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2006 Cadillac STS Spark Plug

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AC Delco Spark Plug
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Sale Price: $7.98
(>35) In Stock
Part Number: 18643-05006421
Notes: Spark Plug
Condition: New

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This Product Fits the Following: Warehouse: B
Vehicle Sub Model Engine
• 2006 Cadillac STS Base  4.6L V8 VIN: A FI Naturally Aspirated GAS 

AC Delco Spark Plug
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Sale Price: $7.98
(>35) In Stock
Part Number: 18643-05006424
Notes: Spark Plug
Condition: New

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This Product Fits the Following: Warehouse: B
Vehicle Sub Model Engine
• 2006 Cadillac STS Base  3.6L V6 VIN: 7 FI Naturally Aspirated GAS 

Bosch Spark Plug
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Bosch 9617
Spark Plug
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Sale Price: $6.98
(>35) In Stock
Part Number: 18643-05252113
Notes: OE Fine Wire Iridium -- Do Not Gap, Gap is Preset
Condition: New

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Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 3.6L V6 

Bosch Spark Plug
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Bosch 9606
Spark Plug
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Sale Price: $6.98
(>35) In Stock
Part Number: 18643-05250276
Notes: OE Fine Wire Iridium -- Do Not Gap, Gap is Preset
Condition: New

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Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 VIN: A 

Bosch Spark Plug
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Sale Price: $9.98
(>35) In Stock
Part Number: 18643-05351429
Notes: OE/Specialty -- Do Not Gap, Gap is Preset
Condition: New

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Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 3.6L V6 

Bosch Spark Plug
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Sale Price: $8.98
(>35) In Stock
Part Number: 18643-05021012
Notes: Platinum Ir Fusion -- Do Not Gap, Gap is Preset; Original Equipment Is Platinum
Features:
  • Patented fused iridium and platinum center electrode, sintered into an extended insulator nose, provides exceptional wear resistance and reaches
  • Revolutionary surface air gap firing technology featuring Bosch's unique four ground electrode design, delivers the most powerful spark for the most efficient combustion and optimum horsepower without increasing the voltage requirement
  • Four yttrium-enhanced ground electrodes resist spark plug wear and oxidation for exceptional performance life
  • Factory pre-set gap set to provide ease of installation - never requires adjustment
  • Contains one spark plug
Condition: New

Shipping Options:
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This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 VIN: A 

Bosch Spark Plug
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Bosch 4458
Spark Plug
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Sale Price: $5.98
(>35) In Stock
Part Number: 18643-05021003
Notes: Platinum+4 -- Do Not Gap, Gap is Preset; Original Equipment Is Platinum
Features:
  • Revolutionary surface air gap firing technology featuring four yttrium-enhanced ground electrodes delivers the longest, most powerful spark for ultimate engine performance
  • Four yttrium-enhanced ground electrodes provide optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended performance life
  • Electrode gap is factory set to provide ease of installation - never requires adjustment
  • Never requires gapping,the electrode gap is factory-set and never requires adjustment
  • Provides ease of installation - never requires adjustment
Condition: New

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Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 VIN: A 

Bosch Spark Plug
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Sale Price: $2.98
(4) In Stock
Part Number: 18643-05212362
Notes: Super Plus -- Gap 0.040 in; Original Equipment Is Platinum
Condition: New

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Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 VIN: A 

Denso Spark Plug
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Sale Price: $6.98
(>35) In Stock
Part Number: 18643-05052102
Notes: Double Platinum -- Gap .040; Long # PT16EPR10
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 VIN: A FI Naturally Aspirated GAS 

Denso Spark Plug
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Denso 5068
Spark Plug
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Sale Price: $6.98
(>35) In Stock
Part Number: 18643-05052098
Notes: Double Platinum -- Gap .050; Long # PT16VR13
Features:
  • PT16VR13
  • Increases engine performance and throttle response
  • Efficient fuel consumption
  • Improved cold-starting
  • Stable combustion during idling
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 3.6L V6 VIN: 7 FI Naturally Aspirated GAS 

Denso Spark Plug
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Denso 5325
Spark Plug
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Sale Price: $7.98
(>35) In Stock
Part Number: 18643-05169630
Notes: Iridium Power -- Gap .044; Long # IT16
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 VIN: A FI Naturally Aspirated GAS 

Denso Spark Plug
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Denso 5338
Spark Plug
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Sale Price: $7.98
(>35) In Stock
Part Number: 18643-05052108
Notes: Iridium Power -- Gap .044; Long # ITV16
Features:
  • Low fuel consumption
  • Excellent acceleration and performance
  • Stable combustion during idling
  • Long life and high reliability
  • Features iridium with high melting point
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 3.6L V6 VIN: 7 FI Naturally Aspirated GAS 

Denso Spark Plug
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Sale Price: $7.98
(>35) In Stock
Part Number: 18643-05169632
Notes: Iridium Power -- Gap 0.040; Long # IT22
Condition: New

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Ground
This Product Fits the Following: Warehouse: B
Vehicle Sub Model Engine
• 2006 Cadillac STS 4.4L V8 VIN: D FI Supercharged GAS 

Denso Spark Plug
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Denso 4511
Spark Plug
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Sale Price: $3.98
(>35) In Stock
Part Number: 18643-05169545
Notes: Platinum TT -- Gap .040; Long # PT16TT
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 VIN: A FI Naturally Aspirated GAS 

Denso Spark Plug
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Sale Price: $3.98
(>35) In Stock
Part Number: 18643-05169547
Notes: Platinum TT -- Gap 0.040; Long # PTV16TT
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 3.6L V6 VIN: 7 FI Naturally Aspirated GAS 

