How to replace spark plugs on 2005 Buick Rainier?

In order to change spark plugs, shut of the ignition and remove ignition coils. Wait until the engine cools then clean the spark plug. Check gap of new plugs and maintain specifications. Install the plugs and make sure they are appropriately seated and tightened and re-install the ignition coils.

OEM 2005 Buick Rainier Spark Plug

Ignition Spark Plug

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2 Spark Plugs found

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2005 Buick Rainier Spark Plug Part Number: 12681665
$9.22 MSRP: $16.46
You Save: $7.24 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Spark Plug Assembly-Gasoline Engine Ignition; Spark Plug, Spark Ignition; Spark Plug,Glow
- Replaced by: 12681664
- Replaces: 25162555, 12607234, 25315018, 25162556, 19256067, 89017883
- Item Weight: 1.10 Pounds
- Item Dimensions: 3.8 x 1.1 x 6.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12681665
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Buick Rainier Submodels:
- CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
View related parts
2005 Buick Rainier Spark Plug Part Number: 12681663
$9.22 MSRP: $16.46
You Save: $7.24 (44%)
ADD TO CART
Product Specifications
- Other Name: Spark Plug Assembly-Gasoline Engine Ignition; Spark Plug, Spark Ignition; Spark Plug,Glow
- Replaces: 12598004, 12625058
- Item Weight: 0.70 Pounds
- Item Dimensions: 3.8 x 3.4 x 0.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12681663
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Buick Rainier Submodels:
- CXL, CXL Plus | 6 Cyl 4.2 L GAS

2005 Buick Rainier Spark Plug

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2005 Buick Rainier Spark Plug Parts and Q&A

Q: How to replace spark plugs on 2005 Buick Rainier?
A: In order to change spark plugs, shut of the ignition and remove ignition coils. Wait until the engine cools then clean the spark plug. Check gap of new plugs and maintain specifications. Install the plugs and make sure they are appropriately seated and tightened and re-install the ignition coils.