•  Free shipping on UK orders over £50 (£3.95 for UK orders under £50)
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2x NGK Platinum Spark Plug PZFR5F-11 - DFI - Optimax - 33-8556721

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MPN 33-8556721


Delivery Information

Currently we only deliver to the UK, Republic of Ireland, Germany, France and Spain for online ordering - please contact us on sales@bottomlinemarine.com if you live elsewhere.

Free shipping on UK orders over £50 (£3.95 for UK orders under £50)
Excludes certain heavy items
All prices include UK VAT - No customs or duty fees for UK orders


2x Genuine NGKPZFR5F-11 Platinum Spark Plugs
NGKNGKPZFR5F-11Spark Plug to fit various outboard models
Supplied in a plain white box (NGK Direct to manufacturer type box)
These were originally supplied to EP Barrus to replace DFI
/Optimax plugs from another plug manufacturer.

Thelisting is for two spark plugs
NGK Spark Plugs provide the ultimate performance for your engine. They're high quality, reliable and their advanced materials and design provide superior anti-fouling characteristics, which reduce carbon build up over a wide heat range. "V" Type plugs include a thin centre electrode tip, which is made of precious metal for added corrosion and oxidation resistance. The result: fast, sure starts and less misfiring, even in the coldest weather.
Ribbed to eliminate flash-over and improve performance.
Highest quality ceramic insulators improve heat dissipation and electrical insulation to provide long term durability.
More gaskets for peak performance.
Deep-seated copper core provides maximum engine efficiency at high and low speeds.
Projected insulator precision-engineered to prevent fouling and misfiring.
Nickel alloy tip prevents fouling, maximises performance and extends plug life.

Specification List

Type Spark plug Sub-Type Spark plug
Country/Region of Manufacture Japan