Grand General – 4″ Round Closed Back Grommet – 80655

4″ Round Closed Back Grommet – Cold-Resistant PVC & TPR

Protect your lighting setup with the Grand General 4″ Round Closed Back Grommet (80655). Designed for Grand General 4″ round lights, this premium grommet provides a watertight seal to prevent moisture and debris from entering the light housing. Its durable PVC and thermoplastic rubber (TPR) blend stays flexible in cold weather and ensures a tight, reliable fit for heavy-duty truck and trailer applications.

• Manufacturer: Grand General
• Item Number: 80655
• Material: Cold-resistant PVC with Thermoplastic Rubber (TPR)
• Design: Closed-back, watertight construction
• Fitment: For standard 4″ round light housings (ideal for Grand General lights)
• Mounting: Push-fit style for quick installation
• Durability: Cold-weather flexible, UV-resistant, and vibration-proof
• Unit & Package: Sold individually in color display bag

Performance & Fit

The closed-back design keeps your light and wiring protected from road spray, salt, and debris. Its flexible material maintains shape and performance even under extreme temperature changes, making it ideal for professional drivers who demand reliable lighting protection year-round.

Installation

1. Clean the mounting surface and confirm a standard 4″ opening.
2. Insert the grommet into the hole until the lip seats securely.
3. Push the light into the grommet until it locks firmly in place.
4. Verify a uniform, watertight seal around the housing.

Why You’ll Love It

• Closed-back design prevents water intrusion and corrosion
• Cold-resistant PVC/TPR stays flexible in extreme weather
• Quick, tool-free installation
• Fits most 4″ round light openings
• Durable construction extends light and wiring life

Common Questions

• Will this fit non-Grand General lights? Yes, it fits most standard 4″ round light housings.
• Is it open or closed in the back? Closed-back — fully sealed against moisture and dirt.
• Can it handle freezing temperatures? Yes, it’s built with cold-resistant PVC and TPR materials.
• Does it include mounting hardware? No hardware is required — this is a press-fit grommet.

⚠️ California Proposition 65 Warning:This product can expose you to chemicals including phthalates and other compounds known to the State of California to cause cancer and reproductive harm.For more information, visit www.P65Warnings.ca.gov.

Note: Designed for use with Grand General 4″ round LED or incandescent lights. Sold individually.