Looking for the best blender jar bases? We’ve tested and reviewed the top 10 options to help you find the perfect fit for your blender.
Blender jar bases are often overlooked, but they’re essential for keeping your blender running smoothly. A worn-out or cracked base can stop your blender in its tracks. Finding the right replacement can save you time and money.
We’ve tested and reviewed the best blender jar bases to help you choose. They’re easy to install, durable, and compatible with popular brands. No more leaks or frustration!
Whether you’re blending smoothies or crushing ice, the perfect jar base makes all the difference. Let’s dive in and find the ideal fit for your blender.
List of Top 10 Blender Jar Bases
| Image | Title | Best For | Price |
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2 Pieces 4902 Blender Jar Bottom Blender Jar Base Replacement Jar Bottom Base Cap Compatible with Oster Blender |
This blender jar bottom replacement is perfect for anyone who owns an Oster blender (except the Pro 1200 model) and needs a quick, easy fix. It’s durable, simple to install, and matches your blender’s color. |
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2 Pack of Blender Replacement Parts Jar Base Cap Compatible with Aspas Para Licuadora Oster Osterizer(Does NOT fit Pro, Master, or Versa models) |
This 2-pack blender replacement parts is perfect for anyone who owns an Oster Osterizer blender (excluding Pro, Master, or Versa models) and needs a quick, affordable fix. It’s easy to install and works just like the original part, saving you from buying a new blender. |
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for Oster Blender Replacement Parts Blender Ice Blade with Jar Base Cap and Two Rubber O Ring Seal Gasket Accessory Refresh Kit |
This Oster Blender Replacement Kit is perfect for anyone who loves making smoothies and blended foods. It’s great for those with older Oster blenders that need a refresh. |
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for Oster Blender Replacement Parts Blender Ice Crusher Blade with Jar Base Cap and Two Rubber O Ring Sealing Ring Gasket, Compatible with Oster Osterizer Blenders Accessories |
This Oster Blender Replacement Parts set is perfect for anyone who loves making smoothies, juices, or ice cream at home. If your Oster blender needs a quick fix, this kit has everything you need to get it working like new again. |
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Oster Blender Replacement Parts Kit – 6-Fin Ice-Crushing Blade, Jar Base Cap, and Two Rubber O-Ring Gaskets (4-Piece Accessory Refresh Set) |
This Oster Blender Replacement Parts Kit is perfect for anyone who wants to refresh their Oster blender. It’s ideal for smoothie lovers, ice crushers, and home cooks who need a reliable, leak-free blending experience. |
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6 Cup Blender Glass Jar with Blade,Including 1 glass jar with lid 1 4fins blade 1 blender jar base 3pcs seal gasket. Replacement Parts for Oster Osterizer (NOT fit Pro, Master or Versa models) |
This 6 Cup Blender Glass Jar is perfect for Oster blender owners who need reliable replacement parts. It’s great for daily blending, from chopping fruits to mixing veggies, and works well for busy kitchens. |
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Joyparts Replacement Parts Blender Jar Base Collar Ring, Compatible with Black&Decker Blenders |
This Joyparts Blender Jar Base Collar Ring is perfect for anyone who owns a Black&Decker Blender and needs a replacement part. It’s easy to use and fits specific models like BL2010BP, BL2020S, BL2020SC, and BL2020R. |
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Blendin Complete 6-Piece 48 Ounce Replacement Round Glass Jar Cup Assembly Set With a Jar Base Cap, Blade, Gasket, Round Lid, Center Fill – Compatible with Standard Oster & Osterizer Blenders |
This Blendin 6-Piece Glass Jar Set is perfect for anyone with a standard Oster blender who needs a reliable replacement. It’s great for saving money and keeping your favorite blender working like new. |
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4902-003 Replacement Blender Jar Base or 148381-000-090 FUSION Bottom Cap with O seal ring,Compatible with Oster Fusion blenders |
This replacement blender jar base is perfect for Oster blender owners. It’s ideal for anyone with a Fusion blender or older Oster models needing a reliable bottom cap. |
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Blender Jar Base with Gasket Replacement Part 4902 is compatible with Oster Blenders. |
This Blender Jar Base with Gasket Replacement Part 4902 is perfect for anyone with an Oster blender that needs a quick fix. It’s easy to install and works with most Oster models, so you can get blending again fast. |
Detailed Reviews
Discover the top 10 Blender Jar Bases carefully selected for performance, durability, and value. Each product is expert-reviewed and backed by customer feedback to ensure you get the best fit for your blender. Whether you need a cost-effective solution or a premium upgrade, this guide has you covered. Dive in to find the perfect match for your blending needs!
1. 2 Pieces 4902 Blender Jar Bottom Blender Jar Base Replacement Jar Bottom Base Cap Compatible with Oster Blender

