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Home >> Jeep >> 2007 >> Commander Base, 3.7 K, AWD >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System (Service Information) >> Ignition System - Service Information >> Specifications >> Spark Plugs

Spark Plugs

SPARK PLUG SPECIFICATION

ENGINE PLUG TYPE ELECTRODE GAP
3.7L ZFR6F - 11G (NGK) 1.1mm (0.042 in.)
4.7L RC12MCC4 1.01 mm (.040 in.)
5.7L Champion - RE14MCC4 1.14 mm (.045 in.)