Piper Seat Adjustment Spring. Replaces Piper Part 587-404.

Replacement springs just got more affordable!

• PMA direct replacement for Piper part number 587-404 (Stabilus Bloc-O-Lift or Gas Springs Corp. EasyLift style cylinder).
• Piper part number 89178-010 is an assembly that includes the 587-404 cylinder and an adaptor block. Some parts catalogs do not list the 587-404 separately. McFarlane part number MC587-404 is a direct replacement for the cylinder component of 89178-010.
• Does not replace Piper part number 76445-000 (P.L. Porter Hydro Lock style cylinder).
• One seat adjustment spring per bucket type seat (bench type passenger seats are excluded).
• Adapter P/N MC37902-06 also available (threads on end of spring) see link below.
  

Part Number:

MC587-404    

Approval Basis:

FAA-PMA Approved

Replaces:

Piper 587-404 or 89178-010

Aircraft Eligibility:

PA-28-140 s/n 28-7425061thru 28-7725290 (see Note 1);
PA-28-151 s/n ALL (see Note 1);
PA-28-161 s/n 2816001 thru 2816119 (see Note 1); 28-7716001 thru 28-7716073 (see Note 1), 2841001 thru 2841365, 2842001thru 2842999;
PA-28-180 s/n 28-7405035 thru 28-7505260 (see Note 1);
PA-28-181 s/n 28-7690001 thru 28-7790358 (see Note 1), 2843001 thru 2843999 (see Note 1), 2890206 thru 2890231 (see Note 1); 28-7790359 thru 28-8690062
PA-28-201T s/n ALL;
PA-28-235 s/n 28-7410027 thru 28-7710089 (see Note 1);
PA-28-236 s/n 28-7911001 thru 28-8611008, 2811001 thru 2811050;
PA-28R-200 s/n 28R-7435035 thru 28R-7635545 (see Note 1);
PA-28R-201s/n 28R-7737002 thru 28R-7837317 (see Note 1), 2837001 thru 2837061 (see Note 1);
PA-28R-201T s/n 28R-7703001thru 28R-7803373 (see Note 1), 2803001 thru 2803012 (see Note 1);

PA-28RT-201 s/n 28R-7918001 thru 28R-8218026

PA-28RT-201T s/n 28R-7931001thru 28R-8631005; 2831001 thru 2831038
PA-32-260 s/n 32-7400001 thru 32-7800008 (see Note 1);

PA-32-300 s/n 32-7440001 thru 32-7940290 (see Note 1);

PA-32-301 s/n 32-8006002 thru 32-8606023, 3206001 thru 3206060;
PA-32-301T s/n ALL;
PA-32R-300 s/n ALL (see Note 1);
PA-32R-301 s/n 32R-8013001thru32R-8613006, 3213001 thru 3213103, 3246001 thru 3246999;
PA-32R-301T s/n 32R-802900 l thru 32R-8629008, 3229001 thru 3229003, 3257001 thru 3257999;
PA-32RT-300 s/n ALL;
PA-32RT-300T s/n ALL;
PA-34-200 s/n 34-7450033 thru 34-7450220 (see Note 1);
PA-34-200T s/n ALL (see Note 1);
PA-34-220T s/n 34-8133001thru34-8633031, 3433001 thru 3433172, 3447001 thru 3447029, 3448001 thru 3448079, 3449001 thru 3449999;
PA-44-180 s/n 44-7995001 thru 44-8195026, 4495001 thru 4495013, 4496001 thru 4496999;
PA-44-180T s/n ALL;
PA-46-3l0P s/n 46-8408001 thru 46-8608067, 4608001 thru 4608140;
PA-46-350P (w/ G1000) s/n ALL;
PA-46-350P (w/o Gl000) s/n 4622001 thru 4622200, 4636001 thru 4636999;
PA-46-500TP  (w/ G1000) ALL;

PA-46-500TP (w/o G1000) ALL;

PA-46R-350T (w/ G1000) ALL;
PA-46R-350T (w/o G1000) ALL;  

Notes:

 Note 1: When equipped with Piper adaptor part number 37902-06 or optional Piper kit number 761 103V, 761 104V, or 761 105V per Piper service letter 813.

Note 2: When equipped with adapter (MC37902-06).