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Audi A8 Spark Plug

We have 6 Items In-stock. Select a year to continue.
$3.09 List Price $3.65 Save $0.56 Availability: In Stock
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DENSO REGULAR CLASS TRADITIONAL SPARK PLUG

Denso's Regular Class Traditional Spark Plugs guarantee the quality of the product they produce because every component that leaves their factories has been designed with precision, manufactured to the strictest OE standards and subjected to rigorous safety and performance tests.

Specification:
  • 14 mm thread size
  • 18 mm reach
  • 0.63 in. hex size
  • 0.03 in. gap size
  • Tapered seat style
  • Resistor plug type
  • U-groove ground electrodes
  • Removable terminal
  • Projected tip
  • Heat range 20

Features:
  • Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures
  • Copper glass seal bonds the center electrode and insulator together for a gas-tight seal
  • Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements
  • Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles


  • SKU#: NP5032
  • Brand: Denso
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Gap Size: 0.032 in.
  • Reach: 18 mm
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Fits the following Audi A8 Years:
  • 1997-1999 | 8 Cyl 3.7L | Base
$14.03 List Price $16.56 Save $2.53 Availability: In Stock
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BOSCH REGULAR CLASS PLATINUM MULTI-GROUND SPARK PLUG

Bosch Regular Class Platinum Multi-Ground Spark Plug provides multiple radial spark paths and surface air gap design that creates optimal plug life.

Specifications:
  • 14 mm thread size
  • 17.55 mm reach
  • 16 mm hex size
  • Tapered seat style
  • Interference suppression resistor
  • Surface air gap plug
  • Copper core center electrode
  • 4 ground electrodes
  • Heat range 7

Features:
  • Unique firing technology that combines the advantage of surface air gap technology and yttrium enhanced ground electrodes


  • SKU#: BS7411
  • Brand: Bosch
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Reach: 17.55 mm
  • Thread Size: 14 mm
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Fits the following Audi A8 Years:
  • 1997-1999 | 8 Cyl 3.7L | Base
$5.94 List Price $7.01 Save $1.07 Availability: In Stock
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AC DELCO SPARK PLUG ASSEMBLY, SOLD INDIVIDUALLY -- Constructed from top quality materials to help the engine run clean and longer; Features a copper-core center electrode for improved heat transfer to the tip; Hot-tip insulators heats fast and fires hot to promote longer electrode life for miles of dependable performance; Nickel-chrome alloy sheathing on the ground and center electrodes offers maximum resistance against wear from spark erosion and the corrosive environment of the combustion chamber; Engineered to high standards and tested under extreme conditions to exceed OE specifications; Replaces OE number 25171347.
  • SKU#: AC8
  • Brand: AC Delco
  • Fit Note: Car
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Gap Size: OE Replacement
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Fits the following Audi A8 Years:
  • 1997-1999 | 8 Cyl 3.7L | Base
$8.39 List Price $9.90 Save $1.51 Availability: In Stock
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MOTORCRAFT SUPPRESSOR SPARK PLUG, FINEWIRE PLATINUM, SOLD INDIVIDUALLY

0.05 in. gap size, standard service plug; Delivers maximum voltage to the spark plug while maximizing performance and increases engine life; Resists corrosion and abrasion; Reduces the chance of misfire.


  • SKU#: MISP500
  • Brand: Motorcraft
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Warranty: 12-month or 12,000-mile Motorcraft limited warranty
 
Fits the following Audi A8 Years:
  • 1999 | 8 Cyl 3.7L | Base
$5.63 List Price $6.64 Save $1.01 Availability: In Stock
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CHAMPION SINGLE PLATINUM POWER PLUG, SOLD INDIVIDUALLY -- 14 mm thread diameter, 18 mm reach, 16 mm hex size, resistor type, tapered seat, copper plus core design, V-trimmed ground electrode, projected tip; Center and side electrodes are tapered for performance while platinum tip on center electrode guarantees extended plug life.
  • SKU#: C333401
  • Brand: Champion
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Reach: 14 mm
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Fits the following Audi A8 Years:
  • 1997-1999 | 8 Cyl 3.7L | Base
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$22.49 List Price $26.54 Save $4.05 Availability: In Stock
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ACCEL SILVER TIP SERIES SPARK PLUG, SOLD INDIVIDUALLY

Accel Silver Tip Series Spark Plug is constructed with silver material which is the best electrical conductor that allows a wider heat range and is extremely resistant to fouling.

Specifications:
  • 14 mm thread size
  • 0.71 in. reach
  • 0.63 in. wrench diameter
  • Tapered seat style
  • Shorty spark plug
  • Resistor plug type
  • Silver electrode core/tip material
  • Projected insulator type
  • One ground strap
  • Heat range 6

Features:
  • Silver center electrode with low ignition voltage requirements that allows easier starting and fine wire center electrode which allows a thicker insulator to help prevent arcing
  • Offers all the benefits of Accel shorty plugs along with the benefits of the silver tip plugs

Can be used with LPG, E85, methanol/ethanol, injection, high compression, and high RPM engines. One step colder than standard heat range.

  • SKU#: A35256SS
  • Brand: Accel
  • Electrode Core Material: Silver
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Silver
  • Reach: 0.71 in.
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Fits the following Audi A8 Years:
  • 1997-1999 | All Engines | All Submodels
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Select more Audi A8 parts under Spark Plugs, Wires & Components from list below.