Champion RES9WYPB4 CCH9901 Spark Plug Iridium

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£5

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About the product

The Champion RES9WYPB4 OE189 is an iridium spark plug with a 14 mm diameter. It replaces reference 1 379 739.

Its iridium pin is welded to the copper core centre electrode, while a platinum pad is welded to the copper core ground electrode. The plug also has a fine-wire centre electrode and a laser-locked, V-trimmed platinum ground electrode. This electrode construction is described as reducing erosion and helping maintain the gap.

Check the item’s specification and compare it carefully with the original part before ordering or installing it. Vehicle compatibility and component cross-references require checking against the original specification.

At a glance

  • 14 mm diameter
  • Iridium pin welded to the copper core centre electrode
  • Platinum pad welded to the copper core ground electrode
  • Laser-locked, V-trimmed platinum ground electrode

Specifications6

Model
RES9WYPB4
OE reference
OE189
Replacement reference
1 379 739
Diameter
14 mm
Electrode construction
Iridium pin welded to the copper core centre electrode; platinum pad welded to the copper core ground electrode
Ground electrode
Laser-locked platinum ground electrode with a V-trimmed design

Price history

Now

£5

Lowest, Aug–Oct

£4.97

Highest

£5

Price at the shop, last 78 days

The price has stayed at £5 since 4 October. It has been lower in this period: £4.97 (19 Aug – 3 Oct).

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