Product Overview
Replace a worn or missing control knob while adding a chrome accent to a compatible Kenworth T680 or T880 sleeper. The knob fits the fan-speed or temperature-control stem on OEM sleeper climate control unit F21-1030.
A metal sleeve inside the mounting hole helps secure the knob to the control stem.
Key Features & Benefits
Two Compatible Control Positions
The same knob can be used on either the fan-speed control or temperature control of the compatible sleeper HVAC panel.
Fits OEM Climate Control F21-1030
Designed for the OEM F21-1030 sleeper climate control used in compatible Kenworth T680 and T880 trucks.
Internal Metal Sleeve
A metal sleeve inside the mounting hole helps create a secure connection to the compatible A/C control stem.
Triple Chrome-Plated Finish
The chrome finish coordinates with other Kenworth sleeper and interior accessories.
Injection-Molded Plastic
Quality injection-molded plastic provides durable, lightweight construction for regular control-panel use.
Compatibility & Installation
Product specifications:
- Vehicle models: Kenworth T680 and T880
- Installation location: Sleeper climate-control panel
- Compatible control unit: OEM #F21-1030
- Control positions: Fan speed or temperature
- Material: Injection-molded plastic with internal metal sleeve
- Finish: Triple chrome plated
- Quantity: Sold individually
- Packaging: Retail packaging
- Warranty: 6 months
Use a non-marking plastic pry tool to remove the original knob without damaging the surrounding panel. United Pacific tool #99135 is recommended.
Compare the mounting hole and control stem before installation. Align the replacement carefully and do not force it onto an incompatible stem.
What’s Included
- 1 × Chrome Sleeper A/C Control Knob
The sleeper climate control unit and non-marking pry tool are not included. Any control unit shown in product images is for display only.
Warranty
This Kenworth sleeper A/C knob includes a 6-month manufacturer warranty.
Frequently Asked Questions About the Kenworth Sleeper A/C Knob
Which trucks does this knob fit?
It fits compatible Kenworth T680 and T880 sleeper climate control units identified by OEM number F21-1030.
Which control position does the knob fit?
The knob can be used for either the fan-speed control or temperature control.
How many knobs are included?
The knob is sold individually. Order the required quantity when replacing both compatible controls.
What does the metal sleeve do?
The sleeve inside the mounting hole helps secure the knob to the compatible control stem.
Is the climate control unit included?
No. The climate control unit shown in product images is for display only.
Which installation tool is recommended?
A non-marking plastic pry tool is recommended. The referenced tool is United Pacific item #99135, sold separately.

