The 2014 Silverado with the 4.3L EcoTec3 V6 uses two cylinder banks: Bank 1 (driver side) contains cylinders 1, 3, and 5, while Bank 2 (passenger side) contains cylinders 2, 4, and 6. The firing order for this engine is 1-4-2-5-3-6.
This article breaks down how the cylinders are numbered and arranged on the engine, so you can identify each cylinder for maintenance tasks such as spark plug replacement, ignition service, or timing-related work.
Cylinder layout by bank
These two lines show which cylinders sit on each bank of the V6, listed from the front of the engine toward the rear.
- Bank 1 (driver side, front to rear): 1, 3, 5
- Bank 2 (passenger side, front to rear): 2, 4, 6
Knowing the bank layout helps you locate the correct cylinder when servicing the engine or replacing components like spark plugs.
Firing order
The firing order for the 4.3L EcoTec3 V6 in the 2014 Silverado is listed below, showing the sequence in which the cylinders fire.
- 1
- 4
- 2
- 5
- 3
- 6
Following this firing sequence ensures proper timing and smooth engine operation across RPM ranges.
Summary
In summary, the 2014 Silverado’s V6 uses two banks: driver side 1-3-5 and passenger side 2-4-6, with a firing order of 1-4-2-5-3-6. Understanding this layout helps with maintenance, diagnostics, and accurate cylinder identification.