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Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: MAT12661059 Manufacturer Sku #: 12661059
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$724.65
2011 - 2016 Chevy Silverado 2500
2011 - 2016 Chevy Silverado 3500
2011 - 2016 GMC Sierra 2500
2011 - 2016 GMC Sierra 3500
Product Name: Merchant Automotive CP4 Fuel Injection Pump Manufacturer: Merchant Automotive Manufacturer Part #: 12661059 Thoroughbred Diesel Part #: MAT12661059 Fitment Notes: 2011-2016 GM Duramax LML
Merchant Automotive's CP4 Fuel Injection Pump for 2011-2016 GM Duramax LML diesels. OEM Replacement CP4 Pump. Replace if yours is broke.
Merchant Automotive CP4 Fuel Injection Pump Features:
CP4 pumps have an issue with the cam lobes. The cam lobes will wear out over time causing a catastrophic failure.
LML’s do not have lift pumps, the system is under vacuum. The cp4 draws its own fuel from the tank.