Idle Gear for Isuzu NQR, NRR, NPR, NPR-HD, 4HE1, 4.8L, 4HK1, 5.2L, & 4HF1, 4.3L, 1998–2010 OEM Replacement
New OEM idle gear for Isuzu NQR, NRR, NPR, and NPR-HD (1998–2010) with 4HE1 4.8L, 4HK1 5.2L, or 4HF1 4.3L diesel engines. Ensures smooth transmission operation and proper gear alignment.
$412.08
Restore proper transmission performance with this OEM idle gear for Isuzu NQR, NRR, NPR, and NPR-HD trucks from 1998–2010. Compatible with 4HE1 4.8L, 4HK1 5.2L, and 4HF1 4.3L diesel engines, this idle gear ensures smooth rotation of the transmission input shaft and maintains accurate gear alignment for optimal shifting.
Manufactured to OEM specifications, this gear provides long-lasting durability under commercial driving conditions. Replacing a worn or damaged idle gear prevents transmission noise, irregular shifting, and potential gear damage, keeping your truck running reliably.
Key Features:
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OEM-spec idle gear for Isuzu trucks
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Compatible with 4HE1 4.8L, 4HK1 5.2L, 4HF1 4.3L diesel engines
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Ensures smooth transmission operation and accurate gear alignment
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Durable, heavy-duty material for long-lasting performance
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Prevents transmission noise and gear wear
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Direct replacement – fits original transmission setup
Vehicle Compatibility:
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1998–2010 Isuzu NQR
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1998–2010 Isuzu NRR
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1998–2010 Isuzu NPR / NPR-HD
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Engines: 4HE1 4.8L / 4HK1 5.2L / 4HF1 4.3L Diesel
Is this idle gear compatible with all Isuzu NQR, NRR, NPR, and NPR-HD models from 1998–2010?
Yes, this OEM idle gear fits NQR, NRR, NPR, and NPR-HD trucks from 1998 to 2010 with 4HE1 4.8L, 4HK1 5.2L, or 4HF1 4.3L diesel engines. Always confirm fitment with the VIN or OEM part number.
What is the function of the idle gear?
The idle gear ensures smooth rotation of the transmission input shaft and maintains proper gear alignment for accurate shifting, preventing noise and gear wear.
Is this a genuine OEM part?
Yes, this is a new OEM-spec idle gear manufactured to meet original Isuzu specifications for durability and precise fitment.
Can replacing this gear prevent transmission issues?
Yes. A properly functioning idle gear maintains smooth transmission operation, prevents noise, and reduces wear on other gears, extending the life of the transmission.
