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Car air conditioning parts

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Air conditioning for your car: find out more! Which ones to choose, when to change them, and how much they cost

An air conditioning system is used to cool the air inside a car. It ensures comfort inside the vehicle regardless of the ambient temperature.

Design of an air conditioning system

A vehicular air conditioner is made in the form of an air-tight system, in which refrigerant circulates. This is a substance that generates heat when compressed into a liquid state and absorbs it when expanding into a gaseous one. Refrigerant is pressurised by a compressor. It is driven either by the engine crankshaft, an electromagnetic clutch, or its own electric motor.

After activating the air conditioner, the compressor compresses the refrigerant, resulting in it being heated to 80-90 °C. After that, it is directed to the condenser, where counter-current air flows or a fan blow on it. These temperature fluctuations cause the condensation process to take place and the refrigerant passes through the receiver-drier as it’s turning into liquid, where dirt and moisture are eliminated from it. After that, the cooling agent passes through the thermostatic control valve and enters the low-pressure pipeline and then the evaporator, cooling down while entering a gaseous state. In front of the evaporator, is a fan that spreads the cooled air across the cabin. After that, the refrigerant returns to the compressor.

Sensors and control units control the operation of all these components.

Maintenance tips

  • Keep the engine compartment clean. Clean dust, dirt, and debris from the condenser from time to time. Remove any accumulated salt deposits from it.
  • Make sure that the tubes are securely fastened. If you notice that they’re loose, tighten the fasteners.
  • Perform maintenance the air conditioner on a regular basis. Do not ignore the recommendations for topping off the refrigerant: It tends to evaporate through the pores of the hoses, so over time the amount of cooling agent in the air conditioning system decreases.
  • Switch the system on in winter as a preventive measure. This will allow for lubricating its internal components, protecting them from corrosion and drying out. The unit running for about 15 minutes is sufficient. However, note that the procedure should be carried out in a warm room such as a garage, covered parking space, etc.
  • Try to clean the evaporator and replace the cabin filter twice a year.
  • If the car has been left in the sun for a long time in hot weather, air it out before turning on the air conditioning. This will reduce the load on the compressor and minimise the risk of getting ill.
  • Do not refill the air conditioning system yourself. Without suitable tools, you will not be able to control the pressure in the system. Excess refrigerant is very dangerous because it can cause hydraulic shock and the destruction of the compressor.
  • When the system is on, close the windows. If warm air from the street constantly gets into the car, all components of the air conditioning system will wear out prematurely.

Malfunction symptoms

Noises and humming coming from the compressor whenever the air conditioner is on or off indicate that the pulley bearing has worn out. However, if the noise appears only when the engine is running, the compressor itself is likely to be faulty. The compressor has to be replaced. A reduced cooling efficiency, as well as white foam in the inspection window, (if there is any), indicate that the system is leaking. If a condenser is contaminated, the system may shut down on its own. The same problem occurs when the thermostatic control valve is clogged. Simultaneously, evaporator tubes may get covered with ice accompanied by interruptions in the cold air supply. Similar problems can be observed when the pressure sensor is defective.

Malfunction causes

Deterioration of the compressor and other elements is most often caused by a lack of lubricant, which can be explained by a low level of refrigerant or by the system being out of use for a long time. Therefore, the air conditioner should be switched on at least once a week. Corrosion that damages the radiator and heater can be caused by a filter-drier failure, if, for example, it has not been replaced during depressurisation of the system.

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-51%
Air conditioning compressor MAHLE ORIGINAL ACP 85 000S car Air conditioner parts cost
Parts Details
  • Manufacturer Restriction: MAHLE / Delphi
  • Compressor ID: V5
  • Compressor Oil: PAG 150
  • Belt Pulley Ø [mm]: 126
  • Number of ribs: 6
  • Refrigerant: R134a
  • Voltage [V]: 12
  • Pulleys: with V-ribbed belt pulley
  • Supplementary Article / Supplementary Info Info 2: with seal ring
  • Connector type: Top / PAD
  • Packaging height [cm]: 21,00
  • Packaging length [cm]: 18,5
  • Packaging width [cm]: 27,50
  • Number of grooves: 6
  • Net Weight [g]: 6611
  • MAHLE ORIGINAL: Air conditioning compressor
  • Item number: ACP 85 000S
  • Our price: £ 172,83
  • Condition: New
Details
MAHLE ORIGINAL 8FK 351 102-011 Air conditioning compressor V5, 12V, PAG 150, R134a, with seal ring
Article number: ACP 85 000S
compared to RRP £ 356,03

