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2005 Cadillac CTS
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2005 Cadillac CTS

2005 Cadillac CTS Spark Plugs

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Platinum Series Spark Plug, Sold individually
Autolite®
Platinum Series Spark Plug, Sold individually
Part Number: ALTAP5245
Guaranteed to Fit
$2.99
Vehicle Fitment
  • 2005 Cadillac CTS V 8 Cyl 5.7L
Product Details
Notes : 4000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Standard Center Electrode Design; Long Projection Tip Configuration; Stud Electrical Terminal Type; Nickel Ground Electrode Core Material; Tapered Ground Electrode Tip Design; Nickel Ground Electrode Tip Material; Ceramic Insulator Material; Tapered Seat TypeSeries : Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 4-year Autolite limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 0.68 in. ReachGap Size : 0.04 in.Thread Size : 14 mm
Platinum Series Spark Plug, Sold individually
Autolite®
Platinum Series Spark Plug, Sold individually
Part Number: ALTAP5263
Guaranteed to Fit
$4.49
Vehicle Fitment
  • 2005 Cadillac CTS Base 6 Cyl 2.8L
  • 2005 Cadillac CTS Base 6 Cyl 3.6L
Product Details
Notes : 4000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Standard Center Electrode Design; Mid Projection Tip Configuration; Stud Electrical Terminal Type; Nickel Ground Electrode Core Material; Tapered Ground Electrode Tip Design; Nickel Ground Electrode Tip Material; Ceramic Insulator Material; Tapered Seat TypeSeries : Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 4-year Autolite limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 0.98 in. ReachGap Size : 0.04 in.Thread Size : 14 mm
Professional Platinum Series Spark Plug, Sold individually
AC Delco®
Professional Platinum Series Spark Plug, Sold individually
Part Number: AC41-990
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 2005 Cadillac CTS Base 6 Cyl 3.6L 2nd Design, Used On Vehicles With 41-990 12597464 Spark Plugs, For 1st Design See 12565996
Product Details
Notes : Gap pre-set at factory, do not re-gapSeries : Professional Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 7-year or unlimited mile AC Delco warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreGap Size : 0.043 in.
Iridium XP Series Spark Plug, Sold individually
Autolite®
Iridium XP Series Spark Plug, Sold individually
Part Number: ALTXP5263
Guaranteed to Fit
$5.99
Vehicle Fitment
  • 2005 Cadillac CTS Base 6 Cyl 2.8L
  • 2005 Cadillac CTS Base 6 Cyl 3.6L
Product Details
Notes : 4000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Fine Wire Center Electrode Design; Mid Projection Tip Configuration; Stud Electrical Terminal Type; Nickel Ground Electrode Core Material; Tapered Ground Electrode Tip Design; Platinum Ground Electrode Tip Material; Ceramic Insulator Material; Tapered Seat TypeSeries : Iridium XP SeriesElectrode Tip Material : Iridium Electrode TipQuantity Sold : Sold individuallyWarranty : Lifetime Autolite limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 0.98 in. ReachGap Size : 0.04 in.Thread Size : 14 mm
Iridium XP Series Spark Plug, Sold individually
Autolite®
Iridium XP Series Spark Plug, Sold individually
Part Number: ALTXP5245
Guaranteed to Fit
$6.49
Vehicle Fitment
  • 2005 Cadillac CTS V 8 Cyl 5.7L
Product Details
Notes : 4000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Fine Wire Center Electrode Design; Long Projection Tip Configuration; Stud Electrical Terminal Type; Nickel Ground Electrode Core Material; Tapered Ground Electrode Tip Design; Platinum Ground Electrode Tip Material; Ceramic Insulator Material; Tapered Seat TypeSeries : Iridium XP SeriesElectrode Tip Material : Iridium Electrode TipQuantity Sold : Sold individuallyWarranty : Lifetime Autolite limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 0.68 in. ReachGap Size : 0.04 in.Thread Size : 14 mm
Professional Platinum Series Spark Plug, Sold individually
AC Delco®
Professional Platinum Series Spark Plug, Sold individually
Part Number: AC41-988
Guaranteed to Fit
$13.99
Vehicle Fitment
  • 2005 Cadillac CTS Base 6 Cyl 2.8L Original Equipment, Gap .040
  • 2005 Cadillac CTS Base 6 Cyl 3.6L 1st Design, Used On Veh W/41-988 12565996 Spk Plugs)(For 2nd Des See 12597464, Original Equipment, Gap .044
Product Details
Series : Professional Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 7-year or unlimited mile AC Delco warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreGap Size : OE Replacement
Professional Platinum Series Spark Plug, Set of 6
AC Delco®
Professional Platinum Series Spark Plug, Set of 6
Part Number: SET-AC41-988-6
Guaranteed to Fit
$51.99
Vehicle Fitment
  • 2005 Cadillac CTS Base 6 Cyl 2.8L Original Equipment, Gap .040
  • 2005 Cadillac CTS Base 6 Cyl 3.6L 1st Design, Used On Veh W/41-988 12565996 Spk Plugs)(For 2nd Des See 12597464, Original Equipment, Gap .044
