Description
Set of heater control rods and manual air conditioning for CITROËN C1 and PEUGEOT 107 up to 2014.
Description
This replacement set of heater control rods (control cables/linkage) is engineered for the Citroën C1 and Peugeot 107 with manual climate controls. Ideal for professional workshops and DIY mechanics, the kit restores precise temperature, airflow and mode control when the original linkage has worn, stretched or broken. Commonly searched by part numbers 6451SG, 6451SJ and 6451SH, this set fits the interior control assembly and interfaces directly with the HVAC unit and dashboard control levers.
Features
- Direct-fit replacement for manual heater and air conditioning controls.
- Includes control rods/cables matched to original routing and mounting points.
- Durable materials to resist wear and reduce play in control movement.
- Compatible with OEM part references 6451SG, 6451SJ, 6451SH for easier lookup.
Compatibility
Designed for:
- Citroën C1 (models up to 2014)
- Peugeot 107 (models up to 2014)
How It Works — Function
The heater control rods transfer mechanical movement from the dashboard control levers to the HVAC unit’s flaps, blend doors and mode selectors. When you move a temperature or distribution slider/knob, the rods translate that input into precise flap positioning, controlling cabin temperature, air distribution and recirculation in vehicles with manual climate control.
Signs Of Failure
- Control levers feel loose or have excessive play.
- Selected temperature or airflow setting does not change the vents correctly.
- Clicking noises or intermittent operation when moving controls.
- Visible broken plastic clips, corroded ends or frayed cables behind the dashboard.
Replacement Procedure
Typical replacement steps for a competent mechanic or experienced DIYer:
- Remove the necessary dashboard trim and control bezel to access the control levers and cable ends.
- Note the routing and positions of each rod/cable; photograph connections if needed to ensure correct reassembly.
- Unclip or unscrew the retaining clips/fasteners and detach the old rods from the control levers and HVAC unit.
- Fit the new rods in the same routing, secure clips and check for smooth, unobstructed movement through the full range.
- Reassemble the dashboard trim and test all controls for correct operation and full travel.
Recommended Installation
- Work With Ignition Off. Avoid operating interior electrical systems while disassembled.
- Document Original Positions. Photograph or mark original cable routing and lever positions before removal to prevent misassembly.
- Use Proper Tools. Small trim tools, pliers and screwdrivers reduce risk of damaging clips or trim panels.
- Check For Obstructions. Ensure new rods move freely and do not rub against sharp edges or insulation.
- Final Test. Verify all HVAC settings (temperature, mode, fan) operate smoothly across full range before completing reassembly.
Why This Part Commonly Fails
Control rods and cables are subject to mechanical wear, plastic clip fatigue and corrosion over time. Frequent use, harsh temperature cycles inside the dashboard and contamination from dust or moisture accelerate deterioration. Breakage typically occurs at plastic end fittings or where the cable flexes repeatedly, causing loss of precise control and increased play in the levers.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C1; Peugeot 107
- Product Codes: 6451SG, 6451SJ, 6451SH
- Additional Numbers: 6451SG | 6451SH | 6451SJ
Notes For Professionals
This part is aimed at garages and competent DIYers who are comfortable removing interior trim and working around HVAC components. Replacing the control rods typically restores original functionality without the need for HVAC unit replacement.







