How to replace spark plugs in an engine on 2007 Cadillac XLR?

In order to change spark plugs, switch off ignition and remove ignition coil assemblies. The engine must also be allowed to cool after which the area around the spark plug can be cleaned. Check the spark plugs and install only the type. Before installation, check and align the gap making sure it is seated correctly. Re-fit and secure the spark plugs.

OEM 2007 Cadillac XLR Spark Plug

Ignition Spark Plug

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2 Spark Plugs found

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2007 Cadillac XLR Spark Plug Part Number: 12592619
$7.34 MSRP: $13.10
You Save: $5.76 (44%)
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Product Specifications
- Other Name: Spark Plug Assembly; Spark Plug,Glow
- Item Weight: 1.00 Pounds
- Item Dimensions: 6.5 x 3.6 x 0.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12592619
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2007 Cadillac XLR Submodels:
- V | 8 Cyl 4.4 L GAS
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2007 Cadillac XLR Spark Plug Part Number: 12571533
Product Specifications
- Item Weight: 0.70 Pounds
- Item Dimensions: 5.3 x 4.0 x 1.5 inches
- Condition: New
- SKU: 12571533
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2007 Cadillac XLR Submodels:
- Base, Platinum | 8 Cyl 4.6 L GAS

2007 Cadillac XLR Spark Plug

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2007 Cadillac XLR Spark Plug Parts and Q&A

Q: How to replace spark plugs in an engine on 2007 Cadillac XLR?
A: In order to change spark plugs, switch off ignition and remove ignition coil assemblies. The engine must also be allowed to cool after which the area around the spark plug can be cleaned. Check the spark plugs and install only the type. Before installation, check and align the gap making sure it is seated correctly. Re-fit and secure the spark plugs.