Brass, Stainless Steel, Mild Steel, Dish and Cup Engine Core Plugs
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Trusted to deliver
Core
Plugs International™ are the only supplier in the UK (and possibly, the
world) that stock the biggest range of core plugs & engine core plug sets in various metals.
For
custom-sized plugs or sizes not currently listed, a lead time of 6-8 weeks is
necessary to finalize specifications and create tooling. Additional fees will
be charged.
Bulk discounts are applied automatically at checkout, ranging from 10% to 50% off the total amount (beginning at £20), excluding postage.
Please
note: Due to the difference in names, a 'Core Plug' - either 'cup' or
'dish/welch', can be referred to as the following misnomers: Freeze, Frost,
Expansion, Saucer and Welsh. See our Frequently Asked Questions page for more information.
For custom-sized plugs or sizes not currently listed, a lead time of 6-8 weeks is necessary to finalize specifications and create tooling. Additional fees will be charged.
Bulk discounts are applied automatically at checkout, ranging from 10% to 50% off the total amount (beginning at £20), excluding postage.
Looking for a set of plugs for a vehicle? Try entering your request in the search bar above; such as an engine type e.g. X20DTL or Astra, 307 or Peugeot etc.
Delivery information | Terms of Sale,
Returns & Refunds
Certificates of Conformity and Initial Sample Inspection Reports are available upon request. NDA's welcomed.
All brass, mild & stainless steel plugs, including the material they are made from, originate from the UK.

Featured
BMW X3, Xdrive, 1, 3 & 5 Series Core Plug Block Set
1 Series 2lt Diesel 09/2004 – 03/2007 3 S..
£7.00
Land Rover Discovery II Defender 90, 110 & 130, 1998 onwards core plug set (MC)
2.5L TDI 1998 onwards Defender 90, 110 & 130 &..
£12.50
ASTRA-G + ZAFIRA-A Diesel 1686cc 1.7L - 1998 - 2010 - Y17DT Z17DTL
Model: ASTRA-G + ZAFIRA-A Engine Size: 1.7L 169..
£13.00













