This 5-cup Glass Jar Replacement Part #014709 is dishwasher safe and thermal shock tested to withstand extreme temperature changes. Replaces Oster square top glass jars. Fits all Oster blender models using a 5-cup jar with a square top. Fits all Oster Kitchen Center models. This is the most common Oster jar type. Package contains: 1 (one) 5-Cup square top glass jar, replacement part #014709 1 (one) square top plastic lid, replacement part #014357-050-090 1 (one) filler cap, replacement part #024997-010-089 All Kitchen Centers use this type of jar. This will fit all Oster blenders, but if yours is a very old model (40 years old), using a 4-cup jar or a new model using a 6-cup jar, your lid will not fit, and you may need to purchase the OS-060 lid and cap. Fits Most Oster Blenders. Use sealing ring: 004900-003-NP0 Use bottom cap: 004902-003-NP0