HP 733641-001 CPU Base Enclosure Replacement Chassis for Compatible HP Desktops

HP 733641-001 CPU base enclosure is a replacement chassis lower housing designed for compatible HP desktop systems. It serves as the structural base that holds the motherboard, power supply and other internal components while preserving original mounting points and fit. The part is intended for repairs and refurbishing to restore the original chassis layout without requiring modifications to system internals.

Advantages

This HP chassis lower housing matches original HP mounting points and form factor to ensure compatible reinstallation of components. It simplifies repair and refurbishment work by providing a ready-to-fit replacement that maintains factory alignment for the motherboard, drive bays and power supply. The component is RoHS marked and supplied as a single rail piece for straightforward installation by technicians or service centers.

Suitable for

• Repairing compatible HP desktop systems
• Refurbishing or rebuilding PCs to original configuration
• Replacing damaged or deformed lower chassis parts
• Service center maintenance and component swaps

Key specifications

• Brand: HP
• Manufacturer part number (MPN): 733641-001
• EAN/UPC: 5712505144961
• Product type: CPU base enclosure / chassis lower housing
• Package contents: rail (single piece)
• Compliance: RoHS marked

How to use

Power down the desktop, disconnect all cables and remove the existing upper cover and any obstructing components. Unscrew and remove the damaged lower chassis and transfer any reusable standoffs, brackets or cables to the replacement part. Position the HP 733641-001 base enclosure into the case, align factory mounting points, secure with original screws and reinstall the motherboard, power supply and drives. Verify connections and reassemble the system before powering on.

Recommendations

Use compatible screws and preserved internal brackets from the original chassis to maintain correct alignment. If unsure about installation, seek assistance from a trained technician or an authorized service center to avoid damage to components.