Spark Plug RIDEX 686S0108 OE Ref 12 12 0 041 666

Key Specification:
  • Connector type: HS 6-4
  • EAN: 4059191985555
  • Electrode Gap [mm]: 0.8
  • OEM Reference number: 12120040551
  • Packing Type: Box
Sale
£ 36
£ 30 excl. VAT
In Stock
SKU:RIDEX 686S0108
BrandRIDEX
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Connector type
HS 6-4
EAN
4059191985555
Electrode Gap [mm]
0.8
OEM Reference number
12120040551
Packing Type
Box
Projection [mm]
1.2
Resistor from [kOhm]
3
Resistor to [kOhm]
9
Shaft Length [mm]
2
Spanner Size
14 mm Bi-Hex
Spark Plug
1 - Earthed Electrode
Spark Plug
with gasket seat
Spark Plug
Iridium Middle Electrode
Spark Position [mm]
3.7
Thread Length [mm]
25.5
Thread Size
M12x1.25
Tightening torque from [Nm]
20

Spark Plug OE Ref 12 12 0 041 666 – RIDEX – OEM 12120040551

This Spark Plug OE Ref 12 12 0 041 666 is supplied by RIDEX as a replacement for OEM reference 12120040551. It is intended for use in selected BMW, CITROEN, DS, MINI, PEUGEOT vehicles and designed to meet original equipment fit and functional requirements.

The part is identified by manufacturer reference 686S0108 and EAN 4059191985555, allowing accurate identification and compatibility verification before installation. It is suitable for replacing worn, damaged, or non-functioning components where dependable operation is required.

Technical details are not specified.

Fitment & Compatibility

Correct part selection is essential to ensure proper fitment. Please verify compatibility by using the vehicle registration lookup tool or by matching the OEM reference number before ordering.

This part is compatible with selected BMW, CITROEN, DS, MINI, PEUGEOT models. Detailed compatibility information is available in the Compatibility section of this page.

If this part is not suitable for your vehicle, browse alternative options in our Ignition & Preheating category.

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.