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Caterpillar original Diesel Engine Fuel Injector Assembly 20R-4148 for Construction Machinery, Cross Reference 10R-1267, fits 3412 Diesel Engine Aftermarket Engine Accessories original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 20R-4148 |
| MOQ: | 1 |
| Price: | $299-$448 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Caterpillar Diesel Engine Fuel Injector
,3412 Diesel Engine Injector Assembly
,Construction Machinery Fuel Injector
Caterpillar original Diesel Engine Fuel Injector Assembly 20R-4148 for Construction Machinery, Cross Reference 10R-1267, fits 3412 Diesel Engine Aftermarket Engine Accessories original new injector
Fuel Type | Diesel |
Condition | Original New |
Applicable Engine | Caterpillar 3412 series (3412B, 3412C, 3412E) industrial, marine and genset versions, compatible with mechanical and electronic governor platforms |
Injector Type | High-pressure Timed Diesel Fuel Injector |
Quality Standard | N/A |
Packaging | N/A |
Fuel System | Caterpillar High-pressure Fuel System |
OE Number | 20R-4148 |
Brand | CAT (Caterpillar) |
Cross Number / Universal Number | 8N-4148 (primary OEM reference), 10R-4148 (remanufactured unit reference), 7N-4148, 182-6367 (1826367) |
Vehicle / Equipment Application | Construction prime movers, mining equipment, marine propulsion units, power generation sets |
Application Type | Heavy-duty Industrial, Construction, Mining, Marine, Power Generation |
The CAT 20R-4148 fuel injector is a specification-matched replacement component built for Caterpillar 3412 series diesel engines, designed to streamline B2B parts sourcing and inventory lookup for heavy equipment fleets. It carries verified cross-reference IDs including primary OEM reference 8N-4148, remanufactured unit reference 10R-4148, 7N-4148 and 182-6367, and fits all 3412B, 3412C and 3412E variants across industrial, marine and genset configurations, supporting both mechanical and electronic governor platforms.
Operating as a high-pressure timed injection valve, the 20R-4148 delivers precisely metered diesel fuel into the combustion chamber under extreme pressure to enable consistent, complete combustion. Its design features solenoid or mechanical valve activation synchronized to combustion cycle timing, high atomization efficiency, a typical pressure tolerance of ≥1800 bar, and stable thermal performance across idle and full-load conditions, supporting long service intervals under heavy operating stress.
To ensure leak-free, reliable operation, installation requires OEM-grade gaskets and seals, torque application per official CAT 3412 specifications, clean cylinder head ports, and confirmed injector cup seating. Routine maintenance includes 250-hour fuel leak inspections, regular spray pattern diagnostic checks, high-pressure line replacement at 1000+ hour intervals, and use of properly filtered clean diesel fuel to support consistent performance and long service life.
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Contact Detail:
ADD:Huangpu Machinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,
Guangdong Province Tel:+86 020 88557755
Cellphone:+86 19959162250 WhatsApp:+86 19959162250
Email:2209396088@qq.com
