0008221103 | Bosch/Mercedes-Benz Blower Motor Speed Control Module (W123/W107/W126)

Bosch/Mercedes-Benz · PLCs & Industrial Controllers

Description  The Mercedes-Benz 0008221103 is a blower motor speed-control module used in the HVAC system of classic Mercedes vehicles. It regulates the fan motor speed to ensure proper airflow inside the cabin. The 0008221103 module delivers stable blower performance and restores full climate-control functionality when the original unit fails.     Technical Specifications  Condition New/Never Used Surplus Brand Bosch / Mercedes-Benz Category Motors/GearBox/Clutch Part Number 0008221103 Subcategory Motor Control Module Module Type Blower Motor Speed Control Voltage 12 V DC Vehicle Compatibility Mercedes W123, W107, W126 Function Multi-speed blower regulation Circuit Type Solid-state electronic controller Mounting Direct OEM fit Application HVAC blower motor control Construction Heat-resistant electronic module Operating Environment Automotive HVAC housing Weight 8.00 lbs     Information About 0008221103 The 0008221103 is an electronic blower motor regulator commonly installed in Mercedes W123, W107, and W126 chassis vehicles. It controls multiple blower speeds through an electronic circuit rather than a traditional resistor assembly, providing more consistent operation. This module is mounted within the HVAC system near the blower housing and integrates directly with the vehicle’s wiring harness. It is engineered to maintain reliable airflow, support comfortable cabin temperatures, and ensure dependable HVAC performance in older Mercedes models. Key Features: OEM compatibility: Matches Mercedes part 0008221103 and Bosch production standards. Electronic blower speed control: Provides multi-level fan speed regulation. Direct replacement design: Fits original mounting points in compatible Mercedes models. Solid-state circuitry: Offers improved reliability over resistor-based controls. Restores HVAC operation: Corrects issues such as non-functional blower, single-speed operation, or erratic fan behavior. Heat-resistant construction: Designed to operate within the HVAC plenum’s elevated temperatures. Stable airflow performance: Maintains consistent blower output for effective heating and cooling. Durability for classic vehicles: Long-service design ideal for maintaining vintage Mercedes systems. 12-volt automotive compatibility: Built for standard Mercedes electrical systems of the era. The 0008221103 delivers the reliability and precision required for proper blower motor speed control in classic Mercedes HVAC systems.

Brand: Bosch/Mercedes-Benz · Category: PLCs & Industrial Controllers

Key features

• OEM compatibility: Matches Mercedes part 0008221103 and Bosch production standards.
• Electronic blower speed control: Provides multi-level fan speed regulation.
• Direct replacement design: Fits original mounting points in compatible Mercedes models.
• Solid-state circuitry: Offers improved reliability over resistor-based controls.
• Restores HVAC operation: Corrects issues such as non-functional blower, single-speed operation, or erratic fan behavior.
• Heat-resistant construction: Designed to operate within the HVAC plenum’s elevated temperatures.
• Stable airflow performance: Maintains consistent blower output for effective heating and cooling.
• Durability for classic vehicles: Long-service design ideal for maintaining vintage Mercedes systems.
• 12-volt automotive compatibility: Built for standard Mercedes electrical systems of the era.

Specifications

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