Bulk Buyer • Old & Obsolete Cisco • We Handle Logistics

Sell Your Used WS-X4503-FILTER

Old, obsolete, low or no value — we buy the Cisco WS-X4503-FILTER (C4503 Center Mount 23 Inch Filter (1 Set)) in bulk, working or not, and handle the logistics. No testing, no boxing, no cherry picking. The problem disappears.

Get an Offer

WS-X4503-FILTER Lifecycle and Specs

Cisco support for the WS-X4503-FILTER ended on October 31, 2025. Hardware past its last date of support can no longer be covered by a Cisco service contract, which is usually when organizations retire it.

Part number	WS-X4503-FILTER
Cisco description	C4503 Center Mount 23 Inch Filter (1 Set)
Product family	Cisco Catalyst 4000 / 4500
End-of-life announced	October 31, 2019
End of sale	October 30, 2020
Last date of support	October 31, 2025
Cisco replacement	There is currently no replacement produc

Dates and descriptions from Cisco’s end-of-sale and end-of-life announcement.

Upgrading to the There is currently no replacement produc?

Cisco lists the There is currently no replacement produc as the replacement for the WS-X4503-FILTER. If you are migrating, send us the WS-X4503-FILTER cards coming out of your chassis. We buy the whole lot, working or not.

Why Sell Your WS-X4503-FILTER to Us

We make the problem disappear — we handle the logistics
We buy in bulk — no cherry picking
Old, obsolete, low or no value — working or not
No special prep — just stack in gaylords/pallets
Fast payments — clear terms and quick POs

Get an Offer for Your WS-X4503-FILTER

Paste your list or upload a file. Part numbers and quantities are all we need to start.

Other Cisco Catalyst 4000 / 4500 Parts We Buy

WS-U4504-FX-MT Catalyst 4500 4-port 100FX(MTRJ) Uplink for WS-X4232-RJ-XX
WS-X4013+ Catalyst 4500 Supervisor II-Plus (IOS), 2GE, Console (RJ-45)
WS-X4013+/2 Catalyst 4507R Redundant Sup II-Plus,(2GE),Console(RJ-45)
WS-X4013+10GE Catalyst 4500 Sup II+10GE, 2x10GE (X2) and 4x1GE (SFP)
WS-X4013+10GE/2 Catalyst 4507R Sup II+10GE, 2x10GE(X2) and 4x1GE (SFP)
WS-X4013+TS Catalyst 4503 Supervisor II-Plus-TS, 12 10/100/1000 PoE + 8 SFP slots
WS-X4014 Catalyst 4000/4500 Supervisor Engine III (2 GE), Console (RJ45)
WS-X4019 Cisco Catalyst 4006 Backplane Channel Module
WS-X4124-FX-MT Catalyst 4500 FE Switching Module, 24-100FX (MTRJ)
WS-X4124-RJ45 Catalyst 4500 10/100 Module, 24-Ports (RJ45)
WS-X4148-FE-BD-LC Catalyst 4500 FE Module, 48-Port BX-D (LC) (1550)
WS-X4148-FE-LX-MT Catalyst 4500 FE module, 48-port 100LX SMF (MTRJ)

All Cisco Catalyst 4000 / 4500 part numbers →