£ 172,83
price incl. 20% VAT, free delivery
Blower motor resistor DENSO DRS21008 car Air conditioning parts cost
Reviews - 13
Parts Details
  • for OE number: 1609171180
  • Weight [g]: 160
  • Gross Weight [g]: 180
  • DENSO: Blower motor resistor
  • Item number: DRS21008
  • Our price: £ 42,01
  • Condition: New
Details
DENSO DRS21008 Blower motor resistor
Article number: DRS21008
£ 42,01
price incl. 20% VAT, excl. delivery costs
-53%
Air conditioning compressor MAHLE ORIGINAL ACP 124 000S car Air conditioner parts cost
Parts Details
  • Manufacturer Restriction: Sanden
  • Compressor ID: SD7H15
  • Compressor Oil: PAG 46
  • Belt Pulley Ø [mm]: 132
  • Number of ribs: 8
  • Refrigerant: R134a
  • Voltage [V]: 24
  • Pulleys: with V-ribbed belt pulley
  • Supplementary Article / Supplementary Info Info 2: with seal ring
  • Connector type: H / PAD
  • for OE number: 2 053 830 7
  • Packaging height [cm]: 21,00
  • Packaging length [cm]: 18,5
  • Packaging width [cm]: 27,50
  • Cylinder Head ID (air conditioning compressor): WV
  • Number of grooves: 8
  • Net Weight [g]: 8000
  • MAHLE ORIGINAL: Air conditioning compressor
  • Item number: ACP 124 000S
  • Our price: £ 159,76
  • Condition: New
Details
MAHLE ORIGINAL 351132671 Air conditioning compressor SD7H15, 24V, PAG 46, R134a, with seal ring
Article number: ACP 124 000S
compared to RRP £ 344,02

£ 159,76
price incl. 20% VAT, free delivery
Air conditioning compressor DELPHI TSP0155145 car Air conditioning parts cost
Reviews - 3
Parts Details
  • Manufacturer Restriction: Delphi
  • Compressor ID: V5
  • Compressor Oil: PAG 150
  • Belt Pulley Ø [mm]: 119
  • Supplementary Article / Supplementary Info Info 2: with PAG compressor oil
  • Clutch ID: PV6
  • DELPHI: Air conditioning compressor
  • Item number: TSP0155145
  • Our price: £ 154,02
  • Condition: New
Details
DELPHI TSP0155145 Air conditioning compressor V5, PAG 150, with PAG compressor oil
Article number: TSP0155145
£ 154,02
price incl. 20% VAT, free delivery
Interior Blower VALEO 698809 auto Air conditioner parts price
Reviews - 22
Parts Details
  • Left- / right-hand drive vehicles: for left-hand drive vehicles
  • Weight [kg]: 1,9
  • Power [W]: 320
  • VALEO: Interior Blower
  • Item number: 698809
  • Our price: £ 65,63
  • Condition: New
Details
VALEO 983226W Interior Blower for left-hand drive vehicles
Article number: 698809
£ 65,63
price incl. 20% VAT, excl. delivery costs
-57%
Air conditioning compressor MAHLE ORIGINAL ACP 101 000S auto Air conditioning parts price
Reviews - 1
Parts Details
  • Manufacturer Restriction: Hanon
  • Compressor ID: FS10-154
  • Compressor Oil: PAG 46
  • Belt Pulley Ø [mm]: 129
  • Number of ribs: 6
  • Refrigerant: R134a
  • Voltage [V]: 12
  • Pulleys: with V-ribbed belt pulley
  • Supplementary Article / Supplementary Info Info 2: with seal ring
  • Connector type: Top / PAD
  • Packaging height [cm]: 21,00
  • Packaging length [cm]: 18,5
  • Packaging width [cm]: 27,50
  • Number of grooves: 6
  • Net Weight [g]: 6440
  • MAHLE ORIGINAL: Air conditioning compressor
  • Item number: ACP 101 000S
  • Our price: £ 150,34
  • Condition: New
Details
MAHLE ORIGINAL 351113741 Air conditioning compressor FS10-154, 12V, PAG 46, R134a, with seal ring
Article number: ACP 101 000S
compared to RRP £ 354,94

£ 150,34
price incl. 20% VAT, free delivery
-5%
Blower motor resistor FEBI BILSTEIN 100043 auto Air conditioner parts price
Reviews - 8
Parts Details
  • Number of connectors: 5
  • Colour: black, green
  • Material: Plastic
  • Weight [kg]: 0,044
  • for OE number: 13480494
  • FEBI BILSTEIN: Blower motor resistor
  • Item number: 100043
  • Our price: £ 18,88
  • Condition: New
Details
FEBI BILSTEIN 100043 Blower motor resistor
Article number: 100043
compared to RRP £ 19,99

