How to replace spark plugs on 2002 Chevrolet Avalanche 2500?

Replacing the spark plugs requires first taking out the wires and loosening every plug. Wipe around the plugs then remove them and put them in trays with labels of the cylinder numbers. Check the correct positioning of the washer and check the gap. And lastly, reconnect the spark plug wires.

OEM 2002 Chevrolet Avalanche 2500 Spark Plug

Ignition Spark Plug

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2 Spark Plugs found

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2002 Chevrolet Avalanche 2500 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 2002 Chevrolet Avalanche 2500 Submodels:
- Base, LS, LT | 8 Cyl 8.1 L GAS
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2002 Chevrolet Avalanche 2500 Glow Plug Part Number: 97226202
$19.63 MSRP: $35.06
You Save: $15.43 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Glow Plug, Spark Ignition
- Item Weight: 0.40 Pounds
- Item Dimensions: 7.7 x 5.1 x 0.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 8
- SKU: 97226202
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2002 Chevrolet Avalanche 2500 Submodels:
- Base | 8 Cyl 8.1 L GAS

2002 Chevrolet Avalanche 2500 Spark Plug

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2002 Chevrolet Avalanche 2500 Spark Plug Parts and Q&A

Q: How to replace spark plugs on 2002 Chevrolet Avalanche 2500?
A: Replacing the spark plugs requires first taking out the wires and loosening every plug. Wipe around the plugs then remove them and put them in trays with labels of the cylinder numbers. Check the correct positioning of the washer and check the gap. And lastly, reconnect the spark plug wires.