
Fuel Injector 4077076 for Cummins QSK23 Engine
September 13, 2025
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September 13, 20250432191426 Cummins ISC Fuel Injector for 6C8.3 Engine
Key Information
Part Number: 3943731, 3943731RX, 3948131, 3948529, 3948529RX, 3948530,
Engine Make: CUMMINS
Inspection Report: Yes
Warranty: 12 Months
Supply Ability: In stock
Payment Way: Paypal, Western Union, Visa, Mastercard, T/T
Details: One model in a neutral box or specific box required by clients.
Application Scenarios for 0432191426 Fuel Injector
This injector is crucial for proper fuel delivery, combustion efficiency, and emissions control in the Cummins ISC engine. Common applications include:
Commercial Trucks & Buses
Medium-duty trucks (delivery, box trucks, dump trucks)
School buses & transit buses
Construction & Heavy Equipment
Excavators, loaders, backhoes
Crane trucks, aerial lifts
Agricultural Machinery
Tractors, harvesters
Irrigation pumps
Emergency & Utility Vehicles
Fire trucks, ambulances
Bucket trucks (for power line maintenance)
Marine & Industrial Power Units
Auxiliary power generators
Small marine engines (workboats, tugs)
Equipment Type | Brands & Models |
---|---|
Trucks | Freightliner (Business Class M2, FL-series), International (Durastar, 4000-series), Peterbilt, Kenworth (T300, T800) |
Buses | Blue Bird (All American, Vision), Thomas Built (Saf-T-Liner), IC Bus (CE-series) |
Construction Equipment | Caterpillar (small loaders), Case, Bobcat, JCB (backhoes) |
Emergency Vehicles | Pierce, E-ONE, Rosenbauer (fire apparatus) |
Agricultural | New Holland, Case IH (tractors), John Deere (some older models) |
Marine/Industrial | Onan generators, marine propulsion systems |
OEM Cross Reference:
0-432-191-426, 0-432-191-426N, 0-432-191-512, 0432191426, 0432191426N, 0432191512, 3943731, 3943731RX, 3948131, 3948529, 3948529RX, 3948530, 432191426, JC948529, JR943731
Parameter | Specification |
---|---|
Part Number | 0432191426 (OEM) |
Engine Compatibility | Cummins ISC 8.3L (2001–2007) |
Injector Type | Electronic Unit Injector (EUI) |
Operating Pressure | Up to 23,000 psi (peak) |
Voltage | 12V or 24V (depending on application) |
Flow Rate | ~200–250 cc/min (varies with calibration) |
Nozzle Type | Multi-hole (typically 6–8 holes) |
Thread Size | M12 x 1.5 (common mounting) |
Seal Type | Copper washer (injector-to-cylinder head) |
Resistance (Ohms) | ~0.5–1.5 Ω (solenoid coil) |
Torque Specification | 35–45 Nm (injector hold-down bolt) |
Weight | ~1.5–2 kg (3.3–4.4 lbs) |
Replacement Type | Sold individually (per cylinder) |
Common Failure Signs | Misfires, hard starts, black/white smoke, high fuel consumption |