Find GMC Sierra 2500HD Pickup Heater Motor Replacement Cost. Get GMC Sierra 2500HD Pickup Blower Motor Resistor & GMC Sierra 2500HD Pickup Blower Motors. Maintaining the blower motor in your GMC Sierra 2500HD Pickup is vital for ensuring a comfortable cabin environment. To extend the lifespan, replace the cabin air filter regularly and listen for unusual noises that might signal a failing motor. When the time comes for a replacement, choose a motor that matches the exceptional performance and durability of your Sierra 2500HD. Opt for a high-grade, OEM-equivalent or better unit to ensure compatibility and longevity. During installation, ensure all connections are secure and the motor is properly seated to avoid future issues. With the right blower motor, your GMC's Hvac system will operate seamlessly, enhancing your vehicle's functionality and your online shopping experience.