How to replace a spark plug on 2008 GMC Sierra 1500?

In order to substitute the spark plug, strip the wire boot, and pull it off. Loose the spark plug and clean around it and put removed plugs in a identified tray. Make sure that the washer is in place, inspect the opening, and place the plug manually and then tighten it. Before reinstallation, apply dielectric grease on the wire boots.

OEM 2008 GMC Sierra 1500 Spark Plug

Ignition Spark Plug

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2 Spark Plugs found

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2008 GMC Sierra 1500 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 2008 GMC Sierra 1500 Submodels:
- Denali, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
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2008 GMC Sierra 1500 Glow Plug Part Number: 12639701
$25.20 MSRP: $45.00
You Save: $19.80 (44%)
ADD TO CART
Product Specifications
- Other Name: Glow Plug, Glow; Diesel Glow Plug; Glow Plug, Spark Ignition
- Replaces: 97364968
- Item Weight: 0.40 Pounds
- Item Dimensions: 6.5 x 1.0 x 1.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 8
- SKU: 12639701
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Sierra 1500 Submodels:
- Denali, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS

2008 GMC Sierra 1500 Spark Plug

With a comprehensive array of OEM 2008 GMC Sierra 1500 Spark Plug, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2008 GMC Sierra 1500 Spark Plug are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2008 GMC Sierra 1500 Spark Plug Parts and Q&A

Q: How to replace a spark plug on 2008 GMC Sierra 1500?
A: In order to substitute the spark plug, strip the wire boot, and pull it off. Loose the spark plug and clean around it and put removed plugs in a identified tray. Make sure that the washer is in place, inspect the opening, and place the plug manually and then tighten it. Before reinstallation, apply dielectric grease on the wire boots.