Product Details
Series : Professional Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 6Warranty : 7-year or unlimited mile AC Delco warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreGap Size : OE Replacement
Professional Platinum Series Spark Plug, Sold individually
AC Delco®
Professional Platinum Series Spark Plug, Sold individually
Part Number: AC41-814
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 2005 Cadillac CTS Base 6 Cyl 2.8L Gap .044
  • 2005 Cadillac CTS Base 6 Cyl 3.6L Gap .044
Product Details
Series : Professional Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 7-year or unlimited mile AC Delco warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreGap Size : OE Replacement
Professional Platinum Series Spark Plug, Set of 6
AC Delco®
Professional Platinum Series Spark Plug, Set of 6
Part Number: SET-AC41-814-6
Guaranteed to Fit
$49.49
Vehicle Fitment
  • 2005 Cadillac CTS Base 6 Cyl 2.8L Gap .044
  • 2005 Cadillac CTS Base 6 Cyl 3.6L Gap .044
Product Details
Series : Professional Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 6Warranty : 7-year or unlimited mile AC Delco warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreGap Size : OE Replacement
Professional Conventional Series Spark Plug, Sold individually
AC Delco®
Professional Conventional Series Spark Plug, Sold individually
Part Number: ACR44LTSM
Guaranteed to Fit
$2.99
Vehicle Fitment
  • 2005 Cadillac CTS V 8 Cyl 5.7L FI
Product Details
Notes : 5/8 in. hex size; Tapered seat styleSeries : Professional Conventional SeriesSpark Plug Code : R44LTSMElectrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 17.55 mm ReachGap Size : 0.06 in.Thread Size : 14 mm thread size
Professional Conventional Series Spark Plug, Set of 8
AC Delco®
Professional Conventional Series Spark Plug, Set of 8
Part Number: SET-ACR44LTSM-8
Guaranteed to Fit
$26.49
Vehicle Fitment
  • 2005 Cadillac CTS V 8 Cyl 5.7L FI
Product Details
Series : Professional Conventional SeriesSpark Plug Code : R44LTSMElectrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Set of 8Warranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 17.55 mm ReachGap Size : 0.06 in.Thread Size : 14 mm thread size
Iridium TT Series Spark Plug, Sold individually
Denso®
Iridium TT Series Spark Plug, Sold individually
Part Number: NP4719
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 2005 Cadillac CTS Base 6 Cyl 2.8L
  • 2005 Cadillac CTS Base 6 Cyl 3.6L
Product Details
Notes : 16 mm Hex Size; (1) Ground Electrode; Tapered Seat Type; Platinum Twin-Tip Ground Electrode Tip Design; Twin-Tip ConfigurationSeries : Iridium TT SeriesElectrode Tip Material : Iridium-Rhodium Alloy Electrode TipQuantity Sold : Sold individuallyWarranty : 1-year or 12,000-mile Denso limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Nickel Copper Alloy Electrode CoreReach : 24.9 mm ReachGap Size : 0.04 in.Recommended Use : OE ReplacementHeat Range : 20Thread Size : 0.55 in.
Professional Conventional Series Spark Plug, Sold individually
AC Delco®
Professional Conventional Series Spark Plug, Sold individually
Part Number: ACMR43LTS
Guaranteed to Fit
$2.99
Vehicle Fitment
  • 2005 Cadillac CTS V 8 Cyl 5.7L
Product Details
Notes : 0.67 in. Thread Reach; 16 mm Hex Size; 2500-12000 Ohms Resistance; (1) Ground Electrode; Nickel Ground Electrode Tip; Tapered Seat TypeSeries : Professional Conventional SeriesSpark Plug Code : MR43LTSElectrode Tip Material : Nickel alloy Electrode TipReplaces OE Number : 5614210, 19355201Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 18 mm ReachGap Size : 1.14 mmInterchange Part Number : 5614210, 19355201Heat Range : 3Thread Size : 14 mm thread size
Professional Conventional Series Spark Plug, Set of 8
AC Delco®
Professional Conventional Series Spark Plug, Set of 8
Part Number: SET-ACMR43LTS-8
Guaranteed to Fit
$26.99
Vehicle Fitment
  • 2005 Cadillac CTS V 8 Cyl 5.7L
Product Details
Series : Professional Conventional SeriesSpark Plug Code : MR43LTSElectrode Tip Material : Nickel alloy Electrode TipReplaces OE Number : 5614210, 19355201Quantity Sold : Set of 8Warranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 18 mm ReachGap Size : 1.14 mmInterchange Part Number : 5614210, 19355201Heat Range : 3Thread Size : 14 mm thread size
RapidFire Performance Platinum Series Spark Plug, Sold individually
AC Delco®
RapidFire Performance Platinum Series Spark Plug, Sold individually
Part Number: AC17
Guaranteed to Fit
$12.99
Vehicle Fitment
  • 2005 Cadillac CTS Base 6 Cyl 3.6L
  • 2005 Cadillac CTS Base 6 Cyl 2.8L
Product Details
Notes : Single platinum electrode configurationSeries : RapidFire Performance Platinum SeriesSpark Plug Code : 17Electrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 3 year, unlimited-mileage AC Delco warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreGap Size : OE Replacement
Page 1 of 5 | Showing 1 - 15 of 63 results

