← Back to Chevrolet Silverado 1500 Guides

2019–2024 Chevrolet Silverado 1500

2019-2024 Chevrolet Silverado 1500 — Spark Plug Replacement

🔧🔧🔧 Advanced 1-3 hours $115 DIY

Save $335 by doing it yourself! Shop cost: $450

Quick Video Tutorial

Parts You Need

Click links to purchase (we earn from qualifying purchases)

Total Cost
$150.00
Part Name Part Number Price Buy
Correct spark plug set for 2014-2024 Chevrolet Silverado 1500; verify engine, heat range, gap, and VIN fitment — $115.00
Coil-boot seals or ignition coils only if inspection finds damage — $35.00

💡 Pro tip: Order all parts at once to save on shipping

Step-by-Step Instructions

Follow these steps carefully

1

Confirm engine and plug fitment

Verify the exact engine, plug part number, heat range, reach, and gap for the 2014-2024 Chevrolet Silverado 1500. Scan for misfire codes and inspect coils and plug wells before ordering parts.

2

Cool and expose the plugs

Let the 2014-2024 Chevrolet Silverado 1500 cool completely, disconnect the negative battery cable only if the service procedure calls for it, and remove the engine cover, coils, or intake parts needed for access.

3

Remove coils and clean wells

Label connectors as needed, release each coil without pulling its wiring, and blow or brush debris away from the plug wells on the 2014-2024 Chevrolet Silverado 1500 before loosening a plug.

4

Remove and install plugs

Remove each old plug with a spark-plug socket, compare reach and deposits, start each new plug by hand, and use the exact engine-specific torque. Never use an impact for final seating.

5

Reconnect and verify

Apply only the specified dielectric grease to the boot, reinstall coils and connectors, start the 2014-2024 Chevrolet Silverado 1500, and scan for returning misfire codes. Stop if a thread, coil, connector, or misfire problem remains.

All Done!

Test your repair before closing everything up. If something doesn't work right, double-check your steps.

⚠️ Common Mistakes to Avoid

  • • Using the wrong plug or assuming a pre-gapped plug needs no verification
  • • Blowing debris into an open cylinder or plug well
  • • Cross-threading a plug or tightening it without a torque wrench
  • • Overusing anti-seize or dielectric grease on the plug threads
  • • Mixing coil connectors or ignoring a misfire after reassembly