| GMC Duramax 6.6 Oil Pump Pro Adjustable Relief Pressure Schumann GMCDURAMAX | | Part No. | scm70314 | Manufacturer | Schumann Oil Pumps | Car Make | GMC | Component | Oil Pumps, Duramax Oil Pump | | GMC 6.6L Duramax Diesel 2001 and up high performance oil pump Pro Series Cast Housing; Nine internal machining modifications; Selectable relief pressure Schumann part number GMCDURAMAX | Click the 'Add to Cart' button above to place this item in your shopping cart - you will not be charged by doing this. Quantities can be changed by clicking 'view cart' at the top of any page. | | | | | |