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Jeep
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2008
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Commander Overland, RWD
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Repair and Diagnosis
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Engine Performance
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Ignition System
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Ignition System (Service Information)
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Ignition System - Service Information
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Specifications
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Spark Plugs
Spark Plugs
ENGINE
PLUG TYPE
ELECTRODE GAP
3.7L V-6
ZFR6F - 11G (NGK)
1.1mm (0.043 in.)
4.7L V-8 (Intake/Upper Row)
FR8TE2
1.0 mm (.040 in.)
4.7L V-8 (Exhaust/Lower Row)
FR8T1332 (Iridium tip)
1.2mm (0.50 in.)
5.7L V-8
REC14MCC4
1.0 mm (.040 in.)
6.1L V-8
PLZTR5A-13
1.0 mm (.040 in.)