Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Login/Register My Account Track Order Help Center Contact Us
Replacement and OEM Parts for 2005 Cadillac STS Spark Plugs & Wires

2005 Cadillac STS Spark Plugs & Wires

My Vehicle Change Vehicle
2005 Cadillac STS
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Engine & Drivetrain
  • Department
  • Part Type
  • Brands
  • Prices

25 products about 2005 Cadillac STS Spark Plugs & Wires found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM 2005 Cadillac STS Spark Plug Diagram - 19300872
    View Related Parts

    OEM (Genuine) 2005 Cadillac STS Spark Plug

    PartNumber: 19300872
    OEM 2005 Cadillac STS Spark Plug - 19300872
    Product Specifications
    • Notes: 3.6 Liter, 2nd Design
    • Other Names: Spark Plug
    • Item Dimensions: 4.6 x 3.8 x 1.2 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12597464, 92220447
    • Part Description: 2005 Cadillac STS Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | Base, Platinum | 6 Cyl 3.6 L GAS
    $7.18 MSRP: $12.98
    You Save: $5.80 (45%)
  • Denso Iridium TT™ Spark Plug for 2005 Cadillac STS - 4704

    Denso® Iridium TT™ Spark Plug for 2005 Cadillac STS

    PartNumber: 4704
    Product Specifications
    • Notes: Gap 0.040; Iridium TT - Ultimate Endurance & Pwr, 0.4mm Iridium & 0.7mm Platinum Twin-Tip Technology
    • Electrode Material: Iridium
    • Gap: .039" (1.0 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Twin-Tip
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Material: Nickel
    • Nominal Gap: 1 mm
    • Overall Height: ISO
    • Reach: 26.5 mm (1.04")
    • Seat Type: Gasket
    • Spark Plug Reach: 26.50 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511047044
    • Wrench Diameter: 16 mm
    • Part Description: 2005 Cadillac STS Iridium TT™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 6 Cyl 3.6L
    $7.25
  • Victor Reinz Spark Plug Tube Seal Set for 2005 Cadillac STS - 18-10035-01

    Victor Reinz® Spark Plug Tube Seal Set for 2005 Cadillac STS

    PartNumber: 18-10035-01
    Product Specifications
    • Colors: Color May Vary
    • Complete: Y
    • Contains Applications: Y
    • Inside Diameter: 1.340
    • Material: Molded Rubber And Metal
    • Outside Diameter: 2.170
    • Release Wave: 12/15/2017
    • Rim Shape: Round
    • Thickness: 0.410
    • UPC: 023913757311
    • Part Description: 2005 Cadillac STS Spark Plug Tube Seal Set
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 6 Cyl 3.6L
    $41.58
  • OEM 2005 Cadillac STS Spark Plug Diagram - 19301814
    View Related Parts

    OEM (Genuine) 2005 Cadillac STS Spark Plug

    PartNumber: 19301814
    OEM 2005 Cadillac STS Spark Plug - 19301814
    Product Specifications
    • Notes: 3.6 Liter, 1st Design
    • Item Dimensions: 4.5 x 4.0 x 1.3 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 19256624, 12565996
    • Part Description: 2005 Cadillac STS Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | Base | 6 Cyl 3.6 L GAS
    $9.04 MSRP: $16.34
    You Save: $7.30 (45%)
  • Denso Iridium Long-Life Spark Plug for 2005 Cadillac STS - 3421

    Denso® Iridium Long-Life Spark Plug for 2005 Cadillac STS

    PartNumber: 3421
    Product Specifications
    • Notes: Gap 0.044; Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) w/Platinum Ground Strap
    • Electrode Material: Iridium
    • Gap: .043" (1.1 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Chip
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Material: Nickel
    • Nominal Gap: 1.1 mm
    • Overall Height: ISO
    • Reach: 26.5 mm (1.04")
    • Seat Type: Gasket
    • Spark Plug Reach: 16.50 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511034211
    • Part Description: 2005 Cadillac STS Iridium Long-Life Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 6 Cyl 3.6L
    $7.28
  • Denso Iridium Power™ Spark Plug for 2005 Cadillac STS - 5344

    Denso® Iridium Power™ Spark Plug for 2005 Cadillac STS

    PartNumber: 5344
    Product Specifications
    • Notes: Gap 0.044; Iridium Pwr - Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
    • Electrode Material: Iridium
    • Gap: .043" (1.1 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Tapercut, U-Groove
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Material: Nickel
    • Nominal Gap: 1.1 mm
    • Overall Height: ISO
    • Reach: 26.5 mm (1.04")
    • Seat Type: Gasket
    • Spark Plug Reach: 26.50 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511053441
    • Wrench Diameter: 16 mm
    • Part Description: 2005 Cadillac STS Iridium Power™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 6 Cyl 3.6L
    $6.61
  • Denso Iridium TT™ Spark Plug for 2005 Cadillac STS - 4713

