditioning o-rings are widely used in automotive, machinery, electronics, hot water and other industries
  • Multiple sizes: zdbb automotive air conditioning o-ring kits contain a wide range of sizes of metric and inch o-rings, which can meet almost all your different repair needs
  • Wide applications: ac o ring kits are suitable for sealing leaks in automotive air conditioning (air conditioning systems), compressors and specialty faucets, all types of water pumps, high pressure washers, filters, electrical and electronic equipment, shop solenoids, mechanical bearings, and kitchen and bathroom water fittings
  • Various advantages: good corrosion resistance, sealing, water resistance, deformation resistance, heat resistance, abrasion resistance, especially gasoline and oil resistance, preventing air, oil, gas and water leakage, good choice for repair and maintenance of air conditioner o-ring seals
  • ZDBB air conditioning o-ring: 36 sizes green o-ring automotive air conditioning compressor seals combo kit, great for automotive, faucet, pressure washer, duct seal repair!
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#5 Popular Choice
1020 Pcs O Ring Kit 20 Size Nitrile Rubber O Ring Assortment Set for Car Auto Vehicle Repair Faucet Plumbing Air or Gas Sealing Connections Resist Oil and Heat

1020 Pcs O Ring Kit 20 Size Nitrile Rubber O Ring Assortment Set for Car Auto Vehicle Repair Faucet Plumbing Air or Gas Sealing Connections Resist Oil and Heat

Brand: Naciffo
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  • 【Multiple Sizes】 O-ring assortment kit contains standard 20 metric rubber o-rings, o-rings with inner diameters from 1 to 25mm and thicknesses of 1mm, 2mm, 2.4mm, 2.5mm, 3mm, which can meet almost all of your needs
  • 【High quality material】 O-ring bushings are made of commercial grade NBR material with a working temperature range of -40℉/-40℃ to 248℉/120℃. With excellent resistance to high and low temperatures, it is very suitable for thermal machinery, automotive, and faucet pipe sealing repair
  • 【Wide applications】 O-ring classification is very suitable for faucets, high-pressure washers, motorcycles, boats, car engines, pumps, solenoid valves, meters, sensors, mechanical bearings, pressure pipes and other accessories for sealing DIY repairs
  • 【Easy to use】 Various o-ring kits, 20 sizes of o-rings are placed in order in a sturdy plastic storage box, each size comes with a detailed label paper, very easy to use
  • 【Easy to store】 20 sizes of o-rings are placed in order in a sturdy plastic storage box, o-rings are stored in order of size, easy to retrieve and store
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#6 Top Pick
60pcs Flat Key Rings,Party BESTBUY Keys Ring,Metal Keychain Rings,Split Keyrings Flat Circle Ring for Car Office Home Dog Tag Household O Round Keyring Attachment (Silver 25mm/1 Inch)

60pcs Flat Key Rings,Party BESTBUY Keys Ring,Metal Keychain Rings,Split Keyrings Flat Circle Ring for Car Office Home Dog Tag Household O Round Keyring Attachment (Silver 25mm/1 Inch)

Brand: Generic
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  • Flat key rings size: Inner diameter: 25mm/1-inch outer diameter: 1 inch/25mm, flat split style design.Made of ultra strong with silver-toned nickel metal, durable and firm.Color:silver. Type Design: Flat ring. Great workmanship with the ring, smooth surface and edge, will not scratch your hands and stuffs.
  • Stainless Steel Key Rings:split rings come with totally 60 pieces metal key rings that will meet your needs for daily use or craft projects, Take care of convenient key storage with ergonomic key rings.our stianless steel key rings(flat round) has better spring rentention. It is flexible to open, and spring back to stay closed tightly. Now, you do not need to worry about your keys falling apart.
  • Super high elasticity All Around Key Organization: The key ring is made of high-quality Metal, which has excellent durability. The keychain ring does not deform for a long time and maintains its original appearance. And it can be applied to many different items.
  • Waterproof. Rust & Corrosion Resistant: Made of premium stainless steel material, these heavty duty key rings(flat round) are waterproof, rust & corrosion resistant. You can use these stainless steel key rings in pool, seaside, bathroom, or rainy days. No worry about rust.
  • Wide Usage: These split key rings are easy to organize different keys, hang cards and trinkets, make crafts and arts projects, etc. The split rings are perfect for home, car, office keys organization, DIY accessories, keychains connector to connect USB, hang cards, other ornaments, and arts&crafts making. Also fit for connecting clasps, charms, links, and other accessories.
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#7 Top Pick
225Pcs Rubber O Rings Set,18 Sizes EFGTEK Nitrile Rubber O Rings Assortment Kit with Storage Box for Plumbing,Faucet Tap,Auto Repair,Gas Connection

225Pcs Rubber O Rings Set,18 Sizes EFGTEK Nitrile Rubber O Rings Assortment Kit with Storage Box for Plumbing,Faucet Tap,Auto Repair,Gas Connection

