How to replace the spark plugs on Chevrolet Silverado?

To change the spark plugs in your vehicle, you will need some important tools like a ratchet, socket for spark plug, various extensions and gap gauge appropriate for gap adjustment. Though a specific plug wire removal tool is available, it is not required. Ensure you have a torque wrench to fit the new spark plugs tightly. The first step involves allowing the engine to cool off completely and then checking the new plugs for any defect as well as making sure that their gaps are adjusted using a gap gauge if necessary. The gap must match with the specification on Emissions Control Information Label. Remove one spark plug wire at a time by only holding and pulling on its rubber boot or by using the plug wire removal tool if needed. If there is compressed air available, blow out any debris around the spark plug hole to avoid contamination. A spark plug socket has to be used to remove the old spark plug turning it counterclockwise. Reviewing the old spark plugs helps determine an engine's state of affairs. Thinly coat threads of new plugs with anti-seize compound before installing them. Using your hands screw in a new one until it becomes impossible to turn any further then tighten using a torque wrench or ratchet. In situations where reaching plugs poses difficulty use short lengths of rubber tubing as threading tools. Lastly, connect each wire from the plug wires by twisting and then turn until it is locked into place and repeat this process moving on to another one at a time so that none of these wires get mixed up.

Genuine Chevrolet Silverado Spark Plug

Ignition Spark Plug

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18 Spark Plugs found

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Chevrolet Silverado Spark Plug Assembly, Gasoline Engine Ignition
Part Number: 12680072
$9.05 MSRP: $16.46
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Product Specifications
- Other Name: Spark Plug Assembly, Gas Eng Ign; Spark Plug
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2019 Chevrolet Silverado | 2500 CREW CAB STANDARD BOX, 2500 REGULAR (CAB ONLY), 2500 REGULAR CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR (CAB ONLY), 3500 REGULAR CAB, CREW CAB 2500 LONG BOX, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX | 8 Cyl 6.0L, 8 Cyl 6.0L Flex
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Chevrolet Silverado Spark Plug Assembly
Part Number: 12622441
$9.28 MSRP: $16.88
You Save: $7.60 (46%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: SPARK PLUG, Spark Ignition; Spark Plug
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2024 Chevrolet Silverado | 1 TON CREW CAB 6'6" BOX 1 TON, CREW CAB 1 TON CHASSIS 137.0, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1 TON 119.0, CREW CAB 6'6" BOX 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB 8' BOX 3/4 TON | 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl5.3L
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Chevrolet Silverado SPARK PLUG ASM,GAS ENG IGN
Part Number: 19417055
$9.47 MSRP: $17.22
You Save: $7.75 (46%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Spark Plug
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2014 Chevrolet Silverado | CREW CAB 1 TON, CREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L Flex
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Chevrolet Silverado Spark Plug Asm (Plat Tipped Plug)
Part Number: 19299585
$7.76 MSRP: $14.10
You Save: $6.34 (45%)
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Product Specifications
- Other Name: SPARK PLUG, Spark Ignition; Spark Plug
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2007 Chevrolet Silverado | 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
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Chevrolet Silverado Spark Plug Assembly, Gas Eng Ign
Part Number: 12681665
$8.72 MSRP: $16.46
You Save: $7.74 (48%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Spark Plug
- Replaced by: 12681664
- Replaces: 25162555, 12607234, 25315018, 25162556, 19256067, 89017883
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2009 Chevrolet Silverado | 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 6 Cyl 4.3L
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Chevrolet Silverado Spark Plug Assembly, Gas Eng Ign
Part Number: 12681664
$9.05 MSRP: $16.46
You Save: $7.41 (46%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Spark Plug
- Replaces: 12568387, 25330840, 12565030, 25161444
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2013 Chevrolet Silverado | 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 6 Cyl 4.3L
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Chevrolet Silverado Glow Plug Asm
Part Number: 12639701
$24.75 MSRP: $45.00
You Save: $20.25 (45%)
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Product Specifications
- Other Name: GLOW PLUG, Spark Ignition; Glow Plug
- Replaces: 97364968
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2016 Chevrolet Silverado | 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.6L Diesel
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Chevrolet Silverado Glow Plug
Part Number: 97326305
$24.45 MSRP: $43.86
You Save: $19.41 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: GLOW PLUG, Spark Ignition
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 Chevrolet Silverado | 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 6.6L Diesel
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Chevrolet Silverado Spark Plug Assembly, Gasoline Engine Ignition
Part Number: 12679800
$7.44 MSRP: $13.52
You Save: $6.08 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: SPARK PLUG, Spark Ignition
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2007 Chevrolet Silverado | 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 8 Cyl 8.1L
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Chevrolet Silverado Glow Plug
Part Number: 97226202
$19.28 MSRP: $35.06
You Save: $15.78 (46%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: GLOW PLUG, Spark Ignition
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2004 Chevrolet Silverado | 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 6.6L Diesel
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Chevrolet Silverado GLOW PLUG ASM-DSL ENG COMBUSTION AIR HTR
Part Number: 12725202
$25.77 MSRP: $46.22
You Save: $20.45 (45%)
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Product Specifications
- Other Name: Control Module, Glow Plug
- Replaces: 12690238, 12679959
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2023 Chevrolet Silverado | 1 TON CREW CAB 6'6" BOX 1 TON, 2500 CREW CAB STANDARD BOX, 2500 REGULAR (CAB ONLY), 2500 REGULAR CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR (CAB ONLY), 3500 REGULAR CAB, CREW CAB 1 TON CHASSIS 137.0, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 1 TON 119.0, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 3/4 TON | 8 Cyl 6.6L Diesel
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Chevrolet Silverado SPARK PLUG ASM,GAS ENG IGN
Part Number: 19459511
$9.55 MSRP: $17.36
You Save: $7.81 (45%)
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Product Specifications
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2020 Chevrolet Silverado | 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CREW 5'8" BOX 1/2 TON, CREW 5'8" BOX 1/2 TON(VIN REQ'D), CREW CAB 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L
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Chevrolet Silverado Spark Plug Assembly, Gas Eng Ign
Part Number: 12688094
$10.28 MSRP: $18.44
You Save: $8.16 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Spark Plug
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2024 Chevrolet Silverado | CREW 5'8" BOX 1/2 TON, CREW 5'8" BOX 1/2 TON(VIN REQ'D), CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 4 Cyl 2.7L
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Chevrolet Silverado Spark Plug Assembly
Part Number: 12642722
$9.12 MSRP: $16.58
You Save: $7.46 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: SPARK PLUG,Glow; Spark Plug
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 Chevrolet Silverado | 8 Cyl 6.2L
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Chevrolet Silverado Glow Plug Assembly, Dsl Eng Combustion Air Htr
Part Number: 55506604
$23.77 MSRP: $43.23
You Save: $19.46 (46%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Module, Glow Plug
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Silverado | CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON | 6 Cyl 3.0L Diesel, 6 CYL 3.0L Diesel
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Chevrolet Silverado GLOW PLUG ASM
Part Number: 55490594
$17.66 MSRP: $31.69
You Save: $14.03 (45%)
ADD TO CART
Product Specifications
- Other Name: Glow Plug
- Replaced by: 24000504
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2021 Chevrolet Silverado | CREW 5'8" BOX 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON | 6 Cyl 3.0L Diesel
View related parts
Chevrolet Silverado Glow Plug Assembly, Dsl Eng Combustion Air Htr
Part Number: 24000504
$17.66 MSRP: $31.69
You Save: $14.03 (45%)
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2022 Chevrolet Silverado | CREW 5'8" BOX 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON | 6 Cyl 3.0L Diesel
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Chevrolet Silverado GLOW PLUG ASM-DSL ENG COMBUSTION AIR HTR
Part Number: 12693207
$26.38 MSRP: $47.32
You Save: $20.94 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Glow Plug
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2024 Chevrolet Silverado | 1 TON CREW CAB 6'6" BOX 1 TON, CREW CAB 1 TON CHASSIS 137.0, CREW CAB 6'6" BOX 1 TON 119.0, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 3/4 TON | 8 Cyl 6.6L Diesel

