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2005 Cadillac STS
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  • Brand
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  • Center Electrode Core Material
  • Center Electrode Tip Material
  • Classification
  • Electrical Terminal Type
  • Ground Configuration
  • Ground Electrode Core Material
  • Ground Electrode Quantity
  • Ground Electrode Tip Design
  • Ground Electrode Tip Material
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Diagram

Spark Plug

6747 Bosch
OE Fine Wire Platinum


Vehicle specific

Position

N/A

Qualifier

Original Center Electrode and Ground Electrode Material is Platinum | Do Not Gap, Gap is Preset

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$7.52
In stock
Item added to cart

8103 Bosch
OE Fine Wire Double Platinum


Vehicle specific

Position

N/A

Qualifier

Original Center Electrode and Ground Electrode Material is Platinum | Do Not Gap, Gap is Preset

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$9.53
In stock
Item added to cart

9606 Bosch
OE Fine Wire Double Iridium


Vehicle specific

Position

N/A

Qualifier

Original Center Electrode and Ground Electrode Material is Platinum | Do Not Gap, Gap is Preset

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$11.86
In stock
Item added to cart

9617 Bosch
OE Fine Wire Double Iridium


Vehicle specific

Position

N/A

Qualifier

Early Production | Original Center Electrode Material is Platinum | Do Not Gap, Gap is Preset

Quantity per vehicle

6

Fits on

  • Only submodels with ...
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   0  
$11.86
In stock
Item added to cart

HR7MPP302X Bosch
OE Fine Wire Platinum


Vehicle specific

Position

N/A

Qualifier

Early Production | Original Center Electrode Material is Platinum | Do Not Gap, Gap is Preset

Quantity per vehicle

6

Fits on

  • Only submodels with ...
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   0  
$12.26
Additional lead times may
apply for this item
Item added to cart

HR8NPP302 Bosch
OE Fine Wire Platinum


Vehicle specific

Position

N/A

Qualifier

Late Production | Original Center Electrode Material is Platinum | Do Not Gap, Gap is Preset

Quantity per vehicle

6

Fits on

  • Only submodels with ...
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   0  
$9.00
Additional lead times may
apply for this item
Item added to cart

3032 Champion
Platinum Power


Vehicle specific

Note

Plug Type RE10PMC5 Gap .044

Quantity per vehicle

6

Fits on

  • Only submodels with ...
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   0  
$7.03
In stock
Item added to cart

3401 Champion
Platinum Power


Vehicle specific

Note

Plug Type RS10PYC4 Gap .040

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$7.03
In stock
Item added to cart

401 Champion
Copper Plus


Vehicle specific

Note

Plug Type RS12YC Gap .040

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$4.65
In stock
Item added to cart

7963 Champion
Double Platinum Power


Vehicle specific

Note

Plug Type RS12PYPB5 Gap .040

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$12.01
In stock
Item added to cart

9204 Champion
Champion Iridium


Vehicle specific

Note

Plug Type RS12WYPB4 Gap .040

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$14.14
Additional lead times may
apply for this item
Item added to cart

9901 Champion
Champion Iridium


Vehicle specific

Note

Plug Type RE10WYPB5 Gap .044

Quantity per vehicle

6

Fits on

  • Only submodels with ...
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   0  
$14.14
In stock
Item added to cart
3381 | Spark Plug | Denso

3381 Denso
U-Groove Conventional


Vehicle specific

Note

Gap 0.044 Resistor Plug with Patented U-Groove Design

Quantity per vehicle

6

Fits on

  • Only submodels with ...
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   0  
$8.25
In stock
Item added to cart
3421 | Spark Plug | Denso

3421 Denso
Iridium Long Life


Vehicle specific

Note

Gap 0.044 Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap

Quantity per vehicle

6

Fits on

  • Only submodels with ...
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   0  
$15.25
In stock
Item added to cart
4506 | Spark Plug | Denso

4506 Denso
Platinum TT


Vehicle specific

Note

Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

Quantity per vehicle

6

Fits on

  • Only submodels with ...
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   0  
$9.94
In stock
Item added to cart
4511 | Spark Plug | Denso

4511 Denso
Platinum TT


Vehicle specific

Note

Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$6.44
In stock
Item added to cart
4704 | Spark Plug | Denso

4704 Denso
Iridium TT


Vehicle specific

Note

Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Quantity per vehicle

6

Fits on

  • Only submodels with ...
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   0  
$16.49
In stock
Item added to cart
4713 | Spark Plug | Denso

4713 Denso
Iridium TT


Vehicle specific

Note

Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$13.29
In stock
Item added to cart
5022 | Spark Plug | Denso

5022 Denso
U-Groove Conventional


Vehicle specific

Note

Gap 0.032 Resistor Plug with Patented U-Groove Design

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$3.63
Additional lead times may
apply for this item
Item added to cart
5091 | Spark Plug | Denso

5091 Denso
Double Platinum


Vehicle specific

Note

Gap 0.040 DENSO is O.E. Manufacturer / O.E. Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$11.96
Additional lead times may
apply for this item
Item added to cart
5325 | Spark Plug | Denso

5325 Denso
Iridium Power


Vehicle specific

Note

Gap 0.044 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$11.84
In stock
Item added to cart
5344 | Spark Plug | Denso

5344 Denso
Iridium Power


Vehicle specific

Note

Gap 0.044 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)

Quantity per vehicle

6

Fits on

  • Only submodels with ...
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   0  
$14.74
In stock
Item added to cart

3186 NGK
G-Power Spark Plug


Vehicle specific

Note

Part # TR5GP

Qualifier

Gap 0.040in

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$5.77
In stock
Item added to cart

3587 NGK
Laser Platinum Spark Plug


Vehicle specific

Note

Part # PLTR6A-10G OE Equivalent Design 160,000 km Factory Recommended Service Interval

Qualifier

Gap 0.040in

Quantity per vehicle

6

Fits on

  • Only submodels with ...
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   0  
$16.27
In stock
Item added to cart

3784 NGK
Laser Platinum Spark Plug


Vehicle specific

Note

Part # PTR5D-10 OE Equivalent Design 160,000 km Factory Recommended Service Interval

Qualifier

Gap 0.040in

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$16.27
In stock
Item added to cart

6509 NGK
Iridium IX Spark Plug


Vehicle specific

Note

Part # LTR6IX-11

Qualifier

Gap 0.040in

Quantity per vehicle

6

Fits on

  • Only submodels with ...
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   0  
$12.40
In stock
Item added to cart

7397 NGK
Iridium IX Spark Plug


Vehicle specific

Note

Part # TR5IX

Qualifier

Gap 0.040in

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$12.40
In stock
Item added to cart

90198 NGK
G-Power Spark Plug


Vehicle specific

Note

Part # LTR6GP

Qualifier

Gap 0.040in

Quantity per vehicle

6

Fits on

  • Only submodels with ...
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   0  
$8.43
In stock
Item added to cart

91276 NGK
Ruthenium HX High Ignitability Spark Plug


Vehicle specific

Note

Part # LTR6AHX

Qualifier

Gap 0.040in

Quantity per vehicle

6

Fits on

  • Only submodels with ...
    • V6   3.6L   3564CC   217CID   3.37 Inches   85.6 mm   0  
$17.14
In stock
Item added to cart

94567 NGK
Ruthenium HX High Ignitability Spark Plug


Vehicle specific

Note

Part # TR5AHX

Qualifier

Gap 0.040in

Quantity per vehicle

8

Fits on

  • Only submodels with ...
    • V8   4.6L   -CC   281CID   3.31 Inches   84.0 mm   0  
$17.14
In stock
Item added to cart

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