How to replace the ignition coil on Chevrolet Trailblazer?

Begin ignition coil replacement by removing the air cleaner outlet resonator. Begin by disconnecting ignition coil connectors from both ignition coils while removing their retaining bolts. The next step involves eliminating the ignition coils from their installation inside the engine compartment. Before installing the ignition coil make sure ignition coil seals fit properly into the valve cover. Insert the ignition coil retaining bolts then secure them with a torque of 10 Nm (89 lb in). Reconnect the ignition coil connectors and then reinstall the air cleaner outlet resonator.

OEM Chevrolet Trailblazer Ignition Coil

Ignition Coil Resistor

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6 Ignition Coils found

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Chevrolet Trailblazer Ignition Coil Part Number: 12699382
$79.39 MSRP: $163.16
You Save: $83.77 (52%)
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Product Specifications
- Other Name: Coil Assembly-Ignition; Ignition Module; Coil; Coil, Ignition Coil
- Replaced by: 12739916
- Replaces: 12573190
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2009 Chevrolet Trailblazer | Base, LS, LT, SS | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Ignition Coil Part Number: 12629472
$44.47 MSRP: $91.40
You Save: $46.93 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Coil, Ignition; Ignition Control Module; Direct Ignition Coil; Ignition Module; Coil, Ignition Coil
- Replaced by: 19421261
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2009 Chevrolet Trailblazer | Base, LS, LT | 6 Cyl 4.2 L GAS
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Chevrolet Trailblazer Ignition Coil Part Number: 12611424
$79.39 MSRP: $163.16
You Save: $83.77 (52%)
ADD TO CART
Product Specifications
- Other Name: Coil, Ignition; Direct Ignition Coil; Coil; Coil, Ignition Coil
- Replaced by: 12739916
- Replaces: 12570616
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2009 Chevrolet Trailblazer | Base, LS, LT, SS | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Ignition Coil Part Number: 55595166
$51.81 MSRP: $92.51
You Save: $40.70 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Coil Assembly-Ignition; Coil, Ignition Coil
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | L, LS, LT | 3 Cyl 1.2 L GAS
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Chevrolet Trailblazer Ignition Coil Part Number: 12705399
$44.64 MSRP: $79.72
You Save: $35.08 (44%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Coil Assembly-Ignition; Coil, Ignition Coil
- Replaced by: 12710878
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Ignition Coil Part Number: 12698941
$18.38 MSRP: $28.78
You Save: $10.40 (37%)
Product Specifications
- Other Name: Coil Assembly-Ignition; Coil, Ignition Coil
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2022 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS

Chevrolet Trailblazer Ignition Coil

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Basically, the Chevrolet Trailblazer Ignition Coil is one of the most important parts that contributes greatly to the ignition of a car. It connects the primary to the secondary circuit, in which it steps up the low voltage received from the battery to a high voltage required to ignite the air/fuel mixture in the cylinders. As a general rule, the setup includes two single layers of electric copper wire insulated and forming the primary and the secondary coils in a housing containing the iron core. Depending on the sort of the ignition system, the coil will employ terminals on the housing or will be soldered directly to every spark plug in the COP arrangements. The ignition coil can fail and create a no-start condition or contribute to rough idle, poor power, and economy. Having the ignition coil of Chevrolet Trailblazer checked and maintained as often as possible will help in its proper working.

Chevrolet Trailblazer Ignition Coil Parts Questions & Experts Answers

Ignition Coil
12629472
Q: How to replace the ignition coil on Chevrolet Trailblazer?
A:
Begin ignition coil replacement by removing the air cleaner outlet resonator. Begin by disconnecting ignition coil connectors from both ignition coils while removing their retaining bolts. The next step involves eliminating the ignition coils from their installation inside the engine compartment. Before installing the ignition coil make sure ignition coil seals fit properly into the valve cover. Insert the ignition coil retaining bolts then secure them with a torque of 10 Nm (89 lb in). Reconnect the ignition coil connectors and then reinstall the air cleaner outlet resonator.