Hi, will these fit and work on my 2000 chevy astro van with the 4.3 vortec v6 engine?

Hello-- NGK has multiple grades of plugs that may fit your vehicle. We recommend you go to the 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. Tim OverstockDirect

Will these fit my 2003 fird explorer xlt?

they fit my 1991 ford explorer with a 4.0

Will these fit 2013 Grand Caravan

Hello-- NGK has multiple grades of plugs that may fit your vehicle. We recommend you go to the 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. Tim OverstockDirect

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NGK 3951 Spark Plugs TR55 (6 Pack)

Product ID: 176161602

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Details

Brand
NGK
Core Material
Copper
Thread Size
14 milimeters
Top Material Type
Metal
Vehicle Service Type
Car Truck SUV

🔥Wider heat range for peak performance

⚙️Universal fit for multiple vehicle types

🛡️Triple gasket sealing prevents gas leaks

Description

⚡ Ignite your engine’s potential with NGK TR55 – where power meets precision!

TRUSTED LEGACY - NGK’s decades-long OE reputation means you’re investing in proven, reliable spark plug technology.
LEAK PROOF POWER - Patented triple gasket sealing guarantees zero combustion gas leakage for maximum engine efficiency.
CARBON BUILDUP FIGHTER - Advanced design resists carbon deposits and pre-ignition, keeping your ride smooth and efficient.
VERSATILE COMPATIBILITY - Universal fit for cars, trucks, SUVs, motorcycles, and more—one plug to rule them all.
UNMATCHED HEAT RESILIENCE - Operates flawlessly across a broader heat spectrum than standard plugs, ensuring your engine stays cool under pressure.

The NGK 3951 TR55 spark plugs come in a convenient 6-pack and feature a copper core with a patented triple gasket seal to prevent combustion gas leaks. Designed for universal fit across a wide range of vehicles including cars, trucks, SUVs, motorcycles, and lawn equipment, these plugs operate efficiently over an extended heat range while resisting carbon buildup and pre-ignition, delivering reliable, long-lasting engine performance.

Specifications

Brand	NGK
Core Material	Copper
Thread Size	14 milimeters
Top Material Type	Metal
Vehicle Service Type	Car,Truck,SUV,Lawn Mowers,ATV,Motorcycle,Scooter
Automotive Fit Type	Universal Fit
UPC	087295139516
OEM Part Number	TR55
Manufacturer	NGK
Item Weight	0.01 ounces
Product Dimensions	3.31 x 0.94 x 4.98 inches
Item model number	3951
Manufacturer Part Number	TR55
Position	Center

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