    Denso® Iridium TT™ Spark Plug for 2005 Cadillac STS

    PartNumber: 4713
    Product Specifications
    • Notes: Gap 0.040; Iridium TT - Ultimate Endurance & Pwr, 0.4mm Iridium & 0.7mm Platinum Twin-Tip Technology
    • Electrode Material: Iridium
    • Gap: .039" (1.0 mm)
    • Heat Range: 16
    • Hex Size: 5/8" (16 mm)
    • Nominal Gap: 1 mm
    • Overall Height: JIS
    • Reach: 18.00 mm
    • Seat Type: Tapered
    • Terminal Type: Solid
    • Thread Diameter: 14.00 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511047136
    • Part Description: 2005 Cadillac STS Iridium TT™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 8 Cyl 4.6L
    $6.61
  • Denso Double Platinum Spark Plug for 2005 Cadillac STS - 5091

    Denso® Double Platinum Spark Plug for 2005 Cadillac STS

    PartNumber: 5091
    Product Specifications
    • Notes: Gap 0.040; DENSO is OE Manufacturer / OE Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug w/Platinum Ground Strap
    • Electrode Material: Platinum
    • Gap: .039" (1.0 mm)
    • Heat Range: 16
    • Hex Size: 5/8" (16 mm)
    • Nominal Gap: 1 mm
    • Overall Height: JIS
    • Quantity: 1 Piece
    • Reach: 19 mm (3/4")
    • Seat Type: Tapered
    • Spark Plug Reach: 0.748"
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511050914
    • Part Description: 2005 Cadillac STS Double Platinum Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 8 Cyl 4.6L
    $5.64
  • Denso Iridium Power™ Spark Plug for 2005 Cadillac STS - 5325

    Denso® Iridium Power™ Spark Plug for 2005 Cadillac STS

    PartNumber: 5325
    Product Specifications
    • Notes: Gap 0.044; Iridium Pwr - Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
    • Electrode Material: Iridium
    • Gap: .043" (1.1 mm)
    • Heat Range: 16
    • Hex Size: 5/8" (16 mm)
    • Nominal Gap: 1.1 mm
    • OE Part Number: IT16
    • Overall Height: JIS
    • Reach: 18.00 mm
    • Seat Type: Tapered
    • Terminal Type: Solid
    • Thread Diameter: 14.00 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511053250
    • Part Description: 2005 Cadillac STS Iridium Power™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 8 Cyl 4.6L
    $5.96
  • Denso Platinum TT™ Spark Plug for 2005 Cadillac STS - 4506

    Denso® Platinum TT™ Spark Plug for 2005 Cadillac STS

    PartNumber: 4506
    Product Specifications
    • Notes: Gap 0.040; Platinum TT - Twin-Tip Technology Design w/Platinum Center Electrode & Titanium Enhanced Ground Strap
    • Electrode Material: Platinum
    • Gap: .039" (1.0 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Material: Nickel
    • Nominal Gap: 1 mm
    • Overall Height: ISO
    • Reach: 26.5 mm (1.04")
    • Seat Type: Gasket
    • Spark Plug Reach: 26.50 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511045064
    • Wrench Diameter: 16 mm
    • Part Description: 2005 Cadillac STS Platinum TT™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 6 Cyl 3.6L
    $5.12
  • Denso Original U-Groove Nickel Spark Plug for 2005 Cadillac STS - 3381

    Denso® Original U-Groove Nickel Spark Plug for 2005 Cadillac STS

    PartNumber: 3381
    Product Specifications
    • Notes: Gap 0.044; Resistor Plug w/Patented U-Groove Design
    • Center Electrode Core Material: Copper
    • Center Electrode Material: Nickel
    • Gap: 1.1 mm
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Heat Range: 20
    • Hex Size: 0.625"
    • Resistance: 5 kOhm
    • Spark Plug Seat Style: Gasket
    • Thread Diameter: 14 mm
    • Thread Reach: 26.5 mm
    • UPC: 042511033818
    • Part Description: 2005 Cadillac STS Original U-Groove Nickel Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 6 Cyl 3.6L
    $4.37
  • Denso Platinum TT™ Spark Plug for 2005 Cadillac STS - 4511

