This quality used Caterpillar 456-3544 fuel injector is designed for compatible CAT C7, C9.3, and 336E applications.

A properly functioning fuel injector delivers precisely controlled amounts of fuel to support efficient combustion, dependable power, smooth engine operation, and fuel efficiency. This used OEM Caterpillar injector provides a cost-effective replacement for a worn or failed injector in compatible bus, truck, and commercial diesel applications.

For proper fitment, verify against the original injector and Caterpillar engine serial number before ordering.

Part Specifications

• Manufacturer: Caterpillar
• Part Type: Fuel Injector
• Primary Part Number: 456-3544
• Alternate Number Format: 4563544
• Engine Applications: CAT C7 / C9.3
• Equipment Application: CAT 336E
• Condition: Used
• Stock Number: 36I-4563544-STK
• Warranty: Standard

Common Applications

• Caterpillar C7 Diesel Engines
• Caterpillar C9.3 Diesel Engines
• Caterpillar 336E Equipment
• School Bus Applications equipped with compatible CAT engines
• Commercial Bus Applications
• Medium-Duty Trucks
• Commercial and Vocational Diesel Equipment

Exact fitment should be verified using the Caterpillar part number and engine/equipment serial information.

OEM # 4563544, 456-3544, 456 3544

Please Note: The part sent may not exactly match the one pictured. Appearance may vary. For specific part requests, please call 888-315-2575. Additional core charge may apply.

CALL or TEXT: 888-315-2575