Ignition transformers like part # 7W-4377 use input voltage from the battery and outputs a higher voltage to the spark plug for spark (direct) ignition in the engine.

Attributes:
• Input Connection: 3-Position Amphenol
• Length: 157.3mm (6.19 in)

Application:
G3500 Series Engine
Consult your owner’s manual or contact your local Cat Dealer for more information.