Not sure which 1997 GMC Sonoma Thermostats are right for you? We have over 14 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"The Hypertech thermostat did exactly what I wanted it to do, cool down my vortech engine. What more could I ask for?" —Keith M from San Jose, CA bought a Hypertech Power Stat Thermostat for a 1997 GMC Sonoma, 4.3L V6.