Seat Adjustment Springs for Piper Aircraft
Replacement springs just got more affordable!
Replacements for both styles now available:
Gas Spring Style - P/N MC587-404
*Some Piper parts catalogs do not list part number 587-404 separately, but list an assembly part number of 89178-010 instead. McFarlane P/N MC587-404 replaces the spring component of this assembly and adapter P/N MC37902-06 replaces the block.
Coil Spring/Hydraulic Style - P/N MC555-692
Maintenance Tip: Aircraft make, model and serial number are not sufficient to ensure the correct replacement spring as many aircraft may have been originally equipped with either one or retrofitted with a conversion kit. If the spring you are replacing is marked with a brand name (e.g. P. L. Porter or Stabilus) the correct replacement is readily identified. The coil spring/hydraulic style are also identifiable by a 1-1/4" diameter visible coil spring. The thread may also be measured to verify the correct identification. Original Gas Spring Style Original Coil Spring/Hydraulic Style |
Make | Series | Model | Beginning S/N | Ending S/N | Quantity Per Aircraft | Location | Comment | Eligibility Chart |
Piper | PA-28 | PA-28-140 | 28-7425061 | 28-7725290 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-28 | PA-28-151 | 28-7415001 | 28-7715314 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-28 | PA-28-161 | 2816001 | 2816119 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-28 | PA-28-161 | 28-7716001 | 28-8616057 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-28 | PA-28-180 | 28-7405035 | 28-7505260 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-28 | PA-28-181 | 28-7690001 | 28-8690062 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-28 | PA-28-181 | 2890001 | 2890231 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-28 | PA-28-235 | 28-7410027 | 28-7710089 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-28 | PA-28R-200 | 28R-7435035 | 28R-7635545 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-28 | PA-28R-201 | 2837001 | 2837061 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-28 | PA-28R-201 | 28R-7737002 | 28R-7837317 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-28 | PA-28R-201T | 2803001 | 2803012 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-28 | PA-28R-201T | 28R-7703001 | 28R-7803373 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-32 | PA-32-260 | 32-7400001 | 32-7800008 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-32 | PA-32-300 | 32-7440001 | 32-7940290 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-32 | PA-32R-300 | 32R-7680001 | 32R-7880068 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-34 | PA-34-200 | 34-7450033 | 34-7450220 | 2 | SEAT | See Note 2. | 6605 |
Piper | PA-34 | PA-34-200T | 34-7570001 | 34-8170092 | 2 | SEAT | See Note 2. | 6605 |
2007-10-25 Cessna Cardinal Seat Rails |
2012-02-10 Piper Seat Adjustment Springs |
2018-08-15 Piper Baggage Door Lock and Seat Spring |
McFarlane Aviation, Inc. PMA Supplement 90 |
The Ins and Outs of Articulating Seats |
ELIGIBILITY, Seat Components, Piper |
Seat Rails and Extrusions Catalog |
Question |
How do I know which Piper seat adjustment spring to purchase?
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