Gates 43107 Engine Water Pump

Gates 43107 Water Pump for Classic GM Cooling Systems

The Gates 43107 engine water pump is a standard replacement for select Buick, Chevrolet, GMC, Oldsmobile, and Pontiac applications from 1971-1985. Built with a cast iron housing and stamped steel impeller, it is engineered for dependable coolant circulation in vehicles that use an accessory belt drive.

Gates Water Pump (Standard) components are built with premium alloy materials and tested for seal, bearing, and leakage performance before release. This makes the 43107 a practical OE-quality replacement for classic GM cars and trucks, including Buick LeSabre, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix applications.

Key Features

• Cast iron housing for durable cooling-system service
• Stamped steel impeller with standard rotation
• Accessory belt drive style
• Three outlet configuration
• Includes water pump, gasket, clip, and rubber cap
• No back housing, thermostat housing, fan clutch, or pulley included
• Not timing belt driven

Product Details

The Gates 43107 is a standard engine water pump built for direct replacement use in a wide range of GM rear-wheel-drive and full-size platforms. It is listed for many 1971-1985 Buick, Oldsmobile, Chevrolet, GMC, and Pontiac models, with fitment notes that exclude certain air-conditioned vehicles. Confirm the exact engine and accessory layout before ordering, especially on Buick Riviera, Oldsmobile 98, Chevrolet Caprice, and Pontiac Bonneville applications.

This part cross-references Airtex AW1100 and Dayco DP1071 for the same application.

What It Helps Fix

• Coolant circulation problems caused by a worn pump
• Leaks from failed seals or casting surfaces
• Bearing noise from a deteriorated pump assembly
• Overheating linked to reduced coolant flow
• Service issues on older GM cooling systems with accessory belt drive

Installation Notes

• Verify vehicle fitment by year, make, model, and air-conditioning configuration before installation.
• Use the included gasket and inspect mating surfaces for corrosion or residue.
• Check belt alignment and pulley condition during replacement.
• Flush the cooling system if contamination or scale is present.
• Prime and refill the system with the correct coolant mixture after installation.

Quality Assurance

Gates manufactures this water pump with functional testing of seals and bearings, plus leakage testing of the casting and assembled unit. The result is a replacement water pump built to OE-quality fit standards for classic Buick, Chevrolet, GMC, Oldsmobile, and Pontiac cooling-system service.