Airtex 4H1684 Ignition Lock Cylinder

The Airtex 4H1684 is a direct-fit replacement ignition lock cylinder designed to restore proper ignition switch operation. The ignition lock cylinder is the mechanical tumbler assembly into which the key is inserted to start the vehicle — when it wears out or becomes damaged, the key may not turn, may stick, or may fail to engage the ignition switch properly.

Key Features:

• Direct OEM-style replacement for a precise, hassle-free fit
• Precision-machined cylinder internals for smooth key insertion and rotation
• Durable construction engineered to meet or exceed original equipment specifications
• Restores proper ignition function, including start, run, accessory, and off positions
• Manufactured by Airtex Automotive Division, a trusted supplier of fuel system and electrical components

Airtex has been a leading name in the automotive replacement parts industry for decades, supplying components to both professional technicians and DIY enthusiasts. The 4H1684 ignition lock cylinder is built to deliver reliable, long-lasting performance as a true drop-in replacement.