Replace your blender jar bottom with ease. This 2-piece set fits most Oster blenders. No tools needed for installation.
Durable plastic ensures long-lasting use. Black color matches your blender seamlessly.
Proper size fits perfectly: 3 x 3 x 1 inches. Check compatibility before buying for best results.
| Pros | Cons |
|---|---|
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Perfect For:
This blender jar bottom replacement is perfect for anyone who owns an Oster blender (except the Pro 1200 model) and needs a quick, easy fix. It’s durable, simple to install, and matches your blender’s color.
Ready to Purchase?
2. 2 Pack of Blender Replacement Parts Jar Base Cap Compatible with Aspas Para Licuadora Oster Osterizer(Does NOT fit Pro, Master, or Versa models)

Revive your Oster blender with this 2-pack of jar base caps. These replacement parts are designed to fit most Oster and Osterizer models, excluding Pro, Master, and Versa. Say goodbye to the hassle of buying a new blender!
The package includes two base caps, ensuring you have a spare. They are easy to install, saving you time and money.
Compatible and convenient, this replacement kit is a cost-effective solution. It’s a simple fix to keep your blender running smoothly. Contact the seller if you have any issues.
| Pros | Cons |
|---|---|
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Perfect For:
This 2-pack blender replacement parts is perfect for anyone who owns an Oster Osterizer blender (excluding Pro, Master, or Versa models) and needs a quick, affordable fix. It’s easy to install and works just like the original part, saving you from buying a new blender.
Ready to Purchase?
3. for Oster Blender Replacement Parts Blender Ice Blade with Jar Base Cap and Two Rubber O Ring Seal Gasket Accessory Refresh Kit

Refresh your Oster blender with this handy replacement kit. It includes everything you need to get your blender working like new again.
The kit includes a 4-point blade, a blender jar base, and two seal gaskets. These parts are made from durable materials like stainless steel and rubber. They are designed to fit most Oster blender jars.
This replacement kit is easy to install and will help you make smoothies, shakes, and other blended foods with ease. It’s a cost-effective way to extend the life of your Oster blender.
| Pros | Cons |
|---|---|
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Perfect For:
This Oster Blender Replacement Kit is perfect for anyone who loves making smoothies and blended foods. It’s great for those with older Oster blenders that need a refresh.
Ready to Purchase?
4. for Oster Blender Replacement Parts Blender Ice Crusher Blade with Jar Base Cap and Two Rubber O Ring Sealing Ring Gasket, Compatible with Oster Osterizer Blenders Accessories

Revive your Oster blender with this replacement kit. It fits most Osterizer models, so you can get blending again. No need to buy a new blender when this kit has you covered.
The stainless steel blade is sharp and durable, perfect for crushing ice and blending smoothies, juices, and more. Made with high-quality materials, this kit is built to last and seal tightly.
Package includes: one blade, one jar base, and two sealing rings. Easy to install, works great, and saves you money.
| Pros | Cons |
|---|---|
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Perfect For:
This Oster Blender Replacement Parts set is perfect for anyone who loves making smoothies, juices, or ice cream at home. If your Oster blender needs a quick fix, this kit has everything you need to get it working like new again.
Ready to Purchase?
5. Oster Blender Replacement Parts Kit – 6-Fin Ice-Crushing Blade, Jar Base Cap, and Two Rubber O-Ring Gaskets (4-Piece Accessory Refresh Set)

Revitalize your Oster blender with this 4-piece replacement kit. It includes a 6-fin ice-crushing blade, a jar base cap, and two rubber O-ring gaskets.
This kit is perfect for Oster and Osterizer blenders with a blade base outer diameter of 2 3/4″. The stainless steel blade and durable rubber gaskets ensure smooth blending and a leak-free seal.
Easy to install, affordable, and high-quality. Refresh your blender today!
| Pros | Cons |
|---|---|
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Perfect For:
This Oster Blender Replacement Parts Kit is perfect for anyone who wants to refresh their Oster blender. It’s ideal for smoothie lovers, ice crushers, and home cooks who need a reliable, leak-free blending experience.
Ready to Purchase?
6. 6 Cup Blender Glass Jar with Blade,Including 1 glass jar with lid 1 4fins blade 1 blender jar base 3pcs seal gasket. Replacement Parts for Oster Osterizer (NOT fit Pro, Master or Versa models)

