This plug is used for turbo 3800 and LS builds that use their oil level sensor hole for the oil drain line. Once the stock sensor is unplugged you will get an oil level light. This delete plug snaps right into the stock harness and will make sure your dash is free from oil level lights.
Fits W-body 3800 cars, H-body 3800 cars, and older style LS builds. Please inspect your stock plug and harness and compare to our plug, before purchasing, if you are unsure on fitment.