ACDelco 15-74347 HVAC Heater Blend Door Actuator
for 2018 GMC Sierra 3500 HD

Description:

Features and Benefits:

• GM-recommended replacement part for your GM vehicle's original factory component
• Manufactured to GM OE specification for fit, form, and function
• Offering the quality, reliability, and durability of GM OE
• Restore HVAC temperature control caused by worn actuator

Specifications:

Features and Benefits:

• – Inadequate cooling or heating temperatures when using the air conditioning or heating system
• – Musty smell when the air conditioning or heating system is activated
• – Steam coming from the engine compartment
• – The vehicle's temperature gauge indicates a 'red' condition
• – Unusual smells inside or outside the vehicle
• Your A/C system requires proper air flow to operate effectively. Poor air flow across the condenser will impact system performance and can increase refrigerant system pressure. Make sure air flow into your system is not obstructed by bugs, leaves, dirt, or other contaminates in between tune ups.
• Your vehicle's air conditioning (A/C) system should be routinely checked by a professional technician. This should occur approximately every 12 months, though you should check your owner's manual for more specific recommendations. Any related maintenance should be handled only by professionals. If you notice any of the following conditions, have your vehicle checked right away:

Specifications: