1. Applicable Model: Parking and air brake knobs is fit for threaded push pull valves, and replacement for , replacement for truck. 2. part number: The part numbers for reference is 298818 298818N TR298818 V1118489 25110977 for yellow knob; 298817 298817N TR298817 V118490 25110978 for red knob. 3. Enhanced Visibility: With their vibrant yellow and red colors, these brake knobs are designed to stand out in your vehicle's interior, making them easy to locate and use. 4. Durability and Resilience: Manufactured from plastic materials, these brake knobs are designed to withstand high pressure and continuous use. The robust construction ensures long term durability. 5. Easy Installation: Direct replace old or knobs. Whether it's the yellow parking brake knob or the red trailer air brake knob, the installation process is straightforward and does not require professional assistance.<br><br>Item Type: Parking and Air Brake Knobs part number: Yellow Parking Brake Knob: Replacement for 298818 298818N TR298818 V1118489 25110977 Red Trailer Knob: Replacement for 298817 298817N TR298817 V118490 25110978 Fitment: For Threaded Type Push Pull Valves, Mv-3 valve, replacement for , replacement for and replacement for Truck Colour:As Shown Material:plastic Note: Installation guide not included, Please check as much as possible to make sure the item is what you need. Due to different batches, there may be differences in product appearance and printed text, which not affect use<br><br>Package Contents: 1 x Parking Brake Knob 1 x Air Brake Knob<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.