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Cummins Turbocharger 3777108 3775954

Name: Cummins Turbocharger 3777108 3775954
Brand: Komotashi
SKU: 00506
Rating: 4.8 (0 reviews)

Product Name: Turbocharger
Matching Engine: DCEC ISLe / L Series Diesel Engine
Turbo Model: HE400WG
OEM Part No.: 3777108
Application Scenarios: Medium & heavy-duty trucks, large passenger coaches, construction machinery, stationary diesel generator overhaul replacement

HE400WG turbocharger with OEM part number 3777108 is a Holset original high-efficiency variable geometry exhaust turbocharger exclusively matched for Dongfeng Cummins ISLe (L series) diesel engines. It increases intake air density by compressing air entering the cylinder, optimizes fuel combustion efficiency, effectively raises engine power output, reduces fuel consumption and exhaust pollutant emissions, serving as official aftermarket replacement spare part for commercial vehicles and engineering equipment maintenance.

Overview

Product Details

Manufactured strictly in accordance with Cummins original drawings and dimensional specifications, the product features highly accurate assembly tolerance matching for DCEC ISLe engines. It can effectively solve common vehicle malfunctions including insufficient dynamic performance, black smoke exhaust, abnormal engine oil consumption and turbo lag caused by damaged or aging turbochargers.The rotor assembly undergoes professional high-speed dynamic balance calibration; all finished units are subjected to air tightness inspection, boost pressure calibration and comprehensive appearance quality testing before delivery, ensuring stable continuous operation under long-term variable load and high exhaust temperature working conditions.Interchangeable OEM No.: 3777108

Product Advantages

High-strength Material & Reliable Structure

Turbine wheel and compressor impeller adopt high-temperature resistant nickel-based alloy materials, excellent thermal fatigue resistance, capable of adapting to the harsh high-temperature exhaust environment of heavy-duty diesel engines
Reinforced floating bearing system ensures smooth rotor rotation, greatly reduces oil leakage probability, and can withstand frequent start-stop operation and long-time heavy load impact
Built-in integrated electronic wastegate regulating structure, precisely controls boost pressure in real time, avoids engine overboost damage, and improves low-speed torque response

OEM Standard Precision Manufacturing

Overall outline, installation hole positions and boost pressure calibration parameters fully consistent with original factory parts, supports direct bolt-on installation without secondary modification
Dynamically balanced rotor assembly lowers running vibration and noise, extends overall service life
Strict multi-channel air tightness detection eliminates oil leakage, compressor surge and abnormal exhaust noise issues

Compatibility & Supply Status

Fully applicable to Dongfeng Cummins ISLe / L series diesel engines, turbo model HE400WG, OEM code 3777108; widely used in heavy trucks, large passenger buses, road construction machinery and industrial generator sets
Mature aftermarket heavy-duty diesel engine spare part product line, stable inventory and fast delivery cycle
Brand-new finished products in stock, favorable unit price available for bulk procurement