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NGK LMAR9E-J (6884) Multi-Ground Spark Plug
NGK LMAR9E-J is a high-quality OEM-style multi-ground spark plug designed to meet manufacturer ignition requirements. Featuring a dual ground electrode design, this plug maintains consistent spark performance over time by reducing wear and sensitivity to gap growth.
Ideal for modern high-performance engines, the LMAR9E-J delivers reliable ignition, improved durability, and stable operation under demanding conditions.
Key Features
Dual ground electrode design for extended service life
Maintains consistent spark as electrodes wear
Less sensitive to gap growth vs single electrode plugs
Trivalent metal plating for corrosion resistance
Corrugated ribs prevent flashover
Copper core improves heat dissipation
Triple seals help prevent leakage
Specifications
Thread Diameter: 10mm
Thread Pitch: 1.0mm
Seat Type: Gasket
Reach: 26.5mm (1.04")
Hex Size: 14mm (9/16")
Terminal Type: Threaded Stud
Overall Height: ISO
Spark Gap: 0.028" (0.7mm)
Electrode
Center Electrode Material: Nickel
Center Electrode Type: Standard
Center Electrode Size: 2.5mm
Projection: Projected
Ground Electrode Material: Nickel
Ground Electrode Type: Multi-Ground
Ground Electrode Quantity: 2
Electrical
Resistor: Yes
Resistance: 5k Ohm
Heat Range: 9
Additional
Brand: NGK / NTK
Longevity: ~50,000 miles (application dependent)
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NGK LMAR9E-J Spark Plug

Spark Plugs / NGK

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$23.95

Availability: Out of Stock

Quantity:

123 Out of Stock

Earn $1.20 in UBD Bucks

Fitment:
This is a universal fit part; it may or may not fit without modification

We ship nationwide!

Questions?
Speak to one of our experts today:
469-490-3577

Brand:

NGK

SKU:

2103-0091

Description:

NGK LMAR9E-J (6884) Multi-Ground Spark Plug

NGK LMAR9E-J is a high-quality OEM-style multi-ground spark plug designed to meet manufacturer ignition requirements. Featuring a dual ground electrode design, this plug maintains consistent spark performance over time by reducing wear and sensitivity to gap growth.

Ideal for modern high-performance engines, the LMAR9E-J delivers reliable ignition, improved durability, and stable operation under demanding conditions.

Key Features

• Dual ground electrode design for extended service life
• Maintains consistent spark as electrodes wear
• Less sensitive to gap growth vs single electrode plugs
• Trivalent metal plating for corrosion resistance
• Corrugated ribs prevent flashover
• Copper core improves heat dissipation
• Triple seals help prevent leakage

Specifications

• Thread Diameter: 10mm
• Thread Pitch: 1.0mm
• Seat Type: Gasket
• Reach: 26.5mm (1.04″)
• Hex Size: 14mm (9/16″)
• Terminal Type: Threaded Stud
• Overall Height: ISO
• Spark Gap: 0.028″ (0.7mm)

Electrode

• Center Electrode Material: Nickel
• Center Electrode Type: Standard
• Center Electrode Size: 2.5mm
• Projection: Projected
• Ground Electrode Material: Nickel
• Ground Electrode Type: Multi-Ground
• Ground Electrode Quantity: 2

Electrical

• Resistor: Yes
• Resistance: 5k Ohm
• Heat Range: 9

Additional

• Brand: NGK / NTK
• Longevity: ~50,000 miles (application dependent)

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