The CAT Fuel Injector 387-9438 is a high-precision injector built for the C9 engine family, specifically suited for Caterpillar 330D and 336D models. Using a common-rail or electronic injection system, it delivers accurate fuel atomization and timing — which means more efficient combustion, better throttle response, and lower emissions. Designed for heavy-duty conditions, this injector withstands high pressure, heat, and vibration. Whether you’re restoring a worn-out engine or replacing faulty injectors, the 387-9438 helps bring back reliable power, reduces smoke, and ensures long-term durability.
Key Features:
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OEM / Cat part number 387-9438, also cross-referenced as 10R-4764, 328-2577.
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Compatible with Caterpillar C9 engines, particularly for 330D and 336D excavators.
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Electronically controlled injection for precise fuel delivery and timing.
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Built to withstand thermal stress, vibration, and long operating cycles.
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Helps restore engine power, reduce black smoke, and improve fuel efficiency.
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12-month warranty offered by several suppliers in the aftermarket.
Why Use This Injector:
If your Cat 330D or 336D is showing signs of reduced performance — like black smoke, poor throttle response, or high fuel consumption — upgrading to the 387-9438 injector can significantly improve things. Its accurate fuel delivery restores torque, enhances combustion efficiency, and leads to smoother, more reliable engine operation.
Contact & Ordering Details:
To check stock or place an order, contact Pal Diesel Service:
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Phone: +91 78885 29020
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Website: paldieselservice.in
C9 Fuel Injector 387-9438, 3879438 For Caterpillar 330D E330D 336D E336D
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