How to replace the ignition coil on GMC Terrain?

Start by removing the cover from the intake manifold before replacing an Ignition Coil. Preparation starts by disconnecting the engine wiring harness electrical connectors from the Ignition Coil(s) and removing Ignition Coil bolt(s) to allow Ignition Coil(s) removal. Install the Ignition Coil(s) according to safe fastener procedures after position placement. Insert the engine wiring harness electrical connectors back to the Ignition Coil(s). After this, install the Ignition Coil bolt(s) using a torques setting of 10 nm (89 lb in). Reinstall the intake manifold cover.

OEM GMC Terrain Ignition Coil

Ignition Coil Resistor

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4 Ignition Coils found

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GMC Terrain Ignition Coil Part Number: 25202791
$58.77 MSRP: $120.78
You Save: $62.01 (52%)
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Product Specifications
- Other Name: Coil Assembly-Ignition; Coil, Ignition Coil
- Replaces: 12654078, 12687140, 12652405
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 GMC Terrain | Denali, SLE, SLT | 4 Cyl 2.0 L GAS
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GMC Terrain Ignition Coil, Green Line Part Number: 12638824
$43.33 MSRP: $76.08
You Save: $32.75 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Coil Assembly-Ignition; Direct Ignition Coil; Coil; Coil, Ignition Coil
- Replaced by: 25206788
- Replaces: 12629646, 12578224
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | Denali, SL, SLE, SLT | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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GMC Terrain Ignition Coil Part Number: 12632479
$64.62 MSRP: $115.40
You Save: $50.78 (44%)
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Product Specifications
- Other Name: Coil, Ignition; Direct Ignition Coil; Coil On Plug Coil; Coil, Ignition Coil
- Replaces: 12590990, 12610626, 12618542
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | Denali, SLE, SLT | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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GMC Terrain Ignition Coil Part Number: 25203537
$36.38 MSRP: $59.93
You Save: $23.55 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Coil Assembly-Ignition; Coil, Ignition Coil
- Replaced by: 25205340
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 GMC Terrain | AT4, Denali, SL, SLE, SLT | 4 Cyl 1.5 L GAS

GMC Terrain Ignition Coil

Want to cut long-term maintenance and repair costs? Choose OEM Ignition Coil. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine GMC Terrain parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM GMC Terrain Ignition Coil includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

The Ignition Coil in GMC Terrain vehicles is correct in transferring the low voltage from the battery into high voltage required to cause combustion of the fuel in the combustion chambers. This component is the tying point between the primary and secondary circuits in the ignition system; the primary winding comes from the battery and triggering tool, while the secondary winding produces the high voltage necessary for spark plugs. Depending on the vehicle model, GMC Terrain ignition coils can be of distributor ignition coil type, coil-on-plug ignition coil type, or wasted spark ignition coil type; every of them will employ its specific method for providing electrical voltage to the spark plugs. The primary duty of the ignition coil is to provide the spark plugs with the required voltage to ignite the fuel, any issue with the ignition coil means that the engine will be starved of spark resulting in; efficiency loss, slow acceleration and poor fuel efficiency thus it is crucial for this part to be checked as frequently as possible.

GMC Terrain Ignition Coil Parts and Q&A

Ignition Coil, Green Line
12638824
Q: How to replace the ignition coil on GMC Terrain?
A:
Start by removing the cover from the intake manifold before replacing an Ignition Coil. Preparation starts by disconnecting the engine wiring harness electrical connectors from the Ignition Coil(s) and removing Ignition Coil bolt(s) to allow Ignition Coil(s) removal. Install the Ignition Coil(s) according to safe fastener procedures after position placement. Insert the engine wiring harness electrical connectors back to the Ignition Coil(s). After this, install the Ignition Coil bolt(s) using a torques setting of 10 nm (89 lb in). Reinstall the intake manifold cover.