How to replace spark plugs in an engine on 2007 Buick Terraza?

Spark plugs must be replaced when the engine is cooled off and the recess area cleaned to avoid contamination. Use the recommended spark plugs as using wrong types can damage the engine. Do not install plugs unless you have removed the necessary access components, disconnected spark plug wires and checked the gap of new plugs. After that, reconnect all of the components.

OEM 2007 Buick Terraza Spark Plug

Ignition Spark Plug

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2007 Buick Terraza Spark Plug Part Number: 12681662
$11.36 MSRP: $20.28
You Save: $8.92 (44%)
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Product Specifications
- Other Name: Spark Plug, Spark Ignition; Spark Plug,Glow
- Replaces: 12591131
- Item Weight: 0.70 Pounds
- Item Dimensions: 3.5 x 3.4 x 0.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 6
- SKU: 12681662
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2007 Buick Terraza Submodels:
- CX, CXL | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS

2007 Buick Terraza Spark Plug

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2007 Buick Terraza Spark Plug Parts and Q&A

Q: How to replace spark plugs in an engine on 2007 Buick Terraza?
A: Spark plugs must be replaced when the engine is cooled off and the recess area cleaned to avoid contamination. Use the recommended spark plugs as using wrong types can damage the engine. Do not install plugs unless you have removed the necessary access components, disconnected spark plug wires and checked the gap of new plugs. After that, reconnect all of the components.