Revitalize your Oster blender with this 6 Cup Blender Glass Jar. It’s a perfect replacement for worn-out parts, designed to fit most Oster models. Not compatible with Pro, Master, or Versa models.
The sharp stainless steel blade easily chops fruits and veggies, handling daily blending tasks. The durable glass jar is leak-proof and easy to clean, making it ideal for everyday use.
Complete package: Includes glass jar, lid, blade, base, and 3 gaskets. Simple to install and ready to use.
| Pros | Cons |
|---|---|
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Perfect For:
This 6 Cup Blender Glass Jar is perfect for Oster blender owners who need reliable replacement parts. It’s great for daily blending, from chopping fruits to mixing veggies, and works well for busy kitchens.
Ready to Purchase?
7. Joyparts Replacement Parts Blender Jar Base Collar Ring, Compatible with Black&Decker Blenders

Need a replacement part for your Black&Decker blender? The Joyparts Blender Jar Base Collar Ring is a perfect match.
It’s easy to install, fits perfectly, and works like new.
| Pros | Cons |
|---|---|
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Perfect For:
This Joyparts Blender Jar Base Collar Ring is perfect for anyone who owns a Black&Decker Blender and needs a replacement part. It’s easy to use and fits specific models like BL2010BP, BL2020S, BL2020SC, and BL2020R.
Ready to Purchase?
8. Blendin Complete 6-Piece 48 Ounce Replacement Round Glass Jar Cup Assembly Set With a Jar Base Cap, Blade, Gasket, Round Lid, Center Fill – Compatible with Standard Oster & Osterizer Blenders

The Blendin Complete 6-Piece Set is a perfect match for Oster Blenders. It includes a 48-ounce glass jar, blade, lid, and more. This set is compatible with standard Oster models.
It’s easy to clean and built to last. Save money by replacing worn parts instead of buying a new blender. The glass jar has clear measurements for precise blending.
This set offers great value and high performance. It’s ideal for smoothies, drinks, and meals. Upgrade your blender with this durable, quality replacement.
| Pros | Cons |
|---|---|
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Perfect For:
This Blendin 6-Piece Glass Jar Set is perfect for anyone with a standard Oster blender who needs a reliable replacement. It’s great for saving money and keeping your favorite blender working like new.
Ready to Purchase?
9. 4902-003 Replacement Blender Jar Base or 148381-000-090 FUSION Bottom Cap with O seal ring,Compatible with Oster Fusion blenders

Replace your blender jar base with ease. This 148381-000-090 bottom cap is a perfect fit for Oster Fusion blenders. It’s a simple solution to keep your blender running smoothly.
The thin bottom cap is compatible with various Oster models, including the 4094 Classic Beehive and 6694-015 14 Speed Blender. It’s a versatile and essential part for your kitchen appliance.
Easy to install, durable, and affordable. This replacement part will have your blender working like new. No need for a costly upgrade.
| Pros | Cons |
|---|---|
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Perfect For:
This replacement blender jar base is perfect for Oster blender owners. It’s ideal for anyone with a Fusion blender or older Oster models needing a reliable bottom cap.
Ready to Purchase?
10. Blender Jar Base with Gasket Replacement Part 4902 is compatible with Oster Blenders.

The Blender Jar Base with Gasket Replacement Part 4902 is a must-have for Oster blender owners. It fits most Oster models, including Osterizers and Kitchen Centers, and even some Sunbeam blenders.
This replacement part includes a jar bottom cap and a sealing ring. It does not fit Oster Pro 1200 or Oster Versa blenders.
| Pros | Cons |
|---|---|
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Perfect For:
This Blender Jar Base with Gasket Replacement Part 4902 is perfect for anyone with an Oster blender that needs a quick fix. It’s easy to install and works with most Oster models, so you can get blending again fast.
Ready to Purchase?
Buying Guide
Blender jar bases are key to keeping your blender working well. A good base stops leaks and keeps blending smooth. Let’s find the perfect fit for you!
Factors to Consider When Buying Blender Jar Bases:
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Compatibility: Check if the base fits your blender model. Not all bases work with every brand or type.
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Material: Look for durable plastic or stainless steel. These materials last longer and handle daily use.
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Ease of Installation: Choose a base that’s easy to install. No tools? Even better!
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Seal Quality: A tight seal stops leaks. Look for bases with rubber gaskets for a secure fit.
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Price: Compare prices to find a cost-effective option. A good base saves you money in the long run.
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Package Contents: Some kits include extra parts like blades or gaskets. These can be a great value.
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Brand Reputation: Buy from trusted brands for reliable quality. Check reviews for peace of mind.
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Size: Measure your blender’s base to ensure a perfect fit. Wrong sizes can cause problems.
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Warranty: Look for products with a warranty. It shows the seller stands behind their product.