All spark plugs have a "gap" set from the factory. Each plug, however, is made to fit multiple applications. You must always check the plug gap, for your particular application, before installation.

Will this fit a 2008 W211 E550 Mercedes ?

It’s compatible with 2008 Mercedes-Benz E550 base and E550 4matic according to the NGK website. It’s pre gap at .031” (0.8mm).

is this original spark plugs or fake?

I too was worried about this. As far as I can tell the ones that I got are real. I checked the packaging and the markings on the new plugs compared to the original plugs and the markings and location were spot on. They have been in for over a year and I have not had any issues.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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4288 Spark Plug

Product ID: 280545272

Details

Brand
NGK
Core material
Platinum
Thread size
14mm
Top material type
Ceramic
Vehicle service type
Car

⚡Laser welded platinum tips for max spark efficiency

⛽Taper cut electrode reduces voltage, boosts throttle response

🔧Easy installation with vehicle-specific fit

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NT$937

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Ignite your drive with NGK’s platinum spark—because every millisecond counts!

BUILT TO LAST - Durable materials engineered to withstand high temperatures and wear.
EFFORTLESS UPGRADE - Designed for quick, hassle-free installation—get back on the road faster.
TRUSTED COMPATIBILITY - Fits a wide range of Hyundai and Mercedes-Benz models for seamless integration.
OPTIMIZED THROTTLE RESPONSE - Taper cut electrode lowers voltage needs, delivering sharper acceleration.
PRECISION PLATINUM PERFORMANCE - Dual platinum tips ensure consistent, long-lasting ignition power.

The NGK 4288 Spark Plug features laser welded platinum tips on both center and ground electrodes, enhancing spark efficiency and durability. Its taper cut design reduces voltage requirements, improving throttle response for a smoother, more responsive drive. Engineered for easy installation and compatibility with select Hyundai and Mercedes-Benz models, this spark plug offers reliable performance and longevity, making it a top choice for discerning drivers seeking precision ignition technology.

Specifications

ASIN	B001RLRT9Q
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#205,871 in Automotive ( See Top 100 in Automotive ) #1,428 in Automotive Performance Spark Plugs
Brand Name	NGK
Compatible with Vehicle Type	Car
Core Material	Platinum
Country of Publication	China
Customer Reviews	4.7 4.7 out of 5 stars (182)
Gap Size	16 Millimeters
Global Trade Identification Number	00087295142882
Included Components	Spark Plug
Item Type Name	Spark Plug
Item Weight	23 Grams
Manufacturer	NGK
Manufacturer Part Number	4288
Model Number	PLKR7A
OEM Equivalent Part Number	0041591803, 0041593403, 0041594903, 1882709080, A0041594903
Thread Size	14mm
Top Material Type	Ceramic
UPC	087295142882
Unit Count	1 Count

Reviews

J**L

Alles ist in Ordnung

24.01.2026

M**O

Envío rápido

20.08.2024

V**N

Very good products and the price is better then other places .

4.08.2017

D**X

Works great on my Royal Enfield meteor 350. Used to upgrade the factory one. Great price vs dealer. Stock is not platinium therefore I am asumming this is better and has a longer life.

28.09.2024

S**W

Good product. But I recrived the one which had been used.

26.09.2020

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