Locking Gas Cap With Key For Fuel Tank MGC791 For Toyota 4Runner Yaris For Lexus

Locking Gas Cap With Key for Toyota and Lexus

This Locking Gas Cap With Key for Toyota and Lexus seals the fuel tank filler neck to prevent evaporative leaks and fuel theft, referencing part number MGC791.

Overview

This Locking Gas Cap With Key for Toyota and Lexus provides added security for your vehicle fuel system by preventing fuel theft and tampering. Replacing a worn-out unit with this Locking Gas Cap With Key for Toyota and Lexus resolves check engine lights caused by evaporative emission leaks. It is designed for daily drivers seeking peace of mind and secure fuel storage.

Built For Performance

• Includes keys to secure the locking mechanism against unauthorized access
• High-quality rubber gasket ensures a tight seal to prevent vapor loss
• Tough outer shell resists fuel degradation and harsh weather conditions
• Designed to meet evaporative emission standards to keep warning lights off

Fits These Machines

• for Toyota 4Runner
• for Toyota Yaris
• for Lexus models

On-The-Job Use

• Preventing fuel siphoning and tank contamination in public parking areas
• Replacing lost or failed OEM gas caps during routine inspections
• Resolving vapor leak trouble codes during vehicle emission tests

Specs At A Glance

Good To Know

Q: Does this locking gas cap require the key to lock? A: Yes, the key is typically required to both lock and unlock the cap securely.

Q: Why does a bad gas cap trigger the check engine light? A: A loose or damaged cap allows fuel vapors to escape, which is detected by the vehicle EVAP system as a leak.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.