This glow plug is a genuine OEM replacement designed for the following Isuzu medium- and heavy-duty trucks:

• Isuzu NPR-HD

• Isuzu NPR

• Isuzu FXR

• Isuzu FVR

Applicable for model years 2004–2009 equipped with the following:

• 4HK1 5.2L Diesel Engine

• 6HK1 7.8L Diesel Engine

Glow plugs are essential components in diesel engines. They preheat the combustion chamber to ensure proper ignition during cold starts. A faulty glow plug can cause hard starting, rough idle, excessive white smoke, and reduced fuel efficiency.

This OEM glow plug is manufactured to precise factory specifications, ensuring the following:

• Correct heating temperature

• Fast preheat time

• Proper thread and connector fitment

• Long service life

Replacing worn or failed glow plugs restores cold start reliability and optimal combustion efficiency.

Key Features

• Genuine OEM glow plug

• Fits 4HK1 5.2L and 6HK1 7.8L diesel engines

• Compatible with 2004–2009 models

• Ensures reliable cold starts

• Improves fuel combustion and reduces smoke

• Direct replacement with factory fit

Vehicle Compatibility (2004–2009)

Fits:

• Isuzu NPR-HD

• Isuzu NPR

• Isuzu FXR

• Isuzu FVR

Engines:

• 4HK1 5.2L Diesel

• 6HK1 7.8L Diesel

Condition: New OEM
Part Type: Engine Glow Plug

Common Signs of a Faulty Glow Plug

• Hard starting in cold weather

• Excessive white exhaust smoke

• Rough idle after startup

• Glow plug warning light illuminated

• Decreased fuel efficiency