The Cummins fuel injector (Part #3411760) is a high-precision component designed for specific Cummins diesel engines. Below are its key technical parameters and performance indicators based on available data:
1. General Specifications
Part Number: 3411760
Type: Electronically Controlled Unit Injector (EUI) or High-Pressure Common Rail (HPCR) Injector (depending on engine model)
Compatible Engines: ISB 5.9L / 6.7L (e.g., Dodge Ram 2500/3500) ， ISC 8.3L (medium-duty trucks, buses) ，QSB/QSC series (industrial, marine, and generator applications)
Fuel System: High-pressure direct injection
2.Performance Indicators
Leak-Off Test Limit:Max allowable leakage: < 10 mL per minute (at idle) ， Pop Pressure (Opening Pressure): 280 – 350 bar (varies by engine model)
Injector Response Time: 1 – 2 milliseconds (for electronic actuation) .
3.Common Failure Modes & Diagnostics
Electrical Issues:
Check resistance (should be within 0.5–2.5Ω).
Open/short circuit triggers P020X codes (injector circuit malfunction).
Mechanical Failures:
Clogged nozzle → misfires, excessive smoke.
Leaking seal → fuel dilution in oil.
Bench Testing:
Use a Cummins INSITE or Bosch EPS tester for spray pattern & flow verification.
OEM Cross References :
1809, 1844, 1852, 1896, 1987, 2026, 209987X, 2306, 2388, 2492, 3083848, 3083848R, 3087558, 3087558R, 3087734, 3087734R, 3411760, 3411760PX, 3411760R, 3411760RX, 631760, EX631760, FS3411760RX, R-3411760, R3411760
The Diesel Fuel Injector 3411760 for CUMMINS is engineered for high-performance diesel engines, delivering precise and reliable fuel injection. Designed for optimal fuel atomization, the 3411760 injector ensures efficient combustion, improved engine performance, and reduced emissions. With advanced engineering, it offers:
Precision Fuel Delivery: Provides accurate fuel injection timing and volume, optimizing fuel efficiency and engine response.
Enhanced Durability: Built to withstand extreme temperatures and pressures, ensuring long-lasting performance in demanding driving conditions.
Reduced Emissions: Helps minimize particulate emissions and NOx, contributing to cleaner exhaust outputs.
High-Pressure Capability: Designed for use with common rail systems operating at high pressures, delivering consistent power and fuel economy.
Easy Integration: Compatible with a wide range of modern diesel engines, making it ideal for replacement or upgrade in both OEM and aftermarket applications.
