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Pressure Switch NISSENS 301127 OE Ref 504020509

Key Specification:
  • Closing pressure (21) [bar]: 1-4
  • Closing pressure (22) [bar]: 1-8
  • Closing pressure (23) [bar]: 2-5
  • Connector Shape: rectangular
  • EAN: 5707286536296
Sale
£ 49
£ 40.83 excl. VAT
In Stock
SKU:NISSENS 301127
BrandNISSENS
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Closing pressure (21) [bar]
1-4
Closing pressure (22) [bar]
1-8
Closing pressure (23) [bar]
2-5
Connector Shape
rectangular
EAN
5707286536296
First Fit
Yes
NISSENS
Pressure Switch
Notes
FIRST FIT
Number of pins
5
OEM Reference number
504020509
Opening pressure (21) [bar]
1-8
Opening pressure (22) [bar]
2-2
Opening pressure (23) [bar]
1-9
Refrigerant
R 134a
Spanner Size
HEX 19
Thread Size
7/16-20 UNF
Version
SWITCH
Version
Female
Voltage [V]
12

OEM 504020509 Replacement — Pressure Switch OE Ref

If your vehicle's original part carries reference 504020509, this NISSENS Pressure Switch OE Ref is built as its direct replacement — not a similar part, the correct one.

NISSENS reference 301127, EAN: 5707286536296.

Technical details are not specified.

Suitable for selected IVECO models. As always, we'd recommend confirming against your vehicle registration or the OEM number before ordering, since running changes between model years can affect fitment.

Not the right OEM number? Air Conditioning has the full range.

Reference number(s) comparable with the original spare part number
OE reference number(s) comparable with the original spare part number
  1. Berry
    12 Nov, 2025
    elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
  2. Edward & Susan
    20 OCT, 2025
    These guys were real helpful when I was looking for an EGR valve. Great communications and fast delivery, the valve did exactly as It was meant to do and it was a lot cheaper than everywhere else I looked. I'll be using eAuto Parts again. Top banana.
  3. Charlie
    27 AUG, 2025
    eAuto Parts made me happy because it only took 2 minutes to order the part and at a very good price, also very quick delivery, will definitely deal with them again.
  4. Adam Taylor
    12 May, 2025
    Quick enquiry response, easy buying and quick delivery. Quality of goods was good and fitted with no problem (Suzuki bonnet hinges.) recommended.
  5. Helena Garcia
    2 January, 2025
    The correct part was rapidly identified and located, and was despatched promply to my chosen repairer in time for the work to be done on schedule. Very pleased with the service and will be using eAuto Parts again.