4"Clear Model 40 Back-Up Lamp with Gray Flange Kit

Part number: TRU-40024
Price range: $17.64
Last checked: Oct 28, 2026

Industry research · October 29, 2026

School bus lighting: a 35-part replacement price report

35 matched lamps, headlight assemblies, marker lights and related components across public supplier catalogs. Color, wiring, connector and mounting differences matter as much as price.

Spec sheet

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

This product features a polycarbonate lens and housing that are vibration sealed. Its bulb is shock mounted for extended life. It is legal only for back-up functions and is not recommended for dome lamp use. This part replaces Signal-Stat 4041W and 4047W.

Suppliers (1)

BPW Direct
4"Clear Model 40 Back-Up Lamp with Gray Flange Kit · In stock
Checked Oct 28, 2026
$17.64
View at supplier

Specifications and fitment

Lens Material: Polycarbonate
Housing Material: Polycarbonate
Functionality: Back-up only
Replacement: Signal-Stat 4041W & 4047W
Mounting: Gray Flange Kit

Features

Polycarbonate lens & housing are vibration sealed
Bulb is shock mounted for extended life
Legal only for back-up function
Not recommended for dome lamp use
Replaces Signal-Stat 4041W & 4047W

Price history

Date	Supplier	Price	Stock
Oct 28, 2026	BPW Direct	$17.64	In stock