Purple 7"x2.5"DIA Aluminum Round Breather Oil Catch Tank Can+Pressure Gauge 57-1220R-BLUE Hose Outside Diameter: 3 1/8"

Hose Outside Diameter: 3 1/8" (80mm)

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This product fits Jeep 2001-2004 Grand Cherokee WJ 4

Jeep 01-04 Grand Cherokee WJ 4

Purple 7"x2.5"DIA Aluminum Round Breather Oil Catch Tank Can+Pressure Gauge 57-1220R-BLUE Hose Outside Diameter: 3 1/8"An oil catch tank is used in turbo applications, or high performance racing applications where excessive blow by (leakage past the piston rings) of air and fuel vapor occurs. This creates a positive pressure in the crankcase. During engine operation, blow by gases, as well as oil mist from the rotating components of the engine, pass through the PCV valve and are routed back into the intake for the engine to burn off. However, some of the oil mist and