ACDelco GM Original Equipment Diesel Exhaust Fluid (DEF) Tank Vent Line is a GM-recommended replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This original equipment line will provide the same performance, durability, and service life you expect from General Motors.

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• GM-recommended replacement part for your GM vehicle's original factory component
• Offering the quality, reliability, and durability of GM OE
• Manufactured to GM OE specification for fit, form, and function