[Vehicle Fitment] This power steering pump is compatible with 2003-2004 2007-2008 Corolla, 2005-2006 Corolla 1.8L, 2003 2004 2005 2006 Matrix 1.8L, 2003-2006 Vibe 1.8L, 2007-2008 Matrix, 2007-2008 Vibe,[OE Number] 21-5345、965345、4431002101、88970127、4431004100, Condition: Brand New (Not Remanufactured); Pulley Included: Yes, Reservoir Included: No, Inlet Attachement Type:Hose Barb, Outlet Attachment Type: Threaded, Pulley attachment types: Press-on, Outlet inner diameter size: 16X1.5,[Durable and Leak-proof] Corolla power steering pump is crafted from premium aluminum alloy and wear-resistant components, offering exceptional strength, corrosion resistance, and an extended service life. Precision-machined seals and a reinforced pump housing help prevent fluid leaks and maintain stable hydraulic pressure. Designed to meet or exceed original equipment manufacturer (OEM) standards, it delivers responsive, reliable steering performance for a smooth and precise driving experience,[Customer Support] We promise a two-year quality guarantee and comprehensive after-sales support. Please contact us at any time. Regarding noise: ① Check if the suction pipe resistance is too high. ② Check if the safety valve pressure setting is too high. ③ Ensure all air is expelled from the pump and check for leaks to prevent air from entering. Regarding leakage: ① Check for damage to the pipeline. ② Tighten the steering pump mounting bolts. ③ Check the filter and ensure the oil path is clear,[Installation Tips] ① Before installing the new pump, thoroughly flush the entire power steering system. ② Be sure to replace the old seals on the high-pressure oil pipe and return oil pipe. ③ Do not overtighten the mounting bolts. ④ When replacing the power steering pump, completely drain the old oil and add the power steering fluid recommended by the manufacturer. ⑤ Start the engine and turn the steering wheel left and right several times to fully expel air from the steering system