Heater AC Control Knobs (1987–2011) for Peterbilt 121-0001-000

Includes: - Heater AC Control Knobs

Fits Models: - Peterbilt 379, 388, 389, 357, 365, 377, 357

Model Years: - 1987–2011

Submodels: - Common trims include Classic, Extended Hood, and Day Cab; chassis codes may vary by model.

Engine Options: - Compatible with standard engine options including Cummins ISX, PACCAR MX-13, and Caterpillar C15.

Description: These Heater AC Control Knobs are designed specifically for Peterbilt trucks, providing a reliable replacement for worn or broken knobs. They ensure easy operation of your vehicle's heating and air conditioning system, enhancing comfort during your drives.

Features: - Direct replacement for OEM part number 121-0001-000 - Durable construction for long-lasting use - Easy installation with no special tools required - Fits a wide range of Peterbilt models from 1987 to 2011 - Restores functionality to your HVAC controls

Part Number: 121-0001-000