Top Rated Products

AC Delco Professional Platinum Series Spark Plug, Set of 6
$51.99( Review)
No issues with the spark plugs
Michael M.
VERIFIED PURCHASER
Autolite Platinum Series Spark Plug, Sold individually
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Good plugs and fast shipping
Timothy M.
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AC Delco Professional Conventional Series Spark Plug, Sold individually
$2.99( Review)
Amazing Product 🤙
Siaosi S.
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Popular Products

Product Questions & Answers

AC Delco Professional Conventional Series Spark Plug, Set of 8
$26.99
Q:Will These spark plugs fit my 2001 Chevy Silverado with the 5.3 v8?
Mike T.
A:BEST ANSWERHi Mike, I'm glad to assist you. Yes, they will. Click on the link below for direct ordering to take advantage of our limited stocks. I hope this helps, and happy shopping. https://www.carparts.com/spark-plug/ac-delco/set-acmr43lts-8?can=CPAE1047_CSQA_20230903 Show less
Arnel E.
 
1 Question, 1 AnswerView all Q&As >
AC Delco RapidFire Performance Platinum Series Spark Plug, Sold individually
$12.99
Q:Are these pre gapped and if not then what should the gap be?
Joshua J.
A:BEST ANSWERHi Joshua, thank you for reaching out. Yes, they are. You can use this link to go back to the item page and continue ordering the part at 61% off the regular price today: https://www.carparts.com/spark-plug/ac-delco/ac17?can=CPAP3648_CSQA_20221017 I hope this helps. Happy shopping. Show less
Aldrin P.
 
4 Questions, 1 AnswerView all Q&As >

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