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Unfortunately, this product is discontinued in your selected store and nearby stores.
You may be interested in these similar products shown below.OEM Block Tester Test Fluid features fluid that turns yellow when exhaust gases are present
For use with OEM Block Tester (sold separately)
For use on gasoline engines only, not recommended for diesel
Size: 16 oz bottle
Manufacturer Part #44739
Note: Please inquire with your local store to purchase a new unit by Special Order as this item may only be stocked as a Load-A-Tool item in used condition.