PISTON & SHOE (P/N 45403) - New Surplus

Part 45403 is a piston and shoe subassembly for engine-driven axial piston hydraulic pumps. This component converts swashplate motion into reciprocating piston movement, generating hydraulic pressure for aircraft systems. The assembly consists of precision-machined steel pistons paired with slipper shoes that interface with the pump's rotating group.

Installation requires matching as a complete set with correct clearances and orientation per pump maintenance manual specifications. Critical for reliable hydraulic system operation in engine-mounted pump configurations.

What is the PISTON & SHOE (P/N 45403)?

Part 45403 is a piston and shoe subassembly for engine-driven axial piston hydraulic pumps. This component converts swashplate motion into reciprocating piston movement, generating hydraulic pressure for aircraft systems.

What certifications or documentation come with the 45403?

Depending on condition, the 45403 may include an FAA 8130-3 Airworthiness Approval Tag, a yellow serviceable tag, or manufacturer documentation. Currently available in: New Surplus. Contact us for specific documentation details on the condition you need.

Can I use the 45403 during an engine overhaul or annual inspection?

Yes, the PISTON & SHOE can be used in engine overhauls and maintenance events. Always verify part compatibility against your engine's Type Certificate Data Sheet (TCDS) and Illustrated Parts Catalog (IPC) before installation.

What is the lead time for the 45403?

In-stock items ship same business day when ordered before 3 PM EST. We also offer 24/7 AOG (Aircraft on Ground) support at (904) 998-9101 for urgent engine part needs.