BPR6HIX NGK Iridium Spark Plug | Genuine NGK Spark Plug

🔧 Product Description

NGK Iridium Spark Plug – Part Number: BPR6HIX

Iridium NGK spark plugs offer a longer service life than a standard nickel-tipped spark plug: while nickel-alloy plugs offer a service life of roughly 20,000-40,000km, NGK Iridium IX spark plugs offer a service life of up to 60,000km, so fewer replacements are needed over time despite the higher initial cost.

Precious-metal spark plugs like the NGK Iridium IX also offer higher ignitability, achieved with an exposed fine-tip centre electrode that promotes superior flame growth compared with a standard spark plug. Iridium has a much higher melting point (2410°C) than nickel (1453°C), allowing the centre electrode diameter to be reduced from 2.5mm to 0.6mm – a smaller electrode mass that reduces the impedance to flame progress, helping acceleration, fuel consumption and idle quality.

⚙️ Key Features

• Fine iridium-tipped centre electrode for a slow wear rate and stable idle
• Longer service life than standard nickel plugs
• 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: 4085
• Thread: 14 mm
• Reach: 12.7 mm (1/2 in)
• Hex: 20.8 mm (13/16 in)
• Seat: Gasket
• Type: Projected

🚘 Application

Listed in NGK's application charts for marine, motorcycle, ATV and snowmobile equipment and automotive vehicles. The gap is not the same on all of them – the chart lists between 0.5 mm and 1.0 mm depending on the engine, so check the line for yours.

• Omc SAIL DRIVE-15S10G (1984-1977) – Inboard Engine
• Omc SAIL DRIVE-15S10S (1984-1977) – Inboard Engine
• Omc SAIL DRIVE-15S11C (1984-1977) – Inboard Engine
• Omc SAIL DRIVE-15S13A (1984-1977) – Inboard Engine
• Omc SAIL DRIVE-15S14M (1984-1977) – Inboard Engine
• Volvo-Penta MB20A – Inboard Engine
• Volvo-Penta MB20B – Inboard Engine
• Volvo-Penta AQ95, 95A, 100 – Inboard Engine
• Evinrude 1-CYL. (3.3 HP, 2003-1991) – Outboard Engine
• Evinrude (2.3 HP, 1997-1991) – Outboard Engine
• Evinrude 1-CYL. (2 HP, 1998-1991) – Outboard Engine
• Force (U.S. Marine) (9.9 HP, 1999-1984) – Outboard Engine
• Force (U.S. Marine) (5 HP, 1999-1988) – Outboard Engine
• Johnson (3.3 HP, 2003-1991) – Outboard Engine
• Johnson (2.3 HP, 1998-1991) – Outboard Engine
• Johnson (2 HP, 2001-1991) – Outboard Engine
• Spirit (Suzuki) 8 (8 HP, 1981-1980) – Outboard Engine
• Spirit (Suzuki) 5 (5 HP, 1981-1978) – Outboard Engine
• Spirit (Suzuki) 3.5 (3.5 HP, 1981-1979) – Outboard Engine
• Suzuki DT8 (8 HP, 1987-1977) – Outboard Engine
• Suzuki DT6 (6 HP, 1985-1984) – Outboard Engine
• Suzuki DT5 (5 HP, 1983-1977) – Outboard Engine
• Suzuki DT4 (4 HP, 1987-1985) – Outboard Engine
• Suzuki DT3.5 (3.5 HP, 1984-1979) – Outboard Engine
• Honda NH125 (125, 1984) – Motorcycle

That is the 25 most common of 136 applications NGK's charts list for this plug – ask us to check yours.

🔄 Supersession & Cross Reference

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

• Bosch: W6BP, W7BP
• DENSO: 4200, W20FPR-ZU
• Harley Davidson/Screamin' Eagle: 32322-91, XL10S
• Harley-Davidson: 32322-91, XL10S
• Autolite: XS4123DP
• Torch: E6RTP

📦 Condition

• Brand new genuine product
• Supplied in original packaging