Spark Plugs - 1999 Cadillac Eldorado ETC

APP104 from Autolite

Autolite Double Platinum Spark Plugs Spark Plug - Double Platinum - Tapered Seat - 14mm Thread - .708 in. Reach - Projected Tip - Resistor

Brand: Autolite
Auto Part #: APP104
Features platinum-to-platinum firing. Engineered to virtually eliminate gap erosion, reduce misfires, and provide up-to-100,000-mile durability. Designed for DIS engines.Product Features:OE design for DIS systemsFull-platinum tips; platinum on... more

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Starting At
$0.01

AP104 from Autolite

Autolite Single Platinum Spark Plug - AP104

Brand: Autolite
Auto Part #: AP104
PLUGS Platinum

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Starting At
$2.06

APP605 from Autolite

Autolite Double Platinum Spark Plugs Spark Plug - Double Platinum - Tapered Seat - 14mm Thread - .708 in. Reach - Projected Tip - Resistor

Brand: Autolite
Auto Part #: APP605
Features platinum-to-platinum firing. Engineered to virtually eliminate gap erosion, reduce misfires, and provide up-to-100,000-mile durability. Designed for DIS engines.Product Features:OE design for DIS systemsFull-platinum tips; platinum on... more

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Starting At
$2.25

5070 from Denso

DENSO DOUBLE-PLATINUM SPARK PLUGS; Double-Platinum Spark Plug

Brand: Denso
Auto Part #: 5070
DOUBLE-PLATINUM SPARK PLUG Denso Double-Platinum Spark Plugs far outlast conventional spark plugs! Platinum ground AND center electrodes deliver superior erosion/corrosion resistance Delivers consistent, extended operation…in excess of 60,000... more

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Starting At
$3.75

3013 from Champion Plugs

Champion Platinum Power Spark Plugs Spark Plug - Platinum Power - 14mm Thread - .708 in. Reach - Resistor

Auto Part #: 3013
Champion Platinum Power spark plugs use a platinum pad welded to a nickel alloy center electrode for long life. The advantage of this design is that platinum has extremely good wear characteristics and can reduce gap growth. Because Champion... more

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Starting At
$0.89

XP104 from Autolite

Autolite XP Xtreme Performance Spark Plugs Spark Plug - Xtreme Performance - Tapered Seat - 14mm Thread - .708 in. Reach - Projected Tip - Resistor

Brand: Autolite
Auto Part #: XP104
With an iridium-enhanced .6 mm finewire design and platinum sidewire technology, these spark plugs offer better overall durability and a more focused ignition for enhanced ignitability and performance.Product Features:Iridium-enhanced center... more

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Starting At
$2.97

7940 from Champion Plugs

Champion Double Platinum Power Spark Plugs Spark Plug - Double Platinum - Tapered Seat - 14mm Thread - 18mm Reach - Projected Tip - Resistor

Auto Part #: 7940
Champion Double-Platinum Power spark plugs have platinum on both the center and ground electrodes. The center electrode is platinum fine wire that is riveted onto the nickel alloy center electrode. The ground electrode has a platinum pad welded to... more

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Starting At
$3.00

3401 from Champion Plugs

Champion Platinum Power Spark Plugs Spark Plug - Platinum Power - Tapered Seat - 14mm Thread - .708 in. Reach - Projected Tip - Resistor

Auto Part #: 3401
Champion Platinum Power spark plugs use a platinum pad welded to a nickel alloy center electrode for long life. The advantage of this design is that platinum has extremely good wear characteristics and can reduce gap growth. Because Champion... more

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Starting At
$0.01

104 from Autolite

Autolite Copper Core Spark Plugs Spark Plug - Copper Core - Tapered Seat - 14mm Thread - .708 in. Reach - Projected Tip - Resistor

Brand: Autolite
Auto Part #: 104
Designed to help deliver quick starts, good fuel economy and smooth acceleration. Product Features:Copper core electrode and nickel chromium alloy side electrode offer enhanced heat dissipation and durabilityResistor reduces radio frequency... more

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Starting At
$1.23

AP605 from Autolite

Autolite Single Platinum Spark Plug - AP605

Brand: Autolite
Auto Part #: AP605
PLUGS Platinum

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Starting At
$0.99

7013 from Champion Plugs

Champion Double Platinum Power Spark Plugs Spark Plug - RS14PYP6 - Double Platinum - 14mm Thread - .708 in. Reach - Resistor

