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The 511-7975 fuel injection pump is a high-quality diesel fuel system component developed for Caterpillar C9.3 engines. Built with precision-engineered internal components, durable pump elements, wear-resistant parts, and reliable sealing technology, it provides accurate fuel delivery, consistent injection pressure, and efficient combustion performance during continuous heavy-duty operation.
This fuel injection pump replaces Part No. 511-7975, 379-0150, 375-5246, and 493-9679. Designed for CAT C9.3 engine applications, it is widely used in excavators, construction machinery, mining equipment, industrial engines, and other diesel-powered equipment. The optimized fuel supply system helps restore engine power output, improve throttle response, enhance combustion efficiency, and maintain smooth operation under demanding working conditions.
With excellent manufacturing precision and reliable durability, this injection pump is an effective replacement for original units affected by internal wear, unstable fuel pressure, leakage, or reduced engine performance. It ensures proper fuel atomization and supports efficient engine operation while helping reduce downtime and maintenance costs.
Before shipment, each fuel injection pump undergoes strict quality inspections, including fuel delivery calibration, pressure testing, leakage checking, dimensional verification, and performance evaluation. Whether you are an equipment repair workshop, machinery dealer, fleet maintenance provider, or spare parts distributor, the C9.3 fuel injection pump provides a reliable solution for restoring engine efficiency and extending equipment service life.
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item
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value
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Condition
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New
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Applicable Industries
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Building Material Shops, Machinery Repair Shops, Manufacturing Plant, Retail, Construction works , Energy & Mining, Other
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Showroom Location
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Video outgoing-inspection
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Provided
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Machinery Test Report
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Provided
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Marketing Type
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Ordinary Product
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Place of Origin
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China
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Guangdong
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Brand Name
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lanxin
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Warranty
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6 months
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Product name
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Fuel Injection Pump CAT C9.3
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Q1: Which engine is this fuel injection pump compatible with?
A: It is compatible with Caterpillar C9.3 diesel engine applications. Please confirm your engine model and pump part number before ordering.
Q2: Which part numbers does this fuel pump replace?
A: It replaces 511-7975, 379-0150, 375-5246, and 493-9679.
Q3: What equipment is this fuel injection pump suitable for?
A: It is suitable for CAT excavators, construction machinery, mining equipment, industrial diesel engines, and other heavy-duty equipment using C9.3 engines.
Q4: How is the quality of the fuel injection pump guaranteed?
A: Each pump is tested through fuel calibration, pressure inspection, leakage testing, and comprehensive quality control procedures before shipment.
Q5: What other engine spare parts can you supply?
A: We supply fuel injection pumps, fuel injectors, turbochargers, complete diesel engine assemblies, cylinder heads, cylinder blocks, crankshafts, camshafts, overhaul kits, starter motors, alternators, ECUs, hydraulic pumps, and a complete range of excavator engine spare parts.
