NGK SPARK PLUG IJR7A9 HONDA NG7901
NGK IJR7A9 / 7901 Laser Iridium Spark Plug. Features a laser-welded iridium center electrode tip and a platinum disc welded to the backside of the ground electrode for long life. Trivalent metal plating provides superior anti-corrosion and anti-seizing. Offers faster starts, quicker acceleration, better fuel economy, and lower emissions. This is an OEM-approved design and considered the best OEM iridium spark plug available. Replaces VX22BC. Part Number IJR7A9, Stock Number 7901, Barcode 087295179017. Reach 19mm (3/4 inch), Terminal Type M4 Thread, Diameter 12mm. Electrode Material Iridium. Pack Size is 1 Single Unit. Resistor type is Yes. Hex Spanner Size is 18mm (11/16 inch).
- SKU
- 37-IJR7A9
- Brand
- NGK
- Availability
- In Stock (34)
FULL DESCRIPTION
NGK Iridium Spark Plug
Experience superior ignition and extended lifespan with the NGK IJR7A9 Laser Iridium Spark Plug. Engineered with the smallest tip diameter available, this spark plug ensures reliable performance and optimal engine function.
Key Features:
- Laser-Welded Iridium Center Electrode Tip: Provides exceptional ignitability and durability.
- Platinum Disc Welded to Backside of Ground Electrode: Guarantees a slow wear rate for consistent performance and a stable idle.
- Superior Anti-Corrosion and Anti-Seizing: Trivalent metal plating offers enhanced protection against wear and seizing.
- Improved Performance: Promotes faster starts, quicker acceleration, better fuel economy, and lower emissions.
- OEM-Approved Design: Delivers the best performance available for original equipment iridium spark plugs.
Specifications:
- Part Number: IJR7A9
- Manufacturer: NGK
- Reach: 19mm (3/4 inch)
- Terminal Type: M4 Thread
- Diameter: 12mm
- Electrode Material: Iridium
- Resistor: Yes
- Hex Spanner Size: 18mm (11/16 inch)
- Pack Size: 1 Single Unit