    Denso® Platinum TT™ Spark Plug for 2005 Cadillac STS

    PartNumber: 4511
    Product Specifications
    • Notes: Gap 0.040; Platinum TT - Twin-Tip Technology Design w/Platinum Center Electrode & Titanium Enhanced Ground Strap
    • Electrode Material: Platinum
    • Gap: .039" (1.0 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Heat Range: 16
    • Hex Size: 5/8" (16 mm)
    • Material: Nickel
    • Nominal Gap: 1 mm
    • Overall Height: JIS
    • Reach: 17.5 mm (.689")
    • Seat Type: Tapered
    • Spark Plug Reach: 18 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511045118
    • Wrench Diameter: 16 mm
    • Part Description: 2005 Cadillac STS Platinum TT™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 8 Cyl 4.6L
    $3.32
  • Denso Original U-Groove Nickel Spark Plug for 2005 Cadillac STS - 5022

    Denso® Original U-Groove Nickel Spark Plug for 2005 Cadillac STS

    PartNumber: 5022
    Product Specifications
    • Notes: Gap 0.032; Resistor Plug w/Patented U-Groove Design
    • Center Electrode Core Material: Copper
    • Center Electrode Material: Nickel
    • Gap: 0.032"
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Heat Range: 16
    • Hex Size: 0.625"
    • Resistance: 5 kOhm
    • Spark Plug Seat Style: Tapered
    • Thread Diameter: 0.551"
    • Thread Reach: 0.709"
    • UPC: 042511050228
    • Part Description: 2005 Cadillac STS Original U-Groove Nickel Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 8 Cyl 4.6L
    $1.84
  • OEM 2005 Cadillac STS Ignition Coil Diagram - 19418102
    View Related Parts

    OEM (Genuine) 2005 Cadillac STS Ignition Coil

    PartNumber: 19418102
    OEM 2005 Cadillac STS Ignition Coil - 19418102
    Product Specifications
    • Notes: 3.6 Liter; Sts, Sts-V; 3.6l
    • Other Names: Ignition Coil, Spark Plug
    • Item Dimensions: 8.9 x 3.9 x 3.3 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12613057, 12629037, 12583514
    • Part Description: 2005 Cadillac STS Ignition Coil
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | Base, Platinum | 6 Cyl 3.6 L GAS
    $99.61 MSRP: $187.96
    You Save: $88.35 (48%)
  • OEM 2005 Cadillac STS Spark Plug Diagram - 12571533
    View Related Parts

    OEM (Genuine) 2005 Cadillac STS Spark Plug

    PartNumber: 12571533
    OEM 2005 Cadillac STS Spark Plug - 12571533
    Product Specifications
    • Notes: 4.4 & 4.6 Liter
    • Item Dimensions: 5.2 x 4.0 x 1.4 inches
    • Item Weight: 0.60 Pounds
    • Part Description: 2005 Cadillac STS Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | Base | 8 Cyl 4.6 L GAS
  • Denso Iridium Tt™ Spark Plug for 2005 Cadillac STS - IKH20

    Denso® Iridium Tt™ Spark Plug for 2005 Cadillac STS

    PartNumber: IKH20
    Product Specifications
    • Notes: Gap 0.044; Iridium Pwr - Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Tapercut, U-Groove
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.044
    • Reach: 26.50
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511053441
    • Part Description: 2005 Cadillac STS Iridium Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 6 Cyl 3.6L
  • Denso Iridium Tt™ Spark Plug for 2005 Cadillac STS - IKH20TT

    Denso® Iridium Tt™ Spark Plug for 2005 Cadillac STS

    PartNumber: IKH20TT
    Product Specifications
    • Notes: Gap 0.040; Iridium TT - Ultimate Endurance & Pwr, 0.4mm Iridium & 0.7mm Platinum Twin-Tip Technology
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Twin-Tip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.040
    • Reach: 26.50
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511047044
    • Part Description: 2005 Cadillac STS Iridium Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 6 Cyl 3.6L
  • Denso Iridium Tt™ Spark Plug for 2005 Cadillac STS - IT16

    Denso® Iridium Tt™ Spark Plug for 2005 Cadillac STS

    PartNumber: IT16
    Product Specifications
    • Notes: Gap 0.044; Iridium Pwr - Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Tapercut, U-Groove
    • Hex Size: 16.0
    • Manufacturer Heat Range: 16
    • Pre-Gap Size: 0.044
    • Reach: 18.00
    • Resistance: 5000
    • Seat Type: Tapered
    • UPC: 042511053250
    • Part Description: 2005 Cadillac STS Iridium Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 8 Cyl 4.6L
  • Denso Iridium Tt™ Spark Plug for 2005 Cadillac STS - IT16TT

