OEM PCM Spark Plug Wire Set For 6.0L - Catalyst Engines
PCM OEM PART RK120021B for CAT Engines
6.0L Catalyst Spark Plug Wire Set
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FOR 6.0L ENGINES WITH CATALYTIC CONVERTERS (CES)
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If 6.0L motor is ZR409-LY6 2009 & Up, Use Item# RK120022
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If 6.0L motor is ZR409 2008 & Older, Use Item# RK120021A