Is your blender leaking from the base, making a mess on your countertop? The culprit is often a worn-out gasket—that small rubber ring that seals the blade assembly to the jar. Replacing it is a simple, budget-friendly fix that can save you from buying a whole new blender.
This guide reviews the top blender gaskets for popular brands like Oster, Ninja, and Black+Decker. We’ll cover compatibility, materials, and sizes so you can choose the right seal for your model and get back to smooth blending without the drips.
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Blender Gasket Replacement Parts, Rubber Ring Seal Rings Blender Accessorie…
Best forOster and Osterizer standard models
- Four-piece value pack
- Dishwasher safe
ConsiderNot for Pro 1200
2pcs Gray Rubber Blender Gasket Replacement for Oster Osterizer
Best forOster blenders with 2.6-inch base
- Soft and elastic rubber
- Two-pack for backup
ConsiderLimited to Oster models
BokWin 2Pcs Blender O-Ring Gasket Seal
Best forOster kitchen centers and Osterizer
- Stretchable and durable
- Non-toxic material
ConsiderNot for all Oster models
Replacement for Black Decker Blender Gasket Rubber Sealing O-Ring 4Pcs
Best forBlack+Decker blenders (BL1900-BL9000)
- Better than OEM quality
- Four gaskets included
ConsiderOnly for Black+Decker
Equust 6-Pack Rubber Gaskets Sealing O-Ring Compatible with Oster Blender R…
Best forOster blenders needing multiple spares
- Six-piece value pack
- Easy installation
ConsiderNot for Pro 1200
3.94-inch Blender Rubber Gaskets Fit for Ninja Blender, 3 Pack
Best forNinja blenders with 3.94-inch gasket
- Fits multiple Ninja models
- Three gaskets included
ConsiderOnly for Ninja models
Shaker Bottle Gasket Replacement for BlenderBottle Strada Shaker Cup Stainl…
Best forBlenderBottle Strada shaker cups
- BPA-free silicone
- Includes removal tool
ConsiderOnly for Strada models
5Pcs Rubber Gaskets Seal O-Rings for Oster and Osterizer Blender Blade
Best forOster blenders needing food-grade silicone
- Five gaskets included
- BPA-free silicone
ConsiderNot for Pro 1200
3 Pack Rubber Gaskets Replacement，BEBEEPOO Rubber Gaskets 3.94 inch Sealin…
Best forNinja blenders with 3.94-inch seal
- Fits many Ninja models
- Three gaskets included
ConsiderOnly for Ninja models
6 PCS Rubber Gaskets Replacement Seal 3.94 inch for Ninja Blender, with Bru…
Best forNinja blenders with cleaning tools
- Six gaskets plus brush and hook
- Strong silicone rubber
ConsiderOnly for compatible Ninja models
Gnicaela 4-Pack Oster Gasket – Reliable Seal
Brand: Gnicaela
A solid, affordable choice for standard Oster blenders needing a reliable seal.
The Gnicaela replacement gasket set includes four rubber rings designed for Oster and Osterizer blenders. Made from high-quality rubber, these gaskets promise a perfect seal with no leakage, and they are durable enough for dishwasher cleaning. The set is a practical choice if you own multiple Oster jars or want spares on hand.
Before installing, remember to remove the worn gasket from the blade assembly. The inner diameter is sized for standard Oster models, but it’s not compatible with Oster Pro 1200 or In2uitive blenders, so double-check your model number. Replacing the gasket every six months is recommended to maintain optimal performance and prevent leaks.
- Four-piece value pack
- Dishwasher safe
- Prevents leaks effectively
- Not for Pro 1200
- Check model compatibility
Gosknor 2-Pack Gray Gasket – Simple Fix
Brand: Gosknor
A dependable, no-fuss gasket set for Oster blenders, with a spare included.
The Gosknor blender gasket set provides two gray rubber rings compatible with Oster and Osterizer blenders. Each gasket measures 2.6 inches in outer diameter, fitting blade bases with a 2 3/4-inch outer diameter. The rubber is soft yet resilient, resisting breakage and aging while maintaining good elasticity.
These gaskets excel at sealing, preventing food particles from escaping during blending. The two-piece pack is ideal for households with one blender, offering a spare for future replacements. Just verify your blender’s blade base size before ordering to ensure a proper fit.
- Soft and elastic rubber
- Two-pack for backup
- Good sealing performance
- Limited to Oster models
- Size must match exactly
BokWin 2-Pack O-Ring – Stretchable Seal
Brand: BokWin
A reliable, stretchable gasket that fits many Oster blenders and prevents leaks.
