Is this the 6668 plug as listed in NGK site?

Yes - the 6668 NGK part number is the correct number for the LFR6A spark plug.

What is the difference between the lfr6a and the lfr6a-11? And are they interchangeable?

The major difference between these plugs is the LRF6A comes pre-gapped at .036" and the LFR6A-11 is pre-gapped at .044" Technically speaking you should use the correct one of these as spec'd for your application as over adjusting the gap to compensate is not recommended.

Are these the correct plugs for a yamaha sx190, 1.8 ho? thanks

Yes - these would be the correct plugs for a Yamaha SX190 boat with the 1.8L HO engine.

will these work in a 2018 vx ho?

Yes - these would be the correct spark plugs for a 2018 Yamaha VX Cruiser HO with the 1.8L 4-cylinder engine

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Spark Plug LFR6A- Set of 4

Product ID: 76442605

Details

Brand
NGK
Core Material
Copper
Thread Size
14mm x 26.5mm
Top Material Type
Zinc-Chromate
Vehicle Service Type
Car Truck

🔥4-pack genuine NGK V-Power spark plugs

⏱️30k-60k mileage durability

⚙️Copper core for superior conductivity

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Description

⚡ Ignite your drive with NGK’s power-packed spark plugs!

PERFECT FIT GUARANTEE - Vehicle-specific design for seamless replacement
TRUSTED BRAND QUALITY - Manufactured by NGK Japan with OEM equivalent standards
LONG LASTING PERFORMANCE - Rated for 30,000 to 60,000 miles of reliable use
PRECISION ENGINE IGNITION - Genuine NGK parts ensure flawless spark every time
COMPLETE READY TO INSTALL SET - Includes original packaging and hardware for hassle-free upgrade

This set of 4 NGK V-Power LFR6A spark plugs delivers reliable ignition performance with a copper core for enhanced conductivity and durability rated between 30,000 to 60,000 miles. Designed as a direct replacement with vehicle-specific fitment, these genuine NGK parts come complete with original packaging and hardware, backed by a trusted Japanese manufacturer warranty.

Specifications

ASIN	B00M5ETU32
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#46,881 in Automotive ( See Top 100 in Automotive ) #290 in Automotive Replacement Spark Plugs
Brand Name	NGK
Compatible with Vehicle Type	Car, Truck
Core Material	Copper
Customer Reviews	4.7 4.7 out of 5 stars (195)
Included Components	6668
Item Highlight	Replaces 22401-AR716 94702-00427 94709-00427. 30k-60k mileage rated.
Item Weight	7.68 ounces
Manufacturer	NGK Japan
Manufacturer Part Number	LFR6A
Manufacturer Warranty Description	Includes manufacturer provided warranty
Model Number	6668
Number of Items	1
OEM Equivalent Part Number	LFR6A
Thread Size	14mm x 26.5mm
Top Material Type	Zinc-Chromate
UPC	605349701825
Unit Count	1 Count

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TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

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S$73

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to SINGAPORE.

Secure transaction

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Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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