How to service and repair spark plugs on 2003 Chevrolet Express 3500?

In order to service and repair the spark plugs, remove the wires, first loosen each plug. Wipe the dirt around them, and then take each of them away, one at a time, and put it in a tray, with the number of the cylinder on it. Make sure all washers are installed properly, check the gap and hand start the plugs then tighten.

OEM 2003 Chevrolet Express 3500 Spark Plug

Ignition Spark Plug

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2003 Chevrolet Express 3500 Spark Plug Part Number: 19299585
$7.71 MSRP: $13.76
You Save: $6.05 (44%)
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Product Specifications
- Other Name: Spark Plug, Spark Ignition
- Item Weight: 0.70 Pounds
- Item Dimensions: 4.4 x 3.7 x 1.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 8
- SKU: 19299585
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Express 3500 Submodels:
- Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS

2003 Chevrolet Express 3500 Spark Plug

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2003 Chevrolet Express 3500 Spark Plug Parts and Q&A

Q: How to service and repair spark plugs on 2003 Chevrolet Express 3500?
A: In order to service and repair the spark plugs, remove the wires, first loosen each plug. Wipe the dirt around them, and then take each of them away, one at a time, and put it in a tray, with the number of the cylinder on it. Make sure all washers are installed properly, check the gap and hand start the plugs then tighten.