    Denso® Iridium Tt™ Spark Plug for 2005 Cadillac STS

    PartNumber: IT16TT
    Product Specifications
    • Notes: Gap 0.040; Iridium TT - Ultimate Endurance & Pwr, 0.4mm Iridium & 0.7mm Platinum Twin-Tip Technology
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Twin-Tip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 16
    • Pre-Gap Size: 0.040
    • Reach: 18.00
    • Resistance: 5000
    • Seat Type: Tapered
    • UPC: 042511047136
    • Part Description: 2005 Cadillac STS Iridium Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 8 Cyl 4.6L
  • Denso Original U-Groove™ Spark Plug for 2005 Cadillac STS - K20HR-U11

    Denso® Original U-Groove™ Spark Plug for 2005 Cadillac STS

    PartNumber: K20HR-U11
    Product Specifications
    • Notes: Gap 0.044; Resistor Plug w/Patented U-Groove Design
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Nickel
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.044
    • Reach: 26.50
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511033818
    • Part Description: 2005 Cadillac STS Original U-Groove™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 6 Cyl 3.6L
  • Denso Platinum Tt™ Spark Plug for 2005 Cadillac STS - PKH20TT

    Denso® Platinum Tt™ Spark Plug for 2005 Cadillac STS

    PartNumber: PKH20TT
    Product Specifications
    • Notes: Gap 0.040; Platinum TT - Twin-Tip Technology Design w/Platinum Center Electrode & Titanium Enhanced Ground Strap
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Platinum
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.040
    • Reach: 26.50
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511045064
    • Part Description: 2005 Cadillac STS Platinum Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 6 Cyl 3.6L
  • Denso Double Platinum™ Spark Plug for 2005 Cadillac STS - PT16EPR10

    Denso® Double Platinum™ Spark Plug for 2005 Cadillac STS

    PartNumber: PT16EPR10
    Product Specifications
    • Notes: Gap 0.040; DENSO is OE Manufacturer / OE Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug w/Platinum Ground Strap
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Platinum
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Chip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 16
    • Pre-Gap Size: 0.040
    • Reach: 19.00
    • Resistance: 5000
    • Seat Type: Tapered
    • UPC: 042511050914
    • Part Description: 2005 Cadillac STS Double Platinum™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 8 Cyl 4.6L
  • Denso Platinum Tt™ Spark Plug for 2005 Cadillac STS - PT16TT

    Denso® Platinum Tt™ Spark Plug for 2005 Cadillac STS

    PartNumber: PT16TT
    Product Specifications
    • Notes: Gap 0.040; Platinum TT - Twin-Tip Technology Design w/Platinum Center Electrode & Titanium Enhanced Ground Strap
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Platinum
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 16
    • Pre-Gap Size: 0.040
    • Reach: 18.00
    • Resistance: 5000
    • Seat Type: Tapered
    • UPC: 042511045118
    • Part Description: 2005 Cadillac STS Platinum Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 8 Cyl 4.6L
  • Denso Iridium Long-Life™ Spark Plug for 2005 Cadillac STS - SK20HR11

    Denso® Iridium Long-Life™ Spark Plug for 2005 Cadillac STS

    PartNumber: SK20HR11
    Product Specifications
    • Notes: Gap 0.044; Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) w/Platinum Ground Strap
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium-Rhodium Alloy
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Chip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.044
    • Reach: 26.50
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511034211
    • Part Description: 2005 Cadillac STS Iridium Long-Life™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 6 Cyl 3.6L
  • Denso Original U-Groove™ Spark Plug for 2005 Cadillac STS - T16EPR-U

    Denso® Original U-Groove™ Spark Plug for 2005 Cadillac STS

    PartNumber: T16EPR-U
    Product Specifications
    • Notes: Gap 0.032; Resistor Plug w/Patented U-Groove Design
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Nickel
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Hex Size: 16.0
    • Manufacturer Heat Range: 16
    • Pre-Gap Size: 0.032
    • Reach: 18.00
    • Resistance: 5000
    • Seat Type: Tapered
    • UPC: 042511050228
    • Part Description: 2005 Cadillac STS Original U-Groove™ Spark Plug
    More Info
    Vehicle Fitment
    • 2005 Cadillac STS | All Trims | 8 Cyl 4.6L