Product description This side door hydraulic pump door lock secures the hydraulic pump compartment on compatible excavator models. It is a direct replacement component engineered for reliable door locking and straightforward installation, restoring secure access to the hydraulic pump area and preventing unintended openings during operation or transport. Key benefits Restores secure access: Replaces damaged or worn door locks to prevent accidental opening of the hydraulic pump compartment during use or transit. Reduces downtime: Quick replacement and reliable engagement help minimize machine downtime for maintenance and field repairs. Stable operation under load: Designed to maintain secure latch engagement despite vibration and typical construction site conditions. Straightforward fit: Built to align with original door lock mounting points for a simple swap and correct alignment. Main features and attributes Function: Side door lock for the hydraulic pump compartment, providing a locking mechanism to secure the pump access door. Compatibility: Compatible with Caterpillar excavator models 320, 320B, 320C, and 320D. Fit and installation: Designed to match original equipment mounting locations and dimensions to facilitate direct replacement with minimal adjustment. Performance: Intended for reliable, repeatable locking action and resistance to vibration common in heavy equipment operation. Construction: Engineered for heavy equipment use and routine service conditions. Typical use scenarios Field : a failed side door lock on site to regain secure access to the hydraulic pump and the machine to service the same day. Routine maintenance: Install as part of scheduled maintenance when inspecting pump compartment seals and latches to ensure safe operation and secure transport. Equipment refurbishment: Use during restoration or refurbishment of older excavator units to renew locking components and improve operational reliability. Compatibility note Compatible with Caterpillar excavator models 320, 320B, 320C, and 320D. Confirm compatibility with the machine serial number or parts diagram before ordering to ensure proper fit. This replacement side door hydraulic pump lock is intended for use as a component part on compatible excavators to restore secure pump compartment access and support reliable daily operation.