The CAT Common-Rail Fuel Injector 456-3509 is a precision-engineered injector compatible with Caterpillar C9.3 engines, especially used in heavy excavators like the 336F and 340F. This injector delivers high-pressure, electronically controlled fuel injection to ensure optimal atomization and combustion, even under the tough conditions of construction and industrial machinery. Its robust design helps resist wear, vibration, and thermal stress, restoring smooth throttle response, minimizing smoke, and improving overall fuel efficiency. Installing the 456-3509 ensures consistent performance, longer engine life, and reduced emissions.
ey Features:
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OEM / common-rail part number 456-3509 (also referenced as 20R-5075).
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Compatible with Caterpillar 336F and 340F excavators (C9.3 engine).
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Electronically controlled for precise fuel metering and timing.
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High durability build — withstands high temperature, vibration, and long operational cycles.
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Helps improve fuel economy, reduce soot, and deliver smooth engine operation.
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Tested for performance and reliability; often used as a direct replacement in OEM and aftermarket applications.
Why Choose This Injector:
Using the 456-3509 injector helps restore lost power and responsiveness in C9.3-powered Cat machines. It improves combustion efficiency, reduces black smoke under load, and ensures consistent injection timing — which can extend engine life and lower running costs.
Contact & Ordering Details:
To check availability or place an order:
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Phone: +91 78885 29020
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Website: paldieselservice.in
Common Rail Fuel Injector
456-3509, 20R-5075
CAT 336F 340F
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