Brand: EFGTEK
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#8 Top Pick
ZDBB 1280 Pcs 24 Size Rubber O-Ring Assortment Kit with Pick and Hook Set for Pressure Washer Faucet Plumbing OD 6mm-28mm

ZDBB 1280 Pcs 24 Size Rubber O-Ring Assortment Kit with Pick and Hook Set for Pressure Washer Faucet Plumbing OD 6mm-28mm

Brand: ZDBB
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  • {WIDE APPLICATION: O rings kit for faucets plumbing,pressure washer hose hydraulics fluid,Automobiles,machinery bearings, pumps,boats,oils,gas control valve,air,water fitting seal leakages repairA
  • {MULTIPLE SIZE}: Oring assortment kit contains the most commonly used 24 size: OD x THK/ 6x1.5mm/ 6.5x1.5mm/ 7x1.5mm/ 8x1.5mm/ 9x1.5mm/ 10x1.5mm/ 11x1.5mm/ 12x1.5mm/ 13x1.5mm/ 14x1.5mm/ 15x1.5mm/ 16x1.5mm/ 17x2.4mm/ 18x2.4mm/19x2.4mm/ 20x2.4mm/ 21x2.4mm/ 22x2.4mm/ 23x2.4mm/ 24x2.4mm/ 25x3.1mm/ 26x3.1mm/ 27x3.1mm/ 28x3.1mm
  • {INCLUDED TOOLS}: O'rings assortment set comes with 4-Piece detachable precision pick and hook set, includes 1-pc. full hook; 1-pc. 45-degree pick; 1-pc. 90-degree pick; 1-pc. straight pick,share one handle for easy replacement and installation
  • {MATERIAL}: Black o rings made of high-quality commercial grade nitrile rubber (NBR) material,it has excellent high temperature and low temperature resistance, the working temperature range is from -40℉ (-40℃) to +248℉ (+120℃),maintains good stretchability elasticity,has It has the advantages of ozone resistance and weather resistance
  • {CONVENIENT STORAGE}: Assorted oring kit are placed in a sturdy plastic storage box,each size with detailed label paper,are stored in order of small to large for easy retrieval.It can be used for months or even years rather than buying them at a hardware store
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#9 Top Pick
225PCS Rubber O Ring Set; 18 Sizes Organized in Storage Box, Rubber O Rings Rubber O Ring Set for Auto Repair, Plumbing, Faucet, etc

225PCS Rubber O Ring Set; 18 Sizes Organized in Storage Box, Rubber O Rings Rubber O Ring Set for Auto Repair, Plumbing, Faucet, etc

Brand: Langtaojin
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  • 225PCS with 18 Sizes in One Go:Covers various common sizes, a single rubber O ring set handles all your equipment sealing needs
  • Rubber Material:Made of durable rubber, this practical O rings rubber set fits various general scenarios.
  • Categorized Storage Box:Transparent box with classified storage, sizes are easy to find and access, making rubber O ring organization no longer messy.
  • Multi-Scenario Application:Auto repair, home equipment maintenance, small industrial parts sealing, etc.—this O rings rubber set works in all these scenarios.
  • Cost-Effective Set:225PCS rubber O rings meet multiple repair and replacement needs, making it a cost-effective O ring set.
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#10 Top Pick
ZDBB 1010 Pcs Rubber O Rings Kit 22 Size Universal O-Ring Assortment Set for Automotive Faucet Pressure Washers Plumbing Sealing Repair,Air or Gas Connections,Resist Oil and Heat

ZDBB 1010 Pcs Rubber O Rings Kit 22 Size Universal O-Ring Assortment Set for Automotive Faucet Pressure Washers Plumbing Sealing Repair,Air or Gas Connections,Resist Oil and Heat

Brand: ZDBB
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  • {WIDE APPLICATION} O-ring kit for faucets,plumbing,pressure washer,hose nozzles,sinks,filters,hydraulics fluid,auto engines, machinery bearings,pumps,boats,oils,gas control valve, spray, air,kitchen bathroom water fitting seal leak repair
  • {MULTIPLE SIZE} Metric oring assortment kits contains the most commonly used 22 size ID:(3mm, 4mm, 4.5mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 13mm, 14mm, 17mm, 18mm, 20mm, 22mm, 25mm, 27mm) x Thk:(1mm, 2mm, 2.4mm, 2.5mm, 3mm, 4mm),can meet almost all your needs
  • {MATERIAL} Rubber o rings set made of high-quality commercial grade black nitrile(NBR,Buna-N),it has excellent high temperature and low temperature resistance,the working temperature range is from -40℃/-40℉ to 120℃/248℉,maintains good elasticity,has It has the advantages of ozone resistance and weather resistance
  • {CONVENIENT STORAGE} Assorted o rings rubber are placed in a sturdy plastic storage box, each size with detailed label paper,are stored in order of small to large for easy retrieval.It can be used for months or even years rather than buying them at a hardware store
  • {Customer Service} ZDBB brand always guarantees high quality products and good after-sales service. If you have any dissatisfaction, please contact us
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