Caterpillar original 1W6541 Fuel Injection Pump Plunger Replacement for OEM, 4P9830 for Caterpillar 3204 3304 3306 Engine Excavator E180 Common Rail Diesel Injector Pump Plunger original new injector
Product Details
Caterpillar fuel injection pump plunger
,OEM diesel injector pump plunger
,Common rail diesel injector replacement
Caterpillar original 1W6541 Fuel Injection Pump Plunger Replacement for OEM, 4P9830 for Caterpillar 3204 3304 3306 Engine Excavator E180 Common Rail Diesel Injector Pump Plunger original new injector
Fuel Type | Diesel |
Condition | Brand New |
Applicable Engine | Caterpillar 3204, Caterpillar 3304, Caterpillar 3304B, Caterpillar 3306, Caterpillar 3306B, Caterpillar 3406B, Caterpillar 3406C, CAT Industrial Engines, CAT Marine Engines, CAT Generator Engines |
Injector Type | N/A |
Quality Standard | OEM Equivalent |
Packaging | N/A |
Fuel System | Caterpillar Mechanical Fuel Injection System |
OE Number | 1W6541 |
Brand | CAT |
Cross Number / Universal Number | 1W-6541, 20R5291, 20R-5291, 1P6400, 4P9830, 6N7525, 6N7527, 6N7828, 7W5929, 7W6929, 9H5797, 1086633 |
Vehicle / Equipment Application | E180, E240, E300, E300B, EL180, EL240, EL300, EL300B, D3, D4, D5, D6D, D6G, D7G, 910, 916, 926, 930, 936, 950B, 950E, 966C, 966D, 966E, 966F, 120G, 130G, 140G, 160G, 815B, 816B, 615, 621E, 627B, 627E, 508, 515, 518, 525 |
Application Type | Construction Equipment, Mining Machinery, Power Generation Systems, Marine Propulsion Engines, Industrial Power Units, Heavy-Duty Diesel Applications |
Tailored for Caterpillar mechanical diesel fuel injection systems, the 1W6541 Fuel Injection Pump Plunger Assembly acts as the core pressure-generating component within the fuel injection pump. It delivers precise fuel metering, stable injection timing, optimized combustion efficiency, and consistent maximum engine performance, supporting reliable operation of heavy-duty diesel engines. It is a brand-new OEM-equivalent replacement designed for diesel fuel injection pump applications.
Constructed from heat-treated premium alloy steel and processed with advanced CNC grinding technology, the plunger assembly meets all OEM dimensional standards. It features high-pressure fuel injection capability, precision-ground sealing surfaces, excellent wear resistance, and long service life. Its high-precision construction ensures consistent fit and reliable function, even under demanding heavy-duty operating conditions.
The assembly is compatible with CAT 3204, 3304, 3304B, 3306, 3306B, 3406B, and 3406C diesel engines, as well as CAT industrial, marine, and generator engine lines. It fits a broad range of excavator, dozer, loader, grader, and other heavy equipment models, serving construction, mining, power generation, marine propulsion, and industrial power use cases. It helps reduce downtime and lower overall operating costs for equipment operators.
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