BokWin offers a two-pack of blender O-ring gaskets with an outer diameter of 2.59 inches and inner diameter of 2 inches. Made from high-quality rubber, these gaskets are stretchable and non-toxic, ensuring a snug fit and long-lasting use. They are designed for Oster kitchen centers and Osterizer blenders.
The soft, lightweight construction provides excellent sealing to prevent leaks during mixing. If your current gasket is damaged, this replacement can extend your blender’s service life. The gray color blends seamlessly with most blender jars, and the two-pack gives you a spare for when the first wears out.
- Stretchable and durable
- Non-toxic material
- Two gaskets included
- Not for all Oster models
- Color may vary
DRELD 4-Pack Black+Decker Gasket – OEM Quality
Brand: DRELD
A premium-quality gasket set that fits a wide range of Black+Decker blenders perfectly.
DRELD’s replacement gaskets are designed for Black+Decker blenders, fitting models like BL1900, BL3900, BL4900, and more. Each gasket has an outer diameter of 66mm and inner diameter of 51mm, sitting between the blade and jar bottom. The food-grade rubber is built to strict quality standards, often outperforming the original part.
This four-pack ensures you have spares, and the gaskets effectively protect your blender by sealing the connection and keeping the lid clean. They replace Black+Decker part number 132812-07, making installation straightforward. If you own a compatible Black+Decker model, this set offers excellent value and durability.
- Better than OEM quality
- Four gaskets included
- Food-grade rubber
- Only for Black+Decker
- Specific size requirement
Equust 6-Pack Gasket – Budget-Friendly Seal
Brand: Equust
An economical choice for Oster owners who want a bulk supply of reliable gaskets.
The Equust gasket set includes six rubber O-rings compatible with most Oster and Osterizer blenders, excluding Pro 1200 and In2uitive models. Each gasket has an inner diameter of 1.95 inches and outer diameter of 2.55 inches, fitting standard blade assemblies. The durable elastic rubber ensures a long-lasting seal.
Installation is simple: remove the jar base cap and ice blade, replace the old gasket, and reassemble. This practical solution saves you money by fixing leaks without buying a new blender. With six gaskets, you’ll have plenty for multiple replacements or for sharing with friends.
- Six-piece value pack
- Easy installation
- Durable elastic rubber
- Not for Pro 1200
- Size may not fit all
Feilifan 3-Pack Ninja Gasket – Perfect Fit
Brand: Feilifan
A precise-fitting gasket set for popular Ninja blenders, ensuring leak-free blending.
Feilifan’s gaskets are designed for Ninja blenders, specifically fitting models like BL450, BL455, BL456, and Nutri Ninja Pro BL451. Each white gasket measures 3.94 inches in diameter, 0.4 inches in height, and 0.11 inches in thickness. The food-grade rubber ensures a tight seal and durability.
This three-pack is compatible with various Ninja models, including Auto-iQ versions like NN-100, NN-101, and NN-102. Before replacing, remove the old gasket from the blade assembly. These gaskets prevent leaks and keep your Ninja blender performing like new, making them a smart investment.
- Fits multiple Ninja models
- Three gaskets included
- Food-grade rubber
- Only for Ninja models
- Check model compatibility
YINORD Shaker Bottle Gasket – Leak-Proof Seal
Brand: YINORD
A practical gasket kit that revives your BlenderBottle Strada and prevents leaks.
YINORD offers a gasket replacement kit for BlenderBottle Strada shaker cups, including four 3.3-inch gaskets, four 0.97-inch gaskets, and a removal tool. Made from BPA-free silicone, these gaskets provide excellent sealing and are safe for mixing protein shakes. The kit addresses common issues like aging, leaking, or lost gaskets.
Instead of buying a new lid or bottle, simply replace the gasket to restore your shaker’s functionality. The silicone material also helps reduce odors that can develop from protein powder residue. This economical solution keeps your favorite shaker bottle in top condition.
- BPA-free silicone
- Includes removal tool
- Multiple gasket sizes
- Only for Strada models
- Not for blenders
PERIOEER 5-Pack Gasket – Food-Grade Silicone
Brand: PERIOEER
A high-quality, food-safe gasket set that provides a snug fit and stops leaks.
PERIOEER’s gasket set includes five rubber O-rings compatible with Oster and Osterizer blenders, excluding Pro 1200 and In2uitive models. Made from food-grade silicone, these gaskets are BPA-free, non-toxic, and odorless. Their soft, elastic nature ensures a tight seal and resistance to deformation.
