Truck-Lite 40009Y – 40 Series 4" Round Incandescent Front/Park/Turn Signal Light Kit (Yellow Lens, Black PVC Grommet Mount, 24V, PL-3 Connection)

Upgrade or replace your commercial vehicle’s front signaling with the heavy-duty Truck-Lite 40009Y 40 Series 4" Round Turn Signal Kit. Engineered for high-vibration heavy-duty trucks and 24-volt commercial fleets, this complete front/park/turn lighting kit offers exceptional reliability and maximum visibility. Combining a classic, durable yellow polycarbonate lens with an impact-resistant black PVC grommet mount, this heavy-duty incandescent kit ensures FMVSS 108 compliance and long-lasting road performance.

Why Choose the Truck-Lite 40009Y?

• Engineered for Longevity: Featuring an innovative shock-mounted bulb design, this light absorbs road vibrations and jolts to drastically extend the life of the heavy-duty incandescent bulb.

• All-Weather Protection: Constructed with a polycarbonate lens and a black PVC grommet, this sealed, moisture-resistant assembly blocks out dirt, dust, and water to prevent internal corrosion.

• Complete Installation Kit: Your purchase includes everything you need for a fast flush-mount setup—the 4" round yellow lamp, a black PVC grommet, and a 3-wire harness with a right-angle PL-3 plug leading to a stripped end and ring terminal.

• Versatile Fleet Application: Rated for 24V electrical systems, it is perfect for vocational vehicles, military fleets, off-road applications, and heavy-duty commercial haulers.