Chevrolet Silverado Spark Plug

The Chevrolet Silverado Spark Plug provides the necessary high voltage spark to ignite the air-fuel mixture, initiating each power stroke and permitting the truck to operate smoothly. In each cylinder, the Spark Plug gets 45,000 volts from the coil, jumps the electrode gap, and converts the compressed vapor into controlled fire that pushes the piston down. When at idle, the Spark Plug can flash four hundred times a minute, and when going on the highway, it can climb past a thousand, so the Spark Plug needs a precise gap, correct heat range, and tough materials. Earlier designs of the copper core offered excellent conductivity but wore quickly. On the other hand, the newer iridium or platinum tipped versions applied on many Chevrolet trucks last much longer as they resist erosion being harder metals. These styles of Spark Plugs also tolerate leaner mixtures and higher cylinder pressures of modern engines. In each Silverado, regardless of the model year, the gap and indexing must be proper for optimal flame kernel growth. A Spark Plug that is discolored or cracked is an indicator of overheating, bad mixture, or weak ignition. You'd be wise to get it checked more often. At the recommended interval, Chevrolet Silverado Spark Plug replacement restores crisp starts, smooth idle, good mileage, and keeps Chevrolet power ready on demand.

Each OEM Chevrolet Silverado Spark Plug we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet Silverado Spark Plug Parts Questions & Experts Answers

SPARK PLUG ASM,GAS ENG IGN
19417055
Q: How to replace the spark plugs on Chevrolet Silverado?
A:
To change the spark plugs in your vehicle, you will need some important tools like a ratchet, socket for spark plug, various extensions and gap gauge appropriate for gap adjustment. Though a specific plug wire removal tool is available, it is not required. Ensure you have a torque wrench to fit the new spark plugs tightly. The first step involves allowing the engine to cool off completely and then checking the new plugs for any defect as well as making sure that their gaps are adjusted using a gap gauge if necessary. The gap must match with the specification on Emissions Control Information Label. Remove one spark plug wire at a time by only holding and pulling on its rubber boot or by using the plug wire removal tool if needed. If there is compressed air available, blow out any debris around the spark plug hole to avoid contamination. A spark plug socket has to be used to remove the old spark plug turning it counterclockwise. Reviewing the old spark plugs helps determine an engine's state of affairs. Thinly coat threads of new plugs with anti-seize compound before installing them. Using your hands screw in a new one until it becomes impossible to turn any further then tighten using a torque wrench or ratchet. In situations where reaching plugs poses difficulty use short lengths of rubber tubing as threading tools. Lastly, connect each wire from the plug wires by twisting and then turn until it is locked into place and repeat this process moving on to another one at a time so that none of these wires get mixed up.