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Item #:
21841425
Othmro 10pcs Nitrile Rubber O-Rings, 3mm Wire Dia 37mm OD Metric Sealing Nitrile NBR Rubber Washers for Oil or Air Sealing, Professional Plumbing,
87% of respondents would recommend this to a friend
Item #:
21841425
LKR 5672
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Monday, October 26
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Nitrile rubber O-rings can meet most pipeline, automotive and general maintenance needs.
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What Stands Out
Flexible Material
Crafted from nitrile rubber for exceptional flexibility, these O-rings ensure a reliable seal for various applications, effectively preventing leaks in oil, air, and gas connections.
Versatile Use
Ideal for professional plumbing and automotive repair, these O-rings excel in diverse environments, making them a great choice for anyone needing durable sealing solutions across various projects.
Precision Fit
With a 3mm wire diameter and 44mm outer diameter, these O-rings are designed for a perfect fit, enhancing reliability and efficiency in sealing applications compared to generic alternatives.
Product Details
| Brand Name | Othmro |
| Manufacturer | Othmro |
| Unit Count | 10 Count |
| Part Number | OTH190828Y-0119 |
| Material Type | Nitrile Rubber |
| Material | Nitrile Rubber |
| Brand | Othmro |
| Item Weight | 0.2 lbs (90 grams) |
Who Should Buy?
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Professional Plumbers
Ideal for plumbers requiring reliable sealing components for pipes and fittings in various installations and repairs.
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Car Mechanics
Useful for automotive repairs that require effective sealing for oil and gas connections in vehicles.
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DIY Enthusiasts
Perfect for hobbyists or DIY projects needing durable seals for air or gas connections at affordable prices.
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High-Pressure Applications
Not suitable for situations involving extremely high pressure where specialized seals are required for safety.
Product Description
Othmro 10pcs Nitrile Rubber O-Rings, 3mm Wire Dia 37mm OD Metric Sealing Nitrile NBR Rubber Washers for Oil or Air Sealing, Professional Plumbing, Car Repair, Air or Gas Connections Black
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Customer Questions & Answers
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Question:
What materials are the Othmro O-Rings made from?
Answer: The Othmro O-Rings are made from high-quality nitrile rubber (NBR), known for its exceptional oil and fuel resistance. Nitrile rubber is widely used in automotive and industrial applications due to its durability and ability to withstand varying temperatures. These O-Rings are particularly effective in sealing applications for both oil and air, making them an excellent choice for professional plumbing and automotive needs. -
Question:
What are the dimensions of the Othmro O-Rings?
Answer: The Othmro O-Rings have a wire diameter of 3mm and an outer diameter (OD) of 44mm. These precise dimensions ensure that they fit securely in their designated applications, providing effective sealing. Proper sizing is crucial for achieving optimum performance, whether in plumbing tasks or automotive repairs, to prevent leaks and ensure system integrity. -
Question:
Are these O-Rings suitable for all types of liquids?
Answer: While the Othmro O-Rings are highly versatile, they are specifically designed for use with oil and air sealing applications. Nitrile rubber is resistant to many petroleum-based fluids, making them suitable for automotive oil and industrial lubrication tasks. However, for aggressive chemicals or certain solvents, it’s advisable to consult compatibility charts or guidelines to ensure effectiveness and safety in your specific use case. -
Question:
Can I use these O-Rings in high-temperature environments?
Answer: Nitrile rubber O-Rings can typically withstand temperatures ranging from -40°C to approximately 100°C (-40°F to 212°F). This temperature resistance makes the Othmro O-Rings suitable for many automotive and plumbing applications, where moderate heat exposure occurs. However, for extremely high-temperature scenarios, alternative materials like silicone or fluorocarbon may be needed for better performance. -
Question:
How many O-Rings are included in a package?
Answer: Each package of Othmro O-Rings contains four pieces, providing enough quantity for various applications such as plumbing repairs or automotive setups. This multi-pack option is ideal for professionals or DIY enthusiasts who need several O-Rings for different sealing needs, allowing for convenience and cost-effectiveness when tackling multiple projects. -
Question:
What applications are these O-Rings best suited for?
Answer: The Othmro O-Rings are ideal for a wide range of applications, including automotive oil seals, plumbing fixtures, and air compressor systems. Their reliable sealing properties prevent leaks and ensure optimal performance in both DIY projects and professional setups. Whether you're fixing a leaky faucet or working on your car’s engine, these O-Rings are designed to meet demanding sealing requirements. -
Question:
How to install the Othmro O-Rings correctly?
Answer: To install Othmro O-Rings, first ensure the sealing surfaces are clean and free from debris. Gently stretch the O-Ring over the groove they are to fit into, taking care not to twist or pinch it. Proper installation allows for a secure seal, reducing the risk of leaks. Using a lubricant compatible with rubber can simplify assembly in tight spaces and ensure a longer lifespan. -
Question:
Are these O-Rings reusable?
Answer: The Othmro O-Rings are generally not designed for reuse after being installed in sealing applications. Once compressed, the material may lose its shape or sealing ability. It's recommended to replace them for reliable performance in new installations. Always keep a few extras on hand for quick replacements in plumbing or automotive repairs to maintain efficiency. -
Question:
Where can I buy Othmro 4pcs Nitrile Rubber O-Rings in Sri Lanka?
Answer: You can buy Othmro 4pcs Nitrile Rubber O-Rings from Ubuy, which offers a wide selection of quality products. Ubuy provides a convenient shopping experience and ensures that you can find the exact specifications you need for your projects. Browse their site to find these O-Rings and enjoy streamlined purchasing options tailored to your needs.
Othmro O-Rings Editorial Review
The Othmro 20pcs Nitrile Rubber O-Rings have received mixed reviews from customers. The majority found the product to be effective for various uses, such as keeping jewelry on hooks during transportation and replacing o-rings on car parts. Users appreciated the quality and value of the product. However, some customers expressed dissatisfaction with the shipping duration, as it took 21 days for the product to arrive from China. Overall, the Othmro 20pcs Nitrile Rubber O-Rings seem to be a reliable and versatile option for sealing and plumbing needs, offering good value for money. However, potential buyers should be aware of the longer shipping times from China. **
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Pros
- Effective for various uses, such as jewelry display and car pump repairs
- Good quality and value for the price
- Reliable for sealing and plumbing needs
Cons
- Long shipping duration for orders coming from China
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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LKR 5672
Order now and get it around Monday, October 26
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- NBR O-ring has good mechanical properties and high wear resistance
- Designed for various sealing applications
- Soft and elastic O-ring, simple buckle, easy to install
- Nitrile rubber (NBR) sealing ring has abrasion resistance, pressure resistance, high temperature resistance, oil resistance and waterproof ring seal
- Rubber O-rings are mainly used for power supplies, control boxes, universal power cord socket protection, electrical appliances, motors, tools, cars, trucks, trailers, electronic equipment, toys, bicycles, RVs, boats, pumps, furniture, etc.
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