£ 18,88
price incl. 20% VAT, excl. delivery costs
-58%
Air conditioning condenser MAHLE ORIGINAL AC 457 000S auto Air conditioning parts price
Reviews - 5
Parts Details
  • Supplementary Article / Supplementary Info Info 2: with dryer
  • Inlet Ø [mm]: 18
  • Outlet Ø [mm]: 15,4
  • Packaging length [cm]: 86,0
  • Packaging width [cm]: 13,50
  • Packaging height [cm]: 46,00
  • Radiator type: Parallel cooling pipes
  • Core Length [mm]: 645
  • Core Width [mm]: 341
  • Core Depth [mm]: 16
  • Net Weight [g]: 2200
  • MAHLE ORIGINAL: Air conditioning condenser
  • Item number: AC 457 000S
  • Our price: £ 97,77
  • Condition: New
Details
MAHLE ORIGINAL 351303504 Air conditioning condenser with dryer, 18mm, 15,4mm, 645mm
Article number: AC 457 000S
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Low Pressure Line, air conditioning THERMOTEC KTT160067 cheap Air conditioner parts
Reviews - 7
Parts Details
  • THERMOTEC: Low Pressure Line, air conditioning
  • Item number: KTT160067
  • Our price: £ 47,62
  • Condition: New
Details
THERMOTEC KTT160067 Low Pressure Line, air conditioning
Article number: KTT160067
£ 47,62
price incl. 20% VAT, excl. delivery costs
AC compressor clutch THERMOTEC KTT040044 cheap Air conditioning parts
Reviews - 1
Parts Details
  • Manufacturer Restriction: Denso, 6SEU12C
  • Number of ribs: 5
  • Belt Pulley Ø [mm]: 115
  • Compressor ID: 6SEU12C
  • Number of grooves: 5
  • THERMOTEC: AC compressor clutch
  • Item number: KTT040044
  • Our price: £ 42,24
  • Condition: New
Details
THERMOTEC KTT040044 AC compressor clutch Denso, 6SEU12C 6SEU12C Ø 115 mm, Number of grooves: 5, Number of ribs: 5
Article number: KTT040044
£ 42,24
price incl. 20% VAT, excl. delivery costs
-41%
Air conditioning condenser NRF 35139 cheap Air conditioner parts
Parts Details
  • Inlet Ø [mm]: 14,3
  • Outlet Ø [mm]: 14,1
  • Material: Aluminium
  • Core Length [mm]: 593
  • Core Width [mm]: 405
  • Core Depth [mm]: 26
  • NRF: Air conditioning condenser
  • Item number: 35139
  • Our price: £ 39,47
  • Condition: New
Details
NRF 35139 Air conditioning condenser 14,3mm, 14,1mm, Aluminium, 593mm
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Pollen filter BOSCH 1 987 432 537 cheap Air conditioning parts
Reviews - 27
Parts Details
  • Filter type: Activated Carbon Filter
  • Length [mm]: 268
  • Width [mm]: 222
  • Height [mm]: 21
  • Quantity: 1
  • Basic version (Art. No.): 1987432188
  • Highly efficient version with active carbon (Art. No.): 0986628514
  • BOSCH: Pollen filter
  • Item number: 1 987 432 537
  • Our price: £ 10,62
  • Condition: New
Details
BOSCH R 2537 Pollen filter Activated Carbon Filter, 268 mm x 222 mm x 21 mm
Article number: 1 987 432 537
£ 10,62
price incl. 20% VAT, excl. delivery costs
-26%
Blower motor resistor METZGER 0917704 cheap Air conditioner parts
Reviews - 2
Parts Details
  • Number of pins: 4
  • Vehicle Equipment: for vehicles without automatic climate control
  • Socket colour: white
  • Power [W]: 200
  • METZGER: Blower motor resistor
  • Item number: 0917704
  • Our price: £ 46,29
  • Condition: New
Details
METZGER 0917704 Blower motor resistor
Article number: 0917704
compared to RRP £ 63,23

£ 46,29
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Oil, compressor WAECO 8887200039 cheap Air conditioning parts
Parts Details
  • Supplementary Info: Sanden SPA2
  • Quantity Unit: Piece
  • Packing Type: Tin
  • Compressor Oil: PAG 46 SP-A2
  • Capacity [ml]: 500
  • ISO viscosity class: VG 46
  • Usable for refrigerant: R1234yf
  • Quality: double end capped
  • Similar to picture
  • WAECO: Oil, compressor
  • Item number: 8887200039
  • Our price: £ 348,37
  • Condition: New
Details
WAECO SPA2 Oil, compressor PAG 46 SP-A2, VG 46, Sanden SPA2
Article number: 8887200039
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£ 348,37
£ 696,74 for 1 litre
price incl. 20% VAT, free delivery
-15%
Heater control valve FEBI BILSTEIN 46452 cheap Air conditioner parts
Reviews - 7
Parts Details
  • Number of connectors: 2
  • Weight [kg]: 0,431
  • FEBI BILSTEIN: Heater control valve
  • Item number: 46452
  • Our price: £ 60,89
  • Condition: New
Details
FEBI BILSTEIN 46452 Heater control valve
Article number: 46452
compared to RRP £ 71,99

£ 60,89
price incl. 20% VAT, excl. delivery costs

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