Your search for "Juniper MX204" revealed the following:
Juniper JNP-FAN-1RU MX Series Router Fan Tray for MX204
SKU: NSH-7292
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper MX240BASE-AC MX Series 4-Slot MX240 Base Router Chassis
SKU: NSH-3233
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper MIC-MRATE MX2000 Series 12x MultiRate QSFP+/28 Router Module
SKU: NSN-3766
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper RE-S-2000-4096-S MX Series 4GB Routing Engine w/ 2.0-GHz Processor
SKU: NSN-1572
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper MIC3-100G-DWDM MX Series 1x 100GB OTU4 Router Module
SKU: NSN-4754
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper MS-MPC-128G MX Series Router 128GB Multi Service MPC
SKU: NSN-9791
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper RE-MX2000-1800X4-S-A MX2000 Series Routing Engine and Control Board
SKU: NSB-2377
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper MX240BASE-AC-HIGH MX Series Router Bundle w/ SCB
SKU: NSB-5457
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper RE-S-X6-64G-BB MX Series Base Bundle Routing Engine
SKU: NSB-5773
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper RE-S-X6-64G-S MX Series 6 Core 2.0GHZ Router Routing Engine
SKU: NSN-9094
Condition: New
Shipping: Overnight Options
Warranty: 365 days