Thread: Looking @ GMC diesel trucks
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Old 08-24-2016, 11:55 AM   #3
Philip Saran
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Location: Parker, CO.
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Default Re: Looking @ GMC diesel trucks
What years is the DEF systems used?

OK let me reword this...What is the DEF system??
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Phil Saran
Parker, Colorado
Last edited by Philip Saran; 08-25-2016 at 07:04 PM.
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