Feature: Made of plastic, both durable and practical. This turn signal switch adopts OEM design, stylish appearance, practical function, so you can use it comfortably. Allowing you to easily control the vehicle system during operation. This is a non-OEM product, accessory only! Includes control for: Turn Signal Light High and Low Beam Light Lighting System Sign The Width Light Windshield Wiper Switch Fitment: for Kenworth T370 T440 T470 T660 T680 T800 T880 C500 for Peter-bilt 330 337 365 367 379 384 385 386 387 388 389 567 579 587 Specification: Material: Plastic Color: Black OE Number: P27-6221, TRW480791, 20548AA, A0613-002-00 Size: 19x7x4cm / 7.48"x2.76"x1.57"(L*W*H) Hole Diameter: 6.5mm / 0.26" Cable Length: 84cm / 33.07" Pin Number: 8 Installation steps: Push the new turn signal switch into its slot. Push both small and large wire connector harness into turn signal switch. Remount the bottom half of the cover to the steering column. Remember to stretch the tilt lock groove around the tilt lock lever for reinstallation. Screw the bottom half of the cover back onto the steering column. Snap top half of shroud into the bottom half of cover, adjusting as necessary around the turn signal. Note: Please allow a 1-2 mm difference due to manual measurement. Make sure this is the correct application type of turn signal switch before placing an order. Package Included:1 x Turn Signal Switch