Key Specification:
  • EAN: 087295164211
  • Packing Unit: 1
  • Spanner Size: 16 mm
  • Spark Plug: 1 - Earthed Electrode
  • Spark Plug: Nickel Middle Electrode
Sale
£ 27
£ 22.5 excl. VAT
In Stock
SKU:NGK 6421
BrandNGK
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EAN
087295164211
Packing Unit
1
Spanner Size
16 mm
Spark Plug
1 - Earthed Electrode
Spark Plug
Nickel Middle Electrode
Spark Plug
with taper gasket seat
Spark Plug
no interference suppression
Spark Plug
Unscrewable SAE connector
Spark Position [mm]
1.0
Supplementary Info
BM7F
Supplementary Info
SPARK PLUG - BM7F
Thread Length [mm]
7.8
Thread Size
M14 x 1-25

Spark Plug NGK 6421

Spark Plug NGK – NGK – OEM not specified

This Spark Plug NGK is supplied by NGK as a replacement for OEM reference not specified. It is intended for use in selected various vehicle models vehicles and designed to meet original equipment fit and function requirements.

The part is identified by manufacturer reference 6421 and EAN 087295164211, allowing accurate product identification and compatibility checks before installation. It is suitable for replacing worn, damaged, or non-functioning components where reliable operation is required.

  • BM7FSPARK PLUG - BM7F

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

Vehicle Compatibility

Compatible with selected various vehicle models models. Full compatibility details are 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.

  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.