Single Side Air Diaphragm w/ Plate for Stop Arm
Lowest price found: $41.16 at BPW Direct. Compared across 2 suppliers, checked Oct 28, 2026. Prices exclude shipping.
$41.16In stock- Unity School Bus PartsView at unityparts.com
170, SMI Air Outer Diaphragm Plate for Air Stop and Crossing Arms
Price on siteIn stock
Price trend
Lowest listed price on 2026-10-28: $41.16. We'll show how the lowest price moves each time this part is checked again.
Frequently asked
What is the lowest listed price for Single Side Air Diaphragm w/ Plate for Stop Arm?
$41.16 at BPW Direct, checked Oct 28, 2026. This is the lowest listed price among the saved offers, not a guarantee of the lowest price everywhere. Shipping, taxes and fit requirements must be confirmed with the supplier.
Which suppliers list Single Side Air Diaphragm w/ Plate for Stop Arm?
Saved results include Unity School Bus Parts, BPW Direct. These are the suppliers found, not an exhaustive list of every seller. Verify the part number and fit on each linked product page.
How fresh are these prices?
These offers were checked Oct 28, 2026. Saved comparisons are reused for 14 days; a new search after that window checks supplier websites again. Prices and stock may change before the next check.