The inner diameter is approximately 1.97 inches, and the outer diameter is 2.6 inches, fitting standard Oster blade assemblies. Installation is effortless: detach the blade, replace the gasket, and reassemble. This five-pack offers great value and ensures you always have a spare on hand.
- Five gaskets included
- BPA-free silicone
- Tight seal and easy install
- Not for Pro 1200
- Size must match
BEBEEPOO 3-Pack Gasket – Multi-Model Compatible
Brand: BEBEEPOO
A versatile gasket set that fits a wide range of Ninja blenders and prevents leaks.
BEBEEPOO offers a three-pack of white rubber gaskets measuring 3.94 inches in diameter, 0.4 inches in height, and 0.11 inches in thickness. These gaskets fit Ninja blade assemblies for models like BL450, BL456, BL480, and many others, including Auto-iQ versions. The food-grade rubber is strong and flexible, ensuring a leak-free seal.
This set is also compatible with Nutri Ninja models like NN-100 and NN-102, making it versatile for households with multiple Ninja devices. Replacing the old gasket is straightforward, and the three-pack provides spares for future needs. If you own a compatible Ninja blender, this is a reliable choice.
- Fits many Ninja models
- Three gaskets included
- Food-grade rubber
- Only for Ninja models
- Check model compatibility
OXDFK 6-Pack Gasket with Brush – Complete Kit
Brand: OXDFK
A comprehensive kit that keeps your Ninja blender sealed and clean, with extras.
OXDFK provides a comprehensive kit with six rubber gaskets, a small blue brush, and a hook for cleaning. Each gasket has a 3.94-inch diameter, fitting Ninja Pro and Nutri Ninja models like BL450, BL456, BL480, and BL680. The silicone rubber is stronger and more flexible than standard rubber, ensuring a secure seal.
The included brush and hook make cleaning the gaskets and blade assembly easier, extending their lifespan. This value pack is perfect for Ninja owners who want a complete maintenance solution. Just verify your blender model to ensure compatibility, as there are many gasket sizes for Ninja blenders.
- Six gaskets plus brush and hook
- Strong silicone rubber
- Complete maintenance kit
- Only for compatible Ninja models
- Size must be verified
Buyer’s Guide: What to Consider
Choosing the right blender gasket involves understanding your blender’s brand, model, and the gasket’s size and material. This guide covers key factors to help you make an informed decision and avoid leaks.
- Compatibility: Always check your blender's model number before purchasing a gasket. Many gaskets are brand-specific, and some models like Oster Pro 1200 or In2uitive are excluded. Refer to your blender's manual or measure the blade base diameter to ensure a perfect fit.
- Material Quality: Gaskets are typically made from rubber or silicone. Food-grade silicone is BPA-free, non-toxic, and resistant to odors, while rubber offers good elasticity and durability. Choose a material that is soft enough to create a tight seal but strong enough to withstand repeated use and cleaning.
- Size and Dimensions: Measure the outer and inner diameter of your current gasket or the blade base. Standard sizes include 2.6 inches for Oster and 3.94 inches for Ninja. Using the wrong size can lead to leaks or difficulty assembling the blender. Always compare dimensions before ordering.
- Pack Quantity: Consider how many gaskets you need. Single packs are fine for one-time replacements, but multi-packs (2, 3, 4, or 6) offer better value and provide spares for future replacements. If you have multiple blenders, a larger pack can be more economical.
- Ease of Installation: Most gaskets are easy to install: remove the blade assembly, take out the old gasket, and place the new one. Some kits include tools like brushes or hooks for cleaning, which can simplify maintenance. Look for gaskets that are flexible and stretchable for a snug fit.
Conclusion
Replacing a worn blender gasket is a simple and cost-effective way to restore your blender’s performance. Whether you own an Oster, Ninja, or Black+Decker, there’s a suitable gasket on this list to stop leaks and keep your blending smooth.
For Oster users, the Gnicaela or PERIOEER packs offer great value. Ninja owners should consider the Feilifan or OXDFK kits for a perfect fit. Black+Decker users will find the DRELD set reliable. Choose based on your model and needs, and enjoy leak-free blending.
Steven Settles is an ISCET-certified master in appliance repair. He has aced the National Appliance Service Technician Certification Exam, showcasing his exceptional diagnostic and repair skills. With an in-depth understanding of the latest repair technologies and a keen eye on evolving industry standards, Steven is a go-to expert for any appliance issue.