9608 Bosch Spark Plug; Iridium
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Bosch Spark Plug; Iridium | 9608

Ford, Lincoln, Mazda, Mercury
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P/N: 9608 Bosch
Description:
Iridium
Bosch original equipment design with ultra-fine wire iridium center electrode and iridium-platinum tapered ground electrode deliver optimum performance and durability.
Cross References:
  • 02422406710P6
  • W01331922476

Spark plugs provide the spark needed to ignite the air/fuel mixture in each cylinder for engine combustion. High voltage from the ignition coil is transferred through the spark plug to an air gap between the spark plug tip and the spark plug ground to the engine. Once the voltage reaches the air gap, the voltage jumps the gap in the form of a spark, igniting a compressed air fuel charge inside the cylinder. The air fuel charge explodes, creating the force needed to push the cylinder down and turning the engine crankshaft to propel the engine. In short, spark plugs serve a vital function in keeping your vehicle running properly.

Components of a Spark Plug
  • A metal terminal that connects to the ignition system
  • A center electrode for current to flow through the spark plug with a tip for the current to jump making the spark
  • A ribbed ceramic insulator to keep current flowing through the spark plug center electrode and not into other parts of the engine
  • A threaded metal case to anchor the spark plug into the cylinder head with a ground electrode for the spark to jump to
  • A seal to seal the spark plug case to the cylinder head to prevent cylinder compression from escaping
Types of Spark Plugs

The biggest differences in spark plug construction are the materials used for the electrodes, their conductivity, and their wearability.

  • Copper is the base material for the center electrode on most spark plugs as it provides superb conductivity. These tend to wear quickly from the electrical transfer created by the spark and fully copper spark plugs need to be replaced every 15,000 miles.
  • Copper core spark plugs with yttrium or nickel tipped electrodes and grounds take longer to wear and can last up to 30,000 miles.
  • Platinum tipped copper core electrodes wear even less, provide superior conductivity, and can last up to 60,000 miles.
  • Iridium tipped copper core spark plugs wear the least and can last over 100,000 miles.

When a spark plug fails prematurely it will provide a weak spark or no spark at all. Causes of premature spark plug failure can include oil leaking from the valve cover into the spark plug chamber, your engine running too lean and overheating the spark plug, and your engine running too rich and fuel fouling the plug.

Most engines are designed to run on only one type of spark plug based on its use. Be sure to check your owner’s manual for the right type of spark plug needed for your vehicle.

View more Bosch Spark Plugs.

Bosch is the world's largest supplier of components to the automotive industry. The Bosch product line includes alternators & starters, brakes, electronic controls and sensors, fuel system parts and management, ignition system components, and steering system components. All Bosch automotive parts are either OEM (Original Equipment Manufacturer) or made to their specs as a replacement part for the OEM unit.
Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

Why Buy OEM & Genuine Replacement Auto Parts from AutohausAZ?

Auto parts at wholesale prices is what you will find at AutohausAZ. Have you been searching the web for auto parts for your vehicle? You have come to the right place! Here at Autohaus, we strive to offer low prices on quality replacement parts and providing first rate customer service.

What This Bosch Spark Plug Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

Ford
09-11 - Crown Victoria Base, LX, Police Interceptor
Do Not Gap, Gap is Preset
96-05 - Crown Victoria Base, LWB, LX, LX Sport, Police Interceptor & more
Do Not Gap, Gap is Preset; Engine VIN: 9
06-08 - Crown Victoria Base, LX, LX Sport, Police Interceptor
Do Not Gap, Gap is Preset; Engine VIN: V
97-97 - E-150 Econoline Base, XL
Do Not Gap, Gap is Preset
97-97 - E-150 Econoline Club Wagon Chateau, Custom, XLT
Do Not Gap, Gap is Preset
03-04 - E-250
Do Not Gap, Gap is Preset; Engine VIN: M
05-05 - E-250
Do Not Gap, Gap is Preset; Original Equipment Is Iridium; Engine VIN: M
97-97 - E-250 Econoline Base, XL
Do Not Gap, Gap is Preset; Engine VIN: L
99-02 - E-250 Econoline Base, XL
Do Not Gap, Gap is Preset; Engine VIN: M
03-03 - E-350 Club Wagon Chateau, XL, XLT
Do Not Gap, Gap is Preset; Engine VIN: M
97-97 - E-350 Econoline Base, XL
Do Not Gap, Gap is Preset
97-97 - E-350 Econoline Base, XL
Do Not Gap, Gap is Preset; Engine VIN: L
97-97 - E-350 Econoline Club Wagon Chateau, Custom, XL HD, XLT, XLT HD
Do Not Gap, Gap is Preset
97-97 - E-350 Econoline Club Wagon Chateau, Custom, XL HD, XLT, XLT HD
Do Not Gap, Gap is Preset; Engine VIN: L
00-02 - E-350 Econoline Club Wagon Chateau, Custom, XL, XLT
Do Not Gap, Gap is Preset; Engine VIN: M
04-04 - E-350 Super Duty
Do Not Gap, Gap is Preset; Engine VIN: M
05-05 - E-350 Super Duty
Do Not Gap, Gap is Preset; Original Equipment Is Iridium; Engine VIN: M
97-02 - Expedition 4WD Eddie Bauer, XLT
Do Not Gap, Gap is Preset
97-02 - Expedition RWD Eddie Bauer, XLT
Do Not Gap, Gap is Preset
Lincoln
09-11 - Town Car Executive, Executive L, Signature L, Signature Limited
Do Not Gap, Gap is Preset
06-08 - Town Car Designer Series, Executive, Executive L, Signature, Signature L & more
Do Not Gap, Gap is Preset; Engine VIN: V
Mazda
00-00 - B4000 Troy Lee
Do Not Gap, Gap is Preset
98-00 - B4000 4WD SE
Do Not Gap, Gap is Preset
98-00 - B4000 RWD SE
Do Not Gap, Gap is Preset
Mercury
09-11 - Grand Marquis LS
Do Not Gap, Gap is Preset
06-08 - Grand Marquis GS, LS
Do Not Gap, Gap is Preset; Engine VIN: V
04-04 - Mountaineer Premier
Do Not Gap, Gap is Preset
98-03 - Mountaineer 4WD
Do Not Gap, Gap is Preset
98-06 - Mountaineer AWD Base, Convenience, Luxury, Premier
Do Not Gap, Gap is Preset
98-06 - Mountaineer RWD Base, Convenience, Luxury, Premier
Do Not Gap, Gap is Preset