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original 178-6342 Excavator Accessories 177-4752 177-4753 171-9704 Fuel Injector for 3126B 3126E new injector original new injector
| Model Number: | 178-6342 |
| MOQ: | 1 Piece |
| Price: | $299-$448 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union, Paypal, RMB |
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original 178-6342 Excavator Accessories 177-4752 177-4753 171-9704 Fuel Injector for 3126B 3126E new injector original new injector
Fuel Type | Diesel |
Condition | New / Aftermarket / Remanufactured / Rebuilt / Genuine Refurbished |
Applicable Engine | 3126, 3126B, 3126E series diesel engines |
Injector Type | HEUI (Hydraulic Electronic Unit Injector) |
Quality Standard | Industrial-grade, OEM-type specification |
Packaging | Single injector or 6-piece matched engine set |
Fuel System | HEUI electronically controlled fuel system with hydraulic actuation by high-pressure engine oil |
OE Number | 178-6342 |
Brand | |
Cross Number / Universal Number | 1786342, 10R-1257, 10R1257, 177-4762, 229-5928, CA1786342, -3126-178-6342-1786342-10r-1257-fuel-injector |
Vehicle / Equipment Application | 120H motor grader, 135H motor grader, 561N pipelayer, 938G II wheel loader, 953C track loader, 963C track loader, D5N track-type tractor, D6N track-type tractor, IT38G II integrated toolcarrier; verification required for 950G, 322C, 325C |
Application Type | Engine-specific replacement injector for heavy equipment engine repair |
Engineered specifically for the 3126 family, the 178-6342 HEUI fuel injector is designed to fit 3126, 3126B, and 3126E diesel engine arrangements. Fitment depends on engine serial number and configuration, making it critical to confirm the specific arrangement before purchase. This injector is commonly specified for 120H and 135H motor graders, 938G II and IT38G II wheel loaders, 953C and 963C track loaders, D5N and D6N track-type tractors, and the 561N pipelayer, with additional possible fitments on 950G, 322C, and 325C models subject to verification.
The HEUI system relies on electronically controlled metering combined with high-pressure engine oil to generate the hydraulic force needed for precise diesel injection. This injector delivers stable fuel atomization, correct solenoid response, and dependable sealing under heavy-duty operating loads. It is suitable for operators maintaining wheel loaders, motor graders, track loaders, tractors, and pipelayers in construction, earthmoving, and pipeline applications where original equipment performance is required.
Proper maintenance of the surrounding fuel and lubrication systems is essential because the HEUI injector is hydraulically actuated by engine oil. Recommended practices include using correct engine oil, replacing oil and fuel filters at scheduled intervals, draining the water separator, and inspecting the injector harness and actuation pressure when symptoms such as hard starting, rough idle, smoke, or power loss appear. Cylinder cutout testing and ECM code reading should be performed during diagnosis. Remanufactured options may involve a core charge or core return requirement, and individual injectors or full 6-piece matched sets are available to match engine service needs.
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
