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Chevrolet GMC Duramax LML CP4 to CP3 Conversion 2011-2016 ( Kit )
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CP4 Blows — Smart Choices, Real Work These CP4 pumps have a nasty habit of grenading and spraying metal everywhere in the fuel system. When that happens it can turn into a $15,000 nightmare to replace injectors, rails, and clean the tank. We tell it straight: prevention is worth a lot, and cleanup is expensive. You’ve got two paths — the full DCR conversion is the correct long-term fix but it’s extensive and pricey. The practical alternative is the de-stall prevention kit, which is much cheaper
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Shop Improved CP4

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$1,650.00
2011-2016 LML Duramax Exergy Improved Stock CP4.2 Pump - E04 10504
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$1,650.00
2011-2016 LML Duramax Exergy Improved Stock CP4.2 Pump - E04 10504
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