DNJ has a 30+ year track record of quality, experience, and trust. If you're dealing with an oil pump issue on that 2002-2012 GM vehicle with the 2.8L to 4.2L inline-6 engine, this DNJ OPK3138 kit has everything you need to get it sorted Engine Oil Pump Repair Kit CNC Fabrication 424013 High Pressure Oil Pump (HPOP) Line O-Ring Kit | XDP 2.8L 4.2L Oil Pump DNJ Engine Components OPK3138 - Engine Oil Pump Repair Kit For Sale Chevrolet GMC Oil Pump DNJ Engine Components is a full line provider of Domestic & Japanese engine parts for cars and trucks. DNJ Oil Pump OP641 FITMENT NOTES: LLR, LLV, LL8, w/ Updated 2nd Design Front Cover, Must Use w/ Updated 2nd Design Oil Pick Up, LK5 THIS IS BRAND NEW: DNJ® Oil Pump