Seat Spring Adapter 

• M10x1 thread size
• Available for Gas Spring Style MC587-404

Seat Adjustment Springs for Piper Aircraft

Replacement springs just got more affordable!

• Direct replacement - no conversion kit required
• One required per bucket seat
• Avoid downtime and expense of repeated overhauls

Replacements for both styles now available:

Gas Spring Style - P/N MC587-404

• Replaces Piper P/N 587-404 or 89178-010*
• Originals were manufactured by Stabilus Bloc-O-Lift or Gas Springs Corp Easy Lift
• M10x1 metric thread (~0.39 inch diameter)
• Adapter P/N MC37902-06 also available (threads on end of the Gas Spring Style 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.