Part Seal

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Piper · 3 listings from 3 suppliers (FlightHelmet.com, Knots 2U, Sky Supply USA) · $5.00 – $137.00. Prices refresh weekly.

from $5
from $85

Price trend · weekly low by condition

WeekConditionListingsLowAvg
2026-W35used 1$5 $5
2026-W35new 2$85 $111

Price spread · 3 priced listings

$5
$85
$137
median FlightHelmet.com · $5 · used Seal Washer A8402 (used/surplus) (click to open at supplier) Sky Supply USA · $85 · new Seal (Piper 65773-00 Wing Root) TWRS-1 (click to open at supplier) Knots 2U · $137 · new Seal Assy, Air Filter. Cessna 0452017-15 (click to open at supplier) $5 $137

Each dot is one listing (hover for supplier & condition); color = condition.

Price by condition · median

used (1) $5
new (2) $111
Seal Washer A8402 (used/surplus) FlightHelmet.com
Seal Washer A8402 (used/surplus)
PCHW
used
$5.00 view at supplier ↗
Seal (Piper 65773-00 Wing Root) TWRS-1 Sky Supply USA
Seal (Piper 65773-00 Wing Root) TWRS-1
Seals Mouldings And Channels
new
$85.45 view at supplier ↗
Seal Assy, Air Filter. Cessna 0452017-15 Knots 2U
Seal Assy, Air Filter. Cessna 0452017-15
Air Filters Cleaners
new
$137.00 view at supplier ↗