GMB 525-8590 Mechanical Fuel Pump

GMB 525-8590 Mechanical Fuel Pump

The GMB 525-8590 is a mechanical fuel pump built to meet or exceed OEM specifications for dependable fuel delivery. It is an OEM standard replacement for classic Ford Pinto and Mercury Bobcat applications, including 1975-1979 Ford Pinto and 1975-1979 Mercury Bobcat models.

Key Features

• Mechanical fuel pump for air and fuel delivery systems
• OEM Standard item grade for factory-style replacement
• Manufactured to meet or exceed OEM specifications
• No gasket required
• Strainer not required
• Part number: 525-8590

Detailed Description

This GMB fuel pump is intended for drivers restoring or maintaining carbureted fuel systems on classic Ford Pinto and Mercury Bobcat vehicles. The 525-8590 follows OEM-standard requirements and is built for direct replacement use where a mechanical fuel pump is specified. This part cross-references Airtex Fuel Pumps 1081 for the same application.

What It Helps Address

• Hard starting caused by weak fuel delivery
• Fuel starvation under normal engine operation
• Inconsistent fuel pressure from a worn mechanical pump
• Stalling related to inadequate pump output
• Restoration needs for 1975-1979 Ford Pinto and Mercury Bobcat fuel systems

Installation Notes and Tips

Verify the engine’s original mechanical pump application before installation. Because no gasket is required and a strainer is not required, confirm the mounting surface and fuel line connections are clean and in good condition. Always inspect the fuel system for contamination, leaks, and worn hoses when replacing a mechanical fuel pump.

Quality Assurance

GMB manufactures this pump to meet or exceed OEM specifications, with OEM Standard grading for consistent replacement quality. The 525-8590 is built for confirmed fitment on 1975-1979 Ford Pinto and 1975-1979 Mercury Bobcat applications.