--- product_id: 534116840 title: "Othmro 10Pcs Nitrile Rubber O-Rings 45mm OD 37mm ID 4mm Width, Metric Buna-N Sealing Gasket" brand: "othmro" price: "S$18" currency: SGD in_stock: true url: https://www.desertcart.sg/products/534116840-othmro-10pcs-nitrile-rubber-o-rings-45mm-od-37mm-id store_origin: SG region: Singapore --- # Temperature range -20°C to 100°C 4mm Width for durable sealing 45mm Outer Diameter Othmro 10Pcs Nitrile Rubber O-Rings 45mm OD 37mm ID 4mm Width, Metric Buna-N Sealing Gasket **Brand:** othmro **Price:** S$18 **Availability:** ✅ In Stock ## Summary > 🔧 Seal the deal with Othmro – where precision meets performance! ## Quick Answers - **What is this?** Othmro 10Pcs Nitrile Rubber O-Rings 45mm OD 37mm ID 4mm Width, Metric Buna-N Sealing Gasket by othmro - **How much does it cost?** S$18 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/534116840-othmro-10pcs-nitrile-rubber-o-rings-45mm-od-37mm-id) ## Best For - othmro enthusiasts ## Why This Product - Trusted othmro brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Withstand:** Operates reliably from -20°C to 100°C, handling pressure and temperature fluctuations like a pro. - • **Versatile Powerhouse:** Ideal for plumbing, automotive, electrical, and industrial applications—your all-in-one sealing solution. - • **Effortless Installation:** Soft, elastic design snaps on easily—no fuss, no downtime. - • **Engineered for Endurance:** Nitrile Rubber (NBR) offers superior oil, grease, and wear resistance to keep your machinery running smooth. - • **Precision Fit, Zero Leak:** Perfect 45x37x4mm sizing ensures airtight, watertight seals for your critical systems. ## Overview Othmro’s 10-piece set of 45mm OD, 37mm ID, 4mm width Nitrile Rubber O-rings delivers high-performance sealing with excellent resistance to oils, greases, and wear. Designed for easy installation and reliable use across plumbing, automotive, and industrial applications, these Buna-N gaskets maintain integrity in temperatures from -20°C to 100°C, ensuring leak-proof operation in demanding environments. ## Description Features:1. These tap washers for mixer taps are made from high quality materials and are safe, strong, durable and hard wearing.2. Soft and flexible O-rings that simply snap on and are easy to install. Stable performance, not easy to swell.3. These NBR O-ring washers have very good oil resistance and are very wear resistant and air tight and are often used as seals in hydraulic and pneumatic systems.4. Rubber O-rings are mainly used to prevent mechanical parts from leaking liquid and gaseous media under static conditions.5. Ideal for plumbing, engines, taps, car maintenance, doors and windows, electrical appliances, bearings, pumps, pulleys, valves and various cylinders.Product information：Product name: Rubber O-ring gasketMaterial. Nitrile Rubber (NBR)Temperature: -4℉ (-20℃) to 212℉ (100℃)Hardness: 70AQuantity: 10 pcsPackage includes：10 pieces 45*37*4mmDirections for use：1. Close the valve on the water supply pipe leading to the tap.2. Use a screwdriver to remove the screw holding the tap handle in place.3. Remove the old O-ring from the stem. Place the new O-ring on the stem of the faucet.Tip：If you have any problems with our rubber washers, please do not hesitate to contact us and we will provide you with a satisfactory solution. Thank you for choosing us - Othmro. ## Features - [NBR O-ring]-NBR with good mechanical properties and high wear resistance. It has good resistance to many petroleum, grease, hydraulic oil, alcohol, mineral oil and grease. Nitrile rubber is susceptible to acetone, ether, ester, ozone, sunlight and weathering, so it should not be used in ozone-producing motors, welding equipment, or applications exposed to ultraviolet light. - [Circular Cross Section]-The nitrile rubber O-ring is round, and the cross section is round. Designed for various sealing applications. Pressure and fluid seals are usually provided between cylindrical overlapping mating surfaces, commonly found in engines, faucets, flanges, valves, and various cylinders. - [Features]-Soft and elastic O-ring, simple buckle, easy to install. Nitrile rubber O-rings can meet most pipeline, automotive and general maintenance needs. - [Easy to Use]-This nitrile rubber (NBR) sealing ring has abrasion resistance, pressure resistance, high temperature resistance, oil resistance and waterproof ring seal. You can use it in many places in your daily life and work. We have various thicknesses and sizes for you to choose from. - [Application]-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. ## Product Details - **Material:** Nitrile Rubber - **Nominal Inside Diameter:** 37 Millimeters - **Item Diameter:** 45 Millimeters - **Brand:** Othmro - **Color:** Black ## Images ![Othmro 10Pcs Nitrile Rubber O-Rings 45mm OD 37mm ID 4mm Width, Metric Buna-N Sealing Gasket - Image 1](https://m.media-amazon.com/images/I/61dvh0PgfvL.jpg) ![Othmro 10Pcs Nitrile Rubber O-Rings 45mm OD 37mm ID 4mm Width, Metric Buna-N Sealing Gasket - Image 2](https://m.media-amazon.com/images/I/51OxQr17WkL.jpg) ![Othmro 10Pcs Nitrile Rubber O-Rings 45mm OD 37mm ID 4mm Width, Metric Buna-N Sealing Gasket - Image 3](https://m.media-amazon.com/images/I/611pkX9o1pL.jpg) ![Othmro 10Pcs Nitrile Rubber O-Rings 45mm OD 37mm ID 4mm Width, Metric Buna-N Sealing Gasket - Image 4](https://m.media-amazon.com/images/I/61YVrsjuC+L.jpg) ## Available Options This product comes in different **Size** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/534116840-othmro-10pcs-nitrile-rubber-o-rings-45mm-od-37mm-id](https://www.desertcart.sg/products/534116840-othmro-10pcs-nitrile-rubber-o-rings-45mm-od-37mm-id) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-10-12*