Denso Interior Blower Resistor - DRS21006
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Product Information
Full details
The Denso Interior Blower Resistor (DRS21006) is a vital replacement component designed for owners of specific Citroen and Peugeot vehicles who are experiencing erratic or failed heater blower motor speeds. This high-quality resistor restores full control over your cabin climate settings, ensuring reliable heating and cooling performance. While it is engineered to meet strict OEM standards, it is essential to verify your vehicle's specific compatibility via the provided OEM reference numbers before installation to ensure a correct fit.
All features
| Model Part Number | DRS21006 |
|---|---|
| Brand | Denso |
Extended Product Information
FAQs
How do I know if this part fits my car?
Compare the OEM part numbers 9654652480 and 6441W9 with your current unit or your vehicle's service manual.
Is the installation process difficult?
It is a moderate task that typically involves removing interior trim panels to access the blower motor area. If you are uncomfortable working with vehicle electronics, professional installation is recommended.
Can I use this on a non-Citroen or Peugeot vehicle?
No, this part is specifically engineered for compatible Citroen and Peugeot models and should not be used in vehicles not listed in the compatibility guide.
What tools are required for installation?
A basic set of screwdrivers or trim removal tools is usually sufficient to access the resistor housing.
Does this resistor come with a wiring harness?
No, the package contains the resistor unit only. If your existing connector is melted or corroded, you may need to source a replacement harness separately.
Troubleshooting
Blower fan only works on the highest setting
This is a classic symptom of a failed resistor. Replace the unit with the Denso DRS21006 to restore all speed settings.
Blower motor does not turn on at all
Check the fuse for the blower motor circuit first. If the fuse is intact, the resistor or the blower motor itself may have failed.
Fan speed varies inconsistently
Inspect the wiring harness connection at the resistor for signs of corrosion or melting, as high heat can damage the connector plug over time.
Pros and Cons
Pros
- Matches strict OEM specifications for reliable operation
- Restores full range of blower motor speeds
- High-quality manufacturing ensures long-term durability
- Direct replacement for part numbers 9654652480 and 6441W9
Cons
- Requires technical knowledge for proper installation
- Compatible only with specific Citroen and Peugeot models
- Not a universal fit for all vehicle makes
Setup, Compatibility & Care
Before starting the installation, ensure you have disconnected the negative terminal of the vehicle's battery to prevent electrical shorts. Accessing the resistor usually requires removing paneling near the glovebox or passenger footwell, depending on the specific model layout. Always cross-reference the OEM numbers 9654652480 or 6441W9 with your vehicle's service manual to confirm compatibility. When handling, avoid touching the electrical contacts with greasy fingers to maintain optimal conductivity. No specialized cleaning is required for the unit itself; keeping the surrounding air intake free of debris and replacing the cabin air filter regularly will help extend the lifespan of the new resistor by preventing motor strain.