Are these genuine NGK plugs

Yes they are. Put them in a 2012 Cadillac. Car is still running just fine.

Gap was .041, spark plug off my 2011 Mustang V6 were 0.050, why the difference?

Most all plugs come new at around .038. they have to be gapped according to specs by the engine manufacturer. Worn plugs will have a wider gap due to deteriorated metal and heat.

Has anyone tried this on a lincoln mkx?

must be applied by engine size not car model

Is it fit Volkswagen Tiguan 2.0 tsi

NGK has multiple grades of plugs that may fit your vehicle. It is recommended to go to NGK site at https://ngksparkplugs.com/en/part-finder to verify the applications that will fit your vehicle. This site will show you all of the available plugs to fit your vehicle and will also show you which grade plug is recommended for the best performance of your specific engine.

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NGK # 6509 Iridium Spark Plug LTR6IX-11 - 6 PCSNEW

Product ID: 14103950

Details

Brand
NGK
Core Material
Iridium
Thread Size
14mm
Top Material Type
Iridium
Vehicle Service Type
Car Truck

⚡Iridium core for superior ignition

📦Pack of 6 for full engine refresh

🔧Vehicle-specific 14mm thread fit

R2057

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Ignite your drive with NGK Iridium – where power meets precision!

COMPLETE 6 PACK SET - Everything you need to upgrade your entire engine’s spark plugs in one purchase—no mid-project runs to the store.
TAILORED VEHICLE FIT - Designed specifically for cars and trucks ensuring hassle-free installation and optimal compatibility.
PRECISION IRIDIUM CORE - Delivers unmatched spark efficiency and longevity for peak engine performance.
TRUSTED BRAND EXCELLENCE - NGK’s #6509 model boasts a 4.7-star rating from over 2,500 users, blending reliability with rave reviews.
COST EFFECTIVE PERFORMANCE - Half the price of major retailers without compromising quality—smart savings for savvy professionals.

The NGK #6509 Iridium Spark Plug LTR6IX-11 comes in a convenient 6-pack, engineered with a durable iridium core and a 14mm thread size tailored for specific car and truck models. Renowned for its reliability and efficiency, this spark plug is a top choice among automotive professionals and enthusiasts, offering premium performance at a competitive price point backed by a strong manufacturer warranty.

Specifications

ASIN	B00J62NNAC
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#11,375 in Automotive ( See Top 100 in Automotive ) #43 in Automotive Replacement Spark Plugs
Brand	NGK
Brand Name	NGK
Compatible with Vehicle Type	Car, Truck
Core Material	Iridium
Customer Reviews	4.7 out of 5 stars 2,541 Reviews
Included Components	6509
Item Highlight	Replaces SP526 CYFS12YP 4714 4719 5339 ITV20 IT20TT ITV20TT IVT20TT 6728 9617 HR7MPP30X 3017 XP5263 XP5363 XP5863.
Item Weight	10.56 ounces
Manufacturer	NGK
Manufacturer Part Number	6509
Manufacturer Warranty Description	Includes manufacturer provided warranty
Model Number	LTR6IX-11
Number of Items	6
OEM Equivalent Part Number	6509
Thread Size	14mm
Top Material Type	Iridium
UPC	087295065099
Unit Count	1 Count
Vehicle Service Type	Car, Truck

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

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Great price for an authentic product. Fast international shipping too!

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