This inner door rubber stopper is designed for the following Isuzu medium-duty trucks:
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Isuzu NPR
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Isuzu NQR
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Isuzu NPR-HD
Model Years: 1995–2007
Engines Supported:
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4HK1 5.2L Diesel
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4BD2 3.9L Diesel
The inner door rubber stopper (door bumper) is a small but essential body component. It cushions the door when closed, maintains proper panel alignment, and prevents vibration or rattling during operation.
A worn or missing rubber stopper can lead to the following:
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Door rattling or vibration
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Improper door alignment
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Increased cabin noise
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Paint damage from metal-to-metal contact
This replacement rubber stopper restores proper cushioning and helps maintain factory door fitment and sealing.
Key Features
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Direct replacement inner door rubber stopper
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Fits 1995–2007 Isuzu NPR, NQR, NPR-HD
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Compatible with 4HK1 5.2L and 4BD2 3.9L engines
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Reduces vibration and door noise
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Prevents metal-to-metal contact
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Durable rubber construction for long service life
Vehicle Compatibility (1995–2007)
Fits:
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Isuzu NPR
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Isuzu NQR
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Isuzu NPR-HD
Engines:
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4HK1 5.2L Diesel
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4BD2 3.9L Diesel
Condition: New
Part Type: Inner Door Rubber Stopper / Door Bumper
Placement: Door Inner Frame
Common Signs You Need Replacement
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Door rattles while driving
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Visible cracked or hardened rubber
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Door not sitting flush
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Excessive cabin noise from door area
Frequently Asked Questions (FAQ)
What does a door rubber stopper do?
It cushions the door when closed, prevents vibration, and maintains proper door alignment.
Which trucks does this fit?
This part fits Isuzu NPR, NQR, and NPR-HD models from 1995 to 2007 equipped with 4HK1 5.2L or 4BD2 3.9L diesel engines.
Is installation difficult?
No. It typically installs by pressing or screwing into the factory mounting location on the door frame.
Can a worn stopper cause door noise?
Yes. A damaged or missing rubber stopper can cause rattling, vibration, and increased cabin noise.




