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The Omix oxygen sensor for 1987–1990 Cherokee XJ models with the 4.0L engine installs before the catalytic converter as a direct-fit OE-style replacement. Made to meet factory fit and function, this pre-cat sensor replaces OE 53004245 and is intended to restore proper O2 sensing for fuel control and emissions on classic Cherokee applications, and it carries a limited five-year warranty.
Omix Oxygen Sensor 4.0L 87-90 Jeep Cherokee (XJ)
