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Technical

21mm Diameter

1 Item(s)

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1 Item(s)

per page

21mm Diameter spark plugs from popular manufacturers including Denso, NGK, Champion and Bosch.

To find the right spark plug for your vehicle try our Spark Plug Finder

About GSP
Green Spark Plug

Green Spark Plug Co. Ltd has now added a dedicated sales and distribution team to handle customers questions and pre-sales enquires, we are experts in our field so if you have a query let us know!

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Our 3 Customer Promises
1

Fast Delivery - Products in stock for same day dispatch. Cut off 1pm GMT. (Supply permitting)
* Applies to UK Mainland only

2

Est 1980 - Over one million spark plugs sold. Call us for technical advice
+44 (0) 1477 532 317

3

Shop With Confidence - Guaranteed low prices. 30 day no hassle returns.

Company Info

Call Us +44 (0) 1477 532 317
(9-5 Mon-Fri) GMT

Unit 2
King Street Trading Estate
Middlewich
Cheshire
CW10 9LF

sales@gsparkplug.com
custservice@gsparkplug.com

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