Carter M73116 Direct Injection High Pressure Fuel Pump

Reliable Direct Injection High Pressure Fuel Pump for Buick and Chevrolet

The Carter M73116 Direct Injection High Pressure Fuel Pump is engineered for precise fuel delivery in select Buick and Chevrolet models. Designed as an external mechanical pump, it supports efficient gas fuel flow for vehicles like the Impala, Malibu, Malibu Limited, and Regal.

Key Features of Carter M73116 Fuel Pump

• Inlet outside diameter options: 0.375 inches and 9.7 mm for versatile connection
• Outlet outside diameter: 13.63 mm with M14-1.5 threaded outlet for secure fitting
• Constructed with durable steel housing in silver finish for corrosion resistance
• Mechanical pump type designed for direct injection systems using gasoline
• Square-shaped male connector with two spade terminals for reliable electrical connection
• Includes gasket or seal to ensure leak-free installation
• External mounting with bolt-type installation for straightforward replacement

Detailed Description of Carter M73116 Fuel Pump

This Carter direct injection high pressure fuel pump (part number M73116) is specifically designed for external mounting on compatible Buick and Chevrolet vehicles, including the Impala, Malibu, Malibu Limited, and Regal. The pump features a mechanical drive without an included drive shaft or wiring harness, focusing on compatibility with existing vehicle systems. Its steel housing provides durability and resistance to wear, while the silver finish helps prevent corrosion. The inlet and outlet diameters are optimized for secure fuel line connections, with the outlet featuring a threaded M14-1.5 fitting. The pump’s square male connector with two spade terminals ensures a stable electrical interface. A gasket or seal is included to maintain a tight, leak-free installation.

Common Applications and Issues Addressed

• Restores proper fuel pressure in direct injection systems for Buick Impala and Chevrolet Malibu models
• Resolves fuel delivery interruptions caused by worn or failing mechanical fuel pumps
• Eliminates fuel leaks with included gasket or seal
• Addresses engine performance issues related to inconsistent fuel supply
• Supports maintenance and repair of external fuel pump assemblies on compatible vehicles

Installation Notes and Tips

• Ensure compatibility with your vehicle’s make and model before installation
• Use appropriate tools for bolt-type mounting to secure the pump firmly
• Verify the inlet and outlet connections match your fuel lines, especially the M14-1.5 threaded outlet
• Check the electrical connector orientation; the pump uses a square male connector with two spade terminals
• Replace the gasket or seal during installation to prevent leaks

Quality Assurance and Warranty

Carter manufactures the M73116 fuel pump to meet industry standards for durability and performance. The steel housing and precise engineering contribute to reliable operation in direct injection fuel systems. While specific warranty details are not provided here, Carter products typically come with manufacturer-backed warranties to ensure customer confidence and product longevity.