Hi Michelle, thank you for reaching out! Upon checking, that vehicle does not have a coolant level sensor. Click the link below to order the reservoir if needed. Have a great day! https://www.carparts.com/coolant-reservoir/replacement/repc161315?can=cpab2020_csqa_202406028

Hi Caleb, I'm glad to help you out. No, it does not. You can use the old one. Use the link below to order the reservoir while it's still on sale. Have a good one. https://www.carparts.com/coolant-reservoir/replacement/repc161315?can=cpab2020

Hi Boyd, I'm glad to assist you. No. This coolant reservoir is not compatible. The correct and matching part number for your given vehicle application is 84257137, by AC Delco brand. However, this part is temporarily out of stock today. Replenishing period would be within 2 to 3 weeks period. Please click on the "Notify Me When Available" button and enter your email address to be notified when items will be available. Still, you might be needing other parts such as thermostat and water pump. We do carry those parts and are readily available. Please browse our catalog listing and click the link below if you also need this parts as well. I hope this helps. Happy shopping. https://www.carparts.com/details/Chevrolet/Silverado_2500_HD/AC_Delco/Water_Pump/2018/LTZ/8_Cyl_6-dot-6L/AC251817.html?can=CPJE1043

Hi Jie, Based on our application guide, this is only for the 8 Cyl. To find the right fitment, please enter your vehicle’s year, make, model, sub-model, and engine type, and type the part's name in the search box. Once your application is selected, you’ll see a “Guaranteed to Fit” badge if the part will fit, and we recommend that you also double-check Your Vehicle Fit Details as well as the Vehicle Fitment Information table on the product page.

Hello! It shouldn't ever discharge coolant unless the pressure exceeds safe amounts, at which point the expansion tank cap will vent coolant to protect the rest of your cooling system.