The filter bowl can Collect impurities and moisture in diesel fuel. If you don’t separate out the water and moisture in one independent place or when the bowl is full of water and moisture, you don’t open the drain valve to to drain the water in time.The water and moisture will go back into the filter or engine.
Advanced polyurethane, TPU
Cross Reference For 343-5527
CAT:343-5527 270-5320 3435527 2705320