SE27900-SP SMI Defender Stop Arm 3M Hi Intensity & Incandescent

Part number: SE27900-SP
Price range: $580.26 – $582.88
Last checked: Oct 29, 2026

Spec sheet

Collected from 1 supplier page - confirm fit with the supplier before ordering.

SMI Defender series stop arm assembly. Made with 3M Hi-Intensity reflective decals. Incandescent lights. Replaces SE17900-SP Also available in 3M Engineering Grade Prismatic Reflective p/n SE27500-SP (see below).

Suppliers (2)

TAC Bus Parts
SE27900-SP SMI Defender Stop Arm 3M Hi Intensity & Incandescent · In stock
Checked Oct 29, 2026
$580.26
View at supplier
Unity School Bus Parts
SE27900-SP, SMI Defender Series Electric Stop Arm Assembly w/Hi-Intensity Blade · In stock
Checked Oct 28, 2026
$582.88
View at supplier

Price history

Date	Supplier	Price	Stock
Oct 29, 2026	TAC Bus Parts	$580.26	In stock (2 available)
Oct 28, 2026	Unity School Bus Parts	$582.88	In stock
Oct 28, 2026	Unity School Bus Parts	$582.88	In stock
Oct 27, 2026	Unity School Bus Parts	$582.88	In stock