Check the listing for details. Brake Chamber Diaphragm Type 24 Excel# EM42400 Ref# Bendix 236667 234100 8017141. Condition: New. Listed at 7.00 USD. New Genuine Excel Diaphragm P/N EM42400. Alternative and other replacement reference part numbers: Bendix 236667, 234100, Mack 64SM19, Industry 8017141, D24, T24. Description: Type 24 Brake Chamber Diaphragm Diameter 7in. Please contact us via email if you have any doubt about what parts you need, or please contact your local OEM dealership for correct part # to ensure correct part. Check out my other items! We can also combine orders to save on shipping. If you need any parts not found on our eBay store let us know, we may have the part in store and we don't mind making an eBay page for it. We're an authorized dealer of PAI and Excel products, please let us know if there is any other parts you might need, thanks.