Diesel Fuel Injector - DENSO - DCRI106990
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eBay£259.11Visit shop INJECTOR NOZZLE DCRI106990 FOR ISUZU D-MAX RODEO/Pickup 4JK1-TC 2.5L 4cyl
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eBayINJECTOR NOZZLE DCRI106990 FOR ISUZU D-MAX RODEO/Pickup 4JK1-TC 2.5L 4cyl
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Product Information
Full details
The DENSO DCRI106990 Diesel Fuel Injector is designed for professional mechanics and automotive enthusiasts working on compatible Isuzu diesel engines. This component offers the key benefit of restoring precise fuel atomization and consistent combustion, which directly translates to improved engine reliability and fuel efficiency. A primary caveat is that this is a precision-engineered part that requires professional installation and fuel system priming to prevent air locks or internal damage during the initial startup.
All features
| Model Part Number | DCRI106990 |
|---|---|
| Brand | DENSO |
Extended Product Information
FAQs
Do I need to replace all injectors at once?
While not strictly required, it is highly recommended to replace injectors as a set to ensure balanced combustion and uniform engine wear.
Is this a new or remanufactured part?
The DENSO DCRI106990 is engineered to meet new OEM specifications for performance and reliability.
Do I need to code these injectors to the ECU?
Depending on the specific Isuzu model year, the engine ECU may require the input of a new compensation code found on the injector to optimize performance.
What is the best way to prevent premature failure?
The primary cause of failure is fuel contamination. Use high-quality fuel and strictly adhere to the recommended fuel filter replacement intervals.
Can I install this myself?
If you have experience with fuel systems and access to proper torque wrenches and diagnostic software, it is possible; however, professional installation is advised to guarantee performance.
Troubleshooting
Engine misfire after installation
Verify that all electrical connectors are fully seated and that air has been thoroughly purged from the fuel lines.
Visible fuel leak at the injector base
Check the copper crush washer for proper seating and ensure the mounting bolt is torqued to the manufacturer's specified value.
Pros and Cons
Pros
- Matches exact OEM performance standards
- Direct fit for Isuzu applications
- Improves combustion efficiency and throttle response
- High-grade materials ensure long-term durability
Cons
- Requires professional diagnostic tools for ECU calibration
- Sensitive to fuel contamination if the system is not flushed
- Installation requires specific torque settings to avoid leaks
Setup, Compatibility & Care
Installation of the DCRI106990 must be performed in a clean, debris-free environment, as even minor particles can damage the internal needle valve. Always replace the copper sealing washers and O-rings during installation to prevent compression leaks. After installing, the engine management system may require a re-calibration or 'injector compensation code' entry depending on the specific engine software. Regularly replace your primary and secondary fuel filters every 10,000 to 15,000 miles to protect the internal precision components of these injectors from abrasive contaminants.