Iveco Daily Heater Blower Motor Fan Resistor Control Module 500326616 99-14
Iveco Daily Heater Blower Motor Fan Resistor Control Module 500326616 99-14
Iveco Daily MK3 & MK4 Heater Blower Fan Motor Resistor Control Module
Up for sale is an original factory-spec heater blower motor resistor speed control unit engineered for Iveco Daily commercial vehicles. Sourced directly from a fully functional vehicle and thoroughly bench-tested by our qualified technicians to ensure correct resistance values across all speed channels, clean terminal contacts, and uncompromised thermal fuse protection prior to listing.
Part Specifications & Identification Details
| Parameter | Specification Details |
|---|---|
| Main Stamped Part Number (MPN) | 500326616 |
| Cross-Reference Part Numbers | 500326616 / 504096758 / 5040967580 / 500309831 |
| Fitting Location | Inside HVAC Air Duct Housing (Behind Dashboard / Glovebox Area near Blower Fan) |
| Material Composition | High-Thermal Plastic Base Plate, Heavy-Duty Coated Resistance Coils / Heat Sink, Copper Terminal Pins |
| Control Function | Regulates electrical current to the heater blower motor, enabling multi-speed fan selection (Speeds 1, 2, and 3) from the dashboard climate dial. |
Confirmed Fitment & Compatibility Chart
Verification Advice: Always check your original resistor unit for stamped part number 500326616 or 504096758 and inspect terminal connector pins before ordering.
| Make | Model | Body Style | Engine Variants | Fitment Years |
|---|---|---|---|---|
| Iveco | Daily MK3 (35S, 35C, 50C, 65C etc.) | Van, Chassis Cab, Minibus, Tipper | 2.3 HPi / HT, 2.8 D / TD / HDi, 3.0 HPi / HPT | 1999 - 2006 |
| Iveco | Daily MK4 (35S, 35C, 40C, 50C, 65C, 70C) | Van, Chassis Cab, Minibus, Tipper | 2.3 HPi / HPT, 3.0 HPi / HPT / CNG | 2006 - 2011 |
| Iveco | Daily MK5 (35S, 35C, 50C, 65C, 70C) | Van, Chassis Cab, Minibus, Tipper | 2.3 HPi, 3.0 HPi / HPT | 2011 - 2014 |
- Will NOT fit: Iveco Daily MK6 models (2014 onwards) which utilize digital automatic climate module controllers.
- Will NOT fit: Earlier Iveco Daily MK2 models (pre-1999) with 2-pin slider resistor units.
- Will NOT fit: Vehicles equipped with fully automatic electronic climate control systems unless exact MPN 500326616 is matched.
Why Choose Factory-Original Over Cheap Aftermarket Copies
- Thermal Fuse Calibration: Factory commercial-grade resistors feature exact thermal cut-off fuses designed to handle heavy continuous blower usage without premature burnout.
- Corrosion-Resistant Resistance Coils: Engineered to withstand moisture accumulation in the HVAC ducting without rusting or shorting out.
- Up to 70% Cost Savings: Enjoy authentic factory durability while saving up to 70% off main dealer commercial parts counter prices.
Symptoms of a Faulty Blower Resistor & Why Replacement is Critical
- Heater fan motor only works on maximum setting (Speed 4) and is completely dead on lower speeds (1, 2, and 3).
- Heater blower fan stopped working completely on all speed settings.
- Burnt plastic smell or smoke coming from the dashboard climate air vents.
- Blower motor operates intermittently or stutters when changing speed settings.
- Why Replace Promptly: A failed resistor prevents effective windscreen demisting, creating serious safety risks during cold or wet driving conditions in commercial vehicles.
Fitting Instructions, Required Tools & Repair Time
Step-by-Step Fitting Overview
- Turn off vehicle ignition and remove ignition key.
- Locate the blower motor resistor under the dashboard passenger side footwell / glovebox housing area.
- Unplug the main multi-pin electrical wiring connector from the resistor base (press release tab firmly).
- Unscrew the retaining bolts/screws holding the resistor module into the plastic HVAC duct.
- Carefully extract old resistor, slot the replacement unit into the duct, reinsert screws, and reconnect wiring plug.
- Turn key to ignition and test all heater fan speeds (1, 2, 3, 4) prior to reassembling lower dash covers.
Required Tools: Phillips Screwdriver / 7mm or 8mm Nut Driver, Plastic Trim Pry Tool.
Estimated Repair Time: 15 to 25 Minutes.
Estimated Garage Labor Cost Calculator
| Garage Hourly Rate (£/Hour) | Estimated Fitting Time | Estimated Garage Labor Total |
|---|---|---|
| £60 / hr (Local Independent Workshop) | 0.33 Hours | £20.00 |
| £90 / hr (Regional Average Rate) | 0.33 Hours | £30.00 |
| £130 / hr (Main Dealer / Specialist) | 0.33 Hours | £43.30 |
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