PULLEY (P/N s378-1) - New Surplus

The s378-1 is a flight-control cable pulley designed to route and redirect cables in primary control systems. This component features ball bearings for smooth cable movement and mounts in bracket assemblies with protective guards. Installed in aileron and elevator cable runs on Cessna 150 aircraft, the pulley maintains proper cable alignment and reduces friction during control surface actuation.

FAA-PMA replacements like McFarlane MCS378-1 are available for s378-series applications. Verify part applicability in your aircraft's Illustrated Parts Catalog before installation.

What is the PULLEY (P/N s378-1)?

The s378-1 is a flight-control cable pulley designed to route and redirect cables in primary control systems. This component features ball bearings for smooth cable movement and mounts in bracket assemblies with protective guards.

Is the s378-1 a PMA or OEM part?

The PULLEY may be available as an OEM (Original Equipment Manufacturer) or PMA (Parts Manufacturer Approval) part depending on condition and source. Both carry FAA certification for airworthiness. Currently available in: New Surplus. Contact us for sourcing details.

Does the s378-1 include installation hardware?

Installation hardware requirements vary by application. Check your aircraft's Structural Repair Manual (SRM) or Illustrated Parts Catalog (IPC) for the complete installation kit requirements for the PULLEY. We stock related hardware and can help identify companion parts.

Can the s378-1 be shipped internationally?

Yes, we ship airframe components worldwide. International orders typically arrive within 3-14 business days depending on destination. Export documentation and customs forms are included. Contact us for international shipping quotes on the s378-1.