Injector Nozzle Holder Sleeve For Isuzu NPR, NPR-HD, NQR, NRR, FXR, 4HK1, 5.2L, 6HK1, 7.8L OEM Replacement
High-quality Injector Nozzle Holder Sleeve for Isuzu trucks compatible with NPR, NPR-HD, NQR, NRR, and FXR models equipped with 4HK1 5.2L and 6HK1 7.8L diesel engines. This OEM replacement sleeve ensures proper injector positioning, sealing, and reliable fuel injection performance.
$154.10
The Injector Nozzle Holder Sleeve for Isuzu trucks is an essential component of the fuel injection system. It provides secure positioning and proper sealing for the fuel injector within the engine cylinder head.
A properly functioning Isuzu injector sleeve helps maintain accurate injector alignment and prevents fuel leakage or combustion gas escape. Over time, sleeves may wear due to high heat, pressure, and continuous engine operation.
This OEM-quality nozzle holder sleeve is engineered from durable materials designed to withstand extreme engine temperatures and diesel combustion conditions. It ensures reliable injector mounting and supports efficient fuel delivery for optimal engine performance.
Designed for Isuzu trucks equipped with 4HK1 5.2L and 6HK1 7.8L diesel engines, this sleeve is compatible with several commercial truck models, including NPR, NPR-HD, NQR, NRR, and FXR.
Replacing worn or damaged injector sleeves during injector service or engine rebuild helps maintain proper fuel injection performance and overall engine reliability.
Key Features & Benefits
• OEM-quality injector nozzle holder sleeve for Isuzu trucks
• Ensures proper injector alignment and sealing
• Helps maintain efficient fuel injection performance
• Designed to withstand high temperatures and combustion pressure
• Durable construction for long service life
• Direct replacement for Isuzu NPR, NPR-HD, NQR, NRR, and FXR models
• Ideal for fuel injector repair, engine rebuild, and maintenance
Engine Compatibility
• Isuzu 4HK1 5.2L Diesel Engine
• Isuzu 6HK1 7.8L Diesel Engine
Vehicle Applications
Compatible with the following Isuzu trucks:
• Isuzu NPR
• Isuzu NPR-HD
• Isuzu NQR
• Isuzu NRR
• Isuzu FXR
Frequently Asked Questions
1. What is an injector nozzle holder sleeve?
The injector sleeve holds the fuel injector securely inside the cylinder head and helps create a proper seal between the injector and engine.
2. Which Isuzu engines are compatible with this sleeve?
This injector sleeve is designed for Isuzu 4HK1 5.2L and 6HK1 7.8L diesel engines.
3. Which trucks use this part?
It is compatible with Isuzu NPR, NPR-HD, NQR, NRR, and FXR commercial trucks.
4. What happens if an injector sleeve is damaged?
A worn sleeve may cause fuel leakage, poor injector sealing, reduced engine performance, or combustion gas leakage.
5. Is this an OEM replacement part?
Yes, this injector nozzle holder sleeve is manufactured to OEM specifications for proper fit and reliable performance.
6. When should injector sleeves be replaced?
They are typically replaced during injector service, cylinder head repair, or engine rebuild to ensure proper injector sealing and alignment.
