How to replace spark plugs on 2008 Chevrolet Express 3500?

Take off the Spark Plug Wires first and gently loosen each Spark Plug 1 or 2 turns. Clean around the spark plugs using a brush or compressed air, then take out each Spark Plug one by one and put it in a tray that has the cylinder number marked. After that, put the Spark Plug washers in place and check the gaps, altering them so that each gap is 1.524 mm (0.060 in). Put the spark plugs into their proper cylinders and tighten them using the specifications below: for used heads, tighten to 15 n.m (11 lb ft); tighten the spark plugs to 15 n.m (11 put the Spark Plug Wires back on the spark plugs.

OEM 2008 Chevrolet Express 3500 Spark Plug

Ignition Spark Plug

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2008 Chevrolet Express 3500 Spark Plug
Part Number: 19417055
$9.53 MSRP: $17.02
You Save: $7.49 (45%)
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
- Item Dimensions: 4.3 x 3.6 x 1.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 8
- SKU: 19417055
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 Chevrolet Express 3500 Submodels:
- Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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2008 Chevrolet Express 3500 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 Chevrolet Express 3500 Submodels:
- Base, LS, LT | 8 Cyl 6.6 L DIESEL

2008 Chevrolet Express 3500 Spark Plug

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2008 Chevrolet Express 3500 Parts Questions & Experts Answers

Q: How to replace spark plugs on 2008 Chevrolet Express 3500?
A: Take off the Spark Plug Wires first and gently loosen each Spark Plug 1 or 2 turns. Clean around the spark plugs using a brush or compressed air, then take out each Spark Plug one by one and put it in a tray that has the cylinder number marked. After that, put the Spark Plug washers in place and check the gaps, altering them so that each gap is 1.524 mm (0.060 in). Put the spark plugs into their proper cylinders and tighten them using the specifications below: for used heads, tighten to 15 n.m (11 lb ft); tighten the spark plugs to 15 n.m (11 put the Spark Plug Wires back on the spark plugs.