The one closest to the radiator.
Number one is the cylinder closest to the radiator.
Cylinder number one is the front driver side.
Number one is closest to the radiator.
Number one is closest to the radiator.
Number one is closest to the radiator.
Number one is nearest to the radiator.
The one towards the front of the engine.
Front driver side.
Number one is the front driver side.
Number one spark plug is closest to the radiator.
Number one is front driver side.
The cylinders are numbered one through six from the front to the back such that number one it nearest the radiator and number six nearest the firewall.