Cadillac Ct6 Spark Plugs (2016-2020) - Parts, Prices & Buying Guide

Find quality spark plugs for your Cadillac Ct6 (2016-2020). Browse 20 available listings with prices starting around $47.63. Reduced emissions.

20 listings available | Prices from $16.25 to $102.99|16 verified sellers

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Spark Plugs

Found 2681 listings for "cadillac ct6 spark plugs"

Set of 4 Iridium Spark Plug for 2013-2019 Cadillac ATS CT6 CTS 2.0L 94374 LTR6IX

Set of 4 Iridium Spark Plug for 2013-2019 Cadillac ATS CT6 CTS 2.0L 94374 LTR6IX

$21.69USD
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Seller: aa_auto_parts
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Set Of 4 Ceramic Iridium Spark Plugs For 2020-2023 Cadillac XT5 2.0L l4 94524

Set Of 4 Ceramic Iridium Spark Plugs For 2020-2023 Cadillac XT5 2.0L l4 94524

$16.25USD
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Seller: speedy-auto11
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NEW 8PK NGK Iridium IX Plug Spark Plugs 6510 LTR7IX-11 6510 LTR7IX11 CTS XTS CT6

NEW 8PK NGK Iridium IX Plug Spark Plugs 6510 LTR7IX-11 6510 LTR7IX11 CTS XTS CT6

$57.99USD
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Seller: equip_the_flip
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4x Iridium & Platinum Spark Plugs For 2019 Cadillac CT6 2.0L L4

4x Iridium & Platinum Spark Plugs For 2019 Cadillac CT6 2.0L L4

$18.19USD
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Seller: vap-autoparts
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Set Of 6 Iridium Spark Plugs GAP .030 AcDelco For Cadillac CT6 2016-2019 3.0L V6

Set Of 6 Iridium Spark Plugs GAP .030 AcDelco For Cadillac CT6 2016-2019 3.0L V6

$59.95USD
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Seller: partscontainer
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4PACK Ignition Coil and Spark Plugs for Cadillac ATS CT6 CTS Chevy Camaro UF680

4PACK Ignition Coil and Spark Plugs for Cadillac ATS CT6 CTS Chevy Camaro UF680

$52.83USD
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Seller: powerautohome
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4x Iridium & Platinum Spark Plugs for Buick Envision Cadillac CT4 CT5 CT6 XT5

4x Iridium & Platinum Spark Plugs for Buick Envision Cadillac CT4 CT5 CT6 XT5

$22.13USD
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Seller: total_autopart
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4X Ignition Coils & Spark Plugs for Buick Cadillac CTS CT6 Chevrolet GMC UF680

4X Ignition Coils & Spark Plugs for Buick Cadillac CTS CT6 Chevrolet GMC UF680

$42.31USD
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Seller: amoto_autoparts
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Set Of 4 Ceramic Iridium Spark Plugs For 2020-2023 Cadillac CT5 2.0L l4 94524

Set Of 4 Ceramic Iridium Spark Plugs For 2020-2023 Cadillac CT5 2.0L l4 94524

$19.99USD
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Seller: scdegr4
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Genuine NGK Iridium IX Spark Plug 6PCS Set for 2016-2023 Cadillac Chevy GMC 3.6L

Genuine NGK Iridium IX Spark Plug 6PCS Set for 2016-2023 Cadillac Chevy GMC 3.6L

$86.99USD
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Seller: greasemonkeyautoparts
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4 Pack NGK Ruthenium HX Spark Plugs 2017-2018 for Cadillac CT6 L4 2.0L

4 Pack NGK Ruthenium HX Spark Plugs 2017-2018 for Cadillac CT6 L4 2.0L

$58.77USD
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Seller: texansupply
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4 pc Champion Iridium Spark Plugs for 2016-2018 Cadillac CT6 2.0L L4 co

4 pc Champion Iridium Spark Plugs for 2016-2018 Cadillac CT6 2.0L L4 co

$34.04USD
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Seller: sixityauto
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4x Iridium & Platinum Spark Plugs For 2016-2018 Cadillac CT6 2.0L L4

4x Iridium & Platinum Spark Plugs For 2016-2018 Cadillac CT6 2.0L L4

$23.09USD
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Seller: vap-autoparts
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Set Of 4 Ceramic Iridium Spark Plugs For 2019-2023 Cadillac XT4 2.0L l4 94524

Set Of 4 Ceramic Iridium Spark Plugs For 2019-2023 Cadillac XT4 2.0L l4 94524

$16.99USD
New📍 US
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Seller: speedy-auto11
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Genuine NGK Laser Iridium Spark Plug 6PCS Set for 16-23 Cadillac Chevy GMC 3.6L

