Do they last 7 years and what would be some good spark plug wires to go with these sparkplugs i drive a 96 mercury grand marquis gs

If you apply an anti-sieze compound to the threads of the spark plugs,prior,to installation you might,get away with leaving,them in for 7,years. Personally, I have not,gone,past 5 years with a spark plug before removing,it and replacing,it.

What's the difference between 9605 and 9608 Bosch iridium spark plug

The 9605 and the 9608 are exactly the same in features and construction -- they are made to "fit" different vehicles, depending on heat-range requirements. The 9605 fits my 1995-1997 4.6 L - 2v FOMOCO engine. The 9608 fits other vehicles -- Chrysler, Ford, Dodge, etc. Always check the Vehicle Compatibility Chart before ordering.

Bosch 9605 Oe Fine Wire Double Iridium Spark Plug Single

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Description

⚡ Spark your engine’s potential with Bosch Double Iridium – performance that lasts and installs in a flash!

IGNITE WITH PRECISION - Ultra-fine 360° laser welded iridium wire ensures lightning-fast, reliable ignition every time.
TRUSTED COMPATIBILITY - Fits a wide range of premium vehicles including Aston Martin, Ford, Lincoln, Mazda, and Mercury—upgrade your ride with confidence.
PLUG PLAY SIMPLICITY - Factory pre-gapped and nickel-plated threads mean effortless installation—no extra tools or anti-seize required.
ENGINEERED FOR ENDURANCE - Double iridium electrodes deliver 4X longer life than standard plugs—less hassle, more drive time.
OPTIMIZED FOR MODERN ENGINES - OE-matched design supports Gasoline Direct Injection (GDI) engines for peak performance and efficiency.

Bosch 9605 OE Fine Wire Double Iridium Spark Plug features ultra-fine iridium electrodes and 360-degree laser welding for superior ignitability and durability. Offering 4X longer life and 24% reduced voltage requirements, it’s factory pre-gapped with corrosion-resistant nickel-plated threads for easy installation. Designed to meet OE standards, it’s compatible with modern GDI engines and a broad range of premium vehicles.

Specifications

ASIN	B00515NHKY
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#916,523 in Automotive ( See Top 100 in Automotive ) #4,706 in Automotive Replacement Spark Plugs
Brand Name	Bosch
Compatible with Vehicle Type	Car
Core Material	Iridium
Customer Reviews	4.6 4.6 out of 5 stars (95)
Global Trade Identification Number	00028851010078
Included Components	spark plug
Item Highlight	Replaces 53384 53394 53424 90813 97287 900-1530 900-1823 924-1530 924-1823. OE-grade replacement.
Item Type Name	Spark Plug
Item Weight	1.6 ounces
Manufacturer	Bosch Automotive
Manufacturer Part Number	9605
Manufacturer Warranty Description	Limited
Model Number	9605_1
Number of Items	1
OEM Equivalent Part Number	9605
Thread Size	14
Top Material Type	Nickel
UPC	028851010078

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