Semi Truck Light Grommets Can Fit Many Universal Truck Makes & Models! The 40700 Truck-Lite 4" Round Open Back PVC Lamp Grommet Has Many Features & Benefits. See “The Specs” For Instance! Features & Benefits:
Flush Mounts 4” Diameter Lamps In A 4 1/2” Hole
Designed To Provide Additional Shock Absorbency To Extend Lamp Life
TPR Grommet Designed For Extreme Environmental Applications And Eliminates Outgassing