Genuine NGK Laser Iridium Spark Plug 6PCS Set for 16-23 Cadillac Chevy GMC 3.6L

$102.99USD
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Seller: partzhub_9
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4PACK Ignition Coil and Spark Plugs for Cadillac ATS CT6 CTS Chevy Camaro UF680

4PACK Ignition Coil and Spark Plugs for Cadillac ATS CT6 CTS Chevy Camaro UF680

$65.47USD
New📍 US
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Seller: scdegr_06
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Genuine NGK Iridium IX Spark Plug 6PCS Set for 2016-2023 Cadillac Chevy GMC 3.6L

Genuine NGK Iridium IX Spark Plug 6PCS Set for 2016-2023 Cadillac Chevy GMC 3.6L

$89.99USD
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Seller: goodtrust-autoparts
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UF680 4 Ignition Coils & 4 Spark Plugs for Buick Cadillac CTS CT6 Chevrolet GMC

UF680 4 Ignition Coils & 4 Spark Plugs for Buick Cadillac CTS CT6 Chevrolet GMC

$42.31USD
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Seller: cd_autoparts_88
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4 Pack NGK Iridium IX Spark Plugs 2017-2018 for Cadillac CT6 L4 2.0L

4 Pack NGK Iridium IX Spark Plugs 2017-2018 for Cadillac CT6 L4 2.0L

$61.77USD
New📍 US
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Seller: texansupply
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4 Pack NGK Ruthenium HX Spark Plugs 2015-2019 for Cadillac CTS L4 2.0L

4 Pack NGK Ruthenium HX Spark Plugs 2015-2019 for Cadillac CTS L4 2.0L

$58.77USD
New📍 US
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Seller: texansupply
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About Cadillac Ct6 Spark Plugs Parts

Ensure reliable ignition with quality spark plugs for your Cadillac Ct6. Spark plugs ignite the air-fuel mixture in your engine cylinders. Replace them according to your vehicle's maintenance schedule for optimal performance and fuel economy.

Why Shop Spark Plugs for Cadillac Ct6?

  • Genuine OEM and high-quality aftermarket options available
  • Competitive pricing from verified eBay sellers
  • Fast shipping options with buyer protection
  • Easy returns and seller ratings for peace of mind

Buying Tips for Cadillac Ct6 Spark Plugs

OEM vs Aftermarket

For your Cadillac Ct6, OEM parts guarantee exact fit and function. Quality aftermarket options often provide equivalent performance at lower cost.

Type Selection

Spark Plugs are available in Copper, Platinum, Double platinum options. Choose based on your driving style and budget.

Know When to Replace

Watch for these signs: Rough idle, Misfires, Poor acceleration. Early replacement prevents more expensive repairs.

Parts Availability

As an American manufacturer, parts are widely available from both OEM and aftermarket suppliers across North America.

Technical Information

Properly gapped spark plugs ensure efficient combustion, good fuel economy, and smooth engine operation.

Available Types

  • Copper
  • Platinum
  • Double platinum
  • Iridium

Key Benefits

  • Improved fuel efficiency
  • Smoother idle
  • Better acceleration
  • Reduced emissions

Warning Signs to Watch For

  • Rough idle
  • Misfires
  • Poor acceleration
  • Increased fuel consumption
  • Hard starting

Recommended Replacement Interval

Copper: 30,000 miles, Platinum: 60,000 miles, Iridium: 100,000 miles

Installation Information

Difficulty: Moderate
Estimated Time: 1-2 hours
DIY Friendly: Yes

This is a good DIY project for most skill levels.

Installation time may vary for Cadillac Ct6 based on engine bay layout and accessibility.

Frequently Asked Questions

How do I find the right spark plugs for my Cadillac Ct6?

Verify compatibility using your Cadillac Ct6's VIN number, production year (2016-2020), and engine code. Check seller compatibility charts and cross-reference OEM part numbers when possible.

How often should I replace spark plugs on my Cadillac Ct6?

General guideline: Copper: 30,000 miles, Platinum: 60,000 miles, Iridium: 100,000 miles. However, driving conditions (city vs highway, climate, towing) affect replacement frequency. Inspect regularly and replace when warning signs appear.

Should I use OEM or aftermarket spark plugs for my Cadillac Ct6?

OEM parts guarantee exact Cadillac specifications and fitment. Quality aftermarket brands often meet or exceed OEM standards at lower prices. For warranty vehicles, check if aftermarket parts affect coverage.

What are signs that my Cadillac Ct6 needs new spark plugs?

Common warning signs include: Rough idle, Misfires, Poor acceleration, Increased fuel consumption, Hard starting. If you notice any of these symptoms, inspect or replace the spark plugs promptly to prevent further damage.

Can I install spark plugs on my Cadillac Ct6 myself?

Yes, this is typically a moderate DIY job taking 1-2 hours. Always consult your owner's manual and follow proper safety procedures.