Mba Aerostar Turbo Cross-Shaft Bearing Kit For Use On Turbo-Charged Piper Aerostars Only

The Marsh Brothers Aviation Aerostar Turbo Cross-Shaft (TCS) Bearing Block Kit is a bearing-block upgrade kit for use on turbocharged Piper Aerostar aircraft. Manufacturer part number: M-01-1004-1.

Designed for the turbo cross-shaft assembly, the kit uses high-temperature, self-lubricating AeroTough HT (ATHT) polymer bearings. The manufacturer states that this design is intended to reduce bearing wear and eliminate the need for bearing lubrication.

• One complete kit is required per engine.
• Includes inboard/long and outboard/short polymer bearing blocks.
• Includes two high-strength stainless-steel end shafts and associated nuts.
• Configured for OEM cross-shaft part number 300035-527 with replaceable end shafts.
• Manufacturer states EASA, FAA and Transport Canada approval for the Aerostar TCS Kit.

Please verify aircraft eligibility, installed cross-shaft configuration and applicable approval status before installation. Install in accordance with the manufacturer’s installation instructions and approved maintenance data.