DPR6EA-9 NGK Spark Plug (5531) | Genuine NGK Spark Plug

🔧 Product Description

NGK Spark Plug – Part Number: DPR6EA-9

⚙️ Key Features

• Standard nickel centre electrode
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Corrugated ribs reduce the risk of flashover
• Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage

📏 Specifications

• NGK stock number: 5531
• Thread: 12 mm x 1.25 mm
• Reach: 19 mm (3/4 in)
• Hex: 18 mm
• Seat: Gasket
• Terminal: Threaded stud
• Gap as supplied: 0.9 mm (.035 in)
• Heat range: 6
• Resistor: Yes (5 kilohm)
• Centre electrode: Nickel, standard, 2.5 mm, projected
• Ground electrode: Nickel
• NGK service life rating: 30,000 miles

🚘 Application

Listed in our NGK spark plug application charts for Yamaha outboards, Mariner and Force outboards, Mercury outboards and Honda, Volvo Penta, Chrysler and Selva outboards against the following engines. Our chart shows a 0.9 mm gap for every one of them, but check it against your engine's manual before fitting.

• Yamaha 9.9 HP – F9.9C Dia. 12 mm plug, 4-Stroke (1998-2008)
• Mariner 9.9 HP – Dia. 12 mm plug, 4-Stroke (1999-2002)
• Mercury 9.9 HP – 4-Stroke (1999-2002)
• MarinePower 8 HP – 4-Stroke
• Yamaha 9.9 HP – FT9.9D Dia. 12 mm plug, 4-Stroke (1999-2008)
• Mariner 15 HP – Dia. 12 mm plug, 4-Stroke (1998-2002)
• Mercury 15 HP – Bigfoot, 4-Stroke (1998-2006)
• MarinePower 9.9 HP – 4-Stroke
• Yamaha 13.5 HP – F13.5A
• Mariner 25 HP – Dia. 12 mm plug, 4-Stroke (1998-2002)
• Mercury 25 HP – Bigfoot, 4-Stroke (1998-2001)
• MarinePower 15 HP – 4-Stroke
• Yamaha 15 HP – F15A Dia. 12 mm plug (1998-2004)
• Mariner 30 HP – Dia. 12 mm plug, 2-Cyl. 4-Stroke (1999-2002)
• Mercury 30 HP – 4-Stroke 2-Cyl. (1999-2002)
• MarinePower 25 HP – 4-Stroke
• Yamaha 20 HP – F20A
• Mariner 40 HP – Dia. 12 mm plug, 3-Cyl. 747cc 4-Stroke (1998-2001)
• Mercury 40 HP – Bigfoot, 4-Stroke 3-Cyl. (1998-2002)
• MarinePower 30 HP – 4-Stroke Carb.
• Yamaha 25 HP – F25A, 2-Cyl. 4-Stroke (1998-2009)
• Mariner 40 HP – Dia. 12 mm plug, 4-Cyl. 995cc (1998-2001)
• Mercury 40 HP – Bigfoot, 4-Stroke 4-Cyl. (Excl. EFI) (2001-2006)
• MarinePower 40 HP – 4-Stroke Carb.
• Yamaha 25 HP – FT25B, 2-Cyl. 4-Stroke (2000-2009)

That is the 25 most common of 39 applications our chart lists for this plug - there are further engines in NGK's catalogue, so ask us to check yours.

🔄 Supersession & Cross Reference

NGK's cross-reference tables list this plug against these part numbers.

• Triumph: 1296999, T1296999
• Denso: X20EPR-U9
• Honda: 98069-56916
• Kawasaki: E92070-1138
• MerCruiser: 33-827858
• Yamaha: 94701 00375

📦 Condition

• Brand new genuine product
• Supplied in original packaging