NGK

NGK — The World's #1 Spark Plug Brand

NGK has been manufacturing spark plugs and ignition components since 1936, earning the position of the world's most widely used spark plug brand through consistent quality, precise application engineering, and a product lineup that covers virtually every gasoline and diesel engine on the road. From standard copper plugs to laser iridium performance units, NGK produces spark plugs for OEM factory fill, replacement service, and high-performance applications — with the same engineering rigor applied to every tier of the product lineup.

Copper Spark Plugs

NGK's copper core spark plugs are the baseline of the lineup, providing reliable ignition performance for standard replacement applications across a wide range of domestic and import engines. Copper core construction provides excellent thermal conductivity for consistent heat range performance, with NGK's corrugated ribs and triple gasket seal preventing flashover and ensuring a leak-free installation. Copper plugs are the correct choice for older engines with conventional ignition systems and for applications where plug replacement is performed at standard service intervals.

Platinum & Double Platinum Spark Plugs

NGK platinum spark plugs extend service life beyond copper plugs through a platinum firing tip that resists electrode wear at the higher temperatures generated by modern engine management systems. Double platinum designs place platinum on both the center and ground electrodes, providing consistent gap maintenance over extended service intervals on waste-spark ignition systems where both electrodes experience equal wear. Platinum plugs are the correct OEM-specification replacement for most modern domestic and import vehicles with extended tune-up intervals.

Iridium & Laser Iridium Spark Plugs

NGK's iridium spark plug lineup represents the highest tier of the product range, with iridium firing tips that provide the longest service life and most consistent spark performance of any plug construction. The fine-wire iridium center electrode requires less voltage to fire than a conventional electrode, reducing ignition system load and improving spark reliability at high RPM and under boost. Laser Iridium plugs use a laser-welded iridium tip on both the center and ground electrodes for maximum durability and consistent gap maintenance over 100,000-mile service intervals on supported applications.

For performance and forced induction applications, NGK's iridium plugs provide the spark reliability needed at elevated cylinder pressures where conventional plugs misfire. The reduced firing voltage requirement of the fine-wire iridium electrode is particularly beneficial in turbocharged and supercharged engines where cylinder pressure at ignition timing is significantly higher than a naturally aspirated equivalent.

Racing Spark Plugs

NGK produces a dedicated racing spark plug lineup for competition applications where standard plugs are insufficient for the heat range, electrode configuration, or firing voltage requirements of the engine. Racing plugs are available in a wide range of heat ranges to match the specific thermal load of different engine combinations, fuel types, and boost levels. Correct heat range selection is critical in race applications — a plug that is too cold will foul, while a plug that is too hot risks pre-ignition and engine damage.

Oxygen Sensors

NGK produces OEM-quality oxygen sensors and air/fuel ratio sensors for a wide range of domestic and import vehicles. Wideband and narrowband sensor options cover both pre-cat and post-cat sensor positions, with direct-fit connectors and correct thread pitch for each supported application. NGK oxygen sensors meet or exceed OEM specifications for response time, accuracy, and service life — ensuring correct fuel trim operation and emissions system function after replacement.

Common Applications

NGK spark plugs and sensors cover virtually every domestic and import vehicle platform — including GM, Ford, Chrysler/Mopar, Toyota, Honda, Subaru, Nissan, BMW, Mercedes-Benz, Volkswagen, and Audi applications across all engine types and model years. NGK's application database is the most comprehensive in the spark plug industry, with OEM-specification plugs for current-model-year vehicles and replacement plugs for vintage and classic applications.

Installation Notes

NGK spark plugs are pre-gapped to the OEM specification for most applications — verify the gap against the vehicle specification before installation and adjust carefully if needed, as iridium and platinum fine-wire electrodes are more fragile than copper electrodes and can be damaged by aggressive gapping. Apply anti-seize to plug threads only if specified by the vehicle manufacturer — NGK plugs have a nickel-plated shell that provides adequate corrosion resistance without anti-seize on m...

Showing 361 of 361 products

Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK CPR9EA-9 Spark Plug Stock # 2308

No reviews

Regular price

$8.99 USD

Regular price

~~$8.99 USD~~

Sale price

$8.99 USD

Unit price

per

NGK CPR9EA-9 Spark Plug Stock # 2308NGK CPR9EA-9 is listed in the supplied catalog as spark plugs: Spark Plug Stock # 2308.Product Details Brand: NGK Manufacturer Part Number: CPR9EA-9 Product T...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK BR5ES Spark Plug Stock # 5866

No reviews

Regular price

$3.99 USD

Regular price

~~$3.99 USD~~

Sale price

$3.99 USD

Unit price

per

NGK BR5ES Spark Plug Stock # 5866NGK BR5ES is listed in the supplied catalog as spark plugs: Spark Plug Stock # 5866.Product Details Brand: NGK Manufacturer Part Number: BR5ES Product Type: Spar...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK BR2-LM Spark Plug Stock # 5798

No reviews

Regular price

$4.99 USD

Regular price

~~$4.99 USD~~

Sale price

$4.99 USD

Unit price

per

NGK BR2-LM Spark Plug Stock # 5798NGK BR2-LM is listed in the supplied catalog as spark plugs: Spark Plug Stock # 5798.Product Details Brand: NGK Manufacturer Part Number: BR2-LM Product Type: S...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK BPR9ES Spark Plug Stock #7788

