Mercedes-Benz 350SD Spark Plugs

E3 DIAMONDFIRE SPARK PLUG, SOLD INDIVIDUALLY

E3 Advanced DiamondFire technology is the result of an intensive series of laboratory experiments that measures the power created by a spark plug. For the most accurate measurement of power engineering scientist studied the actual pressure rise from single combustion and outperformed all other sparkplug designs available including premium offerings from major manufacturers.

Specifications:

• 14 mm thread size
• 0.37 in. reach size
• 0.81 in. hex size
• Non-resistor plug type
• Copper core electrode material
• Nickel alloy electrode tip material
• Heat range 8

Features:

• Increase up to 12 percent more power, reducing fuel consumption by up to 13 percent while cutting harmful toxic emissions up to 58 percent
• Reduced carbon deposits for cleaner, smoother, and longer lasting engine
• Edge to edge design concentrates spark energy for easier starts in all weather conditions

Series: E3 DiamondFire

Quantity Sold: Sold individually

Warranty: 5-year or 100,000-mile E3 warranty

Part #: PYRE310

NGK BR8HIX PREMIUM CLASS IX IRIDIUM SPARK PLUG, SOLD INDIVIDUALLY

NGK Iridium IX Spark Plug improves throttle response and superior anti fouling that deliver an outstanding acceleration, high fuel efficiency and durability with its ultimate design, technology, and performance.

Specifications:

• 14 mm thread size
• 12.7 mm reach
• 20.6 mm hex size
• 0.8 mm gap
• Gasket seat style
• Resistor plug type
• Removable terminal nut
• Fine wire 0.6 mm iridium center electrode
• Tapered cut ground electrode
• Heat range 8

Features:

• Iridium alloy has extremely high melting point making it perfect for today's high-tech and high performance engines
• Fine Iridium tip that ensures high durability and a consistently stable spark
• Trivalent metal plating offers superior anti-corrosion and anti-seizing properties

Series: NGK Iridium IX

Quantity Sold: Sold individually

Warranty: 60-day NGK limited warranty

Part #: NG7001

NGK LZTR6AIX-13 PREMIUM CLASS IX IRIDIUM SPARK PLUG, SOLD INDIVIDUALLY

NGK Iridium IX Spark Plug improves throttle response and superior anti fouling that deliver an outstanding acceleration, high fuel efficiency and durability with its ultimate design, technology, and performance.

Specifications:

• 14 mm thread size
• 25 mm reach
• 16 mm hex size
• 1.3 mm gap
• Tapered seat style
• Resistor plug type
• Solid terminal nut
• Extended projected tip
• Fine wire 0.6 mm iridium center electrode
• Tapered cut ground electrode
• Projected core nose
• Extended shell hex size
• Heat range 6

Features:

• Iridium alloy has extremely high melting point making it perfect for today's high-tech and high performance engines
• Fine Iridium tip that ensures high durability and a consistently stable spark
• Trivalent metal plating offers superior anti-corrosion and anti-seizing properties

Series: NGK Iridium IX

Quantity Sold: Sold individually

Warranty: 60-day NGK limited warranty

Part #: NG2315

NGK BR8ES REGULAR CLASS TRADITIONAL SPARK PLUG, SOLD INDIVIDUALLY

NGK Traditional Spark Plug provides superior ignitability and long service life.

Specification:

• 14 mm thread size
• 19 mm reach
• 20.6 mm hex size
• 0.8 mm gap
• Gasket seat style
• Solid terminal nut
• Heat range 8

Features:

• Constructed for longer life and optimum performance
• Corrugated ribs prevent flashover and purest alumina silicate in its ceramic insulator gives greater strength and better heat transfer
• Copper core and triple sealed to further aid in heat removal and prevent interior leakage

Series: NGK Standard

Quantity Sold: Sold individually

Part #: NG3961

NGK IZFR5J PREMIUM CLASS LASER IRIDIUM SPARK PLUG, SOLD INDIVIDUALLY

NGK Laser Iridium Spark Plug series provides superior ignitability and long service life. The smallest tip diameter Iridium or Platinum surface ensures slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency, and lower emissions.