Denso Spark Plug
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Sale Price: $2.98
(>35) In Stock
Part Number: 18643-05052085
Notes: STD -- Gap .032; Long # T16EPR-U
Features:
  • T16EPR-U
  • Increases engine performance and throttle response
  • Efficient fuel consumption
  • Improved cold-starting
  • Stable combustion during idling
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 VIN: A FI Naturally Aspirated GAS 

Champion Spark Plug
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Sale Price: $7.98
(3) In Stock
Part Number: 18643-05398303
Notes: Champion Iridium -- Gap .040
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.4L V8 

Champion Spark Plug
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Sale Price: $7.98
(>35) In Stock
Part Number: 18643-05027546
Notes: Double Platinum -- Gap .044; OE Type
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 3.6L V6 
• 2006 Cadillac STS 3.6L V6 

Champion Spark Plug
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Champion 7963
Spark Plug
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Sale Price: $7.98
(>35) In Stock
Part Number: 18643-05027551
Notes: Double Platinum -- Gap .050; OE Type
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 

Champion Spark Plug
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Sale Price: $3.98
(>35) In Stock
Part Number: 18643-05027482
Notes: Platinum Power -- Gap .050
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 

E3 Spark Plugs Spark Plug
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E3 Spark Plugs E3.53
Spark Plug
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Sale Price: $6.98
(>35) In Stock
Part Number: 18643-05343294
Notes: Spark Plug
Features:
  • More Horsepower
  • Improved Fuel Efficiency
  • Reduced Engine Emissions
  • Longer Engine Life
  • Better Conductive Heat Transfer
  • Easier starts in all weather conditions
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.4L V8 

E3 Spark Plugs Spark Plug
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E3 Spark Plugs E3.54
Spark Plug
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Sale Price: $6.98
(>35) In Stock
Part Number: 18643-05343295
Notes: Spark Plug
Features:
  • More Horsepower
  • Improved Fuel Efficiency
  • Reduced Engine Emissions
  • Longer Engine Life
  • Better Conductive Heat Transfer
  • Easier starts in all weather conditions
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 

E3 Spark Plugs Spark Plug
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Sale Price: $6.98
(>35) In Stock
Part Number: 18643-05343301
Notes: Spark Plug
Features:
  • More Horsepower
  • Improved Fuel Efficiency
  • Reduced Engine Emissions
  • Longer Engine Life
  • Better Conductive Heat Transfer
  • Easier starts in all weather conditions
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 3.6L V6 

Motorcraft Spark Plug
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Sale Price: $2.98
(>35) In Stock
Part Number: 18643-05156384
Notes: Spark Plug -- Plug Material: Copper; Gap: .050; Type - Alternative Plg
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 

NGK Spark Plug
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Sale Price: $4.98
(>35) In Stock
Part Number: 18643-05051231
Notes: G-Power Spark Plug -- .040
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 

NGK Spark Plug
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Sale Price: $8.98
(>35) In Stock
Part Number: 18643-05051270
Notes: Iridium IX Spark Plug -- .040
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 

NGK Spark Plug
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Sale Price: $9.98
(17) In Stock
Part Number: 18643-05254169
Notes: Iridium IX Spark Plug -- .040
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.4L V8 

NGK Spark Plug
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NGK 6509
Spark Plug
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Sale Price: $9.98
(>35) In Stock
Part Number: 18643-05252251
Notes: Iridium IX Spark Plug -- .044
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 3.6L V6 
• 2006 Cadillac STS 3.6L V6 

NGK Spark Plug
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Sale Price: $10.98
(>35) In Stock
Part Number: 18643-05353598
Notes: Laser Iridium Spark Plug -- .044
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 3.6L V6 
• 2006 Cadillac STS 3.6L V6 

NGK Spark Plug
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NGK 3784
Spark Plug
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Sale Price: $10.98
(4) In Stock
Part Number: 18643-05366514
Notes: Laser Platinum Spark Plug -- .040
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 

NGK Spark Plug
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Sale Price: $2.98
(>35) In Stock
Part Number: 18643-05051219
Notes: V-Power Spark Plug -- .040
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 

MSD Spark Plug - Iridium Tip Spark Plug - 4 Pack - Plug Type 1IR5Y - 0.043 in. Plug Gap

Click to Enlarge Image is not vehicle specific
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Sale Price: $35.96
(9) In Stock
Part Number: 18643-03287538
Notes: Iridium Tip Spark Plug; 4 Pack; Plug Type 1IR5Y; 0.043 in. Plug Gap
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Sub Model Engine
• 2006 Cadillac STS Base  4.6L V8 

MSD Spark Plug - Iridium Tip Spark Plug - 4 Pack - Plug Type 5IR6Y - 0.032 in. Plug Gap

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Sale Price: $35.96
(14) In Stock
Part Number: 18643-03287592
Notes: Iridium Tip Spark Plug; 4 Pack; Plug Type 5IR6Y; 0.032 in. Plug Gap
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Sub Model Engine
• 2006 Cadillac STS Base  3.6L V6 

Bosch Spark Plug
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Sale Price: $2.98

Out of Stock
Part Number: 18643-05215667
Notes: PLATINUM
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 4.6L V8 VIN: A 

Champion Spark Plug
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Sale Price: $7.98

Out of Stock
Part Number: 18643-05277474
Notes: Champion Iridium -- Gap .044
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2006 Cadillac STS 3.6L V6 
• 2006 Cadillac STS 3.6L V6 

4.8 stars - (21 Reviews)
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