4-Pin Blower Motor Resistor Wire Harness Connector – OEM A2205458128 / 0375451028 / 0375450828

A direct-fit OEM-specification 4-pin connector for blower motor resistor wiring harnesses. Matching OEM part numbers A2205458128 (A 220 545 81 28), 0375451028, and 0375450828, this connector provides a factory-quality electrical connection for HVAC blower motor resistor repairs across compatible vehicle applications.

OEM Part Numbers

• A2205458128 (A 220 545 81 28)
• 0375451028
• 0375450828

Key Specifications

• Pin Count: 4-pin
• Application: Blower motor resistor wiring harness – HVAC / climate control system
• Gender: Male or Female (select above)
• Lead Options: Bare connector or pre-wired lead (select above)
• Fit Type: Direct OEM replacement

Why Blower Resistor Connectors Fail

The blower motor resistor connector is exposed to high current loads and heat cycling as it controls fan speed. Over time, the terminals overheat, corrode, or melt the housing — causing:

• Blower fan stuck on one speed (usually high only)
• No blower fan operation at all
• Intermittent fan speed control
• Burnt or melted connector housing visible on inspection

Features & Benefits

• OEM-matched 4-pin layout: Precise pin configuration matches factory blower resistor harness connectors
• Heat-resistant housing: Engineered to withstand the elevated temperatures generated by blower resistor circuits
• Direct replacement: Plug-and-play fit with no modification to existing wiring
• Male and female options: Select the gender required for your specific repair
• Pre-wired lead option: Simplifies harness repair where the existing wire is heat-damaged

Frequently Asked Questions

Q: Which vehicles use OEM A2205458128?
A: Cross-reference OEM part numbers A2205458128, 0375451028, or 0375450828 against your vehicle’s parts catalog or wiring diagram to confirm fitment.

Q: Should I replace the resistor and connector together?
A: Yes. If the connector shows heat damage or melting, the resistor is likely also damaged. Replacing both together prevents repeat failure.

Package Contents

1× 4-pin blower motor resistor wire harness connector (male or female, bare or pre-wired lead – select above)