No matter the condition of your 2009 STS, OPGI has the Electrical & Electrical Testing Tools products you need to boost performance and get you back on the road. We currently carry seven Electrical & Electrical Testing Tools items to choose from for your 2009 STS, and our Price Match Guaranteed prices range from as little as $13.99 up to $209.99. OPGI offers American Autowire plus three other trusted brands of Electrical & Electrical Testing Tools products for your 2009 STS, to help you find quality parts you can rely on. With OPGI's 45-day return policy, you can shop with the utmost confidence. Enjoy parts delivered directly to your home, or visit our sunny Southern California Showroom & Warehouse to check out our Electrical & Electrical Testing Tools items in person.