No reviews

Regular price

$3.99 USD

Regular price

~~$3.99 USD~~

Sale price

$3.99 USD

Unit price

per

NGK BPR9ES Spark Plug Stock #7788NGK BPR9ES is listed in the supplied catalog as spark plugs: Spark Plug Stock #7788.Product Details Brand: NGK Manufacturer Part Number: BPR9ES Product Type: Spa...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK BPR9EIX Spark Plug Stock 6853

No reviews

Regular price

$9.99 USD

Regular price

~~$9.99 USD~~

Sale price

$9.99 USD

Unit price

per

NGK BPR9EIX Spark Plug Stock 6853NGK BPR9EIX is listed in the supplied catalog as spark plugs: Spark Plug Stock 6853.Product Details Brand: NGK Manufacturer Part Number: BPR9EIX Product Type: Sp...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK BPR5EIX-11 Spark Plug Stock # 2115

No reviews

Regular price

$11.99 USD

Regular price

~~$11.99 USD~~

Sale price

$11.99 USD

Unit price

per

NGK BPR5EIX-11 Spark Plug Stock # 2115NGK BPR5EIX-11 is listed in the supplied catalog as spark plugs: Spark Plug Stock # 2115.Product Details Brand: NGK Manufacturer Part Number: BPR5EIX-11 Pro...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK BKR5EGP Spark Plug Stock # 7090

No reviews

Regular price

$7.99 USD

Regular price

~~$7.99 USD~~

Sale price

$7.99 USD

Unit price

per

NGK BKR5EGP Spark Plug Stock # 7090NGK BKR5EGP is listed in the supplied catalog as spark plugs: Spark Plug Stock # 7090.Product Details Brand: NGK Manufacturer Part Number: BKR5EGP Product Type...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK B7HS Spark Plug Stock 5110

No reviews

Regular price

$3.99 USD

Regular price

~~$3.99 USD~~

Sale price

$3.99 USD

Unit price

per

NGK B7HS Spark Plug Stock 5110NGK B7HS is listed in the supplied catalog as spark plugs: Spark Plug Stock 5110.Product Details Brand: NGK Manufacturer Part Number: B7HS Product Type: Spark Plugs...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK AB-7 Spark Plug Stock # 3010

No reviews

Regular price

$5.99 USD

Regular price

~~$5.99 USD~~

Sale price

$5.99 USD

Unit price

per

NGK AB-7 Spark Plug Stock # 3010NGK AB-7 is listed in the supplied catalog as spark plugs: Spark Plug Stock # 3010.Product Details Brand: NGK Manufacturer Part Number: AB-7 Product Type: Spark P...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK U6032 COP Ignition Coil Stock # 48662

No reviews

Regular price

$115.99 USD

Regular price

~~$115.99 USD~~

Sale price

$115.99 USD

Unit price

per

NGK U6032 COP Ignition Coil Stock # 48662NGK U6032 is listed in the supplied catalog as ignition coils: COP Ignition Coil Stock # 48662.Product Details Brand: NGK Manufacturer Part Number: U6032 ...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK U5251 COP Ignition Coil Stock # 48856

No reviews

Regular price

$97.99 USD

Regular price

~~$97.99 USD~~

Sale price

$97.99 USD

Unit price

per

NGK U5251 COP Ignition Coil Stock # 48856NGK U5251 is listed in the supplied catalog as ignition coils: COP Ignition Coil Stock # 48856.Product Details Brand: NGK Manufacturer Part Number: U5251 ...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK U5080 COP Ignition Coil Stock # 48844

No reviews

Regular price

$61.99 USD

Regular price

~~$61.99 USD~~

Sale price

$61.99 USD

Unit price

per

NGK U5080 COP Ignition Coil Stock # 48844NGK U5080 is listed in the supplied catalog as ignition coils: COP Ignition Coil Stock # 48844.Product Details Brand: NGK Manufacturer Part Number: U5080 ...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK U5003 COP Ignition Coil Stock # 48843

No reviews

Regular price

$36.99 USD

Regular price

~~$36.99 USD~~

Sale price

$36.99 USD

Unit price

per

NGK U5003 COP Ignition Coil Stock # 48843NGK U5003 is listed in the supplied catalog as ignition coils: COP Ignition Coil Stock # 48843.Product Details Brand: NGK Manufacturer Part Number: U5003 ...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK U1173 Ignition Coil Stock # 49030

No reviews

Regular price

$31.99 USD

Regular price

~~$31.99 USD~~

Sale price

$31.99 USD

Unit price

per

NGK U1173 Ignition Coil Stock # 49030NGK U1173 is listed in the supplied catalog as ignition coils: Ignition Coil Stock # 49030.Product Details Brand: NGK Manufacturer Part Number: U1173 Product...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK TR5IX V-power Plug 7397

No reviews

Regular price

$11.99 USD

Regular price

~~$11.99 USD~~

Sale price

$11.99 USD

Unit price

per

NGK TR5IX V-power Plug 7397NGK TR5IX is listed in the supplied catalog as spark plugs: V-power Plug 7397.Product Details Brand: NGK Manufacturer Part Number: TR5IX Product Type: Spark Plugs Manu...
Sold out

Add to wishlist

View Wishlist

Vendor:
NGK
NGK SILZKAR7B11 Spark Plug Stock # 93482

No reviews

Regular price

$20.99 USD

Regular price

~~$20.99 USD~~

Sale price

$20.99 USD

Unit price

per

NGK SILZKAR7B11 Spark Plug Stock # 93482NGK SILZKAR7B11 is listed in the supplied catalog as spark plugs: Spark Plug Stock # 93482.Product Details Brand: NGK Manufacturer Part Number: SILZKAR7B11...