Walbro GSL392 255LPH External Fuel Pump

FITTINGS247 Walbro GSL392 255LPH E85 External Fuel Pump – High-Performance Inline Upgrade

The Walbro GSL392 255LPH External Fuel Pump is one of the most popular and reliable universal inline fuel pumps available. Engineered for performance, this high-pressure pump is ideal for vehicles with turbocharged, supercharged, or modified engines where higher fuel flow and pressure are required.

Key Features:

• High-Flow Performance: 255 liters per hour (LPH) high-pressure flow at 20A – supports high-performance and racing engines.
• External Inline Design: Compact and lightweight, fits most EFI applications, including turbo and supercharged setups.
• Durable Construction: All-metal shell with 10mm x 1mm threaded inlet and outlet for versatile fitting options.
• OE-Proven Second Generation: QS9000 certified, ensuring reliable performance and longevity.
• Universal Fit: Compatible with a wide range of EFI vehicles, making it a popular upgrade for replacing faulty inline pumps or enhancing fuel delivery.
• Includes Fittings: Two 3/8-inch hose-barb fittings included for easy installation.
• Made in USA: Trusted quality for professional and enthusiast applications.

Why Choose the Walbro GSL392:

• Perfect for upgrading EFI systems or replacing failing inline fuel pumps.
• Handles high fuel pressures efficiently, outperforming standard 255LPH pumps at the same PSI (e.g., 210L/hr vs 132L/hr at 80 PSI).
• Designed for E85 compatibility, turbo, and supercharged setups.
• Must be used with proper filtration: a 20-40 micron pre-filter before the pump and a 10-micron post-filter for optimal performance.

Specifications:

• Flow Rate: 255 LPH High Pressure
• Voltage/Current: 20A
• Max Engine Support: Up to 670HP NA
• Fuel Type: Gas / E85 Compatible
• Inlet/Outlet: 10mm x 1mm threaded, all-metal construction
• Part Number: GSL392
• Certification: QS9000

Upgrade your fuel system today with the Walbro GSL392 255LPH E85 External Fuel Pump – available now at FITTINGS247, your trusted source for high-performance fuel delivery solutions.