# Replacement part Lenovo FRU CS21 — FRU module by Lenovo, MPN 5M11A17804

**URL:** https://aio.lv/en/product--lenovo-5m11a17804--5085272
**Data updated:** 2026-03-27 13:42 (EET)
**Category:** Printer & Copier Parts
**Manufacturer:** Lenovo
**Manufacturer code:** 5M11A17804
**EAN:** 5704174845843
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Lenovo FRU CS21 is a factory replacement FRU module designed for use with compatible Lenovo systems. Supplied as a spare part with manufacturer MPN 5M11A17804 and EAN 5704174845843, it serves as a direct-fit component for maintenance and repairs. Ideal for technicians and IT departments performing hardware replacements or system servicing.

## Long description

The Lenovo FRU CS21 is a factory replacement FRU module designed as a direct-fit spare part for compatible Lenovo systems. Supplied as an original equipment manufacturer component, this FRU module is intended for maintenance and repair tasks where an exact replacement is required to restore system functionality. The unit is provided without additional accessories and is intended for technicians and IT staff who perform hardware replacements and system servicing.
Advantages
This FRU module offers a direct-fit replacement that matches the original component’s form factor and connector layout, reducing installation time and compatibility checks. As an OEM factory spare, it maintains the original design tolerances and quality standards expected for Lenovo service parts. The module’s straightforward installation supports quick field replacement, minimizing system downtime during repairs and maintenance cycles.
Suitable for
On-site hardware repairs and part replacements in compatible Lenovo servers or storage systems
IT service desks performing preventive maintenance or component swaps
System refurbishment projects requiring original manufacturer spare parts
Key specifications
Type: Factory replacement FRU module suitable for specified Lenovo systems
Compatibility: Designed to match original component physical and electrical interfaces for direct replacement
Condition: New, intended as a spare part for maintenance and repair
Form factor: OEM module form factor compatible with targeted Lenovo hardware bays or slots
How to use
Identify the failed or worn module in the target Lenovo system and power down the device according to the manufacturer service procedures. Remove the original FRU following the system’s service manual instructions, taking anti-static precautions. Install the replacement FRU CS21 by aligning connectors and securing any retention clips or fasteners as required. After installation, power on the system and verify that the hardware is recognized and functioning according to system diagnostics.
Usage recommendations
Use only the specified replacement module in systems listed as compatible to ensure mechanical and electrical fit. Follow Lenovo service documentation for torque specifications, handling instructions, and post-replacement verification steps. Store unused spare modules in anti-static packaging and in a controlled environment to prevent moisture or electrostatic damage.

## FAQ

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### What is the warranty period?

All Lenovo products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Lenovo service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

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