Auto Part #: 7013
DOUBLE PLATINUM POWER SPARK PLUG Champion Double-Platinum Power spark plugs have platinum on both the center and ground electrodes The center electrode is platinum fine wire that is riveted onto the nickel alloy center electrodeThe ground... more

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Starting At
$0.01

5325 from Denso

DENSO IRIDIUM POWER SPARK PLUGS; Iridium Power IT16

Brand: Denso
Auto Part #: 5325
Iridium (extracted from meteorites) is far superior to platinum—6 times harder, 8 times stronger and able to take temperatures up to 1200° F hotter! Iridium center electrode tip is the world's smallest (only 0.4mm diameter) to produce... more

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Starting At
$7.22

5023 from Denso

DENSO RESISTOR U-GROOVE SPARK PLUGS; Resistor U-Groove Spark Plug

Brand: Denso
Auto Part #: 5023
RESISTOR U-GROOVE SPARK PLUG Denso Resistor U-Groove Spark Plug eliminates annoying buzzing/static in your radio/electronic gear! Patented U-Groove technology creates a larger and hotter flash front for better performance Virtually eliminates... more

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Starting At
$1.43

605 from Autolite

Autolite Copper Core Spark Plugs Spark Plug - Copper Core - Tapered Seat - 14mm Thread - .708 in. Reach - Projected Tip - Resistor

Brand: Autolite
Auto Part #: 605
Designed to help deliver quick starts, good fuel economy and smooth acceleration. Product Features:Copper core electrode and nickel chromium alloy side electrode offer enhanced heat dissipation and durabilityResistor reduces radio frequency... more

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Starting At
$0.99

13 from Champion Plugs

Champion Copper Plus Spark Plugs Spark Plug - RS14YC6 - Copper Plus - 14mm Thread - .708 in. Reach - Resistor

Auto Part #: 13
Built for dependable performance. Features a copper core electrode that provides enhanced conductivity and heat control, providing good overall wear characteristics. Most Ignition and Tune-Up products are available for in-store pickup from Advance... more

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Starting At
$0.01

7963 from Champion Plugs

Champion Double Platinum Power Spark Plugs Spark Plug - Double Platinum - Tapered Seat - 14mm Thread - 18mm Reach - Projected Tip - Resistor

Auto Part #: 7963
Champion Double-Platinum Power spark plugs have platinum on both the center and ground electrodes. The center electrode is platinum fine wire that is riveted onto the nickel alloy center electrode. The ground electrode has a platinum pad welded to... more

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Starting At
$3.49

XP605 from Autolite

Autolite XP Xtreme Performance Spark Plugs Spark Plug - Xtreme Performance - Tapered Seat - 14mm Thread - .708 in. Reach - Projected Tip - Resistor

Brand: Autolite
Auto Part #: XP605
With an iridium-enhanced .6 mm finewire design and platinum sidewire technology, these spark plugs offer better overall durability and a more focused ignition for enhanced ignitability and performance.Product Features:Iridium-enhanced center... more

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Starting At
$4.50

4458 from Bosch

Bosch Platinum+4 Spark Plugs Spark Plug - Platinum +4 - Tapered Seat - 14mm Thread - .708 in. Reach - Resistor

Brand: Bosch
Auto Part #: 4458
The Bosch Platinum+4 spark plug features unique revolutionary firing technology that combines the advantages of surface air gap technology, 4 nickel-yttrium ground electrodes and a heat-fused center electrode with pure platinum to provide optimum... more

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Starting At
$0.01

9404 from Champion Plugs

Champion Iridium Spark Plugs Spark Plug - Iridium - Gasket Seat - 14mm Thread - .708 in. Reach - Projected Tip - Resistor

Auto Part #: 9404
Champion iridium spark plugs offer maximum performance regardless of engine or ignition type. Each plug has an extremely fine-wire iridium center electrode that is "laser-locked" to the center electrode, and a platinum V-trimmed ground electrode... more

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Starting At
$3.20

9204 from Champion Plugs

Champion Iridium Spark Plugs Spark Plug - Iridium - Tapered Seat - 14mm Thread - .708 Reach - Resistor

Auto Part #: 9204
IRIDIUM SPARK PLUGChampion iridium spark plugs offer maximum performance regardless of engine or ignition type Each plug has an extremely fine-wire iridium center electrode that is "laser-locked" to the center electrode, and a platinum V-trimmed... more

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Starting At
$1.81