WVE BY NTK. Electric Fuel Pump Inertia Switch. Warranty Duration. WE'RE CONFIDENT YOU'LL SOON MAKE US YOUR FIRST CHOICE FOR ALL YOUR AUTO PARTS NEEDS. Part Numbers. AUTOZONE/DURALAST-WELLS, CARQUEST PREMIUM VEHICLE SOLUTIONS, NAPA CANADA/IGNITION AND CARB - UIN, NAPA/ECHLIN PARTS-ECH, WELLS.