Specifications:

• 14 mm thread size
• 19 mm reach
• 16 mm hex size
• 0.8 mm gap
• Gasket seat style
• Resistor plug type
• Solid terminal nut
• ISO length
• Extended projected tip
• Iridium tip fine wire center electrode with Iridium tip ground electrode
• Heat range 5

Features:

• Ultimate evolution of spark plug technology and performance
• Reduces the voltage requirement for spark which allows for a brighter and stronger spark from the existing ignition system
• Iridium tip fine wire center electrode is both stronger and harder than Platinum, while the Platinum tip ground electrode further contributes toward the extreme longevity of the plug
• Special design firing end construction

Series: NGK Laser Iridium

Quantity Sold: Sold individually

Warranty: 60-day NGK limited warranty

Part #: NG5899

DENSO DOUBLE PLATINUM SPARK PLUG -- Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures; Five-rib design prevents flashover while decreasing voltage loss; Copper glass seal bonds the center electrode and insulator together for a gas-tight seal.

Quantity Sold: Sold individually

Part #: NP3244

DENSO PREMIUM CLASS IRIDIUM PLUG, SOLD INDIVIDUALLY -- 14 mm thread, 19 mm reach, 13/16 in. hex size, gasket seat, resistor type, removable terminal, 0.4 mm iridium center electrode, tapered cut U-groove ground electrode, 0.76 mm gap, heat range 29; Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures; Five-rib design prevents flashover while decreasing voltage loss; Copper glass seal bonds the center electrode and insulator together for a gas-tight seal; Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements; Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles.

Series: Denso Iridium Power

Quantity Sold: Sold individually

Part #: NP5318

DENSO PREMIUM CLASS IRIDIUM SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 19 mm reach, 20.6 mm hex size, gasket seat, resistor type, removable terminal nut, 0.4 mm Iridium center electrode, tapered cut U-groove ground electrode, 0.03 in. gap, 31 heat range; Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures; Five-rib design prevents flashover while decreasing voltage loss; Copper glass seal bonds the center electrode and insulator together for a gas-tight seal; Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements; Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles; Replaces OE part number IW31.

Series: Denso Iridium Power

Quantity Sold: Sold individually

Warranty: 12-month Denso warranty

Part #: NP5319

DENSO PREMIUM CLASS IRIDIUM SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 26.5 mm reach, 16 mm hex size, gasket seat, resistor type, removable terminal nut, ISO height, 0.4 mm Iridium center electrode, tapered cut U-groove ground electrode, 0.031 in. gap, 24 heat range; Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures; Five-rib design prevents flashover while decreasing voltage loss; Copper glass seal bonds the center electrode and insulator together for a gas-tight seal; Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements; Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles; Replaces OE part number IKH24.

Series: Denso Premium Class Iridium

Quantity Sold: Sold individually

Warranty: 12-month Denso warranty

Part #: NP5346

NGK BR9HIX PREMIUM CLASS IX IRIDIUM SPARK PLUG, SOLD INDIVIDUALLY

NGK Iridium IX Spark Plug improves throttle response and superior anti fouling that deliver an outstanding acceleration, high fuel efficiency and durability with its ultimate design, technology, and performance.

Specifications:

• 14 mm thread size
• 12.7 mm reach
• 20.6 mm hex size
• 0.8 mm gap
• Gasket seat style
• Resistor plug type
• Removable terminal nut
• Fine wire 0.6 mm iridium center electrode
• Tapered cut ground electrode
• Heat range 9

Features:

• Iridium alloy has extremely high melting point making it perfect for today's high-tech and high performance engines
• Fine Iridium tip that ensures high durability and a consistently stable spark
• Trivalent metal plating offers superior anti-corrosion and anti-seizing properties

Series: NGK Iridium IX

Quantity Sold: Sold individually

Warranty: 60-day NGK limited warranty

Part #: NG5687