NGK Spark Plug FR6BHX-S / 95159 Ruthenium

NGK FR6BHX-S Ruthenium HX Spark Plug – 95159

Upgrade ignition performance with the NGK FR6BHX-S Ruthenium HX Spark Plug. Featuring NGK’s advanced Ruthenium HX technology, this premium high-ignitability spark plug combines a fine-wire ruthenium center electrode with a platinum-tipped Projected Square Platinum Electrode (PSPE) ground electrode for excellent durability, reliable ignition, and consistent combustion.

The FR6BHX-S is designed to provide strong ignitability across a wide range of operating conditions. Its advanced electrode design promotes a more complete fuel burn, helping deliver smoother idle, improved cold starts, and responsive engine performance. NGK’s ruthenium technology also provides excellent resistance to wear and oxidation at high operating temperatures.

Features & Benefits

• Premium NGK Ruthenium HX High Ignitability construction
• Fine-wire ruthenium center electrode for excellent ignitability and durability
• PSPE (Projected Square Platinum Electrode) ground electrode design
• Platinum-tipped ground electrode for extended service life
• Designed to promote more complete and consistent combustion
• Helps provide smoother idle and improved cold-start performance
• Solid copper electrode core for efficient heat dissipation
• High-strength ceramic insulator
• Trivalent metal plating provides corrosion and anti-seizing protection
• Excellent oxidation resistance at elevated temperatures
• Designed for modern engines requiring high-ignitability spark plugs

Specifications

• Brand: NGK
• Part Number: FR6BHX-S
• NGK Stock Number: 95159
• Series: Ruthenium HX High Ignitability
• Thread Size: M14 x 1.25
• Reach: 19 mm / 0.750 in
• Hex Size: 5/8 in / 16 mm
• Seat Type: Flat / Gasket
• Heat Range: NGK 6
• Pre-Set Gap: 0.032 in / 0.8 mm
• Resistor Type: Yes
• Resistance: 5,000 ohms
• Center Electrode: Fine-Wire Ruthenium
• Ground Electrode: Platinum
• Ground Electrode Design: PSPE High Ignitability
• Ground Configuration: J-Gap
• Electrode Core: Copper
• Insulator: Ceramic
• Terminal Type: Solid / Non-Removable Nut

Vehicle Fitment

The NGK FR6BHX-S / 95159 is used across a wide range of applications from manufacturers including Audi, BMW, Chevrolet, Chrysler, Dodge, Jeep, Lexus, Mercedes-Benz, Mitsubishi, Porsche, Saab, Subaru, Toyota, Volkswagen, Volvo, and others. Applications vary significantly by engine and model year.

Please verify NGK part number FR6BHX-S / stock number 95159 against your vehicle’s original spark plug or manufacturer specifications before ordering.

Why Choose NGK Ruthenium HX?

NGK Ruthenium HX spark plugs bring advanced high-ignitability technology to the automotive aftermarket. Ruthenium offers excellent durability at high temperatures, while NGK’s specialized electrode designs are engineered to provide reliable combustion, strong cold-start performance, and long-lasting ignition performance.