Keystone TNKFG91D Fuel Sending Unit for 1971-1972 GM Mid-Size with 3/8" Outlet

The Keystone TNKFG91D is a direct-replacement fuel sending unit designed specifically for 1971-1972 GM mid-size vehicles. This critical fuel system component combines the fuel level sensor and fuel pickup assembly in one integrated unit, ensuring accurate fuel gauge readings while delivering fuel from the tank to the engine.

Key Features:

• Application-specific design for 1971-1972 GM mid-size platform vehicles
• 3/8-inch fuel outlet fitting for proper fuel flow capacity
• Integrated fuel return line connection for recirculating fuel systems
• Fuel level sender provides accurate gauge readings to dashboard instrument cluster
• Direct OEM replacement design for straightforward installation
• Durable construction engineered to resist corrosion from modern ethanol-blended fuels

This sending unit is essential for maintaining proper fuel delivery and accurate fuel level monitoring. The inclusion of a fuel return port makes it compatible with vehicles equipped with fuel return systems, which help regulate fuel pressure and prevent vapor lock. Keystone Automotive Operations manufactures quality replacement fuel system components designed to meet or exceed original equipment specifications.