How to replace spark plugs on Chevrolet Equinox and GMC Terrain?

You will find Spark Plugs located threaded into the top (3.6L V6) or the side (3.4L V6) of each Cylinder Head, so remove the air intake duct for a 3.6L V6; otherwise, you can check it out from here! You will need specific tools including spark plug socket, extension, and gap gauge for adjusting the gaps as required. It is recommended not to start until the engine is completely cold. Examine new plugs for defects and adjust their gaps using a gauge whose measurements are provided in the gap specifications section. Carefully bend the side electrode without breaking off any porcelain insulator if required. Avoid scratching these platinum or iridium coatings on these electrodes. If your engine is a 3.6L V 6 take out ignition coils or rather untwist boots and pull them off since in case of having a 3.4 L V 6 engine remove spark plug wires by simply twisting and pulling off boots." Use compressed air around plugs in order to avoid any dirt falling into cylinders."Fit spark plug socket over plug to be removed, turn counterclockwise and then compare against chart supplied showing how engine should run." A thin coat of anti-seize compound should be applied before installing new plugs."Install a new plug into hole, thread it tight with torque wrench / ratchet using short piece rubber hose for assistance". Finally put back ignition coil or set spark plug wire on each other after you have done this process for all remaining spark plugs.

Genuine Chevrolet Equinox Spark Plug

Ignition Spark Plug

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8 Spark Plugs found

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Chevrolet Equinox Spark Plug Assembly, Gasoline Engine Ignition
Part Number: 12681660
$8.81 MSRP: $15.80
You Save: $6.99 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Spark Plug Assembly, Gas Eng Ign; Spark Plug
- Replaces: 12622561
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 Chevrolet Equinox | LT SUV, LTZ SUV | 6 Cyl 3.0L, 6 Cyl 3.6L
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Chevrolet Equinox Spark Plug Assembly, Gas Eng Ign
Part Number: 12681658
$8.81 MSRP: $15.80
You Save: $6.99 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Spark Plug
- Replaces: 12590701, 12617309, 12620540
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 Chevrolet Equinox | LS SUV, LT SUV, LTZ SUV | 4 Cyl 2.4L
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Chevrolet Equinox Spark Plug Assembly, Gas Eng Ign
Part Number: 12681664
$8.81 MSRP: $15.80
You Save: $6.99 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Spark Plug
- Replaces: 25330840, 12565030, 25161444, 12568387
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Chevrolet Equinox | SS SUV AWD, SS SUV FWD, SUV AWD, SUV FWD, SUV LT AWD, SUV LT FWD | 6 Cyl 3.4L
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Chevrolet Equinox Spark Plug Asm
Part Number: 19300872
$7.24 MSRP: $12.98
You Save: $5.74 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: SPARK PLUG,Glow; Spark Plug
- Replaces: 12597464, 92220447
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Chevrolet Equinox | SS SUV AWD, SS SUV FWD, SUV AWD, SUV FWD, SUV LT AWD, SUV LT FWD | 6 Cyl 3.6L
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Chevrolet Equinox Spark Plug Assembly, Gasoline Engine Ignition
Part Number: 12683541
$8.99 MSRP: $16.12
You Save: $7.13 (45%)
ADD TO CART
Product Specifications
- Other Name: Spark Plug Assembly, Gas Eng Ign; Spark Plug
- Replaces: 55490097
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2021 Chevrolet Equinox | 4 DOOR BASE (GMNA), 4 DOOR LT (GMNA), 4 DOOR LTZ (GMNA) | 4 Cyl 1.5L
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Chevrolet Equinox Glow Plug Asm
Part Number: 55596430
$27.60 MSRP: $49.50
You Save: $21.90 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: GLOW PLUG,Glow; Glow Plug
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019 Chevrolet Equinox | 4 DOOR LT (GMNA), 4 DOOR LTZ (GMNA) | 4 Cyl 1.6L Diesel
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Chevrolet Equinox Spark Plug Asm
Part Number: 19300875
$7.36 MSRP: $13.20
You Save: $5.84 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: SPARK PLUG,Glow; Spark Plug
- Replaces: 19158029, 19158033, 19208525, 19244468, 5614235, 05614248, 5614248, 19244463, 19207828, 05614235
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2006 Chevrolet Equinox | SUV AWD, SUV FWD, SUV LT AWD, SUV LT FWD | 6 Cyl 3.4L
View related parts
Chevrolet Equinox Spark Plug Assembly, Gasoline Engine Ignition
Part Number: 12681659
$8.81 MSRP: $15.80
You Save: $6.99 (45%)
ADD TO CART
Product Specifications
- Other Name: Spark Plug Assembly, Gas Eng Ign; Spark Plug
- Replaces: 12647827, 12626906
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 Chevrolet Equinox | 4 DOOR LT (GMNA), 4 DOOR LTZ (GMNA) | 4 Cyl 2.0L

Chevrolet Equinox Spark Plug Parts Questions & Experts Answers

Spark Plug Assembly, Gas Eng Ign
12681664
Q: How to replace spark plugs on Chevrolet Equinox and GMC Terrain?
A: You will find Spark Plugs located threaded into the top (3.6L V6) or the side (3.4L V6) of each Cylinder Head, so remove the air intake duct for a 3.6L V6; otherwise, you can check it out from here! You will need specific tools including spark plug socket, extension, and gap gauge for adjusting the gaps as required. It is recommended not to start until the engine is completely cold. Examine new plugs for defects and adjust their gaps using a gauge whose measurements are provided in the gap specifications section. Carefully bend the side electrode without breaking off any porcelain insulator if required. Avoid scratching these platinum or iridium coatings on these electrodes. If your engine is a 3.6L V 6 take out ignition coils or rather untwist boots and pull them off since in case of having a 3.4 L V 6 engine remove spark plug wires by simply twisting and pulling off boots." Use compressed air around plugs in order to avoid any dirt falling into cylinders."Fit spark plug socket over plug to be removed, turn counterclockwise and then compare against chart supplied showing how engine should run." A thin coat of anti-seize compound should be applied before installing new plugs."Install a new plug into hole, thread it tight with torque wrench / ratchet using short piece rubber hose for assistance". Finally put back ignition coil or set spark plug wire on each other after you have done this process for all remaining spark plugs.

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