Cadillac CT6 Ignition & Spark Plugs
We stock Genuine OEM Cadillac Ignition & Spark Plugs for your Cadillac CT6. OEM ignition and spark plugs are designed specifically for your vehicle's engine, ensuring optimal performance and fuel efficiency. These parts are responsible for igniting the fuel in the combustion chamber, making them critical components of your engine's operation. By choosing OEM ignition and spark plugs, you can be confident in their quality and reliability, which can help extend the life of your engine and prevent potential damage or issues. Manufacturer's Warranty Included. Guaranteed Fit. Experts standing by.
2019-2020 Cadillac CT6 - Spark Plug Boot
GM
12689269
4.2L twin-turbo. Durable boot seal helps protect against moisture and contaminants
$18.38
MSRP $29.40
Save $11.02
37.5% Off 
2019-2024 GM - Spark Plug Boot Assembly
GM
55511557
2.0L turbo. Durable boot seal helps protect against moisture and contaminants
$9.83
MSRP $15.36
Save $5.53
36% Off 
2019-2020 Cadillac CT6 - Iridium Spark Plug
GM
12672175
4.2L twin-turbo. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components
Iridium...
$10.91
MSRP $17.04
Save $6.13
36% Off 
2016-2024 Cadillac - Iridium Spark Plug
GM
12650283
3.0L. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components
Iridium composition...
$11.19
MSRP $17.48
Save $6.29
36% Off 
2013-2023 GM - Iridium Spark Plug
GM
12681659
2.5L, 2.0L turbo, 2.0L turbo. Coupe, 2.0L turbo. Iridium is the latest in spark plug technology and is an exact replacement for...
$10.80
MSRP $16.88
Save $6.08
36% Off 
2016-2024 GM - Iridium Spark Plug
GM
12646780
Coupe, 3.6L without twin-turbo. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original...
$12.12
MSRP $18.94
Save $6.82
36% Off 
2019-2024 GM - Iridium Spark Plug
GM
55504354
2.0l. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components
Iridium composition...
$13.09
MSRP $20.94
Save $7.85
37.5% Off 
2013-2024 GM - Spark Plug Shield Seal
GM
12613249
1.3L turbo. Camaro. Spark plug hole seals. ATS. Spark plug shield seals. 2017-21 3.6L. inner #3. This GM Genuine Part is designed,...
$8.64
MSRP $11.84
Save $3.20
27% Off 
2013-2023 GM - Ignition Coil
GM
25202791
Envision. Acadia. 2.5l. Regal TourX. LaCrosse. 2.5l. Blazer. 2.5l. 2.0 & 2.5L. Traverse. 2.0l. High quality coated windings to improve...
$68.71
MSRP $123.80
Save $55.09
44.5% Off 
2019-2024 GM - Ignition Knock (Detonation) Sensor
GM
12663209
Silverado, sierra. 2.7l. 2.0L turbo, without retainer. CT4. 2.7L turbo, without retainer. Exc.Harness. XT5. 2.0l. 2.0L, #1. Acadia....
$5.33
MSRP $8.20
Save $2.87
35% Off 
2013-2025 GM - Ignition Knock (Detonation) Sensor
GM
12623095
Sends signals to the engine control module (ECM) to adjust timing
Helps prevent damage to the engine caused by pre-ignition
$26.50
MSRP $46.08
Save $19.58
42.5% Off 
2014-2024 GM - Ignition Lock Key Transmitter Antenna
GM
13580788
GM Genuine Parts Antennas have signal strength, clarity, and signal interference protection
Made with durable materials to help...
$34.58
MSRP $60.14
Save $25.56
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