Replace that leaking or noisy power steering pump in your GM 6.6L Duramax LB7/LLY/LBZ/LMM with the XDP Power Steering Pump New with Reservoir XD733. Made from all-new components, this pump delivers a reliable solution built for consistent performance. Whether you're towing to the job site, hauling heavy loads, or tackling rough terrain, you'll stay in control. Optimized Flow:The internal design has been optimized to keep fluid moving freely. This helps to reduce noise from cavitation, also making sure the system doesn't get starved of fluid. All-New Bearings:Unlike rebuilt pumps that reuse old bearings, which are one of the most failure-prone parts, these pumps use only new components to help ensure long-term reliability. Features: Direct-Fit ReplacementPre-Installed Reservoir For Ease and Time Saving InstallationEvery Component Is 100 percent Completely New, Not RemanufacturedOptimize Fluid Cavities Help Reduce Restriction Providing Increased FlowSpecifications: Type: HydraulicInlet Quantity: 2Outlet Quantity: 1Pulley Included: NoThread Diameter: 16Remote Reservoir: NoInlet Diameter: 0.375Hose Port Type: O-RingReservoir Included: YesHousing Material: Cast IronInlet Attachment Type: BarbReservoir Cap Included: YesOutlet Attachment Type: ThreadedPulley Attachment Type: Press On