United Pacific 42002 – Peterbilt 579 Chrome Plastic DEF Filler Trim

High-Quality Chrome DEF Filler Trim for Peterbilt 579

Refresh your truck’s exterior with the United Pacific 42002 – Chrome Plastic DEF Filler Trim, designed for 2012–2021 Peterbilt 579 models equipped with side fairings. Crafted from durable, injection-molded plastic and finished with a premium chrome plating, this trim replaces the original DEF filler bezel to restore a clean, polished appearance. Each piece comes ready to install with pre-mounted clips for a factory-quality fit.

Product Features

• Manufacturer: United Pacific
• Item Number: 42002
• Material: Chrome-plated injection molded plastic
• Finish: Bright, mirror-like chrome finish
• Fitment: 2012–2021 Peterbilt 579 models with side fairings
• Installation: Direct replacement with pre-installed mounting clips
• Design: Installs in place of the original DEF filler trim
• Durability: Resistant to cracking, fading, and pitting
• Sold individually

Performance & Fit

The United Pacific 42002 DEF filler trim is engineered for perfect OEM-style fitment. Its injection-molded ABS construction offers long-term durability, while the triple-chrome finish maintains a polished look even under harsh road and weather conditions. Installation is fast and secure using the included clips — no adhesives or drilling required.

Installation

1. Remove the factory DEF filler trim.
2. Align the new chrome trim with the mounting holes.
3. Press firmly until the clips snap into place.
4. Inspect fitment to ensure a secure, flush mount.

Why You’ll Love It

• Quick, direct-fit installation
• Brilliant chrome finish enhances exterior appearance
• Durable construction built to last
• Designed specifically for Peterbilt 579 trucks with side fairings

Common Questions

• Does this fit all Peterbilt 579 models? Fits 2012–2021 models with side fairings.
• Is hardware included? Yes, mounting clips are pre-installed on the trim.
• Is it real chrome? Chrome-plated ABS plastic for a mirror finish and light weight.
• Can it replace the factory trim? Yes, designed as a direct replacement for the OEM DEF filler trim.

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

Note: Designed for Peterbilt 579 trucks equipped with side fairings (2012–2021). Always confirm fitment before installation.