Why Upgrade Your A/C Control Knob?
Factory A/C knobs can:
- Look worn or outdated
- Lack customization options
- Stand out against a chrome or show-style interior
This upgrade gives you control over both style and detail.
With a chrome-plated finish and crystal-ready center, this Deluxe Signature knob lets you build a fully customized dash setup.
Perfect For:
- Peterbilt interior upgrades
- Show trucks and custom builds
- Matching crystal and chrome interior themes
- Replacing worn or faded factory A/C knobs
Crystal-Ready Indented Design (Customizable Center)
Built for personalization:
- Center indentation designed for crystal inserts
- Compatible with United Pacific crystal accessories
- Lets you customize color and style to match your interior
⚠️ Crystal insert not included.
Triple Chrome Plated Finish (Premium Appearance)
Designed for a clean, high-end look:
- Triple chrome plating process
- Bright, mirror-like finish
- Matches other chrome interior accessories
Creates a consistent, polished look across your dash.
Deluxe Signature Series Styling (Upgraded Detail)
Engineered for a refined look:
- Signature Series styling profile
- Designed to stand out from standard knobs
- Adds depth and detail to your control panel
⚠️ Patent pending design.
Durable Injection Molded Construction
Built for everyday use:
- High-quality injection molded plastic
- Lightweight and durable
- Designed for long-term performance
Handles daily adjustments without compromising fit or finish.
Included O-Rings (Expanded Fitment Compatibility)
Designed for broader applications:
- Includes black, blue, and red rubber O-rings
- Helps accommodate 2005 and older Peterbilt models
- Improves fit across different configurations
⚠️ Fitment may vary depending on control setup.
Direct Replacement Installation
Simple upgrade process:
- Replaces factory A/C control knob
- No major modification required
- Designed for straightforward installation
⚠️ Installation may vary depending on model and HVAC configuration.
Vehicle Fitment
Compatible with a wide range of Peterbilt models, including:
- 210, 220
- 281, 288, 289
- 320, 325, 330, 335, 337, 340
- 341, 345, 348, 351, 353
- 357, 358, 359
- 362, 365, 367, 370, 372
- 375, 377, 378, 379, 379X
- 382, 384, 385, 386, 387, 388
- 389
- 520, 535, 536, 548
- 567, 579, 587, 589
⚠️ Fitment may vary depending on dash and HVAC configuration—verify before purchase.
What’s Included
- 1 × Deluxe Signature A/C Control Knob (Indented)
- Black, Blue, and Red Rubber O-Rings
Warranty Coverage
- 6-Month Limited Warranty
Frequently Asked Questions
Does this include the crystal insert?
No. This knob is designed to accept a crystal insert, but the crystal is sold separately.
What crystals fit this knob?
It is designed for use with United Pacific crystal inserts.
Is this a direct replacement for my factory A/C knob?
Yes. It is designed to replace your factory knob with no major modifications required.
What are the included O-rings for?
The included O-rings help improve fitment and compatibility, especially for older Peterbilt models (2005 and earlier).
Will this fit my Peterbilt truck?
It fits a wide range of models, but fitment may vary depending on your specific dash and HVAC setup.
Is this suitable for daily use?
Yes. It’s built for both daily drivers and show trucks, combining durability with custom styling.















