Your search for "Juniper MX204" revealed the following:

NEW Juniper MPC7EQ-10G-RB MX2000 40x 10GB SFP+ Router Line Card

SKU: NSN-4756
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper DPCE-R-Q-20GE-SFP MX Series 20x 1GB SFP Router Line Card

SKU: NSB-0182
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper MIC6-10G-OTN MX2000 Series 24x 10GB SFP+ Router Module

SKU: NSN-3789
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper MPC7E-MRATE-RB MX2000 Series 12x 100GB QSFP28 Router Line Card

SKU: NSB-2701
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Juniper MPC7EQ-10G-IRB MX2000 40x 10GB SFP+ Router Line Card

SKU: NSH-9727
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper MPC7E-MRATE-RB MX2000 Series 12x 100GB QSFP28 Router Line Card

SKU: NSN-3529
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper MPC7EQ-10G-B MX2000 40x 10GB SFP+ Router Line Card

SKU: NSN-4755
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper PC-4OC48-SON-SFP MX Series 4x OC48 Router Module

SKU: NSN-8005
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper MIC3-3D-1X100GE-CFP MX Series 1x 100GB CFP Router Module

SKU: NSN-2423
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper RE-S-X6-64G-R MX Series (Redundant RE) Routing Engine

SKU: NSB-5775
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days