Aluminum Fuel Pump Adapter Fitting 5/16 3/8 Inch For Walbro

Connecting universal electric fuel pumps to standard aftermarket lines has never required custom fabrication. This CNC-machined billet adapter bridges the gap seamlessly, converting the M14×1.5 female port found on most Walbro-style units into a secure 5/16‑inch or 3/8‑inch outlet. By preserving a straight fluid pathway and eliminating the need to cut or drill pump housings, this fitting simplifies engine swaps, track builds, and routine fuel system upgrades while maintaining consistent pressure and flow characteristics.

Benefits & Practical Tips

• Apply a fuel-rated anti-seize or PTFE thread paste to the M14×1.5 threads before mounting to protect against galvanic corrosion and simplify future removal.
• Match hose inner diameter precisely to the adapter’s outlet; oversized clamping surfaces reduce effective flow area and introduce unnecessary restriction.
• Store the unused size in your toolkit—these adapters are fully reversible and retain their sealing geometry across multiple installations.

Technical Specifications

• Base Alloy: 6061‑T6 billet aluminum
• Surface Finish: Black anodized treatment
• Inlet Configuration: M14×1.5 female thread
• Hose Mount: 5/16‑inch or 3/8‑inch output
• Chemical Resistance: Fully compatible with E85, gasoline, and diesel environments
• Machining Standard: Computer-controlled routing for repeatable thread pitch

Package includes:

1x Aluminum Fuel Pump Adapter Fitting

Safety & Usage Reminders

Always verify every junction for seeping before initial startup. Use only SAE J30R7 or higher rated fuel tubing, and maintain clearances from hot exhaust manifolds and rotating driveshaft assemblies. If your pump exceeds standard operating pressures, confirm that hose ratings meet or surpass the system’s maximum PSI threshold.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

Reliable parts and dependable service since 2002 — shipped with care from intercyprus.com.