Product Overview
Replace a worn, damaged or missing outer A/C control knob while adding a chrome accent to your Peterbilt 579 dashboard. This aftermarket replacement is manufactured from injection-molded plastic and finished using a triple chrome-plating process.
Key Features & Benefits
2013–2021 Peterbilt 579 Fitment
Designed for the compatible outer HVAC control-knob position in 2013–2021 Peterbilt 579 trucks.
Direct Aftermarket Replacement
Replaces the matching OEM outer knob without requiring replacement of the complete climate-control unit.
Triple Chrome-Plated Finish
The bright chrome surface coordinates with other Peterbilt 579 dashboard trim and interior accessories.
Injection-Molded Plastic
Quality injection-molded plastic provides lightweight and durable construction for regular control-panel use.
Compatibility & Installation
Product specifications:
- Product type: Outer A/C control knob
- Vehicle: Peterbilt 579
- Model years: 2013–2021
- Material: Injection-molded plastic
- Finish: Triple chrome plated
- Fitment: Direct aftermarket replacement for the OEM outer knob
- Quantity: Sold individually
- Warranty: 6 months
A non-marking plastic pry tool is recommended when removing the original knob. The referenced tool is United Pacific item #99135.
Compare the replacement with the original outer knob before installation. Remove the existing knob carefully and avoid damaging the control stem or surrounding dashboard surface.
What’s Included
- 1 × Chrome Plastic Outer A/C Control Knob
The climate-control unit, inner knob, additional knobs and pry tool are not included.
Warranty
This Peterbilt 579 A/C knob includes a 6-month manufacturer warranty.
Frequently Asked Questions About the Peterbilt 579 Outer A/C Knob
Which trucks does this knob fit?
It fits the compatible outer A/C control-knob position on 2013–2021 Peterbilt 579 trucks.
Is this the inner or outer knob?
This product is the direct aftermarket replacement for the matching OEM outer knob.
Is the complete climate-control unit included?
No. This product includes only one outer control knob.
How many knobs are included?
The knob is sold individually.
Which installation tool is recommended?
A non-marking plastic pry tool is recommended. United Pacific item #99135 is sold separately.
What is the knob made from?
It is manufactured from injection-molded plastic with a triple chrome-plated finish.
