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Heater / Blower Resistor - NRF - 342086

Heater / Blower Resistor - NRF - 342086

The NRF Interior Blower Resistor (Part Number: 342086) is a high-quality replacement component des...

Best current price£42.54from Autodoc

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AutodocNRF Resistor, interior blower PEUGEOT 342086 6441CQ,6441CQ
£8.45 delivery
£42.54
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eBayBlower resistor 342086 NRF for PEUGEOT 3008 I MPV 5008 5008 II
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£47.16
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Product Information

Full details

The NRF Interior Blower Resistor (342086) is designed for automotive technicians and DIY mechanics looking to restore precise climate control to their Peugeot or Citroën vehicle. This 12V component acts as the critical bridge for regulating cabin fan speeds, ensuring your heating and air conditioning system operates across all settings; however, note that it is vehicle-specific and requires verifying compatibility with the original equipment (OE) part number 6441CQ before installation.

All features

Model Part Number342086
BrandNRF

Extended Product Information

FAQs

What is the primary function of the NRF 342086?

It regulates the fan speed of your vehicle's heating and air conditioning system by varying the electrical resistance provided to the blower motor.

Is this part compatible with my car?

This unit is designed as a replacement for OE number 6441CQ. Check your vehicle's service manual or the part number on your existing resistor to confirm compatibility with your Peugeot or Citroën.

Can I install this myself?

Installation is generally straightforward for those comfortable with minor automotive repairs, though it requires access to the blower motor assembly which can be located in cramped quarters.

Why does my blower motor only work on speed 4?

If your fan works on high but not lower speeds, the internal thermal fuse or resistor tracks inside the unit have likely failed. Replacing the resistor will fix this.

Do I need any special tools for installation?

Usually, only a standard screwdriver or a socket wrench set is needed to access the resistor mounting screws.

Troubleshooting

Fan only works on the highest setting

This is a classic sign of a failed resistor board. Replacing with the NRF 342086 will restore lower speed functionality.

Fan does not run at all

Check the blower motor fuse first, then inspect the 5-pin connector on the resistor for signs of heat damage or melted plastic.

Connector won't click into place

Inspect the 5-pin port on the resistor for bent pins and ensure no debris is obstructing the harness connection.

Pros and Cons

Pros

  • Direct OE-replacement for part 6441CQ
  • Reliable 5-pin connection ensures steady airflow control
  • Supports multiple Peugeot and Citroën models
  • Essential for restoring full blower motor functionality

Cons

  • Compatibility limited strictly to specific Peugeot and Citroën models
  • Requires access to vehicle blower assembly which may be difficult in some models
  • Electrical diagnostics skills recommended for proper installation

Setup, Compatibility & Care

Before beginning installation, ensure the vehicle ignition is switched off and the battery is disconnected to prevent short circuits. Locate the blower motor housing—often found behind the glove box or in the driver-side footwell depending on the specific vehicle model. Disconnect the old 5-pin harness, remove the mounting screws, and swap in the NRF 342086 unit. Always verify the connector pins for corrosion before plugging in the new resistor. Use only in vehicles cross-referenced with OE part number 6441CQ. No routine maintenance is required once installed, but keep the area around the blower motor free of debris to prevent the resistor from overheating.

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