4Pcs Fuel Injector 8971489601 8971489611 for Isuzu 4HE1 4.8L 4HG1T 4.6L NPR NQR
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Product Overview
Fuel injectors meter and deliver fuel into the engine at the correct time. Worn, leaking, restricted, or uneven injectors can contribute to hard starting, smoke, rough running, reduced power, or poor fuel economy.
Verify 8971489601 or 8971489611 on the original component, along with the part number, engine model, injector body, nozzle, connector or line fitting, and included components.
Key Features & Performance
- Restores consistent fuel delivery
- Helps correct injector-related rough running or smoke
- Designed for compatible diesel fuel systems
- Includes four pieces for the listed repair
Fitment & Compatibility
Compatible with select Isuzu 4HE1 4.8L 4HG1T 4.6L NPR NQR applications. Serial-number breaks, production changes, or equipment options may affect the required part.
Technical Specifications
- Product Type: Fuel Injector Set
- Compatible Brand: Isuzu
- Part Number(s): 8971489601, 8971489611
- Quantity: 4
Frequently Asked Questions
Q: Should all injectors be replaced at the same time? A: That depends on testing and engine condition. Many technicians replace or service injectors as a matched set when wear is similar across cylinders.
Q: Is this an original OEM part? A: This is a high-quality aftermarket replacement and is not supplied by the original equipment manufacturer.
Model listings are a guide only. Compare the original component and all available fitment details before purchase.