(not c177) Although there are many different part number which can be confusing, they all refer to the same unit. It has been thoroughly inspected and no defects to be found. The unit will need some seals  please refer to cessna service bulletin seb 01-2 and also to original sid 32-10-01

  These units are very pricey if bought from vendors, but I am selling it as-is for $2500. I will accept returns if not satisfied. be sure to inspect your existing installation by either removing actuator or closeout plates, and play close attention to the service bulletin   Please contact me for addl info if needed   

   IF YOU OWN A RG  172,182 OR  

210 SOONER OR LATER YOU WILL NEED THIS PART.  unit has been dye penetrant checked snd visual magnification chkd, and no discernible damage seen