Will these fit a 2015 Nissan Altima S?

Not sure, unless its still the same 4 cyclinder, QR25DE engine. If its the QR25DE it will fit.

Do you need to gap these?

I always check, carefully. I have heard that you damage the contacts, but I've got a pretty light hand with a feeler gauge. That said, I've never had one come up gapped wrong in the last 10 years... These being no exception.

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NGK (9029) DILKAR6A-11 Laser Iridium Spark Plug, Pack of 1

Product ID: 443539774

Details

Brand
NGK
Core material
Iridium
Thread size
12mm x 1.25mm
Top material type
Metal
Vehicle service type
Car Truck

⚡Laser-welded iridium tip for max spark

⛽Boosts fuel economy & lowers emissions

🛡️Triple gasket seal for zero gas leaks

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€ 48.92

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Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Ignite your drive with NGK’s cutting-edge spark technology!

INNOVATIVE INSULATOR DESIGN - Longer nose and corrugated ribs prevent fouling and flashover, keeping your engine clean.
SUPERIOR ANTI CORROSION COATING - Trivalent metal plating protects against seizing and corrosion, ensuring longevity.
OPTIMIZED RESISTOR VALUE 5 K OHM - Delivers faster starts and quicker acceleration, putting you ahead on every drive.
ADVANCED PLATINUM GROUND ELECTRODE - Welded disc ensures extended lifespan and reliable ignition.
PRECISION LASER WELDED IRIDIUM TIP - Unmatched durability and consistent spark for peak engine performance.

The NGK (9029) DILKAR6A-11 Laser Iridium Spark Plug features a laser-welded iridium center electrode and platinum ground electrode for exceptional durability and performance. Its advanced insulator design prevents fouling and flashover, while a 5K Ohm resistor ensures faster starts and acceleration. Enhanced with trivalent metal plating, it offers superior anti-corrosion and anti-seizing properties, improving fuel economy and reducing emissions. Ideal for cars and trucks, this spark plug delivers reliable ignition and long-lasting engine efficiency.

Specifications

ASIN	B004A75MAW
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#88,223 in Automotive ( See Top 100 in Automotive ) #471 in Automotive Performance Spark Plugs
Brand Name	NGK
Compatible with Vehicle Type	Car, Truck
Core Material	Iridium
Customer Reviews	4.6 4.6 out of 5 stars (104)
Global Trade Identification Number	00087295190296
Included Components	9029
Item Type Name	Spark Plug
Item Weight	45 Grams
Manufacturer	NGK
Manufacturer Part Number	DILKAR6A11
Model Number	9029
OEM Equivalent Part Number	9029
Thread Size	12mm x 1.25mm
Top Material Type	Metal
UPC	087295190296 826732908502
Unit Count	1 Count

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