Restore full coffee performance with this genuine DeLonghi Nespresso Citiz Complete Capsule Brewing Unit / Infuser Piston Assembly ES0099854, designed for selected Citiz EN165, EN166, EN265, EN266, EN267 and EN325 series coffee machines.
This OEM brew unit is commonly searched as:
DeLonghi Brew Unit, Infuser Assembly, Brewing Group, Capsule Brewing Unit, Piston Mechanism, Coffee Machine Brew Unit, Nespresso Citiz Brew Unit, ES0099854 Infuser, Coffee Extraction Unit, Espresso Brew Group, and DeLonghi Repair Part.
If your machine is leaking coffee or water into the drip tray or dreg drawer, producing weak coffee, or failing to extract capsules properly, this unit is the most common failure part.
🔧 Product Overview
The brewing unit is the internal pressure and extraction system of your coffee machine.
It is responsible for:
✔ Capsule piercing and sealing ✔ Brewing pressure generation ✔ Espresso extraction ✔ Water flow regulation ✔ Brewing cycle control ✔ Coffee consistency
Over time, seals and internal components wear out, causing leaks and weak coffee output.
✔ Genuine OEM DeLonghi replacement part ✔ Complete capsule brewing mechanism ✔ Integrated piston system ✔ Factory-sealed assembly ✔ Designed for Nespresso Citiz system ✔ Restores brewing pressure ✔ Fixes leaks and weak coffee ✔ Improves extraction quality ✔ Long-lasting durable construction
🔄 Suitable Models
DeLonghi Nespresso Citiz Series
EN165
EN165.B
EN165.S
EN165.CW
EN166
EN166.B
EN167
EN265
EN265.BAE
EN265.CWAE
EN265.SAE
EN266
EN266.BAE
EN266.CWAE
EN267
EN325
EN325.B
Compatible / Related Platforms
BEC600 (Breville reference compatibility)
BEC650 (Breville reference compatibility)
BNE900 (reference compatibility range)
⚠️ Important Compatibility Note
✔ Brewing unit only ✔ Coffee machine NOT included ✔ Please confirm model before ordering ✔ Model number located under machine base ✔ Use images as reference before purchase
🛠️ Common Problems This Part Fixes
❌ Coffee leaking into drip tray ❌ Coffee leaking into dreg drawer ❌ Weak espresso extraction ❌ Watery coffee ❌ Capsule not fully extracting ❌ Brewing cycle stopping ❌ Internal pressure loss ❌ Wet coffee grounds ❌ Machine struggling to brew
