Your search for "Juniper MX204" revealed the following:
NEW Juniper MPC3E-3D-NG-Q MX Series Next-Gen MPC3E Router Module
SKU: NSN-9790
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper MX-MPC3E-3D MX Series Router 2x MIC Slot Line Card
SKU: NSN-2314
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper MX80-AC MX Series MX80 AC Router Chassis
SKU: NSN-2426
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper MX2000-PSM-AC-S MX2000 Series AC Delta Router Power Supply
SKU: NSH-9576
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper MPC7E-10G MX Series 40x 10GB SFP+ Router Line Card
SKU: NSH-8678
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days