Description
This is the base plate that your heater valve (out door faucet look a like) threads into. Over the years the brass from the heater valve can split this base or the threads can become loose from vibration and you get a small leak that you can't find the source. Replace your base and keep the cooling inside your engine where it is suppose to be. Don't forget the sealing fiber washer to seal the valve part number AAA836. Cross Reference 360-415
