WESTACH TACHOMETER 3 1/8 INCH SQUARE 3AT3-2. Engine instrument (tachometer). Application: aviation aftermarket general fitment — verify part number against your aircraft IPC before ordering. Cross-reference this part by its manufacturer part number 3AT3-2 against your aircraft's illustrated parts catalog (IPC) or maintenance manual to confirm direct interchangeability. All inventory ships from our Arizona warehouse with FAA 8130-3 documentation where applicable, and traceability paperwork is available on request for parts requiring it. Call American Aviation Parts for inventory verification, cross-reference assistance, or to confirm certification status before placing your order.
