Metelli PA1170 Engine Water Pump

Metelli PA1170 Engine Water Pump

Metelli PA1170 is a new engine water pump built for select Lexus applications, including GS350, GS450h, IS250, IS350, and GS300 coverage. It features an aluminium housing, metal impeller, and included gasket for a direct replacement focused on cooling system service.

Key Features

• New engine water pump for cooling system repair and maintenance
• Aluminium housing for durable fitment and corrosion resistance
• Metal impeller with 6 vanes for coolant circulation
• Ball/Ball bearing design with 30 mm bearing outside diameter
• Gasket included in the package contents
• Cross-references Airtex AW6143 for the same application

Detailed Product Overview

This Metelli water pump, part number PA1170, is engineered as a replacement component for Lexus cooling systems that require dependable coolant flow. The metal impeller measures 45 mm outside diameter and uses a 6-vane design to move coolant through the engine circuit, while the aluminium housing supports a precise installation. Metelli PA1170 is a practical choice for Lexus GS350, Lexus GS450h, Lexus IS250, Lexus IS350, and Lexus GS300 service work where the original pump has worn or begun to leak.

Compatible With: Fits 2007-2011 Lexus GS350, N/A; Fits 2013-2014 Lexus GS350, N/A; Fits 2007-2011 Lexus GS450h, N/A; Fits 2013-2014 Lexus GS450h, N/A; Fits 2006-2014 Lexus IS250, N/A; Fits 2006-2014 Lexus IS350, N/A; Fits 2006 Lexus GS300, N/A.

Common Problems This Part Addresses

• Coolant leakage from a worn water pump seal or housing
• Overheating caused by reduced coolant circulation
• Noise from a failing pump bearing
• Impeller wear that limits coolant movement
• Cooling system service needs during engine maintenance

Installation Notes and Tips

Replace the gasket during installation and verify all mating surfaces are clean before assembly. Inspect the cooling system for contamination, hose condition, and thermostat operation before returning the vehicle to service. This part is listed for N/A position applications and should be matched to the vehicle’s engine and cooling system configuration before installation.

Quality Assurance

Metelli supplies new replacement cooling components built to meet the demands of everyday engine service. PA1170 is constructed with an aluminium housing, metal impeller, and ball/bearing support design for consistent operation in the specified Lexus applications.