Holstein 2BMR0037K HVAC Blower Motor Resistor - Front

HVAC Blower Motor Resistor for GM Trucks and SUVs

Restore proper cabin fan control with the Holstein Parts 2BMR0037K HVAC blower motor resistor. This kit with connector is built for a wide range of Chevrolet, GMC, and Cadillac applications, including Silverado, Sierra, Tahoe, Yukon, and Escalade models from 1999-2007.

Holstein Parts 2BMR0037K is a direct-fit replacement for vehicles that need reliable blower speed operation and a secure electrical connection. It cross-references OE-style part numbers 973405 and 22807123 for the same application.

Key Features

• HVAC blower motor resistor for cabin fan speed control
• Kit with connector noted in fitment data
• Fits a broad range of Chevrolet Silverado and GMC Sierra applications
• Also fits Cadillac Escalade, Chevrolet Tahoe, Suburban, Avalanche, and GMC Yukon models
• Part number: 2BMR0037K

Detailed Fitment Coverage

Compatible with 1999-2007 Chevrolet Silverado 1500, 2001-2007 Chevrolet Silverado 2500, 2001-2007 Chevrolet Silverado 2500 HD, 2002-2007 Chevrolet Silverado 3500, 1999-2007 GMC Sierra 1500, and 2001-2007 GMC Sierra 2500 HD. It also fits 2000-2006 Chevrolet Tahoe, 2000-2006 GMC Yukon, and 2000-2006 GMC Yukon XL 1500, along with additional Silverado, Sierra, Suburban, Avalanche, and Escalade applications listed in the fitment data.

Common Problems This Part Addresses

• Blower motor works on only one speed
• Intermittent or inconsistent fan operation
• No cabin airflow from the HVAC system
• Overheated or failed blower resistor circuit
• Electrical connector damage at the resistor connection

Installation Notes and Tips

Verify the connector style and vehicle application before installation. This part number, 2BMR0037K, is listed for front and N/A positions depending on the vehicle, so match the exact fitment row for your Chevrolet Silverado, GMC Sierra, or Cadillac Escalade. Inspect the blower motor connector and surrounding HVAC wiring for heat damage before replacing the resistor.

Quality Assurance

Holstein Parts supplies this HVAC blower motor resistor as a fitment-specific replacement for the listed GM trucks and SUVs. Use the confirmed vehicle coverage to match the correct application before installation.