United Pacific 31508 – 2-1/2" Closed Back Light Grommet
United Pacific 31508 – 2-1/2" Closed Back Light Grommet
The United Pacific 2-1/2" Closed Back Light Grommet provides a tight, vibration-resistant fit for marker and clearance lights while sealing the rear of the lamp opening. The closed-back design blocks moisture, dust, and debris from entering the housing for maximum protection and performance.
- SKU: 31508
- Black rubber grommet for 2-1/2" round lights
- Closed-back design helps seal light housing and prevent contamination
- Recess mount with full rubber backing
- Provides additional shock and vibration resistance
- Durable molded rubber for long-lasting flexibility
- Ideal for trucks, trailers, and heavy-duty lighting applications
- Easy press-fit installation — no tools required
Performance & Fit
This grommet is built to fit standard 2-1/2" marker and clearance lights while providing a clean, sealed finish. The closed-back feature protects electrical connections and enhances resistance against water, dust, and vibration in demanding environments.
Installation
- Clean the mounting surface and light housing opening.
- Insert the grommet into the 2-1/2" hole with the closed back facing inward.
- Press the light fixture firmly into the grommet until fully seated.
- Verify the light is secure and centered in the opening.
Why You’ll Love It
This 2-1/2" closed-back grommet delivers extra protection where it matters most. It keeps your lights securely mounted, sealed from road elements, and cushioned against vibration for longer-lasting performance.
Common Questions
Q: What type of lights does this grommet fit?
A: Fits standard 2-1/2" round marker and clearance lights.
Q: What makes this different from an open grommet?
A: The closed-back design provides additional sealing and protection for the rear of the light housing.
Q: What material is it made of?
A: Flexible black rubber for shock absorption and weather resistance.
⚠️ California Proposition 65 Warning
This product can expose you to chemicals including Carbon Black, known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.
Note: Standard 2-1/2" closed-back rubber grommet with recess mount. Designed to provide vibration resistance and a sealed fit for round marker and clearance lights.