Is your Oster blender leaking or not spinning right? It might be a worn-out jar bottom cap. This replacement part fits a ton of Oster blender models (like 4094, BRLY07-B, BCBG08-C, 6650, 6878, and many more – check the list to be sure). It’s made from high-quality plastic that’s durable and resists rust, so it’ll keep your blender running smoothly. Easy to install – just swap out the old cap and you’re back to blending shakes, smoothies, soups, and sauces in no time. This is an Upstart Components brand part (not OEM), but it’s designed to match the original specs. Affordable fix compared to buying a whole new blender! Perfect for DIY repairs at home. Keep your favorite appliance alive and save money. Note: Always unplug the blender before replacing parts. If you’re unsure about compatibility, double-check your model number. A small part that makes a big difference!